diff --git a/modules/README.md b/modules/README.md
index 1844f2905..dbdbfe19a 100644
--- a/modules/README.md
+++ b/modules/README.md
@@ -47,7 +47,7 @@ $ cmake -D OPENCV_EXTRA_MODULES_PATH=<opencv_contrib>/modules -D BUILD_opencv_re
 19. **opencv_xfeatures2d**: Extra 2D Features Framework containing experimental and non-free 2D feature algorithms.
 
 20. **opencv_ximgproc**: Extended Image Processing: Structured Forests / Domain Transform Filter / Guided Filter / Adaptive Manifold Filter / Joint Bilateral Filter / Superpixels.
- 
+
 21. **opencv_xobjdetect**: Integral Channel Features Detector Framework.
 
 22. **opencv_xphoto**: Additional photo processing algorithms: Color balance / Denoising / Inpainting.
diff --git a/modules/cnn_3dobj/samples/datagen_all.sh b/modules/cnn_3dobj/samples/datagen_all.sh
index 4ce98af64..7de873a60 100755
--- a/modules/cnn_3dobj/samples/datagen_all.sh
+++ b/modules/cnn_3dobj/samples/datagen_all.sh
@@ -1,85 +1,91 @@
-./sphereview_test -plymodel=/Users/yidawang/Downloads/PASCAL3D+_release1.1/CAD/aeroplane/01.ply -label_class=1 -label_item=1 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/aeroplane_pascal/ -semisphere=0
-./sphereview_test -plymodel=/Users/yidawang/Downloads/PASCAL3D+_release1.1/CAD/aeroplane/02.ply -label_class=1 -label_item=2 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/aeroplane_pascal/ -semisphere=0
-./sphereview_test -plymodel=/Users/yidawang/Downloads/PASCAL3D+_release1.1/CAD/aeroplane/03.ply -label_class=1 -label_item=3 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/aeroplane_pascal/ -semisphere=0
-./sphereview_test -plymodel=/Users/yidawang/Downloads/PASCAL3D+_release1.1/CAD/aeroplane/04.ply -label_class=1 -label_item=4 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/aeroplane_pascal/ -semisphere=0
-./sphereview_test -plymodel=/Users/yidawang/Downloads/PASCAL3D+_release1.1/CAD/aeroplane/05.ply -label_class=1 -label_item=5 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/aeroplane_pascal/ -semisphere=0
-./sphereview_test -plymodel=/Users/yidawang/Downloads/PASCAL3D+_release1.1/CAD/aeroplane/06.ply -label_class=1 -label_item=6 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/aeroplane_pascal/ -semisphere=0
-./sphereview_test -plymodel=/Users/yidawang/Downloads/PASCAL3D+_release1.1/CAD/aeroplane/07.ply -label_class=1 -label_item=7 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/aeroplane_pascal/ -semisphere=0
-./sphereview_test -plymodel=/Users/yidawang/Downloads/PASCAL3D+_release1.1/CAD/aeroplane/08.ply -label_class=1 -label_item=8 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/aeroplane_pascal/ -semisphere=0
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/aeroplane/01.ply -label_class=1 -label_item=1 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/aeroplane_pascal/ -semisphere=0
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/aeroplane/02.ply -label_class=1 -label_item=2 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/aeroplane_pascal/ -semisphere=0
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/aeroplane/03.ply -label_class=1 -label_item=3 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/aeroplane_pascal/ -semisphere=0
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/aeroplane/04.ply -label_class=1 -label_item=4 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/aeroplane_pascal/ -semisphere=0
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/aeroplane/05.ply -label_class=1 -label_item=5 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/aeroplane_pascal/ -semisphere=0
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/aeroplane/06.ply -label_class=1 -label_item=6 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/aeroplane_pascal/ -semisphere=0
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/aeroplane/07.ply -label_class=1 -label_item=7 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/aeroplane_pascal/ -semisphere=0
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/aeroplane/08.ply -label_class=1 -label_item=8 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/aeroplane_pascal/ -semisphere=0
 
-./sphereview_test -plymodel=/Users/yidawang/Downloads/PASCAL3D+_release1.1/CAD/bicycle/01.ply -label_class=2 -label_item=1 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/bicycle_pascal/ -z_range=0.6
-./sphereview_test -plymodel=/Users/yidawang/Downloads/PASCAL3D+_release1.1/CAD/bicycle/02.ply -label_class=2 -label_item=2 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/bicycle_pascal/ -z_range=0.6
-./sphereview_test -plymodel=/Users/yidawang/Downloads/PASCAL3D+_release1.1/CAD/bicycle/03.ply -label_class=2 -label_item=3 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/bicycle_pascal/ -z_range=0.6
-./sphereview_test -plymodel=/Users/yidawang/Downloads/PASCAL3D+_release1.1/CAD/bicycle/04.ply -label_class=2 -label_item=4 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/bicycle_pascal/ -z_range=0.6
-./sphereview_test -plymodel=/Users/yidawang/Downloads/PASCAL3D+_release1.1/CAD/bicycle/05.ply -label_class=2 -label_item=5 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/bicycle_pascal/ -z_range=0.6
-./sphereview_test -plymodel=/Users/yidawang/Downloads/PASCAL3D+_release1.1/CAD/bicycle/06.ply -label_class=2 -label_item=6 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/bicycle_pascal/ -z_range=0.6
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/bicycle/01.ply -label_class=2 -label_item=1 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/bicycle_pascal/ -z_range=0.6
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/bicycle/02.ply -label_class=2 -label_item=2 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/bicycle_pascal/ -z_range=0.6
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/bicycle/03.ply -label_class=2 -label_item=3 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/bicycle_pascal/ -z_range=0.6
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/bicycle/04.ply -label_class=2 -label_item=4 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/bicycle_pascal/ -z_range=0.6
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/bicycle/05.ply -label_class=2 -label_item=5 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/bicycle_pascal/ -z_range=0.6
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/bicycle/06.ply -label_class=2 -label_item=6 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/bicycle_pascal/ -z_range=0.6
 
-./sphereview_test -plymodel=/Users/yidawang/Downloads/PASCAL3D+_release1.1/CAD/boat/01.ply -label_class=3 -label_item=1 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/boat_pascal/ -z_range=0.6
-./sphereview_test -plymodel=/Users/yidawang/Downloads/PASCAL3D+_release1.1/CAD/boat/02.ply -label_class=3 -label_item=2 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/boat_pascal/ -z_range=0.6
-./sphereview_test -plymodel=/Users/yidawang/Downloads/PASCAL3D+_release1.1/CAD/boat/03.ply -label_class=3 -label_item=3 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/boat_pascal/ -z_range=0.6
-./sphereview_test -plymodel=/Users/yidawang/Downloads/PASCAL3D+_release1.1/CAD/boat/04.ply -label_class=3 -label_item=4 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/boat_pascal/ -z_range=0.6
-./sphereview_test -plymodel=/Users/yidawang/Downloads/PASCAL3D+_release1.1/CAD/boat/05.ply -label_class=3 -label_item=5 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/boat_pascal/ -z_range=0.6
-./sphereview_test -plymodel=/Users/yidawang/Downloads/PASCAL3D+_release1.1/CAD/boat/06.ply -label_class=3 -label_item=6 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/boat_pascal/ -z_range=0.6
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/boat/01.ply -label_class=3 -label_item=1 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/boat_pascal/ -z_range=0.6
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/boat/02.ply -label_class=3 -label_item=2 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/boat_pascal/ -z_range=0.6
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/boat/03.ply -label_class=3 -label_item=3 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/boat_pascal/ -z_range=0.6
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/boat/04.ply -label_class=3 -label_item=4 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/boat_pascal/ -z_range=0.6
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/boat/05.ply -label_class=3 -label_item=5 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/boat_pascal/ -z_range=0.6
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/boat/06.ply -label_class=3 -label_item=6 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/boat_pascal/ -z_range=0.6
 
