In this paper, a kind of SAR image segmentation method based on the criterion of likelihood difference function is proposed.
这一部分我们给出了本文中竞争风险混合模型的描述及分组数据下的似然函数。
The likelihood ratio criterion of sphericity test, its asymptotic expansion and limiting distribution are obtained.
论文得到了球形检验的似然比准则，它的渐近展开与极限分布。
The training of the novel model utilizes the maximum likelihood criterion and an effective EM algorithms to adjust model parameters is developed.
新模型的训练采用最大似然准则，并改进了EM算法来调整模型参数。
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