The Contour filtering system provides a gentle perturbation of the IF filter passband.

轮廓过滤系统提供了一个温和的摄动的IF滤波器通。

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Aim at some discrete points after contour extraction subtracting contour tracing, a special filter is designed to eliminate these discrete points, and at the same time to keep the continuous contour.

针对轮廓提取减去轮廓跟踪后的图像出现的离散点，提出了一种专门的滤波方法，消除离散点，保证图像轮廓的连续。

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In tracking, the area of face contour distortion were searched by the method of particle filter, and the face contour parameters were solved.

同时，利用非线性滤波方法在人脸轮廓的变形区域内进行搜索，求解人脸轮廓参数，进行人脸轮廓跟踪。

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