-./sphereview_test -plymodel=/Users/yidawang/Downloads/PASCAL3D+_release1.1/CAD/bottle/01.ply -label_class=4 -label_item=1 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/bottle_pascal/ -z_range=0.5
-./sphereview_test -plymodel=/Users/yidawang/Downloads/PASCAL3D+_release1.1/CAD/bottle/02.ply -label_class=4 -label_item=2 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/bottle_pascal/ -z_range=0.5
-./sphereview_test -plymodel=/Users/yidawang/Downloads/PASCAL3D+_release1.1/CAD/bottle/03.ply -label_class=4 -label_item=3 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/bottle_pascal/ -z_range=0.5
-./sphereview_test -plymodel=/Users/yidawang/Downloads/PASCAL3D+_release1.1/CAD/bottle/04.ply -label_class=4 -label_item=4 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/bottle_pascal/ -z_range=0.5
-./sphereview_test -plymodel=/Users/yidawang/Downloads/PASCAL3D+_release1.1/CAD/bottle/05.ply -label_class=4 -label_item=5 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/bottle_pascal/ -z_range=0.5
-./sphereview_test -plymodel=/Users/yidawang/Downloads/PASCAL3D+_release1.1/CAD/bottle/06.ply -label_class=4 -label_item=6 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/bottle_pascal/ -z_range=0.5
-./sphereview_test -plymodel=/Users/yidawang/Downloads/PASCAL3D+_release1.1/CAD/bottle/07.ply -label_class=4 -label_item=7 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/bottle_pascal/ -z_range=0.5
-./sphereview_test -plymodel=/Users/yidawang/Downloads/PASCAL3D+_release1.1/CAD/bottle/08.ply -label_class=4 -label_item=8 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/bottle_pascal/ -z_range=0.5
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/bottle/01.ply -label_class=4 -label_item=1 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/bottle_pascal/ -z_range=0.5
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/bottle/02.ply -label_class=4 -label_item=2 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/bottle_pascal/ -z_range=0.5
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/bottle/03.ply -label_class=4 -label_item=3 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/bottle_pascal/ -z_range=0.5
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/bottle/04.ply -label_class=4 -label_item=4 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/bottle_pascal/ -z_range=0.5
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/bottle/05.ply -label_class=4 -label_item=5 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/bottle_pascal/ -z_range=0.5
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/bottle/06.ply -label_class=4 -label_item=6 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/bottle_pascal/ -z_range=0.5
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/bottle/07.ply -label_class=4 -label_item=7 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/bottle_pascal/ -z_range=0.5
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/bottle/08.ply -label_class=4 -label_item=8 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/bottle_pascal/ -z_range=0.5
 
-./sphereview_test -plymodel=/Users/yidawang/Downloads/PASCAL3D+_release1.1/CAD/bus/01.ply -label_class=5 -label_item=1 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/bus_pascal/ -z_range=0.2
-./sphereview_test -plymodel=/Users/yidawang/Downloads/PASCAL3D+_release1.1/CAD/bus/02.ply -label_class=5 -label_item=2 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/bus_pascal/ -z_range=0.2
-./sphereview_test -plymodel=/Users/yidawang/Downloads/PASCAL3D+_release1.1/CAD/bus/03.ply -label_class=5 -label_item=3 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/bus_pascal/ -z_range=0.2
-./sphereview_test -plymodel=/Users/yidawang/Downloads/PASCAL3D+_release1.1/CAD/bus/04.ply -label_class=5 -label_item=4 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/bus_pascal/ -z_range=0.2
-./sphereview_test -plymodel=/Users/yidawang/Downloads/PASCAL3D+_release1.1/CAD/bus/05.ply -label_class=5 -label_item=5 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/bus_pascal/ -z_range=0.2
-./sphereview_test -plymodel=/Users/yidawang/Downloads/PASCAL3D+_release1.1/CAD/bus/06.ply -label_class=5 -label_item=6 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/bus_pascal/ -z_range=0.2
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/bus/01.ply -label_class=5 -label_item=1 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/bus_pascal/ -z_range=0.2
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/bus/02.ply -label_class=5 -label_item=2 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/bus_pascal/ -z_range=0.2
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/bus/03.ply -label_class=5 -label_item=3 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/bus_pascal/ -z_range=0.2
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/bus/04.ply -label_class=5 -label_item=4 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/bus_pascal/ -z_range=0.2
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/bus/05.ply -label_class=5 -label_item=5 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/bus_pascal/ -z_range=0.2
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/bus/06.ply -label_class=5 -label_item=6 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/bus_pascal/ -z_range=0.2
 
-./sphereview_test -plymodel=/Users/yidawang/Downloads/PASCAL3D+_release1.1/CAD/car/01.ply -label_class=6 -label_item=1 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/car_pascal/ -z_range=0.5
-./sphereview_test -plymodel=/Users/yidawang/Downloads/PASCAL3D+_release1.1/CAD/car/02.ply -label_class=6 -label_item=2 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/car_pascal/ -z_range=0.5
-./sphereview_test -plymodel=/Users/yidawang/Downloads/PASCAL3D+_release1.1/CAD/car/03.ply -label_class=6 -label_item=3 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/car_pascal/ -z_range=0.5
-./sphereview_test -plymodel=/Users/yidawang/Downloads/PASCAL3D+_release1.1/CAD/car/04.ply -label_class=6 -label_item=4 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/car_pascal/ -z_range=0.5
-./sphereview_test -plymodel=/Users/yidawang/Downloads/PASCAL3D+_release1.1/CAD/car/05.ply -label_class=6 -label_item=5 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/car_pascal/ -z_range=0.5
-./sphereview_test -plymodel=/Users/yidawang/Downloads/PASCAL3D+_release1.1/CAD/car/06.ply -label_class=6 -label_item=6 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/car_pascal/ -z_range=0.5
-./sphereview_test -plymodel=/Users/yidawang/Downloads/PASCAL3D+_release1.1/CAD/car/07.ply -label_class=6 -label_item=7 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/car_pascal/ -z_range=0.5
-./sphereview_test -plymodel=/Users/yidawang/Downloads/PASCAL3D+_release1.1/CAD/car/08.ply -label_class=6 -label_item=8 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/car_pascal/ -z_range=0.5
-./sphereview_test -plymodel=/Users/yidawang/Downloads/PASCAL3D+_release1.1/CAD/car/09.ply -label_class=6 -label_item=9 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/car_pascal/ -z_range=0.5
-./sphereview_test -plymodel=/Users/yidawang/Downloads/PASCAL3D+_release1.1/CAD/car/10.ply -label_class=6 -label_item=10 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/car_pascal/ -z_range=0.5
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/car/01.ply -label_class=6 -label_item=1 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/car_pascal/ -z_range=0.5
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/car/02.ply -label_class=6 -label_item=2 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/car_pascal/ -z_range=0.5
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/car/03.ply -label_class=6 -label_item=3 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/car_pascal/ -z_range=0.5
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/car/04.ply -label_class=6 -label_item=4 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/car_pascal/ -z_range=0.5
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/car/05.ply -label_class=6 -label_item=5 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/car_pascal/ -z_range=0.5
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/car/06.ply -label_class=6 -label_item=6 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/car_pascal/ -z_range=0.5
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/car/07.ply -label_class=6 -label_item=7 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/car_pascal/ -z_range=0.5
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/car/08.ply -label_class=6 -label_item=8 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/car_pascal/ -z_range=0.5
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/car/09.ply -label_class=6 -label_item=9 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/car_pascal/ -z_range=0.5
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/car/10.ply -label_class=6 -label_item=10 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/car_pascal/ -z_range=0.5
 
