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Added accuracy and performance tests for DFT all modes.

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This commit is contained in:
Alexander Karsakov
2014-07-24 13:11:58 +04:00
parent da1ac35930
commit e51c0810b6
2 changed files with 73 additions and 29 deletions
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37
modules/core/perf/opencl/perf_dxt.cpp
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@@ -54,23 +54,42 @@ namespace ocl {
///////////// dft ////////////////////////
typedef tuple<Size, int> DftParams;
enum OCL_FFT_TYPE
{
R2R = 0,
C2R = 1,
R2C = 2,
C2C = 3
};
typedef tuple<OCL_FFT_TYPE, Size, int> DftParams;
typedef TestBaseWithParam<DftParams> DftFixture;
OCL_PERF_TEST_P(DftFixture, Dft, ::testing::Combine(Values(OCL_SIZE_1, OCL_SIZE_2, OCL_SIZE_3),
Values((int)DFT_ROWS, (int)DFT_SCALE, (int)DFT_INVERSE,
(int)DFT_INVERSE | DFT_SCALE, (int)DFT_ROWS | DFT_INVERSE)))
OCL_PERF_TEST_P(DftFixture, Dft, ::testing::Combine(Values(C2C, R2R, C2R, R2C),
Values(OCL_SIZE_1, OCL_SIZE_2, OCL_SIZE_3, Size(512, 512), Size(1024, 1024), Size(2048, 2048)),
Values((int) 0, (int)DFT_ROWS, (int)DFT_SCALE, (int)DFT_INVERSE,
(int)DFT_INVERSE | DFT_SCALE, (int)DFT_ROWS | DFT_INVERSE)))
{
const DftParams params = GetParam();
const Size srcSize = get<0>(params);
const int flags = get<1>(params);
const int dft_type = get<0>(params);
const Size srcSize = get<1>(params);
int flags = get<2>(params);
UMat src(srcSize, CV_32FC2), dst(srcSize, CV_32FC2);
int in_cn, out_cn;
switch (dft_type)
{
case R2R: flags |= cv::DFT_REAL_OUTPUT; in_cn = 1; out_cn = 1; break;
case C2R: flags |= cv::DFT_REAL_OUTPUT; in_cn = 2; out_cn = 2; break;
case R2C: flags |= cv::DFT_COMPLEX_OUTPUT; in_cn = 1; out_cn = 2; break;
case C2C: flags |= cv::DFT_COMPLEX_OUTPUT; in_cn = 2; out_cn = 2; break;
}
UMat src(srcSize, CV_MAKE_TYPE(CV_32F, in_cn)), dst(srcSize, CV_MAKE_TYPE(CV_32F, out_cn));
declare.in(src, WARMUP_RNG).out(dst);
OCL_TEST_CYCLE() cv::dft(src, dst, flags | DFT_COMPLEX_OUTPUT);
OCL_TEST_CYCLE() cv::dft(src, dst, flags);
SANITY_CHECK(dst, 1e-3);
SANITY_CHECK(dst, 1e-5, ERROR_RELATIVE);
}
///////////// MulSpectrums ////////////////////////