On this foundation, a content flexible filter in Chinese webpage which can filter the badness webpage formed by transformed keywords is built with Browser Helper Object(BHO).

在此基础上，利用浏览器帮助对象（BHO），构建了一个中文网页内容柔性过滤器，用于实时过滤由变形关键词生成的不良网页。

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Some key techniques are included, such as skin detection, face detection, object area segmentation, image features extraction, the design of classifier and the implement of filter based on browser.

本文采用的技术包括：皮肤检测、人脸检测、目标区域分割、敏感图像特征提取、分类器设计及过滤器在浏览器上的实现等。

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