-./sphereview_test -plymodel=/Users/yidawang/Downloads/PASCAL3D+_release1.1/CAD/chair/01.ply -label_class=7 -label_item=1 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/chair_pascal/ -z_range=0.6
-./sphereview_test -plymodel=/Users/yidawang/Downloads/PASCAL3D+_release1.1/CAD/chair/02.ply -label_class=7 -label_item=2 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/chair_pascal/ -z_range=0.6
-./sphereview_test -plymodel=/Users/yidawang/Downloads/PASCAL3D+_release1.1/CAD/chair/03.ply -label_class=7 -label_item=3 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/chair_pascal/ -z_range=0.6
-./sphereview_test -plymodel=/Users/yidawang/Downloads/PASCAL3D+_release1.1/CAD/chair/04.ply -label_class=7 -label_item=4 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/chair_pascal/ -z_range=0.6
-./sphereview_test -plymodel=/Users/yidawang/Downloads/PASCAL3D+_release1.1/CAD/chair/05.ply -label_class=7 -label_item=5 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/chair_pascal/ -z_range=0.6
-./sphereview_test -plymodel=/Users/yidawang/Downloads/PASCAL3D+_release1.1/CAD/chair/06.ply -label_class=7 -label_item=6 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/chair_pascal/ -z_range=0.6
-./sphereview_test -plymodel=/Users/yidawang/Downloads/PASCAL3D+_release1.1/CAD/chair/07.ply -label_class=7 -label_item=7 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/chair_pascal/ -z_range=0.6
-./sphereview_test -plymodel=/Users/yidawang/Downloads/PASCAL3D+_release1.1/CAD/chair/08.ply -label_class=7 -label_item=8 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/chair_pascal/ -z_range=0.6
-./sphereview_test -plymodel=/Users/yidawang/Downloads/PASCAL3D+_release1.1/CAD/chair/09.ply -label_class=7 -label_item=9 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/chair_pascal/ -z_range=0.6
-./sphereview_test -plymodel=/Users/yidawang/Downloads/PASCAL3D+_release1.1/CAD/chair/10.ply -label_class=7 -label_item=10 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/chair_pascal/ -z_range=0.6
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/chair/01.ply -label_class=7 -label_item=1 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/chair_pascal/ -z_range=0.6
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/chair/02.ply -label_class=7 -label_item=2 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/chair_pascal/ -z_range=0.6
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/chair/03.ply -label_class=7 -label_item=3 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/chair_pascal/ -z_range=0.6
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/chair/04.ply -label_class=7 -label_item=4 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/chair_pascal/ -z_range=0.6
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/chair/05.ply -label_class=7 -label_item=5 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/chair_pascal/ -z_range=0.6
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/chair/06.ply -label_class=7 -label_item=6 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/chair_pascal/ -z_range=0.6
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/chair/07.ply -label_class=7 -label_item=7 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/chair_pascal/ -z_range=0.6
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/chair/08.ply -label_class=7 -label_item=8 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/chair_pascal/ -z_range=0.6
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/chair/09.ply -label_class=7 -label_item=9 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/chair_pascal/ -z_range=0.6
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/chair/10.ply -label_class=7 -label_item=10 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/chair_pascal/ -z_range=0.6
 
-./sphereview_test -plymodel=/Users/yidawang/Downloads/PASCAL3D+_release1.1/CAD/diningtable/01.ply -label_class=8 -label_item=1 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/diningtable_pascal/ -z_range=0.6
-./sphereview_test -plymodel=/Users/yidawang/Downloads/PASCAL3D+_release1.1/CAD/diningtable/02.ply -label_class=8 -label_item=2 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/diningtable_pascal/ -z_range=0.6
-./sphereview_test -plymodel=/Users/yidawang/Downloads/PASCAL3D+_release1.1/CAD/diningtable/03.ply -label_class=8 -label_item=3 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/diningtable_pascal/ -z_range=0.6
-./sphereview_test -plymodel=/Users/yidawang/Downloads/PASCAL3D+_release1.1/CAD/diningtable/04.ply -label_class=8 -label_item=4 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/diningtable_pascal/ -z_range=0.6
-./sphereview_test -plymodel=/Users/yidawang/Downloads/PASCAL3D+_release1.1/CAD/diningtable/05.ply -label_class=8 -label_item=5 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/diningtable_pascal/ -z_range=0.6
-./sphereview_test -plymodel=/Users/yidawang/Downloads/PASCAL3D+_release1.1/CAD/diningtable/06.ply -label_class=8 -label_item=6 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/diningtable_pascal/ -z_range=0.6
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/diningtable/01.ply -label_class=8 -label_item=1 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/diningtable_pascal/ -z_range=0.6
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/diningtable/02.ply -label_class=8 -label_item=2 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/diningtable_pascal/ -z_range=0.6
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/diningtable/03.ply -label_class=8 -label_item=3 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/diningtable_pascal/ -z_range=0.6
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/diningtable/04.ply -label_class=8 -label_item=4 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/diningtable_pascal/ -z_range=0.6
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/diningtable/05.ply -label_class=8 -label_item=5 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/diningtable_pascal/ -z_range=0.6
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/diningtable/06.ply -label_class=8 -label_item=6 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/diningtable_pascal/ -z_range=0.6
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/diningtable/07.ply -label_class=8 -label_item=7 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/diningtable_pascal/ -z_range=0.6
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/diningtable/08.ply -label_class=8 -label_item=8 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/diningtable_pascal/ -z_range=0.6
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/diningtable/09.ply -label_class=8 -label_item=9 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/diningtable_pascal/ -z_range=0.6
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/diningtable/10.ply -label_class=8 -label_item=10 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/diningtable_pascal/ -z_range=0.6
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/diningtable/11.ply -label_class=8 -label_item=11 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/diningtable_pascal/ -z_range=0.6
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/diningtable/12.ply -label_class=8 -label_item=12 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/diningtable_pascal/ -z_range=0.6
 
