96 lines
4.4 KiB
C++
96 lines
4.4 KiB
C++
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/*M///////////////////////////////////////////////////////////////////////////////////////
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//
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// IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING.
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//
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// By downloading, copying, installing or using the software you agree to this license.
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// If you do not agree to this license, do not download, install,
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// copy or use the software.
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//
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//
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// Intel License Agreement
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// For Open Source Computer Vision Library
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//
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// Copyright (C) 2000, Intel Corporation, all rights reserved.
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// Third party copyrights are property of their respective owners.
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//
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// Redistribution and use in source and binary forms, with or without modification,
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// are permitted provided that the following conditions are met:
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//
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// * Redistribution's of source code must retain the above copyright notice,
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// this list of conditions and the following disclaimer.
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//
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// * Redistribution's in binary form must reproduce the above copyright notice,
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// this list of conditions and the following disclaimer in the documentation
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// and/or other materials provided with the distribution.
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//
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// * The name of Intel Corporation may not be used to endorse or promote products
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// derived from this software without specific prior written permission.
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//
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// This software is provided by the copyright holders and contributors "as is" and
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// any express or implied warranties, including, but not limited to, the implied
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// warranties of merchantability and fitness for a particular purpose are disclaimed.
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// In no event shall the Intel Corporation or contributors be liable for any direct,
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// indirect, incidental, special, exemplary, or consequential damages
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// (including, but not limited to, procurement of substitute goods or services;
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// loss of use, data, or profits; or business interruption) however caused
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// and on any theory of liability, whether in contract, strict liability,
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// or tort (including negligence or otherwise) arising in any way out of
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// the use of this software, even if advised of the possibility of such damage.
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//
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//M*/
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#include "test_precomp.hpp"
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using namespace std;
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using namespace cv;
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using namespace cv::gpu;
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TEST(blendLinear, accuracy_on_8U)
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{
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Size size(607, 1021);
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RNG rng(0);
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for (int cn = 1; cn <= 4; ++cn)
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{
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Mat img1 = cvtest::randomMat(rng, size, CV_MAKE_TYPE(CV_8U, cn), 0, 255, false);
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Mat img2 = cvtest::randomMat(rng, size, CV_MAKE_TYPE(CV_8U, cn), 0, 255, false);
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Mat weights1 = cvtest::randomMat(rng, size, CV_32F, 0, 1, false);
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Mat weights2 = cvtest::randomMat(rng, size, CV_32F, 0, 1, false);
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Mat result_gold(size, CV_MAKE_TYPE(CV_8U, cn));
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for (int y = 0; y < size.height; ++y)
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for (int x = 0; x < size.width * cn; ++x)
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{
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float w1 = weights1.at<float>(y, x / cn);
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float w2 = weights2.at<float>(y, x / cn);
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result_gold.at<uchar>(y, x) = static_cast<uchar>(
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(img1.at<uchar>(y, x) * w1 + img2.at<uchar>(y, x) * w2) / (w1 + w2 + 1e-5f));
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}
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GpuMat d_result;
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blendLinear(GpuMat(img1), GpuMat(img2), GpuMat(weights1), GpuMat(weights2), d_result);
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ASSERT_LE(cvtest::norm(result_gold, Mat(d_result), NORM_INF), 1) << ", cn=" << cn;
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}
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}
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TEST(blendLinear, accuracy_on_32F)
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{
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Size size(607, 1021);
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RNG rng(0);
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for (int cn = 1; cn <= 4; ++cn)
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{
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Mat img1 = cvtest::randomMat(rng, size, CV_MAKE_TYPE(CV_32F, cn), 0, 1, false);
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Mat img2 = cvtest::randomMat(rng, size, CV_MAKE_TYPE(CV_32F, cn), 0, 1, false);
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Mat weights1 = cvtest::randomMat(rng, size, CV_32F, 0, 1, false);
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Mat weights2 = cvtest::randomMat(rng, size, CV_32F, 0, 1, false);
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Mat result_gold(size, CV_MAKE_TYPE(CV_32F, cn));
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for (int y = 0; y < size.height; ++y)
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for (int x = 0; x < size.width * cn; ++x)
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{
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float w1 = weights1.at<float>(y, x / cn);
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float w2 = weights2.at<float>(y, x / cn);
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result_gold.at<float>(y, x) =
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(img1.at<float>(y, x) * w1 + img2.at<float>(y, x) * w2) / (w1 + w2 + 1e-5f);
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}
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GpuMat d_result;
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blendLinear(GpuMat(img1), GpuMat(img2), GpuMat(weights1), GpuMat(weights2), d_result);
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ASSERT_LE(cvtest::norm(result_gold, Mat(d_result), NORM_INF), 1e-3) << ", cn=" << cn;
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}
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}
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