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c++ Programming Glossary: cvqueryframeSetting ROI with mouse from a rectangle on a video http://stackoverflow.com/questions/10881397/setting-roi-with-mouse-from-a-rectangle-on-a-video 1 CvCapture capture cvCreateFileCapture C video.mp4 image cvQueryFrame capture IplImage temp cvCloneImage image Set up the callback.. cvMoveWindow Example2 150 150 while 1 frame2 cvQueryFrame capture draw_box frame2 box if frame2 break cvShowImage Example2.. printf Failed cvCaptureFromCAM n return 1 IplImage image cvQueryFrame capture if image printf Failed cvQueryFrame #1 n return 2 IplImage..
Better algorithm for edge filter in video programming http://stackoverflow.com/questions/12971093/better-algorithm-for-edge-filter-in-video-programming Cannot find any camera. n return 1 while 1 IplImage img cvQueryFrame cam if img NULL return 1 IplImage src_gray cvCreateImage cvSize..
http://stackoverflow.com/questions/3907028/opencv-process-every-frame IplImage frame 0 char key 0 while key 27 ESC frame cvQueryFrame capture if frame fprintf stderr cvQueryFrame failed n break.. ESC frame cvQueryFrame capture if frame fprintf stderr cvQueryFrame failed n break Execute callback on each frame IplImage processed_frame.. 0 IplImage frame 0 char key 0 while key 27 ESC frame cvQueryFrame capture if frame fprintf stderr cvQueryFrame failed n break..
openCV: How to split a video into image sequence? http://stackoverflow.com/questions/4350698/opencv-how-to-split-a-video-into-image-sequence alternatively to cvGrabFrame cvRetrieveFrame could use cvQueryFrame save the file or do something with it... cvSaveImage some_file_name_with_seq_nr..
OpenCV - getting the slider to update its position during video playback http://stackoverflow.com/questions/5047913/opencv-getting-the-slider-to-update-its-position-during-video-playback frames onTrackbarSlide IplImage frame while 1 frame cvQueryFrame g_capture if frame break cvSetTrackbarPos Position The Tom.. no_of_frames onTrackbarSlide IplImage frame while 1 frame cvQueryFrame video_capture if frame break cvShowImage Video frame cvSetTrackbarPos..
http://stackoverflow.com/questions/5490655/draw-on-webcam-using-opencv 0 cvSetMouseCallback Demo on_mouse 0 for frame cvQueryFrame input if image image cvCreateImage cvSize frame width frame..
http://stackoverflow.com/questions/6022423/mjpeg-streaming-and-decoding key 'q' double t1 double cvGetTickCount get a frame frame cvQueryFrame capture double t2 double cvGetTickCount printf time gms fps..
OpenCV 2.3 C++ Visual Studio 2010 http://stackoverflow.com/questions/7011238/opencv-2-3-c-visual-studio-2010 mainWin 5 5 while 1 retrieve the captured frame img cvQueryFrame capture show the image in the window cvShowImage mainWin img..
Masking a blob from a binary image http://stackoverflow.com/questions/9372687/masking-a-blob-from-a-binary-image walking CV_WINDOW_AUTOSIZE while 1 color_frame cvQueryFrame capture Grabs the frame from a file if color_frame break gray_frame..
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