The idea of programming might sound like a daunting task, but don’t worry. We designed this chapter so that you can get your feet wet without having to delve into the deeper complexities of programming. The chapter begins with a discussion on CodeWar

基于湿纸编码的图像隐写技术，很有价值的，采用的像素差值的方法。-Wet paper coding based on image steganography technology, great value, the method used by the pixel difference.