fixed some bugs, added tests for gpu::HOGDescriptor

2010-11-15 12:51:30 +00:00
parent 13134595fd
commit fada88e100
5 changed files with 213 additions and 9 deletions
--- a/modules/gpu/src/cuda/hog.cu
+++ b/modules/gpu/src/cuda/hog.cu
@@ -142,6 +142,7 @@ __global__ void compute_hists_kernel_many_blocks(const int img_block_width, cons
    const float* grad_ptr = grad.ptr(offset_y) + offset_x * 2;
    const unsigned char* qangle_ptr = qangle.ptr(offset_y) + offset_x * 2;

+    // 12 means that 12 pixels affect on block's cell (in one row)
    if (cell_thread_x < 12)
    {
        float* hist = hists + 12 * (cell_y * blockDim.z * CELLS_PER_BLOCK_Y +