基于颜色矩特征的图像检索：首先RGB颜色空间转换到HSV颜色空间；针对HSV三个分量计算颜色矩作为图像的内容特征；计算查询图像与图像库中每幅图像的相似距离，排序后给出检索结果。-Moment features based on color image retrieval : First RGB color space conversion to HSV color space; Three weight against HSV color calculated moments as images