Lines Matching defs:gaussian
498 // 6*rad+1 while the full Gaussian width is 6*sigma.
502 // Gaussian blur area (1.5*sigma on each side). The single pass box
508 // to approximate a Gaussian blur
849 // gaussian kernel. It's "ground truth" in a sense; too slow to be used, but very
873 float gaussian = expf(-x*x / (2*variance));
874 gaussWindow[halfWindow + x] = gaussWindow[halfWindow-x] = gaussian;
875 windowSum += 2*gaussian;
