Lines Matching refs:lxx
66 step.Lxx = Mat::zeros(level_height, level_width, CV_32F);
199 compute_scharr_derivatives(evolution[i].Lx, evolution[i].Lxx, 1, 0, sigma_size_);
205 evolution[i].Lxx = evolution[i].Lxx*((sigma_size_)*(sigma_size_));
242 float lxx = *(evolution_[i].Lxx.ptr<float>(ix)+jx);
245 *(evolution_[i].Ldet.ptr<float>(ix)+jx) = (lxx*lyy - lxy*lxy);