Searched refs:ddyy (Results 1 – 3 of 3) sorted by relevance
58 float ddyy = 0; in compute_harris_responses() local69 ddyy += m22(x + x_kernel - half_length, y + y_kernel - half_length) in compute_harris_responses()73 auto det = (ddxx * ddyy) - dxdy * dxdy; in compute_harris_responses()74 auto trace = ddxx + ddyy; in compute_harris_responses()
23 GradientView ddyy, in compute_hessian_responses() argument27 if (ddxx.dimensions() != ddyy.dimensions() in compute_hessian_responses()28 || ddyy.dimensions() != dxdy.dimensions() in compute_hessian_responses()59 ddyy_i += ddyy(x + w_x - center, y + w_y - center) in compute_hessian_responses()
289 OutputView ddyy) in compute_hessian_entries() argument295 detail::convolve_2d(dy, sobel_y, ddyy); in compute_hessian_entries()