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#include <stdio.h>
#include "cv.h"
#include "highgui.h"
CvHaarClassifierCascade *cascade;
CvHaarClassifierCascade *cascade2;
CvMemStorage *storage;
void detectFaces( IplImage *img );
int main( int argc, char** argv )
{
CvCapture *capture;
IplImage *frame;
int key;
char *filename = "haarcascade_frontalface_alt_tree.xml";
char *filename2 = "haarcascade_mcs_mouth.xml";
cascade = ( CvHaarClassifierCascade* )cvLoad( filename, 0, 0, 0 );
cascade2 = ( CvHaarClassifierCascade* )cvLoad( filename2, 0, 0, 0 );
storage = cvCreateMemStorage( 0 );
capture = cvCaptureFromCAM( 0 );
assert( cascade && storage && capture );
cvNamedWindow( "video", 1 );
while( key != 'q' ) {
frame = cvQueryFrame( capture );
if( !frame ) {
fprintf( stderr, "Cannot query frame!\n" );
break;
}
cvFlip( frame, frame, -1 );
frame->origin = 0;
detectFaces( frame );
key = cvWaitKey( 10 );
}
cvReleaseCapture( &capture );
cvDestroyWindow( "video" );
cvReleaseHaarClassifierCascade( &cascade );
cvReleaseMemStorage( &storage );
return 0;
}
void detectFaces( IplImage *img )
{
int i;
CvSeq *faces = cvHaarDetectObjects(
img,
cascade,
storage,
1.1,
3,
0 /*CV_HAAR_DO_CANNY_PRUNNING*/,
cvSize(40,40) );
for( i = 0 ; i < ( faces ? faces->total : 0 ) ; i++ ) {
CvRect *r = ( CvRect* )cvGetSeqElem( faces, i );
cvRectangle( img,
cvPoint( r->x, r->y ),
cvPoint( r->x + r->width, r->y + r->height ),
CV_RGB( 255, 0, 0 ), 1, 8, 0 );
}
int j;
CvSeq *eye = cvHaarDetectObjects(
img,
cascade2,
storage,
1.1,
3,
0 /*CV_HAAR_DO_CANNY_PRUNNING*/,
cvSize(40,40) );
for( j = 0 ; j < ( eye ? eye->total : 0 ) ; j++ ) {
CvRect *r = ( CvRect* )cvGetSeqElem( eye, j );
cvRectangle( img,
cvPoint( r->x, r->y ),
cvPoint( r->x + r->width, r->y + r->height ),
CV_RGB( 10, 0, 0 ), 1, 8, 0 );
}
cvShowImage( "video", img );
} |