-./sphereview_test -plymodel=/Users/yidawang/Downloads/PASCAL3D+_release1.1/CAD/motorbike/01.ply -label_class=9 -label_item=1 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/motorbike_pascal/ -z_range=0.5
-./sphereview_test -plymodel=/Users/yidawang/Downloads/PASCAL3D+_release1.1/CAD/motorbike/02.ply -label_class=9 -label_item=2 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/motorbike_pascal/ -z_range=0.5
-./sphereview_test -plymodel=/Users/yidawang/Downloads/PASCAL3D+_release1.1/CAD/motorbike/03.ply -label_class=9 -label_item=3 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/motorbike_pascal/ -z_range=0.5
-./sphereview_test -plymodel=/Users/yidawang/Downloads/PASCAL3D+_release1.1/CAD/motorbike/04.ply -label_class=9 -label_item=4 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/motorbike_pascal/ -z_range=0.5
-./sphereview_test -plymodel=/Users/yidawang/Downloads/PASCAL3D+_release1.1/CAD/motorbike/05.ply -label_class=9 -label_item=5 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/motorbike_pascal/ -z_range=0.5
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/motorbike/01.ply -label_class=9 -label_item=1 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/motorbike_pascal/ -z_range=0.5
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/motorbike/02.ply -label_class=9 -label_item=2 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/motorbike_pascal/ -z_range=0.5
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/motorbike/03.ply -label_class=9 -label_item=3 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/motorbike_pascal/ -z_range=0.5
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/motorbike/04.ply -label_class=9 -label_item=4 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/motorbike_pascal/ -z_range=0.5
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/motorbike/05.ply -label_class=9 -label_item=5 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/motorbike_pascal/ -z_range=0.5
 
-./sphereview_test -plymodel=/Users/yidawang/Downloads/PASCAL3D+_release1.1/CAD/sofa/01.ply -label_class=10 -label_item=1 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/sofa_pascal/ -z_range=0.6
-./sphereview_test -plymodel=/Users/yidawang/Downloads/PASCAL3D+_release1.1/CAD/sofa/02.ply -label_class=10 -label_item=2 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/sofa_pascal/ -z_range=0.6
-./sphereview_test -plymodel=/Users/yidawang/Downloads/PASCAL3D+_release1.1/CAD/sofa/03.ply -label_class=10 -label_item=3 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/sofa_pascal/ -z_range=0.6
-./sphereview_test -plymodel=/Users/yidawang/Downloads/PASCAL3D+_release1.1/CAD/sofa/04.ply -label_class=10 -label_item=4 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/sofa_pascal/ -z_range=0.6
-./sphereview_test -plymodel=/Users/yidawang/Downloads/PASCAL3D+_release1.1/CAD/sofa/05.ply -label_class=10 -label_item=5 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/sofa_pascal/ -z_range=0.6
-./sphereview_test -plymodel=/Users/yidawang/Downloads/PASCAL3D+_release1.1/CAD/sofa/06.ply -label_class=10 -label_item=6 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/sofa_pascal/ -z_range=0.6
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/sofa/01.ply -label_class=10 -label_item=1 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/sofa_pascal/ -z_range=0.6
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/sofa/02.ply -label_class=10 -label_item=2 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/sofa_pascal/ -z_range=0.6
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/sofa/03.ply -label_class=10 -label_item=3 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/sofa_pascal/ -z_range=0.6
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/sofa/04.ply -label_class=10 -label_item=4 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/sofa_pascal/ -z_range=0.6
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/sofa/05.ply -label_class=10 -label_item=5 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/sofa_pascal/ -z_range=0.6
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/sofa/06.ply -label_class=10 -label_item=6 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/sofa_pascal/ -z_range=0.6
 
