group contour articles together

doc/tutorials/imgproc/table_of_content_imgproc.markdown

@@ -243,65 +243,9 @@ In this section you will learn about the image processing (manipulation) functio
 
     Where we learn how to match templates in an image
 
--   @subpage tutorial_find_contours
+-   @subpage tutorial_table_of_contents_contours
 
-    *Languages:* C++, Java, Python
-
-    *Compatibility:* \> OpenCV 2.0
-
-    *Author:* Ana Huamán
-
-    Where we learn how to find contours of objects in our image
-
--    @subpage tutorial_hull
-
-    *Languages:* C++, Java, Python
-
-    *Compatibility:* \> OpenCV 2.0
-
-    *Author:* Ana Huamán
-
-    Where we learn how to get hull contours and draw them
-
--   @subpage tutorial_bounding_rects_circles
-
-    *Languages:* C++, Java, Python
-
-    *Compatibility:* \> OpenCV 2.0
-
-    *Author:* Ana Huamán
-
-    Where we learn how to obtain bounding boxes and circles for our contours
-
--   @subpage tutorial_bounding_rotated_ellipses
-
-    *Languages:* C++, Java, Python
-
-    *Compatibility:* \> OpenCV 2.0
-
-    *Author:* Ana Huamán
-
-    Where we learn how to obtain rotated bounding boxes and ellipses for our contours
-
--   @subpage tutorial_moments
-
-    *Languages:* C++, Java, Python
-
-    *Compatibility:* \> OpenCV 2.0
-
-    *Author:* Ana Huamán
-
-    Where we learn to calculate the moments of an image
-
--   @subpage tutorial_point_polygon_test
-
-    *Languages:* C++, Java, Python
-
-    *Compatibility:* \> OpenCV 2.0
-
-    *Author:* Ana Huamán
-
-    Where we learn how to calculate distances from the image to contours
+    Learn how to find contours in images and investigate their properties and features.
 
 -   @subpage tutorial_distance_transform
 

doc/tutorials/imgproc/table_of_contents_contours.markdown

@@ -0,0 +1,62 @@
+Contours in OpenCV {#tutorial_table_of_contents_contours}
+==================
+
+-   @subpage tutorial_find_contours
+
+    *Languages:* C++, Java, Python
+
+    *Compatibility:* \> OpenCV 2.0
+
+    *Author:* Ana Huamán
+
+    Where we learn how to find contours of objects in our image
+
+-    @subpage tutorial_hull
+
+    *Languages:* C++, Java, Python
+
+    *Compatibility:* \> OpenCV 2.0
+
+    *Author:* Ana Huamán
+
+    Where we learn how to get hull contours and draw them
+
+-   @subpage tutorial_bounding_rects_circles
+
+    *Languages:* C++, Java, Python
+
+    *Compatibility:* \> OpenCV 2.0
+
+    *Author:* Ana Huamán
+
+    Where we learn how to obtain bounding boxes and circles for our contours
+
+-   @subpage tutorial_bounding_rotated_ellipses
+
+    *Languages:* C++, Java, Python
+
+    *Compatibility:* \> OpenCV 2.0
+
+    *Author:* Ana Huamán
+
+    Where we learn how to obtain rotated bounding boxes and ellipses for our contours
+
+-   @subpage tutorial_moments
+
+    *Languages:* C++, Java, Python
+
+    *Compatibility:* \> OpenCV 2.0
+
+    *Author:* Ana Huamán
+
+    Where we learn to calculate the moments of an image
+
+-   @subpage tutorial_point_polygon_test
+
+    *Languages:* C++, Java, Python
+
+    *Compatibility:* \> OpenCV 2.0
+
+    *Author:* Ana Huamán
+
+    Where we learn how to calculate distances from the image to contours