通过构造线性表，以对线性表的遍历插入提取删除元素等操作实现对文本串的加密-By constructing a linear form, based on the linear traversal table insertion extraction operations to remove elements to realize text string encryption

利用MATLAB实现在图像中嵌入和提取文本信息，最简单的LSB算法实现，自己写的可用。适合初学者-The realization of the embedded text information in the image using MATLAB, LSB algorithm to achieve the most simple, write their own use. Suitable for beginners