diff --git a/samples/cpp/tutorial_code/objectDetection/objectDetection2.cpp b/samples/cpp/tutorial_code/objectDetection/objectDetection2.cpp index 6fc53cb236..39c8951737 100644 --- a/samples/cpp/tutorial_code/objectDetection/objectDetection2.cpp +++ b/samples/cpp/tutorial_code/objectDetection/objectDetection2.cpp @@ -18,8 +18,11 @@ void detectAndDisplay( Mat frame ); /** Global variables */ String face_cascade_name = "lbpcascade_frontalface.xml"; +String eyes_cascade_name = "haarcascade_eye_tree_eyeglasses.xml"; CascadeClassifier face_cascade; +CascadeClassifier eyes_cascade; string window_name = "Capture - Face detection"; + RNG rng(12345); /** @@ -32,6 +35,7 @@ int main( int argc, const char** argv ) //-- 1. Load the cascade if( !face_cascade.load( face_cascade_name ) ){ printf("--(!)Error loading\n"); return -1; }; + if( !eyes_cascade.load( eyes_cascade_name ) ){ printf("--(!)Error loading\n"); return -1; }; //-- 2. Read the video stream capture = cvCaptureFromCAM( -1 ); @@ -65,13 +69,31 @@ void detectAndDisplay( Mat frame ) cvtColor( frame, frame_gray, CV_BGR2GRAY ); equalizeHist( frame_gray, frame_gray ); + //-- Detect faces face_cascade.detectMultiScale( frame_gray, faces, 1.1, 2, 0, Size(80, 80) ); for( int i = 0; i < faces.size(); i++ ) { - Point center( faces[i].x + faces[i].width*0.5, faces[i].y + faces[i].height*0.5 ); - ellipse( frame, center, Size( faces[i].width*0.5, faces[i].height*0.5), 0, 0, 360, Scalar( 255, 0, 0 ), 2, 8, 0 ); + Mat faceROI = frame_gray( faces[i] ); + std::vector eyes; + + //-- In each face, detect eyes + eyes_cascade.detectMultiScale( faceROI, eyes, 1.1, 2, 0 |CV_HAAR_SCALE_IMAGE, Size(30, 30) ); + if( eyes.size() == 2) + { + //-- Draw the face + Point center( faces[i].x + faces[i].width*0.5, faces[i].y + faces[i].height*0.5 ); + ellipse( frame, center, Size( faces[i].width*0.5, faces[i].height*0.5), 0, 0, 360, Scalar( 255, 0, 0 ), 2, 8, 0 ); + + for( int j = 0; j < eyes.size(); j++ ) + { //-- Draw the eyes + Point center( faces[i].x + eyes[j].x + eyes[j].width*0.5, faces[i].y + eyes[j].y + eyes[j].height*0.5 ); + int radius = cvRound( (eyes[j].width + eyes[j].height)*0.25 ); + circle( frame, center, radius, Scalar( 255, 0, 255 ), 3, 8, 0 ); + } + } + } //-- Show what you got imshow( window_name, frame );