Mercurial Hosting > traffic-intelligence
diff c/optical-flow.cpp @ 10:068cf45c3f1b
added optical flow skeleton (test to reach a frame with cvqueryframe (fast for small resolutions)
author | Nicolas Saunier <nico@confins.net> |
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date | Mon, 09 Nov 2009 01:56:25 -0500 |
parents | |
children | e77e2fd69b02 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/c/optical-flow.cpp Mon Nov 09 01:56:25 2009 -0500 @@ -0,0 +1,40 @@ +#include "cvutils.hpp" + +#include "opencv/cv.h" +#include "opencv/highgui.h" + +#include <iostream> +#include <ctime> + +using namespace std; + + +int main(int argc, char *argv[]) { + //cout << "Hello World" << endl; + + CvCapture *inputVideo = cvCaptureFromFile(argv[1]); + + IplImage* frame = cvQueryFrame(inputVideo); + //IplImage* bwFrame = allocateImage(frame->width, frame->height, IPL_DEPTH_8U, 1); + + int frameNum = 0; + time_t seconds; + time_t t0 = time(NULL); + while (frame) { + if (frameNum%1000 == 0) { + seconds = time(NULL)-t0; + + cout << frameNum << " " << seconds << endl; + } +// cvConvertImage(frame, bwFrame); + +// for (int i=0; i<frame->height; ++i) +// for (int j=0; j<frame->width; ++j) +// int gray = cvGetReal2D(bwFrame, i, j); + + frame = cvQueryFrame(inputVideo); + frameNum++; + } + + return 1; +}