样式表文件转化提取过滤器模板文件到提取过滤器文件的一个指定实例中，并且执行使提取动态的转化。

The style sheet file transforms the extraction filter template file into a specific instance of an extraction filter file and performs the transformations that make the extraction dynamic.

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根据动态模板匹配理论，提出了提取人脸面部特征的系列算法，特征是精确的轮廓描述而非简单的数字表达。

Facial features extraction algorithms presented are based on deformable template model. In this paper, facial features are described accurately about contour but not express simply with data.

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