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Fixed gpu::matchTemplate for correct handling of big templates. Added tests

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This commit is contained in:
Alexey Spizhevoy
2012-03-26 09:19:33 +00:00
parent 098fc1a62e
commit 5434a9a5ec
4 changed files with 61 additions and 13 deletions
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46
modules/gpu/test/test_imgproc.cpp
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@@ -2775,6 +2775,52 @@ INSTANTIATE_TEST_CASE_P(ImgProc, MatchTemplate_CCOEF_NORMED, Combine(
ALL_DEVICES,
Values(std::make_pair(std::string("matchtemplate/source-0.png"), std::string("matchtemplate/target-0.png")))));
class MatchTemplate_CanFindBigTemplate : public TestWithParam<cv::gpu::DeviceInfo>
{
virtual void SetUp()
{
cv::gpu::setDevice(GetParam().deviceID());
}
};
TEST_P(MatchTemplate_CanFindBigTemplate, SQDIFF_NORMED)
{
cv::Mat scene = readImage("matchtemplate/scene.jpg");
cv::Mat templ = readImage("matchtemplate/template.jpg");
cv::gpu::GpuMat d_scene(scene), d_templ(templ), d_result;
cv::gpu::matchTemplate(d_scene, d_templ, d_result, CV_TM_SQDIFF_NORMED);
double minVal;
cv::Point minLoc;
cv::gpu::minMaxLoc(d_result, &minVal, 0, &minLoc, 0);
ASSERT_GE(minVal, 0);
ASSERT_LT(minVal, 1e-3);
ASSERT_EQ(344, minLoc.x);
ASSERT_EQ(0, minLoc.y);
}
TEST_P(MatchTemplate_CanFindBigTemplate, SQDIFF)
{
cv::Mat scene = readImage("matchtemplate/scene.jpg");
cv::Mat templ = readImage("matchtemplate/template.jpg");
cv::gpu::GpuMat d_scene(scene), d_templ(templ), d_result;
cv::gpu::matchTemplate(d_scene, d_templ, d_result, CV_TM_SQDIFF);
double minVal;
cv::Point minLoc;
cv::gpu::minMaxLoc(d_result, &minVal, 0, &minLoc, 0);
ASSERT_GE(minVal, 0);
ASSERT_EQ(344, minLoc.x);
ASSERT_EQ(0, minLoc.y);
}
INSTANTIATE_TEST_CASE_P(ImgProc, MatchTemplate_CanFindBigTemplate, ALL_DEVICES);
////////////////////////////////////////////////////////////////////////////
// MulSpectrums