opencv通道分离组合直方图均衡处理

opencv通道分离组合直方图均衡处理

int EqualizeHist(char*path){ int i; IplImage* src = cvLoadImage( path, 1 ); IplImage* imgChannel[4] = { 0, 0, 0, 0 }; IplImage* dst = cvCreateImage( cvGetSize( src ), IPL_DEPTH_8U, 3 ); if( src ) { for( i = 0; i < src -> nChannels; i++ ) { imgChannel[i] = cvCreateImage( cvGetSize( src ), IPL_DEPTH_8U, 1 ); //要求单通道图像才能直方图均衡化 } //通道分离 cvSplit( src, imgChannel[0], imgChannel[1], imgChannel[2], imgChannel[3] ); for( i = 0; i < dst -> nChannels; i++ ) { //直方图均衡化，原始图像和目标图像必须是单通道 cvEqualizeHist( imgChannel[i], imgChannel[i] ); } //通道组合 cvMerge( imgChannel[0], imgChannel[1], imgChannel[2], imgChannel[3], dst ); cvNamedWindow( "src", 1 ); cvShowImage( "src", src ); cvNamedWindow( "Equalize", 1 ); cvShowImage( "Equalize", dst ); cvWaitKey(0); //释放资源 for( i = 0; i < src -> nChannels; i++ ) { if( imgChannel[i] ) { cvReleaseImage( &imgChannel[i] ); //imgChannel[i] = 0; } } cvReleaseImage( &dst ); } return 0;}

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