所谓基于内容图像的检索是指由图像分析软件对输入的图像先进行图像分析，根据图像中物体或区域的颜色(color)、形状(shape)或纹理(texture)等特征以及这些特征的组合，自动抽取特征，在将输入图像存入图像库的同时将其相应的特征向量也存入与图像库相连的特征库。-so-called content-based image retrieval is by image analysis software on the importation of the first images for image analysis. According to image objects or regional color (color). Shape (shape) or texture (texture), and other characteristics of these features combined, Automatic feature extraction. in the input image into the image of the corresponding eigenvector also credited with images linked to the characteristics of the library.