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gpu : implement Bayer* -> Gray color conversion

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This commit is contained in:
Vladislav Vinogradov
2013-03-11 15:41:50 +04:00
parent 13f402a554
commit 4ddf634c30
4 changed files with 261 additions and 102 deletions
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45
modules/gpu/src/color.cpp
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@@ -1640,6 +1640,43 @@ namespace
{
bayer_to_bgr(src, dst, dcn, true, true, stream);
}
void bayer_to_gray(const GpuMat& src, GpuMat& dst, bool blue_last, bool start_with_green, Stream& stream)
{
typedef void (*func_t)(PtrStepSzb src, PtrStepSzb dst, bool blue_last, bool start_with_green, cudaStream_t stream);
static const func_t funcs[3] =
{
Bayer2BGR_8u_gpu<1>,
0,
Bayer2BGR_16u_gpu<1>,
};
CV_Assert(src.type() == CV_8UC1 || src.type() == CV_16UC1);
CV_Assert(src.rows > 2 && src.cols > 2);
dst.create(src.size(), CV_MAKETYPE(src.depth(), 1));
funcs[src.depth()](src, dst, blue_last, start_with_green, StreamAccessor::getStream(stream));
}
void bayerBG_to_gray(const GpuMat& src, GpuMat& dst, int /*dcn*/, Stream& stream)
{
bayer_to_gray(src, dst, false, false, stream);
}
void bayerGB_to_gray(const GpuMat& src, GpuMat& dst, int /*dcn*/, Stream& stream)
{
bayer_to_gray(src, dst, false, true, stream);
}
void bayerRG_to_gray(const GpuMat& src, GpuMat& dst, int /*dcn*/, Stream& stream)
{
bayer_to_gray(src, dst, true, false, stream);
}
void bayerGR_to_gray(const GpuMat& src, GpuMat& dst, int /*dcn*/, Stream& stream)
{
bayer_to_gray(src, dst, true, true, stream);
}
}
void cv::gpu::cvtColor(const GpuMat& src, GpuMat& dst, int code, int dcn, Stream& stream)
@@ -1756,10 +1793,10 @@ void cv::gpu::cvtColor(const GpuMat& src, GpuMat& dst, int code, int dcn, Stream
yuv_to_bgr, // CV_YUV2BGR = 84
yuv_to_rgb, // CV_YUV2RGB = 85
0, // CV_BayerBG2GRAY = 86
0, // CV_BayerGB2GRAY = 87
0, // CV_BayerRG2GRAY = 88
0, // CV_BayerGR2GRAY = 89
bayerBG_to_gray, // CV_BayerBG2GRAY = 86
bayerGB_to_gray, // CV_BayerGB2GRAY = 87
bayerRG_to_gray, // CV_BayerRG2GRAY = 88
bayerGR_to_gray, // CV_BayerGR2GRAY = 89
//YUV 4:2:0 formats family
0, // CV_YUV2RGB_NV12 = 90,