一本在软件领域绝无仅有，20余年畅销不衰的必读经典。年轻的软件工程师、吝啬的研究生、懒惰的软件老手常请我标示出迄今为止最好的软件图书。“如果我带着仅有的一本计算机书在沙漠荒岛上，”他们问，“应该是哪本书？”这是个荒谬的问题，但人们坚持要个答案。假如你真的被放逐到这样的小岛（或者你决定躲藏到这样的地方去避免2000年软件崩溃的恐惧！），《人月神话》应该紧随着你。-A unique in software, sold briskly for more than 20 years must-read

POP，即像素奇偶性算法，新的一种对位图空域信息隐藏算法。自己的一点理解。-POP, the pixel parity algorithm, a bitmap airspace information hiding algorithm. Their own little more understanding.

With the fast development of the computer technology and information processing technology, the problem of information security is becoming more and more important. Information hiding is usually used to protect the important information from disclosi

ecently, more and more attention is paid to reversible data hiding (RDH) in encrypted images, since it maintains the excellent property that the original cover can be losslessly recovered after embedded data is extracted while protecting the