Expectation-Maximization The EM (Expectation-Maximization) algorithm estimates the parameters of the multivariate probability density function in a form of the Gaussian mixture distribution with a specified number of mixtures.

opencv关于高斯混合模型的说明，可以应用在图像匹配等的领域，为图像处理提供很大方便。-Opencv on gaussian mixture model that can be applied in the field of image matching, etc, provides great convenience for image processing.