自己编写的提取RGB图像的包含256bin的一维直方图，首先把rgb图像转换为hsv图像，然后量化三个分量图像，最后提取一维直方图，可用于图像检索。-I have written extract contains RGB images 256bin one-dimensional histogram, first of all put rgb image is converted to hsv images, then quantified the three-component image, and finally extracted one-dimensional histogram can be used for image retrieval.