普通二值图像中的信息隐藏及秘密信息的提取。从图像中选取固定的位置来隐藏要嵌入的秘密信息。隐藏效果不太好~-Ordinary binary image information hiding and extraction of secret information. Selected from a fixed location in the image to hide secret information to be embedded. Hide the effect is not very goo