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IplImage* laplace = 0;
IplImage* colorlaplace = 0;
IplImage* planes[3] = { 0, 0, 0 };
CvCapture* capture = 0;
char* c="C:\\video.avi" ;
capture = cvCaptureFromAVI( c);
//--si tu veux utiliser une webcam :
// capture = cvCaptureFromCAM
if( !capture )
{
fprintf(stderr,"OOps walou...\n");
return ;
}
cvNamedWindow( "Exemple Filtrage", 0 );
for(;;)
{
IplImage* frame = 0;
int i;
frame = cvQueryFrame( capture );
if( !frame )
break;
if( !laplace )
{
for( i = 0; i < 3; i++ )
planes[i] = cvCreateImage( cvSize(frame->width,frame->height), 8, 1 );
laplace = cvCreateImage( cvSize(frame->width,frame->height), IPL_DEPTH_16S, 1 );
colorlaplace = cvCreateImage( cvSize(frame->width,frame->height), 8, 3 );
}
cvCvtPixToPlane( frame, planes[0], planes[1], planes[2], 0 );
for( i = 0; i < 3; i++ )
{
cvLaplace( planes[i], laplace, 3 );
cvConvertScaleAbs( laplace, planes[i], 1, 0 );
}
cvCvtPlaneToPix( planes[0], planes[1], planes[2], 0, colorlaplace );
colorlaplace->origin = frame->origin;
cvShowImage("Exemple Filtrage", colorlaplace );
if( cvWaitKey(10) >= 0 )
break;
}
cvReleaseCapture( &capture );
cvDestroyWindow("Exemple Filtrage"); |
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