机译:一种基于四像素差分的新型隐写方法,并利用修饰方向
School of Science, Beijing University of Posts and Telecommunications, Beijing 100876, China;
State Key Laboratory of Networking and Switching Technology, Beijing University of Posts and Telecommunications, Beijing 100876, China;
steganography; human visual system (HVS); four-pixel differencing; exploiting modification direction;