snake模型经典文章，后续的amm（主动形状匹配）模型就是根据sanke模型发展得到的-Article classic snake model, the follow-up amm (active shape matching) model is the model of development in accordance with the sanke

将形状作为具辨别力特征的主动轮廓模型应用-As a discerning the shape characteristics of active contour model application

this file contains several parers in active shape model for face recognition