中文说明：HSV颜色空间较RGB空间更适合人的感官视觉，在HSV空间统计图像的分布特征并用于检索比在RGB空间的效果较好。
English Description：
HSV color space is more suitable for human sensory vision than RGB space. It is better to count the distribution characteristics of images in HSV space and use them for retrieval than in RGB space.