Image Retrieval Based on Color Features

Within the image retrieval based on the content,the color,being an important vision information of image,have been used broadly.The color is as to geometirc characteristic of the picture,have certain stability,to scale,translation,rotate,have a strong one stupid and getting wonderful quite.This text discusses several key techniques inspected from the color commence,Choice to the color model,quantization,color histogram and go on the detailed discussion from the comparability measurement.At last,this paper introduces the localizations and some problems exist at present.