通过分析彩色图像的数据格式，将八叉树量化方法用于彩色图像的颜色信息量化，并采用矢量中值滤波消除彩色图像噪声，以实现对彩色图像的合理预处理。

Then the experimental results show that the vector median filtering algorithm based on PCNN and HIS not only can effectively remove the noise, but also can protect the details of color image better.

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