Lines Matching refs:sigma2
609 % DoG:{radius},{sigma1},{sigma2}
611 % As "Gaussian" but with a gaussian produced by 'sigma2' subtracted
612 % from the gaussian produced by 'sigma1'. Typically sigma2 > sigma1.
1054 sigma2 = fabs(args->xi),
1059 else if ( (type != DoGKernel) || (sigma >= sigma2) )
1062 kernel->width = GetOptimalKernelWidth2D(args->rho,sigma2);
1096 if ( sigma2 > MagickEpsilon )
1097 { sigma = sigma2; /* simplify loop expressions */
