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