generic-library/opencv
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

fixed gpu morphology: anchor and iterations

Browse Source
This commit is contained in:
Vladislav Vinogradov
2010-09-28 09:23:43 +00:00
parent 2985c713e6
commit bf25758159
3 changed files with 21 additions and 9 deletions
Download Patch File Download Diff File Expand all files Collapse all files

18
modules/gpu/src/filtering_npp.cpp
View File

@@ -64,8 +64,19 @@ namespace
CV_Assert(src.type() == CV_8U || src.type() == CV_8UC4);
CV_Assert(kernel.type() == CV_8U && (kernel.cols & 1) != 0 && (kernel.rows & 1) != 0);
if (anchor.x == -1)
anchor.x = 0;
if (anchor.y == -1)
anchor.y = 0;
// in NPP for Cuda 3.1 only such anchor is supported.
CV_Assert(anchor.x == kernel.cols/2 && anchor.y == kernel.rows/2);
CV_Assert(anchor.x == 0 && anchor.y == 0);
if (iterations == 0)
{
src.copyTo(dst);
return;
}
const Mat& cont_krnl = (kernel.isContinuous() ? kernel : kernel.clone()).reshape(1, 1);
GpuMat gpu_krnl(cont_krnl);
@@ -84,8 +95,9 @@ namespace
dst.create(src.size(), src.type());
for(int i = 0; i < iterations; ++i)
nppSafeCall( func(src.ptr<Npp8u>(), src.step, dst.ptr<Npp8u>(), dst.step, sz, gpu_krnl.ptr<Npp8u>(), mask_sz, anc) );
nppSafeCall( func(src.ptr<Npp8u>(), src.step, dst.ptr<Npp8u>(), dst.step, sz, gpu_krnl.ptr<Npp8u>(), mask_sz, anc) );
for(int i = 1; i < iterations; ++i)
nppSafeCall( func(dst.ptr<Npp8u>(), dst.step, dst.ptr<Npp8u>(), dst.step, sz, gpu_krnl.ptr<Npp8u>(), mask_sz, anc) );
}
}