The correct NOC of different images can be obtained by minimizing the ATEC and the parameters in the criterion are estimated by expectation maximization algorithm and maximum pseudo-like...

• 准则中各参数由期望最大法和最大伪似然法来估计。试验表明,本文的算法能通过自适应的调整参数而正确地找到图像的分类数,并且在此分类数下能自动得到图像的最大后验分割。