public void cuda_MatchTemplate() { Mat image = Image("lenna.png", ImreadModes.Grayscale); Mat templ = image.RowRange(60, 80).ColRange(60, 80); Size size = image.Size(); using (GpuMat g_src = new GpuMat(size, image.Type())) using (GpuMat d_dst = new GpuMat()) { g_src.Upload(image); TemplateMatching alg = TemplateMatching.create(g_src.Type(), TemplateMatchModes.CCoeff); GpuMat g_templ = new GpuMat(); g_templ.Upload(templ); alg.match(g_src, g_templ, d_dst); Mat dst_gold = new Mat(); Cv2.MatchTemplate(image, templ, dst_gold, TemplateMatchModes.CCoeff); ImageEquals(g_templ, templ); ShowImagesWhenDebugMode(g_templ, templ); } }