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c++ Programming Glossary: nchannels

Setting ROI with mouse from a rectangle on a video

http://stackoverflow.com/questions/10881397/setting-roi-with-mouse-from-a-rectangle-on-a-video

IplImage img2 cvCreateImage cvGetSize temp temp depth temp nChannels cvNot temp temp copy subimage cvCopy temp temp NULL Main loop..

C++, Access Violation using OpenCV to get RGB value of pixel

http://stackoverflow.com/questions/3851604/c-access-violation-using-opencv-to-get-rgb-value-of-pixel

int blue uchar img imageData y img widthStep x img nChannels 0 int green uchar img imageData y img widthStep x img nChannels.. 0 int green uchar img imageData y img widthStep x img nChannels 1 int red uchar img imageData y img widthStep x img nChannels.. 1 int red uchar img imageData y img widthStep x img nChannels 2 int blue float img imageData i img widthStep j img nChannels..

C++, Negative RGB values of pixels using OpenCV

http://stackoverflow.com/questions/3859222/c-negative-rgb-values-of-pixels-using-opencv

test.png int pixels img height img width int channels img nChannels for int i 0 i pixels channels i channels unsigned char red img.. for int i 0 i img height i for int j 0 j img width j img nChannels unsigned char red img imageData i img widthStep j 2 unsigned..

OpenCV: process every frame

http://stackoverflow.com/questions/3907028/opencv-process-every-frame

cvSize frame width frame height frame depth frame nChannels if gray_frame fprintf stderr cvCreateImage failed n return NULL.. n return NULL for int i 0 i frame width frame height frame nChannels i frame nChannels gray_frame imageData i frame imageData i.. int i 0 i frame width frame height frame nChannels i frame nChannels gray_frame imageData i frame imageData i frame imageData i..

OpenCV compare two images and get different pixels

http://stackoverflow.com/questions/4550458/opencv-compare-two-images-and-get-different-pixels

y 0 for int x 0 x fIplImageHeader width fIplImageHeader nChannels x fIplImageHeader nChannels if row x row2 x row x 1 row2 x.. width fIplImageHeader nChannels x fIplImageHeader nChannels if row x row2 x row x 1 row2 x 1 row x 2 row2 x 2 count Now..

xutility file?

http://stackoverflow.com/questions/4707310/xutility-file

cvSize frame width frame height IPL_DEPTH_8U frame nChannels if frame origin IPL_ORIGIN_TL cvCopy frame frame_copy 0 else.. cvSize img width img height IPL_DEPTH_8U img nChannels IplImage gray cvCreateImage cvSize img width img height IPL_DEPTH_8U..

Audio output with video processing with opencv

http://stackoverflow.com/questions/8187745/audio-output-with-video-processing-with-opencv

void img imageData img width img height img depth img nChannels img widthStep 0xff0000 0x00ff00 0x0000ff 0 SDL_BlitSurface.. for int i 0 i ipl_frame.width ipl_frame.height ipl_frame.nChannels i ipl_frame.nChannels ipl_frame.imageData i ipl_frame.imageData.. ipl_frame.height ipl_frame.nChannels i ipl_frame.nChannels ipl_frame.imageData i ipl_frame.imageData i ipl_frame.imageData..

Decode audio and video and process both streams — ffmpeg, sdl, opencv

http://stackoverflow.com/questions/9429342/decode-audio-and-video-and-process-both-streams-ffmpeg-sdl-opencv

img imageData img width img height img depth img nChannels img widthStep 0xff0000 0x00ff00 0x0000ff 0 SDL_BlitSurface.. for int i 0 i ipl_frame.width ipl_frame.height ipl_frame.nChannels i ipl_frame.nChannels ipl_frame.imageData i ipl_frame.imageData.. ipl_frame.height ipl_frame.nChannels i ipl_frame.nChannels ipl_frame.imageData i ipl_frame.imageData i ipl_frame.imageData..