44 lines
1.2 KiB
C++
44 lines
1.2 KiB
C++
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// This file is part of OpenCV project.
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// It is subject to the license terms in the LICENSE file found in the top-level directory
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// of this distribution and at http://opencv.org/license.html.
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#include "test_precomp.hpp"
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namespace opencv_test { namespace {
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using namespace cv::xphoto;
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#ifdef OPENCV_ENABLE_NONFREE
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void loadImage(string path, Mat &img)
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{
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img = imread(path, -1);
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ASSERT_FALSE(img.empty()) << "Could not load input image " << path;
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}
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void checkEqual(Mat img0, Mat img1, double threshold, const string& name)
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{
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double max = 1.0;
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minMaxLoc(abs(img0 - img1), NULL, &max);
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ASSERT_FALSE(max > threshold) << "max=" << max << " threshold=" << threshold << " method=" << name;
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}
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TEST(Photo_Tonemap, Durand_regression)
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{
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string test_path = string(cvtest::TS::ptr()->get_data_path()) + "cv/hdr/tonemap/";
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Mat img, expected, result;
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loadImage(test_path + "image.hdr", img);
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float gamma = 2.2f;
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Ptr<TonemapDurand> durand = createTonemapDurand(gamma);
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durand->process(img, result);
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loadImage(test_path + "durand.png", expected);
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result.convertTo(result, CV_8UC3, 255);
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checkEqual(result, expected, 3, "Durand");
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}
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#endif // OPENCV_ENABLE_NONFREE
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}} // namespace
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