estimatezigma2.m

来自「一个在matlab环境下编写的采用expectation maximizatio」· M 代码 · 共 2 行

function zigma2 = estimateZIGMA2(pxy, x, intensity, mu)
zigma2 = sum( pxy(x,:).*(intensity-mu(x)).*(intensity-mu(x))) / sum( pxy(x,:));