We can increase the division effect by the saturationinformation 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 saturationinformation.
A method of evaluating the remaining oil saturation in loose sandstone reservoir using the log information is put forward based on the feature of the watered out zones in Gudong oilfield.