Searched refs:hist_v (Results 1 – 1 of 1) sorted by relevance
214 uint32_t hist_v[128] = {0}; in estimate_noise_variance() local241 hist_v[abs(pixel[2 * i + 1 + j * row_pitch] - base)]++; in estimate_noise_variance()259 pixel_sum += hist_v[i]; in estimate_noise_variance()