结合结构与梯度的图像哈希算法

沈麒,赵琰,周晓炜,袁晓冉

Image Hashing algorithm based on structure and gradient

Qi SHEN,Yan ZHAO,Xiao-wei ZHOU,Xiao-ran YUAN

图 3 图像的三维视角

Fig.3 Image with three-dimensional visual angle