generic-library/opencv
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new implementation of gpu debayer

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* without border extrapolation
* with aligned write
* process 4 pixels per thread in 8u case
This commit is contained in:
Vladislav Vinogradov
2012-08-06 10:58:11 +04:00
parent 5ce896d9ee
commit 8624d18ca5
4 changed files with 273 additions and 144 deletions
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10
modules/gpu/src/color.cpp
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@@ -58,8 +58,10 @@ void cv::gpu::gammaCorrection(const GpuMat&, GpuMat&, bool, Stream&) { throw_nog
namespace cv { namespace gpu {
namespace device
{
template <typename T, int cn>
void Bayer2BGR_gpu(DevMem2Db src, DevMem2Db dst, bool blue_last, bool start_with_green, cudaStream_t stream);
template <int cn>
void Bayer2BGR_8u_gpu(DevMem2Db src, DevMem2Db dst, bool blue_last, bool start_with_green, cudaStream_t stream);
template <int cn>
void Bayer2BGR_16u_gpu(DevMem2Db src, DevMem2Db dst, bool blue_last, bool start_with_green, cudaStream_t stream);
}
}}
@@ -1337,9 +1339,9 @@ namespace
typedef void (*func_t)(DevMem2Db src, DevMem2Db dst, bool blue_last, bool start_with_green, cudaStream_t stream);
static const func_t funcs[3][4] =
{
{0,0,Bayer2BGR_gpu<uchar, 3>, Bayer2BGR_gpu<uchar, 4>},
{0,0,Bayer2BGR_8u_gpu<3>, Bayer2BGR_8u_gpu<4>},
{0,0,0,0},
{0,0,Bayer2BGR_gpu<ushort, 3>, Bayer2BGR_gpu<ushort, 4>}
{0,0,Bayer2BGR_16u_gpu<3>, Bayer2BGR_16u_gpu<4>}
};
if (dcn <= 0) dcn = 3;