在介绍了相应的背景知识后，针对网页文档的特殊性，论文提出一种基于网页结构特征的用户建模技术。
Behind the background knowledge having been introduced, in view of the special nature of the web pages, the paper presents an user modeling technology based on the structural features of web pages.
本文介绍特征技术产生的背景和特征建模的有关概念与方法。
This paper presents the generation background of feature technology and the related concepts and methods of feature modelling.
对于静态背景层，采用基于颜色特征的个数较少的混合高斯模型对背景建模；
A Gaussian Mixture Model based on color feature is adopted in static layer.
对于静态背景层，采用基于颜色特征的个数较少的混合高斯模型对背景建模；
A Gaussian Mixture Model based on color feature is adopted in static layer.
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