-./sphereview_test -plymodel=/Users/yidawang/Downloads/PASCAL3D+_release1.1/CAD/train/01.ply -label_class=11 -label_item=1 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/train_pascal/ -z_range=0.2
-./sphereview_test -plymodel=/Users/yidawang/Downloads/PASCAL3D+_release1.1/CAD/train/02.ply -label_class=11 -label_item=2 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/train_pascal/ -z_range=0.2
-./sphereview_test -plymodel=/Users/yidawang/Downloads/PASCAL3D+_release1.1/CAD/train/03.ply -label_class=11 -label_item=3 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/train_pascal/ -z_range=0.2
-./sphereview_test -plymodel=/Users/yidawang/Downloads/PASCAL3D+_release1.1/CAD/train/04.ply -label_class=11 -label_item=4 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/train_pascal/ -z_range=0.2
\ No newline at end of file
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/train/01.ply -label_class=11 -label_item=1 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/train_pascal/ -z_range=0.2
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/train/02.ply -label_class=11 -label_item=2 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/train_pascal/ -z_range=0.2
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/train/03.ply -label_class=11 -label_item=3 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/train_pascal/ -z_range=0.2
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/train/04.ply -label_class=11 -label_item=4 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/train_pascal/ -z_range=0.2
\ No newline at end of file
diff --git a/modules/cnn_3dobj/samples/datagen_back.sh b/modules/cnn_3dobj/samples/datagen_back.sh
new file mode 100755
index 000000000..37917b2c5
--- /dev/null
+++ b/modules/cnn_3dobj/samples/datagen_back.sh
@@ -0,0 +1,45 @@
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/aeroplane/01.ply -label_class=1 -label_item=1 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/aeroplane_pascal/ -semisphere=0 -view_region=2
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/aeroplane/02.ply -label_class=1 -label_item=2 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/aeroplane_pascal/ -semisphere=0 -view_region=2
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/aeroplane/03.ply -label_class=1 -label_item=3 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/aeroplane_pascal/ -semisphere=0 -view_region=2
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/aeroplane/04.ply -label_class=1 -label_item=4 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/aeroplane_pascal/ -semisphere=0 -view_region=2
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/aeroplane/05.ply -label_class=1 -label_item=5 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/aeroplane_pascal/ -semisphere=0 -view_region=2
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/aeroplane/06.ply -label_class=1 -label_item=6 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/aeroplane_pascal/ -semisphere=0 -view_region=2
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/aeroplane/07.ply -label_class=1 -label_item=7 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/aeroplane_pascal/ -semisphere=0 -view_region=2
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/aeroplane/08.ply -label_class=1 -label_item=8 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/aeroplane_pascal/ -semisphere=0 -view_region=2
+
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/bicycle/01.ply -label_class=2 -label_item=1 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/bicycle_pascal/ -z_range=0.6 -view_region=2
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/bicycle/02.ply -label_class=2 -label_item=2 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/bicycle_pascal/ -z_range=0.6 -view_region=2
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/bicycle/03.ply -label_class=2 -label_item=3 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/bicycle_pascal/ -z_range=0.6 -view_region=2
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/bicycle/04.ply -label_class=2 -label_item=4 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/bicycle_pascal/ -z_range=0.6 -view_region=2
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/bicycle/05.ply -label_class=2 -label_item=5 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/bicycle_pascal/ -z_range=0.6 -view_region=2
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/bicycle/06.ply -label_class=2 -label_item=6 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/bicycle_pascal/ -z_range=0.6 -view_region=2
+
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/boat/01.ply -label_class=3 -label_item=1 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/boat_pascal/ -z_range=0.6 -view_region=2
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/boat/02.ply -label_class=3 -label_item=2 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/boat_pascal/ -z_range=0.6 -view_region=2
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/boat/04.ply -label_class=3 -label_item=4 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/boat_pascal/ -z_range=0.6 -view_region=2
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/boat/05.ply -label_class=3 -label_item=5 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/boat_pascal/ -z_range=0.6 -view_region=2
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/boat/06.ply -label_class=3 -label_item=6 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/boat_pascal/ -z_range=0.6 -view_region=2
+
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/bus/01.ply -label_class=5 -label_item=1 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/bus_pascal/ -z_range=0.2 -view_region=2
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/bus/02.ply -label_class=5 -label_item=2 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/bus_pascal/ -z_range=0.2 -view_region=2
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/bus/03.ply -label_class=5 -label_item=3 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/bus_pascal/ -z_range=0.2 -view_region=2
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/bus/04.ply -label_class=5 -label_item=4 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/bus_pascal/ -z_range=0.2 -view_region=2
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/bus/05.ply -label_class=5 -label_item=5 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/bus_pascal/ -z_range=0.2 -view_region=2
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/bus/06.ply -label_class=5 -label_item=6 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/bus_pascal/ -z_range=0.2 -view_region=2
+
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/car/01.ply -label_class=6 -label_item=1 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/car_pascal/ -z_range=0.5 -view_region=2
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/car/02.ply -label_class=6 -label_item=2 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/car_pascal/ -z_range=0.5 -view_region=2
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/car/03.ply -label_class=6 -label_item=3 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/car_pascal/ -z_range=0.5 -view_region=2
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/car/04.ply -label_class=6 -label_item=4 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/car_pascal/ -z_range=0.5 -view_region=2
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/car/05.ply -label_class=6 -label_item=5 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/car_pascal/ -z_range=0.5 -view_region=2
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/car/06.ply -label_class=6 -label_item=6 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/car_pascal/ -z_range=0.5 -view_region=2
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/car/07.ply -label_class=6 -label_item=7 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/car_pascal/ -z_range=0.5 -view_region=2
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/car/08.ply -label_class=6 -label_item=8 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/car_pascal/ -z_range=0.5 -view_region=2
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/car/09.ply -label_class=6 -label_item=9 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/car_pascal/ -z_range=0.5 -view_region=2
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/car/10.ply -label_class=6 -label_item=10 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/car_pascal/ -z_range=0.5 -view_region=2
+
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/motorbike/01.ply -label_class=9 -label_item=1 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/motorbike_pascal/ -z_range=0.5 -view_region=2
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/motorbike/02.ply -label_class=9 -label_item=2 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/motorbike_pascal/ -z_range=0.5 -view_region=2
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/motorbike/03.ply -label_class=9 -label_item=3 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/motorbike_pascal/ -z_range=0.5 -view_region=2
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/motorbike/04.ply -label_class=9 -label_item=4 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/motorbike_pascal/ -z_range=0.5 -view_region=2
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/motorbike/05.ply -label_class=9 -label_item=5 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/motorbike_pascal/ -z_range=0.5 -view_region=2
\ No newline at end of file
diff --git a/modules/cnn_3dobj/samples/datagen_front.sh b/modules/cnn_3dobj/samples/datagen_front.sh
index e3d8b5184..bcd60c6c0 100755
--- a/modules/cnn_3dobj/samples/datagen_front.sh
+++ b/modules/cnn_3dobj/samples/datagen_front.sh
@@ -1,55 +1,60 @@
-./sphereview_test -plymodel=/Users/yidawang/Downloads/PASCAL3D+_release1.1/CAD/aeroplane/01.ply -label_class=1 -label_item=1 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/aeroplane_pascal/ -semisphere=0 -front_view=1
-./sphereview_test -plymodel=/Users/yidawang/Downloads/PASCAL3D+_release1.1/CAD/aeroplane/02.ply -label_class=1 -label_item=2 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/aeroplane_pascal/ -semisphere=0 -front_view=1
-./sphereview_test -plymodel=/Users/yidawang/Downloads/PASCAL3D+_release1.1/CAD/aeroplane/03.ply -label_class=1 -label_item=3 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/aeroplane_pascal/ -semisphere=0 -front_view=1
-./sphereview_test -plymodel=/Users/yidawang/Downloads/PASCAL3D+_release1.1/CAD/aeroplane/04.ply -label_class=1 -label_item=4 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/aeroplane_pascal/ -semisphere=0 -front_view=1
-./sphereview_test -plymodel=/Users/yidawang/Downloads/PASCAL3D+_release1.1/CAD/aeroplane/05.ply -label_class=1 -label_item=5 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/aeroplane_pascal/ -semisphere=0 -front_view=1
-./sphereview_test -plymodel=/Users/yidawang/Downloads/PASCAL3D+_release1.1/CAD/aeroplane/06.ply -label_class=1 -label_item=6 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/aeroplane_pascal/ -semisphere=0 -front_view=1
-./sphereview_test -plymodel=/Users/yidawang/Downloads/PASCAL3D+_release1.1/CAD/aeroplane/07.ply -label_class=1 -label_item=7 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/aeroplane_pascal/ -semisphere=0 -front_view=1
-./sphereview_test -plymodel=/Users/yidawang/Downloads/PASCAL3D+_release1.1/CAD/aeroplane/08.ply -label_class=1 -label_item=8 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/aeroplane_pascal/ -semisphere=0 -front_view=1
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/aeroplane/01.ply -label_class=1 -label_item=1 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/aeroplane_pascal/ -semisphere=0 -view_region=1
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/aeroplane/02.ply -label_class=1 -label_item=2 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/aeroplane_pascal/ -semisphere=0 -view_region=1
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/aeroplane/03.ply -label_class=1 -label_item=3 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/aeroplane_pascal/ -semisphere=0 -view_region=1
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/aeroplane/04.ply -label_class=1 -label_item=4 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/aeroplane_pascal/ -semisphere=0 -view_region=1
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/aeroplane/05.ply -label_class=1 -label_item=5 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/aeroplane_pascal/ -semisphere=0 -view_region=1
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/aeroplane/06.ply -label_class=1 -label_item=6 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/aeroplane_pascal/ -semisphere=0 -view_region=1
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/aeroplane/07.ply -label_class=1 -label_item=7 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/aeroplane_pascal/ -semisphere=0 -view_region=1
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/aeroplane/08.ply -label_class=1 -label_item=8 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/aeroplane_pascal/ -semisphere=0 -view_region=1
 
