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- int main( int argc, char** argv )
- {
- int col_1, row_1;
- uchar b_1, g_1, r_1, b_2, g_2, r_2, b_d, g_d, r_d;
- IplImage* img = cvLoadImage( "input file");
- IplImage* img1 = cvCreateImage( cvSize( img->width,img->height ), img->depth, img->nChannels);
- IplImage* img2 = cvCreateImage( cvSize( img->width,img->height ), img->depth, img->nChannels);
- IplImage* dst = cvCreateImage( cvSize( img->width,img->height ), img->depth, img->nChannels);
- IplImage* gray= cvCreateImage(cvGetSize(img), img->depth, 1);
- cvNamedWindow("Input", CV_WINDOW_AUTOSIZE );
- cvNamedWindow("Output", CV_WINDOW_AUTOSIZE );
- cvShowImage("Input", img );
- cvNot(img, img1);
- cvSmooth( img1, img2, CV_BLUR, 25,25,0,0);
- for( row_1 = 0; row_1 < img1->height; row_1++ )
- {
- for ( col_1 = 0; col_1 < img1->width; col_1++ )
- {
- b_1 = CV_IMAGE_ELEM( img1, uchar, row_1, col_1 * 3 );
- g_1 = CV_IMAGE_ELEM( img1, uchar, row_1, col_1 * 3 + 1 );
- r_1 = CV_IMAGE_ELEM( img1, uchar, row_1, col_1 * 3 + 2 );
- b_2 = CV_IMAGE_ELEM( img2, uchar, row_1, col_1 * 3 );
- g_2 = CV_IMAGE_ELEM( img2, uchar, row_1, col_1 * 3 + 1 );
- r_2 = CV_IMAGE_ELEM( img2, uchar, row_1, col_1 * 3 + 2 );
- b_d = b_1 + b_2;
- g_d = g_1 + g_2;
- r_d = r_1 + r_2;
- dst->imageData[img1->widthStep * row_1 + col_1* 3] = b_d;
- dst->imageData[img1->widthStep * row_1 + col_1 * 3 + 1] = g_d;
- dst->imageData[img1->widthStep * row_1 + col_1 * 3 + 2] = r_d;
- }
- }
- cvCvtColor(dst, gray, CV_BGR2GRAY);
- cvShowImage("Output", gray );
- cvWaitKey(0);
- cvReleaseImage( &img );
- cvReleaseImage( &gray);
- cvDestroyWindow("Input");
- cvDestroyWindow("Output");
- }
- #include <cv.h>
- #include <highgui.h>
- int main( int argc, char** argv )
- {
- int col_1, row_1;
- uchar b_1, g_1, r_1, b_2, g_2, r_2, b_d, g_d, r_d;
- IplImage* img = cvLoadImage("test.png");
- IplImage* img1 = cvCreateImage( cvSize( img->width,img->height ), img->depth, img->nChannels);
- IplImage* img2 = cvCreateImage( cvSize( img->width,img->height ), img->depth, img->nChannels);
- IplImage* dst = cvCreateImage( cvSize( img->width,img->height ), img->depth, img->nChannels);
- IplImage* gray= cvCreateImage(cvGetSize(img), img->depth, 1);
- cvNamedWindow("Input", CV_WINDOW_AUTOSIZE );
- cvNamedWindow("Output", CV_WINDOW_AUTOSIZE );
- cvShowImage("Input", img );
- cvNot(img, img1);
- // cvSmooth(img1, img2, CV_BLUR, 25,25,0,0);
- cvSmooth(img, img2, CV_GAUSSIAN, 7, 7, 0, 0); // last fix :)
- for( row_1 = 0; row_1 < img1->height; row_1++ )
- {
- for ( col_1 = 0; col_1 < img1->width; col_1++ )
- {
- b_1 = CV_IMAGE_ELEM( img1, uchar, row_1, col_1 * 3 );
- g_1 = CV_IMAGE_ELEM( img1, uchar, row_1, col_1 * 3 + 1 );
- r_1 = CV_IMAGE_ELEM( img1, uchar, row_1, col_1 * 3 + 2 );
- b_2 = CV_IMAGE_ELEM( img2, uchar, row_1, col_1 * 3 );
- g_2 = CV_IMAGE_ELEM( img2, uchar, row_1, col_1 * 3 + 1 );
- r_2 = CV_IMAGE_ELEM( img2, uchar, row_1, col_1 * 3 + 2 );
- // b_d = b_1 + b_2;
- // g_d = g_1 + g_2;
- // r_d = r_1 + r_2;
- b_d = std::min(255, b_1 + b_2);
- g_d = std::min(255, g_1 + g_2);
- r_d = std::min(255, r_1 + r_2);
- dst->imageData[img1->widthStep * row_1 + col_1* 3] = b_d;
- dst->imageData[img1->widthStep * row_1 + col_1 * 3 + 1] = g_d;
- dst->imageData[img1->widthStep * row_1 + col_1 * 3 + 2] = r_d;
- }
- }
- cvCvtColor(dst, gray, CV_BGR2GRAY);
- cvShowImage("Output", gray );
- cvWaitKey(0);
- cvReleaseImage( &img );
- cvReleaseImage( &img1 ); // Yes, you must release all the allocated memory.
- cvReleaseImage( &img2 );
- cvReleaseImage( &dst );
- cvReleaseImage( &gray);
- cvDestroyWindow("Input");
- cvDestroyWindow("Output");
- }
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