mirror of
https://github.com/opencv/opencv.git
synced 2024-12-30 21:25:58 +08:00
107 lines
4.0 KiB
C++
107 lines
4.0 KiB
C++
/*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) 2010-2012, Multicoreware, Inc., all rights reserved.
|
|
// Copyright (C) 2010-2012, Advanced Micro Devices, Inc., all rights reserved.
|
|
// Third party copyrights are property of their respective owners.
|
|
//
|
|
// @Authors
|
|
// Peng Xiao, pengxiao@multicorewareinc.com
|
|
//
|
|
// 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 oclMaterials 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"
|
|
using namespace std;
|
|
#ifdef HAVE_CLAMDFFT
|
|
////////////////////////////////////////////////////////////////////////////
|
|
// Dft
|
|
PARAM_TEST_CASE(Dft, cv::Size, int)
|
|
{
|
|
cv::Size dft_size;
|
|
int dft_flags;
|
|
virtual void SetUp()
|
|
{
|
|
dft_size = GET_PARAM(0);
|
|
dft_flags = GET_PARAM(1);
|
|
}
|
|
};
|
|
|
|
TEST_P(Dft, C2C)
|
|
{
|
|
cv::Mat a = randomMat(dft_size, CV_32FC2, 0.0, 100.0);
|
|
cv::Mat b_gold;
|
|
|
|
cv::ocl::oclMat d_b;
|
|
|
|
cv::dft(a, b_gold, dft_flags);
|
|
cv::ocl::dft(cv::ocl::oclMat(a), d_b, a.size(), dft_flags);
|
|
EXPECT_MAT_NEAR(b_gold, cv::Mat(d_b), a.size().area() * 1e-4);
|
|
}
|
|
|
|
TEST_P(Dft, R2C)
|
|
{
|
|
cv::Mat a = randomMat(dft_size, CV_32FC1, 0.0, 100.0);
|
|
cv::Mat b_gold, b_gold_roi;
|
|
|
|
cv::ocl::oclMat d_b, d_c;
|
|
cv::ocl::dft(cv::ocl::oclMat(a), d_b, a.size(), dft_flags);
|
|
cv::dft(a, b_gold, cv::DFT_COMPLEX_OUTPUT | dft_flags);
|
|
|
|
b_gold_roi = b_gold(cv::Rect(0, 0, d_b.cols, d_b.rows));
|
|
EXPECT_MAT_NEAR(b_gold_roi, cv::Mat(d_b), a.size().area() * 1e-4);
|
|
|
|
cv::Mat c_gold;
|
|
cv::dft(b_gold, c_gold, cv::DFT_INVERSE | cv::DFT_REAL_OUTPUT | cv::DFT_SCALE);
|
|
EXPECT_MAT_NEAR(b_gold_roi, cv::Mat(d_b), a.size().area() * 1e-4);
|
|
}
|
|
|
|
TEST_P(Dft, R2CthenC2R)
|
|
{
|
|
cv::Mat a = randomMat(dft_size, CV_32FC1, 0.0, 10.0);
|
|
|
|
cv::ocl::oclMat d_b, d_c;
|
|
cv::ocl::dft(cv::ocl::oclMat(a), d_b, a.size(), 0);
|
|
cv::ocl::dft(d_b, d_c, a.size(), cv::DFT_SCALE | cv::DFT_INVERSE | cv::DFT_REAL_OUTPUT);
|
|
EXPECT_MAT_NEAR(a, d_c, a.size().area() * 1e-4);
|
|
}
|
|
|
|
|
|
INSTANTIATE_TEST_CASE_P(OCL_ImgProc, Dft, testing::Combine(
|
|
testing::Values(cv::Size(2, 3), cv::Size(5, 4), cv::Size(25, 20), cv::Size(512, 1), cv::Size(1024, 768)),
|
|
testing::Values(0, (int)cv::DFT_ROWS, (int)cv::DFT_SCALE) ));
|
|
|
|
#endif // HAVE_CLAMDFFT
|