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fixed descriptor calculation in SURF_GPU

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This commit is contained in:
Vladislav Vinogradov 2011-02-15 08:57:35 +00:00
parent deac5d972e
commit 0821c7ad17
1 changed files with 2 additions and 2 deletions
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4
modules/gpu/src/cuda/surf.cu
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@ -1071,7 +1071,7 @@ namespace cv { namespace gpu { namespace surf
} }
__device__ void calc_dx_dy_old(float sdx[25], float sdy[25], const KeyPoint_GPU* features, int tid) __device__ void calc_dx_dy_old(float sdx[25], float sdy[25], const KeyPoint_GPU* features, int tid)
{ {
// get the interest point parameters (x, y, scale, strength, theta) // get the interest point parameters (x, y, scale, strength, theta)
__shared__ float ipt[5]; __shared__ float ipt[5];
if (tid < 5) if (tid < 5)
@ -1081,7 +1081,7 @@ namespace cv { namespace gpu { namespace surf
__syncthreads(); __syncthreads();
float sin_theta, cos_theta; float sin_theta, cos_theta;
sincosf(ipt[SF_ANGLE], &sin_theta, &cos_theta); sincosf(ipt[SF_ANGLE] * (CV_PI / 180.0f), &sin_theta, &cos_theta);
// Compute sampling points // Compute sampling points
// since grids are 2D, need to compute xBlock and yBlock indices // since grids are 2D, need to compute xBlock and yBlock indices