In a digital society,the rapid development of computer science and the Internet has greatly facilitated image applica-ti......

　　An effective image content temper detection scheme that uses perfect hash model is proposed in this paper.Aiming at ......

提出了一种基于图像半脆弱水印的数字认证相机模型,并在FPGA平台上予以实现。水印算法根据图像DCT系数在JPEG压缩过程中的两个不变......