基于增强补种的混合水平集CT图像分割

应劭在《风俗通义》之《愆礼》《过誉》两卷中以17个事例刻画了东汉时期士大夫阶层在践行礼制规定过程中出现的种种乱象，包括服丧违礼、扭曲亲情、因私废公、恃才蔑礼四类，主要表现在政治关系与伦理关系两个方面。通过对这些事例的考察，不难发现东汉后期礼制的混乱具有深刻的历史根源，实与汉代一贯重视儒家经典并将之与仕途晋升相关联的政策导向有密切关系。

Mixed Level Set Algorithm for CT Image Segmentation Based on Particle Reseeding

In the chapter of Qianli and Guoyu in Fengsu Tongyi,Ying Shao adopts 17 cases to describe the phenomenon occurred in scholar-bureaucrats'' fulfillment in the requirement of the ritual in Eastern Han period, including the aspects of funeral, kinship, recommendation and so on, which mainly involves the relationship in political and ethical area. Through these cases, it is not difficult to find out the historical origin behind the chaos of ritual enforcement, which performed as the overemphasis of Confucian classics and the policy of connecting it to the promotion in government.