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106 lines
4.0 KiB
C++
106 lines
4.0 KiB
C++
/*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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// License Agreement
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// For Open Source Computer Vision Library
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//
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// Copyright (C) 2010-2012, Multicoreware, Inc., all rights reserved.
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// Copyright (C) 2010-2012, Advanced Micro Devices, Inc., all rights reserved.
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// Third party copyrights are property of their respective owners.
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//
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// @Authors
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// Peng Xiao, pengxiao@multicorewareinc.com
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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 the copyright holders 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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////////////////////////////////////////////////////////////////////////////
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// Dft
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PARAM_TEST_CASE(Dft, cv::Size, int)
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{
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cv::Size dft_size;
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int dft_flags;
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virtual void SetUp()
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{
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dft_size = GET_PARAM(0);
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dft_flags = GET_PARAM(1);
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}
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};
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OCL_TEST_P(Dft, C2C)
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{
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cv::Mat a = randomMat(dft_size, CV_32FC2, 0.0, 100.0);
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cv::Mat b_gold;
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cv::ocl::oclMat d_b;
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cv::dft(a, b_gold, dft_flags);
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cv::ocl::dft(cv::ocl::oclMat(a), d_b, a.size(), dft_flags);
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EXPECT_MAT_NEAR(b_gold, cv::Mat(d_b), a.size().area() * 1e-4);
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}
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OCL_TEST_P(Dft, R2C)
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{
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cv::Mat a = randomMat(dft_size, CV_32FC1, 0.0, 100.0);
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cv::Mat b_gold, b_gold_roi;
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cv::ocl::oclMat d_b, d_c;
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cv::ocl::dft(cv::ocl::oclMat(a), d_b, a.size(), dft_flags);
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cv::dft(a, b_gold, cv::DFT_COMPLEX_OUTPUT | dft_flags);
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b_gold_roi = b_gold(cv::Rect(0, 0, d_b.cols, d_b.rows));
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EXPECT_MAT_NEAR(b_gold_roi, cv::Mat(d_b), a.size().area() * 1e-4);
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cv::Mat c_gold;
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cv::dft(b_gold, c_gold, cv::DFT_INVERSE | cv::DFT_REAL_OUTPUT | cv::DFT_SCALE);
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EXPECT_MAT_NEAR(b_gold_roi, cv::Mat(d_b), a.size().area() * 1e-4);
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}
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OCL_TEST_P(Dft, R2CthenC2R)
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{
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cv::Mat a = randomMat(dft_size, CV_32FC1, 0.0, 10.0);
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cv::ocl::oclMat d_b, d_c;
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cv::ocl::dft(cv::ocl::oclMat(a), d_b, a.size(), 0);
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cv::ocl::dft(d_b, d_c, a.size(), cv::DFT_SCALE | cv::DFT_INVERSE | cv::DFT_REAL_OUTPUT);
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EXPECT_MAT_NEAR(a, d_c, a.size().area() * 1e-4);
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}
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INSTANTIATE_TEST_CASE_P(OCL_ImgProc, Dft, testing::Combine(
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testing::Values(cv::Size(2, 3), cv::Size(5, 4), cv::Size(25, 20), cv::Size(512, 1), cv::Size(1024, 768)),
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testing::Values(0, (int)cv::DFT_ROWS, (int)cv::DFT_SCALE) ));
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