基于LSB算法的图像信息隐藏与检测

下载后可任意编辑数字图像隐写分析基于 LSB 算法的图像信息隐藏与检测学 院 名 称计算机科学与技术学院专 业 班 级学 生 姓 名学号指 导 老 师2024.05.01基于 LSB 算法的图像信息隐藏与检测摘要：LSB 替换隐写基本思想是用嵌入的秘密信息取代载体图像的最低比特位，原来的的 7 个高位平面与替代秘密信息的最低位平面组合成含隐藏信息的新图形。文章首先下载后可任意编辑简单叙述了 BMP 位图文件的文件格式,然后根据 24 位真彩色 BMP 位图格式与显示方式的特别性,直接改变图像中像素的最后一位值来嵌入秘密文件,提出了一种对文字信息进行加密的有效方案。关键词：LSB，信息隐藏，信息安全，BMP 位图Image information hiding and detection based on LSB algorithm下载后可任意编辑Abstract: LSB replacement steganography basic idea is to use the embedded secret information to replace the image of the lowest bits, the original 7 high plane and the least significant bit plane of alternative secret information into new graphics containing hidden information.This paper simple describes the BMP file format of the bitmap file, and then according to the 24 true color BMP bitmap format and the particularity of display mode, directly change the values of pixels in the image of the last to embed secret files, puts forward a effective scheme of text information is encrypted.Key words: LSB, Information hiding,information security,bit map file目 录第 1 章 绪 论.............................................................................................................................................2下载后可任意编辑1.1 LSB 算法原理··········································································2第 2 章 LSB 隐写实现..................................................................................................................................22.1 LSB 隐藏过程·······················...