中文说明：lsb算法将水印图像按最不重要位(LSB)方法嵌入到载体图像中，在把水印从载体图像中提取出来-This is a LSB algorithm that embedding watermark into the least important part of the primary image, and the watermark can be extracted from the primary image.
English Description：
This is a LSB algorithm that embedding watermark into the least important part of the primary image, and the watermark can be extracted from the primary image.