65     Mat original = imread(original_path, IMREAD_GRAYSCALE);  in TEST()  local
68     ASSERT_FALSE(original.empty()) << "Could not load input image " << original_path;  in TEST()
72     fastNlMeansDenoising(original, result, 10);  in TEST()
85     Mat original = imread(original_path, IMREAD_COLOR);  in TEST()  local
88     ASSERT_FALSE(original.empty()) << "Could not load input image " << original_path;  in TEST()
92     fastNlMeansDenoisingColored(original, result, 10, 10);  in TEST()
108     vector<Mat> original(imgs_count);  in TEST()  local
112         original[i] = imread(original_path, IMREAD_GRAYSCALE);  in TEST()
113         ASSERT_FALSE(original[i].empty()) << "Could not load input image " << original_path;  in TEST()
117     fastNlMeansDenoisingMulti(original, result, imgs_count / 2, imgs_count, 15);  in TEST()
133     vector<Mat> original(imgs_count);  in TEST()  local
137         original[i] = imread(original_path, IMREAD_COLOR);  in TEST()
138         ASSERT_FALSE(original[i].empty()) << "Could not load input image " << original_path;  in TEST()
142     fastNlMeansDenoisingColoredMulti(original, result, imgs_count / 2, imgs_count, 10, 15);  in TEST()