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FGDStatModel

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This commit is contained in:
Vladislav Vinogradov 2012-11-12 13:09:39 +04:00
parent 28716d7f30
commit 7e57648ea2
1 changed files with 5 additions and 52 deletions
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57
modules/gpu/src/cuda/fgd_bgfg.cu
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@ -46,6 +46,8 @@
#include "opencv2/gpu/device/vec_math.hpp"
#include "opencv2/gpu/device/limits.hpp"
#include "opencv2/gpu/device/utility.hpp"
#include "opencv2/gpu/device/reduce.hpp"
#include "opencv2/gpu/device/functional.hpp"
#include "fgd_bgfg_common.hpp"
using namespace cv::gpu;
@ -181,57 +183,8 @@ namespace bgfg
__shared__ unsigned int data1[MERGE_THREADBLOCK_SIZE];
__shared__ unsigned int data2[MERGE_THREADBLOCK_SIZE];
data0[threadIdx.x] = sum0;
data1[threadIdx.x] = sum1;
data2[threadIdx.x] = sum2;
__syncthreads();
if (threadIdx.x < 128)
{
data0[threadIdx.x] = sum0 += data0[threadIdx.x + 128];
data1[threadIdx.x] = sum1 += data1[threadIdx.x + 128];
data2[threadIdx.x] = sum2 += data2[threadIdx.x + 128];
}
__syncthreads();
if (threadIdx.x < 64)
{
data0[threadIdx.x] = sum0 += data0[threadIdx.x + 64];
data1[threadIdx.x] = sum1 += data1[threadIdx.x + 64];
data2[threadIdx.x] = sum2 += data2[threadIdx.x + 64];
}
__syncthreads();
if (threadIdx.x < 32)
{
volatile unsigned int* vdata0 = data0;
volatile unsigned int* vdata1 = data1;
volatile unsigned int* vdata2 = data2;
vdata0[threadIdx.x] = sum0 += vdata0[threadIdx.x + 32];
vdata1[threadIdx.x] = sum1 += vdata1[threadIdx.x + 32];
vdata2[threadIdx.x] = sum2 += vdata2[threadIdx.x + 32];
vdata0[threadIdx.x] = sum0 += vdata0[threadIdx.x + 16];
vdata1[threadIdx.x] = sum1 += vdata1[threadIdx.x + 16];
vdata2[threadIdx.x] = sum2 += vdata2[threadIdx.x + 16];
vdata0[threadIdx.x] = sum0 += vdata0[threadIdx.x + 8];
vdata1[threadIdx.x] = sum1 += vdata1[threadIdx.x + 8];
vdata2[threadIdx.x] = sum2 += vdata2[threadIdx.x + 8];
vdata0[threadIdx.x] = sum0 += vdata0[threadIdx.x + 4];
vdata1[threadIdx.x] = sum1 += vdata1[threadIdx.x + 4];
vdata2[threadIdx.x] = sum2 += vdata2[threadIdx.x + 4];
vdata0[threadIdx.x] = sum0 += vdata0[threadIdx.x + 2];
vdata1[threadIdx.x] = sum1 += vdata1[threadIdx.x + 2];
vdata2[threadIdx.x] = sum2 += vdata2[threadIdx.x + 2];
vdata0[threadIdx.x] = sum0 += vdata0[threadIdx.x + 1];
vdata1[threadIdx.x] = sum1 += vdata1[threadIdx.x + 1];
vdata2[threadIdx.x] = sum2 += vdata2[threadIdx.x + 1];
}
plus<unsigned int> op;
reduce<MERGE_THREADBLOCK_SIZE>(smem_tuple(data0, data1, data2), thrust::tie(sum0, sum1, sum2), threadIdx.x, thrust::make_tuple(op, op, op));
if(threadIdx.x == 0)
{
@ -845,4 +798,4 @@ namespace bgfg
template void updateBackgroundModel_gpu<uchar4, uchar4, uchar4>(PtrStepSzb prevFrame, PtrStepSzb curFrame, PtrStepSzb Ftd, PtrStepSzb Fbd, PtrStepSzb foreground, PtrStepSzb background, int deltaC, int deltaCC, float alpha1, float alpha2, float alpha3, int N1c, int N1cc, int N2c, int N2cc, float T, cudaStream_t stream);
}
#endif /* CUDA_DISABLER */
#endif /* CUDA_DISABLER */