#include<cv.h> #include<highgui.h> #pragma comment(lib, "cv.lib") #pragma comment(lib, "cxcore.lib") #pragma comment(lib, "highgui.lib") int main() { CvPoint2D32f srcTri[4], dstTri[4]; CvMat* warp_mat = cvCreateMat (3, 3, CV_32FC1); IplImage* src = NULL; IplImage* dst = NULL; src = cvLoadImage ("test.png", 1); dst = cvCloneImage (src); dst->origin = src->origin; cvZero (dst); srcTri[0].x = 0; srcTri[0].y = 0; srcTri[1].x = src->width - 1; srcTri[1].y = 0; srcTri[2].x = 0; srcTri[2].y = src->height - 1; srcTri[3].x = src->width - 1; srcTri[3].y = src->height - 1; dstTri[0].x = src->width * 0.05; dstTri[0].y = src->height * 0.33; dstTri[1].x = src->width * 0.9; dstTri[1].y = src->height * 0.25; dstTri[2].x = src->width * 0.2; dstTri[2].y = src->height * 0.7; dstTri[3].x = src->width * 0.8; dstTri[3].y = src->height * 0.9; cvGetPerspectiveTransform (srcTri, dstTri, warp_mat); cvWarpPerspective (src, dst, warp_mat); cvNamedWindow("src", 1); cvShowImage("src", src); cvNamedWindow ("Affine_Transform", 1); cvShowImage ("Affine_Transform", dst); cvWaitKey (0); cvReleaseImage (&src); cvReleaseImage (&dst); cvReleaseMat (&warp_mat); return 0; }