-./sphereview_test -plymodel=/Users/yidawang/Downloads/PASCAL3D+_release1.1/CAD/bicycle/01.ply -label_class=2 -label_item=1 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/bicycle_pascal/ -z_range=0.6 -front_view=1
-./sphereview_test -plymodel=/Users/yidawang/Downloads/PASCAL3D+_release1.1/CAD/bicycle/02.ply -label_class=2 -label_item=2 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/bicycle_pascal/ -z_range=0.6 -front_view=1
-./sphereview_test -plymodel=/Users/yidawang/Downloads/PASCAL3D+_release1.1/CAD/bicycle/03.ply -label_class=2 -label_item=3 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/bicycle_pascal/ -z_range=0.6 -front_view=1
-./sphereview_test -plymodel=/Users/yidawang/Downloads/PASCAL3D+_release1.1/CAD/bicycle/04.ply -label_class=2 -label_item=4 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/bicycle_pascal/ -z_range=0.6 -front_view=1
-./sphereview_test -plymodel=/Users/yidawang/Downloads/PASCAL3D+_release1.1/CAD/bicycle/05.ply -label_class=2 -label_item=5 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/bicycle_pascal/ -z_range=0.6 -front_view=1
-./sphereview_test -plymodel=/Users/yidawang/Downloads/PASCAL3D+_release1.1/CAD/bicycle/06.ply -label_class=2 -label_item=6 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/bicycle_pascal/ -z_range=0.6 -front_view=1
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/bicycle/01.ply -label_class=2 -label_item=1 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/bicycle_pascal/ -z_range=0.6 -view_region=1
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/bicycle/02.ply -label_class=2 -label_item=2 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/bicycle_pascal/ -z_range=0.6 -view_region=1
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/bicycle/03.ply -label_class=2 -label_item=3 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/bicycle_pascal/ -z_range=0.6 -view_region=1
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/bicycle/04.ply -label_class=2 -label_item=4 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/bicycle_pascal/ -z_range=0.6 -view_region=1
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/bicycle/05.ply -label_class=2 -label_item=5 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/bicycle_pascal/ -z_range=0.6 -view_region=1
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/bicycle/06.ply -label_class=2 -label_item=6 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/bicycle_pascal/ -z_range=0.6 -view_region=1
 
-./sphereview_test -plymodel=/Users/yidawang/Downloads/PASCAL3D+_release1.1/CAD/boat/01.ply -label_class=3 -label_item=1 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/boat_pascal/ -z_range=0.6 -front_view=1
-./sphereview_test -plymodel=/Users/yidawang/Downloads/PASCAL3D+_release1.1/CAD/boat/02.ply -label_class=3 -label_item=2 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/boat_pascal/ -z_range=0.6 -front_view=1
-./sphereview_test -plymodel=/Users/yidawang/Downloads/PASCAL3D+_release1.1/CAD/boat/04.ply -label_class=3 -label_item=4 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/boat_pascal/ -z_range=0.6 -front_view=1
-./sphereview_test -plymodel=/Users/yidawang/Downloads/PASCAL3D+_release1.1/CAD/boat/05.ply -label_class=3 -label_item=5 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/boat_pascal/ -z_range=0.6 -front_view=1
-./sphereview_test -plymodel=/Users/yidawang/Downloads/PASCAL3D+_release1.1/CAD/boat/06.ply -label_class=3 -label_item=6 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/boat_pascal/ -z_range=0.6 -front_view=1
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/boat/01.ply -label_class=3 -label_item=1 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/boat_pascal/ -z_range=0.6 -view_region=1
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/boat/02.ply -label_class=3 -label_item=2 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/boat_pascal/ -z_range=0.6 -view_region=1
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/boat/04.ply -label_class=3 -label_item=4 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/boat_pascal/ -z_range=0.6 -view_region=1
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/boat/05.ply -label_class=3 -label_item=5 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/boat_pascal/ -z_range=0.6 -view_region=1
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/boat/06.ply -label_class=3 -label_item=6 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/boat_pascal/ -z_range=0.6 -view_region=1
 
-./sphereview_test -plymodel=/Users/yidawang/Downloads/PASCAL3D+_release1.1/CAD/bus/01.ply -label_class=5 -label_item=1 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/bus_pascal/ -z_range=0.2 -front_view=1
-./sphereview_test -plymodel=/Users/yidawang/Downloads/PASCAL3D+_release1.1/CAD/bus/02.ply -label_class=5 -label_item=2 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/bus_pascal/ -z_range=0.2 -front_view=1
-./sphereview_test -plymodel=/Users/yidawang/Downloads/PASCAL3D+_release1.1/CAD/bus/03.ply -label_class=5 -label_item=3 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/bus_pascal/ -z_range=0.2 -front_view=1
-./sphereview_test -plymodel=/Users/yidawang/Downloads/PASCAL3D+_release1.1/CAD/bus/04.ply -label_class=5 -label_item=4 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/bus_pascal/ -z_range=0.2 -front_view=1
-./sphereview_test -plymodel=/Users/yidawang/Downloads/PASCAL3D+_release1.1/CAD/bus/05.ply -label_class=5 -label_item=5 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/bus_pascal/ -z_range=0.2 -front_view=1
-./sphereview_test -plymodel=/Users/yidawang/Downloads/PASCAL3D+_release1.1/CAD/bus/06.ply -label_class=5 -label_item=6 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/bus_pascal/ -z_range=0.2 -front_view=1
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/bus/01.ply -label_class=5 -label_item=1 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/bus_pascal/ -z_range=0.2 -view_region=1
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/bus/02.ply -label_class=5 -label_item=2 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/bus_pascal/ -z_range=0.2 -view_region=1
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/bus/03.ply -label_class=5 -label_item=3 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/bus_pascal/ -z_range=0.2 -view_region=1
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/bus/04.ply -label_class=5 -label_item=4 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/bus_pascal/ -z_range=0.2 -view_region=1
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/bus/05.ply -label_class=5 -label_item=5 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/bus_pascal/ -z_range=0.2 -view_region=1
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/bus/06.ply -label_class=5 -label_item=6 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/bus_pascal/ -z_range=0.2 -view_region=1
 
