在DCT域进行图像检索，分别采取了对DCT块的边缘类型提取以及纹理特征提取两个方法-Image Retrieval in DCT domain, DCT blocks were taken on the edge of the type and texture feature extraction method of extracting the two

基于DCT的图像检索技术 用统计特征法和不变矩法 MATLAB程序-DCT-based image retrieval method using statistical features and invariant moment method MATLAB program