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compare cv::gpu::calcHist with cv::calcHist

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This commit is contained in:
Vladislav Vinogradov 2013-08-01 13:58:46 +04:00
parent 9b5d1596dc
commit c8d1fccdac
2 changed files with 21 additions and 20 deletions
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12
modules/gpu/perf/perf_imgproc.cpp
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@ -562,7 +562,17 @@ PERF_TEST_P(Sz, ImgProc_CalcHist,
}
else
{
FAIL_NO_CPU();
cv::Mat dst;
const int hbins = 256;
const float hranges[] = {0.0f, 256.0f};
const int histSize[] = {hbins};
const float* ranges[] = {hranges};
const int channels[] = {0};
TEST_CYCLE() cv::calcHist(&src, 1, channels, cv::Mat(), dst, 1, histSize, ranges);
CPU_SANITY_CHECK(dst);
}
}

29
modules/gpu/test/test_imgproc.cpp
View File

@ -133,24 +133,6 @@ INSTANTIATE_TEST_CASE_P(GPU_ImgProc, HistEven, ALL_DEVICES);
///////////////////////////////////////////////////////////////////////////////////////////////////////
// CalcHist
namespace
{
void calcHistGold(const cv::Mat& src, cv::Mat& hist)
{
hist.create(1, 256, CV_32SC1);
hist.setTo(cv::Scalar::all(0));
int* hist_row = hist.ptr<int>();
for (int y = 0; y < src.rows; ++y)
{
const uchar* src_row = src.ptr(y);
for (int x = 0; x < src.cols; ++x)
++hist_row[src_row[x]];
}
}
}
PARAM_TEST_CASE(CalcHist, cv::gpu::DeviceInfo, cv::Size)
{
cv::gpu::DeviceInfo devInfo;
@ -174,7 +156,16 @@ GPU_TEST_P(CalcHist, Accuracy)
cv::gpu::calcHist(loadMat(src), hist);
cv::Mat hist_gold;
calcHistGold(src, hist_gold);
const int hbins = 256;
const float hranges[] = {0.0f, 256.0f};
const int histSize[] = {hbins};
const float* ranges[] = {hranges};
const int channels[] = {0};
cv::calcHist(&src, 1, channels, cv::Mat(), hist_gold, 1, histSize, ranges);
hist_gold = hist_gold.reshape(1, 1);
hist_gold.convertTo(hist_gold, CV_32S);
EXPECT_MAT_NEAR(hist_gold, hist, 0.0);
}