-./sphereview_test -plymodel=/Users/yidawang/Downloads/PASCAL3D+_release1.1/CAD/car/01.ply -label_class=6 -label_item=1 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/car_pascal/ -z_range=0.5 -front_view=1
-./sphereview_test -plymodel=/Users/yidawang/Downloads/PASCAL3D+_release1.1/CAD/car/02.ply -label_class=6 -label_item=2 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/car_pascal/ -z_range=0.5 -front_view=1
-./sphereview_test -plymodel=/Users/yidawang/Downloads/PASCAL3D+_release1.1/CAD/car/03.ply -label_class=6 -label_item=3 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/car_pascal/ -z_range=0.5 -front_view=1
-./sphereview_test -plymodel=/Users/yidawang/Downloads/PASCAL3D+_release1.1/CAD/car/04.ply -label_class=6 -label_item=4 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/car_pascal/ -z_range=0.5 -front_view=1
-./sphereview_test -plymodel=/Users/yidawang/Downloads/PASCAL3D+_release1.1/CAD/car/05.ply -label_class=6 -label_item=5 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/car_pascal/ -z_range=0.5 -front_view=1
-./sphereview_test -plymodel=/Users/yidawang/Downloads/PASCAL3D+_release1.1/CAD/car/06.ply -label_class=6 -label_item=6 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/car_pascal/ -z_range=0.5 -front_view=1
-./sphereview_test -plymodel=/Users/yidawang/Downloads/PASCAL3D+_release1.1/CAD/car/07.ply -label_class=6 -label_item=7 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/car_pascal/ -z_range=0.5 -front_view=1
-./sphereview_test -plymodel=/Users/yidawang/Downloads/PASCAL3D+_release1.1/CAD/car/08.ply -label_class=6 -label_item=8 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/car_pascal/ -z_range=0.5 -front_view=1
-./sphereview_test -plymodel=/Users/yidawang/Downloads/PASCAL3D+_release1.1/CAD/car/09.ply -label_class=6 -label_item=9 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/car_pascal/ -z_range=0.5 -front_view=1
-./sphereview_test -plymodel=/Users/yidawang/Downloads/PASCAL3D+_release1.1/CAD/car/10.ply -label_class=6 -label_item=10 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/car_pascal/ -z_range=0.5 -front_view=1
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/car/01.ply -label_class=6 -label_item=1 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/car_pascal/ -z_range=0.5 -view_region=1
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/car/02.ply -label_class=6 -label_item=2 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/car_pascal/ -z_range=0.5 -view_region=1
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/car/03.ply -label_class=6 -label_item=3 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/car_pascal/ -z_range=0.5 -view_region=1
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/car/04.ply -label_class=6 -label_item=4 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/car_pascal/ -z_range=0.5 -view_region=1
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/car/05.ply -label_class=6 -label_item=5 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/car_pascal/ -z_range=0.5 -view_region=1
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/car/06.ply -label_class=6 -label_item=6 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/car_pascal/ -z_range=0.5 -view_region=1
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/car/07.ply -label_class=6 -label_item=7 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/car_pascal/ -z_range=0.5 -view_region=1
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/car/08.ply -label_class=6 -label_item=8 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/car_pascal/ -z_range=0.5 -view_region=1
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/car/09.ply -label_class=6 -label_item=9 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/car_pascal/ -z_range=0.5 -view_region=1
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/car/10.ply -label_class=6 -label_item=10 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/car_pascal/ -z_range=0.5 -view_region=1
 
-./sphereview_test -plymodel=/Users/yidawang/Downloads/PASCAL3D+_release1.1/CAD/motorbike/01.ply -label_class=9 -label_item=1 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/motorbike_pascal/ -z_range=0.5 -front_view=1
-./sphereview_test -plymodel=/Users/yidawang/Downloads/PASCAL3D+_release1.1/CAD/motorbike/02.ply -label_class=9 -label_item=2 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/motorbike_pascal/ -z_range=0.5 -front_view=1
-./sphereview_test -plymodel=/Users/yidawang/Downloads/PASCAL3D+_release1.1/CAD/motorbike/03.ply -label_class=9 -label_item=3 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/motorbike_pascal/ -z_range=0.5 -front_view=1
-./sphereview_test -plymodel=/Users/yidawang/Downloads/PASCAL3D+_release1.1/CAD/motorbike/04.ply -label_class=9 -label_item=4 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/motorbike_pascal/ -z_range=0.5 -front_view=1
-./sphereview_test -plymodel=/Users/yidawang/Downloads/PASCAL3D+_release1.1/CAD/motorbike/05.ply -label_class=9 -label_item=5 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/motorbike_pascal/ -z_range=0.5 -front_view=1
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/motorbike/01.ply -label_class=9 -label_item=1 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/motorbike_pascal/ -z_range=0.5 -view_region=1
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/motorbike/02.ply -label_class=9 -label_item=2 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/motorbike_pascal/ -z_range=0.5 -view_region=1
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/motorbike/03.ply -label_class=9 -label_item=3 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/motorbike_pascal/ -z_range=0.5 -view_region=1
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/motorbike/04.ply -label_class=9 -label_item=4 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/motorbike_pascal/ -z_range=0.5 -view_region=1
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/motorbike/05.ply -label_class=9 -label_item=5 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/motorbike_pascal/ -z_range=0.5 -view_region=1
 
-./sphereview_test -plymodel=/Users/yidawang/Downloads/PASCAL3D+_release1.1/CAD/train/01.ply -label_class=11 -label_item=1 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/train_pascal/ -z_range=0.2 -front_view=1
-./sphereview_test -plymodel=/Users/yidawang/Downloads/PASCAL3D+_release1.1/CAD/train/02.ply -label_class=11 -label_item=2 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/train_pascal/ -z_range=0.2 -front_view=1
-./sphereview_test -plymodel=/Users/yidawang/Downloads/PASCAL3D+_release1.1/CAD/train/03.ply -label_class=11 -label_item=3 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/train_pascal/ -z_range=0.2 -front_view=1
-./sphereview_test -plymodel=/Users/yidawang/Downloads/PASCAL3D+_release1.1/CAD/train/04.ply -label_class=11 -label_item=4 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/train_pascal/ -z_range=0.2 -front_view=1
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/train/01.ply -label_class=11 -label_item=1 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/train_pascal/ -z_range=0.2 -view_region=1
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/train/02.ply -label_class=11 -label_item=2 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/train_pascal/ -z_range=0.2 -view_region=1
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/train/03.ply -label_class=11 -label_item=3 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/train_pascal/ -z_range=0.2 -view_region=1
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/train/04.ply -label_class=11 -label_item=4 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/train_pascal/ -z_range=0.2 -view_region=1
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/train/05.ply -label_class=11 -label_item=5 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/train_pascal/ -z_range=0.2 -view_region=1
 
