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#include "opencv2/imgproc/imgproc.hpp"
#include "opencv2/highgui/highgui.hpp"
#include "opencv2/imgproc/imgproc_c.h"
#include <ctype.h>
#include <stdio.h>
static void help( void )
{
printf("\nThis program illustrates Linear-Polar and Log-Polar image transforms\n"
"Usage :\n"
"./polar_transforms [[camera number -- Default 0],[AVI path_filename]]\n\n"
);
}
int main( int argc, char** argv )
{
CvCapture* capture = 0;
IplImage* log_polar_img = 0;
IplImage* lin_polar_img = 0;
IplImage* recovered_img = 0;
help();
if( argc == 1 || (argc == 2 && strlen(argv[1]) == 1 && isdigit(argv[1][0])))
capture = cvCaptureFromCAM( argc == 2 ? argv[1][0] - '0' : 0 );
else if( argc == 2 )
capture = cvCaptureFromAVI( argv[1] );
if( !capture )
{
fprintf(stderr,"Could not initialize capturing...\n");
fprintf(stderr,"Usage: %s <CAMERA_NUMBER> , or \n %s <VIDEO_FILE>\n",argv[0],argv[0]);
help();
return -1;
}
cvNamedWindow( "Linear-Polar", 0 );
cvNamedWindow( "Log-Polar", 0 );
cvNamedWindow( "Recovered image", 0 );
cvMoveWindow( "Linear-Polar", 20,20 );
cvMoveWindow( "Log-Polar", 700,20 );
cvMoveWindow( "Recovered image", 20,700 );
for(;;)
{
IplImage* frame = 0;
frame = cvQueryFrame( capture );
if( !frame )
break;
if( !log_polar_img )
{
log_polar_img = cvCreateImage( cvSize(frame->width,frame->height), IPL_DEPTH_8U, frame->nChannels );
lin_polar_img = cvCreateImage( cvSize(frame->width,frame->height), IPL_DEPTH_8U, frame->nChannels );
recovered_img = cvCreateImage( cvSize(frame->width,frame->height), IPL_DEPTH_8U, frame->nChannels );
}
cvLogPolar(frame,log_polar_img,cvPoint2D32f(frame->width >> 1,frame->height >> 1),70, CV_INTER_LINEAR+CV_WARP_FILL_OUTLIERS);
cvLinearPolar(frame,lin_polar_img,cvPoint2D32f(frame->width >> 1,frame->height >> 1),70, CV_INTER_LINEAR+CV_WARP_FILL_OUTLIERS);
#if 0
cvLogPolar(log_polar_img,recovered_img,cvPoint2D32f(frame->width >> 1,frame->height >> 1),70, CV_WARP_INVERSE_MAP+CV_INTER_LINEAR);
#else
cvLinearPolar(lin_polar_img,recovered_img,cvPoint2D32f(frame->width >> 1,frame->height >> 1),70, CV_WARP_INVERSE_MAP+CV_INTER_LINEAR+CV_WARP_FILL_OUTLIERS);
#endif
cvShowImage("Log-Polar", log_polar_img );
cvShowImage("Linear-Polar", lin_polar_img );
cvShowImage("Recovered image", recovered_img );
if( cvWaitKey(10) >= 0 )
break;
}
cvReleaseCapture( &capture );
cvDestroyWindow("Linear-Polar");
cvDestroyWindow("Log-Polar");
cvDestroyWindow("Recovered image");
return 0;
}
#ifdef _EiC
main(1,"laplace.c");
#endif
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