vendor: OpenCV 5.0.0 snapshot at 755e50675d97db9b7d449d8bd6b09888646f6c6e

modules/ximgproc/test/test_anisodiff.cpp

@@ -0,0 +1,29 @@
+// This file is part of OpenCV project.
+// It is subject to the license terms in the LICENSE file found in the top-level directory
+// of this distribution and at http://opencv.org/license.html.
+#include "test_precomp.hpp"
+
+namespace opencv_test { namespace {
+
+TEST(ximgproc_AnisotropicDiffusion, regression)
+{
+    string folder = string(cvtest::TS::ptr()->get_data_path()) + "cv/shared/";
+    string original_path = folder + "fruits.png";
+
+    Mat original = imread(original_path, IMREAD_COLOR);
+
+    ASSERT_FALSE(original.empty()) << "Could not load input image " << original_path;
+    ASSERT_EQ(3, original.channels()) << "Load color input image " << original_path;
+
+    Mat result;
+    float alpha = 1.0f;
+    float K = 0.02f;
+    int niters = 10;
+    ximgproc::anisotropicDiffusion(original, result, alpha, K, niters);
+
+    double adiff_psnr = cvtest::PSNR(original, result);
+    //printf("psnr=%.2f\n", adiff_psnr);
+    ASSERT_GT(adiff_psnr, 25.0);
+}
+
+}} // namespace