Color space, color quantization and color feature extraction are the main techniques in image retrieval based on color feature.

基于颜色特征的图像检索技术主要包括颜色空间的选择、颜色量化方法及颜色特征的提取。

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The distance of the uniform color space is used as the distortion measure, and the codebook of vector quantization is used to set the color table register, which shows good results.

以均匀颜色空间的距离作失真测度，以矢量量化的码书设置颜色寄存的颜色值。实验证明，效果令人满意。

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First, it presents the selection of color space and an approach of re-quantization.

首先给出颜色空间的选择和重量化方案；

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