www.gusucode.com > classification_matlab_toolbox分类方法工具箱源码程序 > code/Classification_toolbox/Discriminability.m
function d_tag = Discriminability(mu1, sigma1, mu2, sigma2, p1) % Find the discriminability given means and covariances of single gaussian distributions % Inputs: % mu1 - Mean for class 1 % sigma1 - Covariance matrix for class 1 % mu2 - Mean for class 2 % sigma2 - Covariance matrix for class 2 % p1 - Probability of class 1 % % Outputs % d_tag - Discriminability sigma = (sigma1+sigma2)/2; d_tag = abs(mu2-mu1)/sigma;