We can increase the division effect by the saturation information in YIQ space because human face has much yellow weight.

由于人脸肤色包含了较多的黄色分量，我们可以在YIQ空间利用彩色的饱和度信息来增强分割效果。

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In this paper, we analyze the variation of saturation, also we compare the previous methods of color constancy and point out that they can not get the constant saturation information.

在本文中，我们对物体饱和度信息的变化做了分析，对以前的一些获取颜色恒常性的方法做了比较，指出它们一般都不能得到恒常性的饱和度信息。

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