/*M/////////////////////////////////////////////////////////////////////////////////////// // // IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING. // // By downloading, copying, installing or using the software you agree to this license. // If you do not agree to this license, do not download, install, // copy or use the software. // // // License Agreement // For Open Source Computer Vision Library // // Copyright (C) 2000-2008, Intel Corporation, all rights reserved. // Copyright (C) 2009, Willow Garage Inc., all rights reserved. // Third party copyrights are property of their respective owners. // // Redistribution and use in source and binary forms, with or without modification, // are permitted provided that the following conditions are met: // // * Redistribution's of source code must retain the above copyright notice, // this list of conditions and the following disclaimer. // // * Redistribution's in binary form must reproduce the above copyright notice, // this list of conditions and the following disclaimer in the documentation // and/or other materials provided with the distribution. // // * The name of the copyright holders may not be used to endorse or promote products // derived from this software without specific prior written permission. // // This software is provided by the copyright holders and contributors "as is" and // any express or implied warranties, including, but not limited to, the implied // warranties of merchantability and fitness for a particular purpose are disclaimed. // In no event shall the Intel Corporation or contributors be liable for any direct, // indirect, incidental, special, exemplary, or consequential damages // (including, but not limited to, procurement of substitute goods or services; // loss of use, data, or profits; or business interruption) however caused // and on any theory of liability, whether in contract, strict liability, // or tort (including negligence or otherwise) arising in any way out of // the use of this software, even if advised of the possibility of such damage. // //M*/ #include "test_precomp.hpp" #ifdef HAVE_CUDA using namespace cvtest; //////////////////////////////////////////////////////////////////////////// // Blend namespace { template void blendLinearGold(const cv::Mat& img1, const cv::Mat& img2, const cv::Mat& weights1, const cv::Mat& weights2, cv::Mat& result_gold) { result_gold.create(img1.size(), img1.type()); int cn = img1.channels(); for (int y = 0; y < img1.rows; ++y) { const float* weights1_row = weights1.ptr(y); const float* weights2_row = weights2.ptr(y); const T* img1_row = img1.ptr(y); const T* img2_row = img2.ptr(y); T* result_gold_row = result_gold.ptr(y); for (int x = 0; x < img1.cols * cn; ++x) { float w1 = weights1_row[x / cn]; float w2 = weights2_row[x / cn]; result_gold_row[x] = static_cast((img1_row[x] * w1 + img2_row[x] * w2) / (w1 + w2 + 1e-5f)); } } } } PARAM_TEST_CASE(Blend, cv::cuda::DeviceInfo, cv::Size, MatType, UseRoi) { cv::cuda::DeviceInfo devInfo; cv::Size size; int type; bool useRoi; virtual void SetUp() { devInfo = GET_PARAM(0); size = GET_PARAM(1); type = GET_PARAM(2); useRoi = GET_PARAM(3); cv::cuda::setDevice(devInfo.deviceID()); } }; GPU_TEST_P(Blend, Accuracy) { int depth = CV_MAT_DEPTH(type); cv::Mat img1 = randomMat(size, type, 0.0, depth == CV_8U ? 255.0 : 1.0); cv::Mat img2 = randomMat(size, type, 0.0, depth == CV_8U ? 255.0 : 1.0); cv::Mat weights1 = randomMat(size, CV_32F, 0, 1); cv::Mat weights2 = randomMat(size, CV_32F, 0, 1); cv::cuda::GpuMat result; cv::cuda::blendLinear(loadMat(img1, useRoi), loadMat(img2, useRoi), loadMat(weights1, useRoi), loadMat(weights2, useRoi), result); cv::Mat result_gold; if (depth == CV_8U) blendLinearGold(img1, img2, weights1, weights2, result_gold); else blendLinearGold(img1, img2, weights1, weights2, result_gold); EXPECT_MAT_NEAR(result_gold, result, CV_MAT_DEPTH(type) == CV_8U ? 1.0 : 1e-5); } INSTANTIATE_TEST_CASE_P(GPU_ImgProc, Blend, testing::Combine( ALL_DEVICES, DIFFERENT_SIZES, testing::Values(MatType(CV_8UC1), MatType(CV_8UC3), MatType(CV_8UC4), MatType(CV_32FC1), MatType(CV_32FC3), MatType(CV_32FC4)), WHOLE_SUBMAT)); #endif // HAVE_CUDA