-./sphereview_test -plymodel=/Users/yidawang/Downloads/PASCAL3D+_release1.1/CAD/tvmonitor/01.ply -label_class=12 -label_item=1 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/tvmonitor_pascal/ -z_range=0.3 -front_view=1
-./sphereview_test -plymodel=/Users/yidawang/Downloads/PASCAL3D+_release1.1/CAD/tvmonitor/02.ply -label_class=12 -label_item=2 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/tvmonitor_pascal/ -z_range=0.3 -front_view=1
-./sphereview_test -plymodel=/Users/yidawang/Downloads/PASCAL3D+_release1.1/CAD/tvmonitor/03.ply -label_class=12 -label_item=3 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/tvmonitor_pascal/ -z_range=0.3 -front_view=1
-./sphereview_test -plymodel=/Users/yidawang/Downloads/PASCAL3D+_release1.1/CAD/tvmonitor/04.ply -label_class=12 -label_item=4 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/tvmonitor_pascal/ -z_range=0.3 -front_view=1
\ No newline at end of file
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/tvmonitor/01.ply -label_class=12 -label_item=1 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/tvmonitor_pascal/ -z_range=0.3 -view_region=1
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/tvmonitor/02.ply -label_class=12 -label_item=2 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/tvmonitor_pascal/ -z_range=0.3 -view_region=1
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/tvmonitor/03.ply -label_class=12 -label_item=3 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/tvmonitor_pascal/ -z_range=0.3 -view_region=1
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/tvmonitor/04.ply -label_class=12 -label_item=4 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/tvmonitor_pascal/ -z_range=0.3 -view_region=1
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/tvmonitor/05.ply -label_class=12 -label_item=5 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/tvmonitor_pascal/ -z_range=0.3 -view_region=1
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/tvmonitor/06.ply -label_class=12 -label_item=6 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/tvmonitor_pascal/ -z_range=0.3 -view_region=1
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/tvmonitor/07.ply -label_class=12 -label_item=7 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/tvmonitor_pascal/ -z_range=0.3 -view_region=1
+./sphereview_test -plymodel=/Users/yidawang/Documents/database/PASCAL3D+_release1.1/CAD/tvmonitor/08.ply -label_class=12 -label_item=8 -bakgrdir=/Users/yidawang/Documents/database/backgrd_pascal/tvmonitor_pascal/ -z_range=0.3 -view_region=1
\ No newline at end of file
diff --git a/modules/cnn_3dobj/samples/demo_sphereview_data.cpp b/modules/cnn_3dobj/samples/demo_sphereview_data.cpp
index c9bdebb8f..4f12e0320 100755
--- a/modules/cnn_3dobj/samples/demo_sphereview_data.cpp
+++ b/modules/cnn_3dobj/samples/demo_sphereview_data.cpp
@@ -100,7 +100,7 @@ int main(int argc, char *argv[])
     "{rgb_use | 0 | Use RGB image or grayscale. }"
     "{num_class | 6 | Total number of classes of models. }"
     "{binary_out | 0 | Produce binaryfiles for images and label. }"
-    "{front_view | 0 | Take a special view of front angle}";
+    "{view_region | 0 | Take a special view of front or back angle}";
     /* Get parameters from comand line. */
     cv::CommandLineParser parser(argc, argv, keys);
     parser.about("Generating training data for CNN with triplet loss");
@@ -126,56 +126,88 @@ int main(int argc, char *argv[])
     int rgb_use = parser.get<int>("rgb_use");
     int num_class = parser.get<int>("num_class");
     int binary_out = parser.get<int>("binary_out");
-    int front_view = parser.get<int>("front_view");
+    int view_region = parser.get<int>("view_region");
     double obj_dist, bg_dist, y_range;
-    if (front_view)
+    if (view_region == 1 || view_region == 2)
     {
+        /* Set for TV */
         if (label_class == 12)
             obj_dist = 340;
         else
-            obj_dist = 240;
+            obj_dist = 250;
         ite_depth = ite_depth + 1;
         bg_dist = 700;
         y_range = 0.85;
     }
-    else
+    else if (view_region == 0)
     {
         obj_dist = 370;
         bg_dist = 400;
     }
+    if (label_class == 5 | label_class == 10 | label_class == 11 | label_class == 12)
+        ite_depth = ite_depth + 1;
     cv::cnn_3dobj::icoSphere ViewSphere(10,ite_depth);
     std::vector<cv::Point3d> campos;
     std::vector<cv::Point3d> campos_temp = ViewSphere.CameraPos;
-    if (semisphere)
+    /* Regular objects on the ground using a semisphere view system */
+    if (semisphere == 1)
     {
-        if (front_view)
+        if (view_region == 1)
         {
             for (int pose = 0; pose < static_cast<int>(campos_temp.size()); pose++)
             {
-                if (campos_temp.at(pose).z >= 0 && campos_temp.at(pose).z < z_range && (campos_temp.at(pose).y < -y_range || campos_temp.at(pose).y > y_range))
+                if (campos_temp.at(pose).z >= 0 && campos_temp.at(pose).z < z_range && campos_temp.at(pose).y < -y_range)
                     campos.push_back(campos_temp.at(pose));
             }
         }
-        else
+        else if (view_region == 2)
         {
             for (int pose = 0; pose < static_cast<int>(campos_temp.size()); pose++)
             {
-                if (campos_temp.at(pose).z >= 0 && campos_temp.at(pose).z < z_range)
+                if (campos_temp.at(pose).z >= 0 && campos_temp.at(pose).z < z_range && campos_temp.at(pose).y > y_range)
+                campos.push_back(campos_temp.at(pose));
+            }
+        }
+        else
+        {
+            /* Set for sofa */
+            if (label_class == 10)
+            {
+                for (int pose = 0; pose < static_cast<int>(campos_temp.size()); pose++)
+                {
+                    if (campos_temp.at(pose).z >= 0 && campos_temp.at(pose).z < z_range && campos_temp.at(pose).y < -0.4)
                     campos.push_back(campos_temp.at(pose));
+                }
+            }
+            else
+            {
+                for (int pose = 0; pose < static_cast<int>(campos_temp.size()); pose++)
+                {
+                    if (campos_temp.at(pose).z >= 0 && campos_temp.at(pose).z < z_range)
+                        campos.push_back(campos_temp.at(pose));
+                }
             }
         }
     }
+    /* Special object such as plane using a full space of view sphere */
     else
     {
-        if (front_view)
+        if (view_region == 1)
         {
-            obj_dist = 200;
             for (int pose = 0; pose < static_cast<int>(campos_temp.size()); pose++)
             {
-                if (campos_temp.at(pose).z < 0.2 && campos_temp.at(pose).z > -0.2 && (campos_temp.at(pose).y < -y_range || campos_temp.at(pose).y > y_range))
+                if (campos_temp.at(pose).z < 0.2 && campos_temp.at(pose).z > -0.2 && campos_temp.at(pose).y < -y_range)
                     campos.push_back(campos_temp.at(pose));
             }
         }
+        else if (view_region == 2)
+        {
+            for (int pose = 0; pose < static_cast<int>(campos_temp.size()); pose++)
+            {
+                if (campos_temp.at(pose).z < 0.2 && campos_temp.at(pose).z > -0.2 && campos_temp.at(pose).y > y_range)
+                campos.push_back(campos_temp.at(pose));
+            }
+        }
         else
         {
             for (int pose = 0; pose < static_cast<int>(campos_temp.size()); pose++)
@@ -251,9 +283,9 @@ int main(int argc, char *argv[])
             imglabel << filename << ' ' << label_class << endl;
             filename = imagedir + filename;
             /* Get the pose of the camera using makeCameraPoses. */
-            if (front_view)
+            if (view_region != 0)
             {
-                cam_focal_point.y = cam_focal_point.y - label_x/30;
+                cam_focal_point.x = cam_focal_point.y - label_x/5;
             }
             Affine3f cam_pose = viz::makeCameraPose(campos.at(pose)*obj_dist+cam_focal_point, cam_focal_point, cam_y_dir*obj_dist+cam_focal_point);
             /* Get the transformation matrix from camera coordinate system to global. */
@@ -276,7 +308,8 @@ int main(int argc, char *argv[])
             if (bakgrdir.size() != 0)
             {
                 cv::Mat img_bg = cv::imread(name_bkg.at(rand()%name_bkg.size()));
-                cv::viz::WImage3D background_widget(img_bg, Size2d(image_size*4, image_size*4), Vec3d(-campos.at(pose)*bg_dist-cam_focal_point), Vec3d(campos.at(pose)*bg_dist+cam_focal_point), Vec3d(0,0,-100));
+                /* Back ground images has a distance of 2 times of radius of camera view distance */
+                cv::viz::WImage3D background_widget(img_bg, Size2d(image_size*4.2, image_size*4.2), Vec3d(-campos.at(pose)*bg_dist+cam_focal_point), Vec3d(campos.at(pose)*bg_dist-cam_focal_point), Vec3d(0,0,-1)*bg_dist+Vec3d(0,2*cam_focal_point.y,0));
                 myWindow.showWidget("bgwidget", background_widget, cloud_pose_global);
             }
             // mesh_widget.setRenderingProperty(viz::LINE_WIDTH, 4.0);