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Image pyramids upsampling optimization

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Add new ocl kernel for image pyramids upsampling,
It is 35% faster than current OCL kernel in perf test.

Signed-off-by: Li Peng <peng.li@intel.com>
This commit is contained in:
Li Peng
2016-11-08 10:21:47 +08:00
parent 3ae1990727
commit b69cdb2434
3 changed files with 150 additions and 2 deletions
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modules/imgproc/test/ocl/test_pyramids.cpp
+25
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@@ -134,6 +134,24 @@ OCL_TEST_P(PyrUp, Mat)
}
}
typedef PyrTestBase PyrUp_cols2;
OCL_TEST_P(PyrUp_cols2, Mat)
{
for (int j = 0; j < test_loop_times; j++)
{
Size src_roiSize = randomSize(1, MAX_VALUE);
src_roiSize.width += (src_roiSize.width % 2);
Size dst_roiSize = Size(2 * src_roiSize.width, 2 * src_roiSize.height);
generateTestData(src_roiSize, dst_roiSize);
OCL_OFF(pyrUp(src_roi, dst_roi, dst_roiSize, borderType));
OCL_ON(pyrUp(usrc_roi, udst_roi, dst_roiSize, borderType));
Near(depth == CV_32F ? 1e-4f : 1.0f);
}
}
OCL_INSTANTIATE_TEST_CASE_P(ImgprocPyr, PyrUp, Combine(
Values(CV_8U, CV_16U, CV_16S, CV_32F, CV_64F),
Values(1, 2, 3, 4),
@@ -141,6 +159,13 @@ OCL_INSTANTIATE_TEST_CASE_P(ImgprocPyr, PyrUp, Combine(
Bool()
));
OCL_INSTANTIATE_TEST_CASE_P(ImgprocPyr, PyrUp_cols2, Combine(
Values((MatDepth)CV_8U),
Values((Channels)1),
Values((BorderType)BORDER_REFLECT_101),
Bool()
));
} } // namespace cvtest::ocl
#endif // HAVE_OPENCL