matlab编写的图像处理程序，用于提取图像的纹理、颜色特征。-matlab image processing procedures to prepare for the extraction of image texture and color features.

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颜色特征提取，包括各通道的颜色均值、颜色标准差、以及标准差值等-Color feature extraction, including colors mean, the color standard deviation, and standard deviation for each channel, etc.