在最不重要位替换嵌入算法的基础上引入矩阵编码，增强水印隐蔽性，有效地提高水印嵌入效率。-On the basis of the least significant bit embedded algorithm is introduced to Replace the matrix coding, to enhance hidden watermark, the watermark embedding effectively improve efficiency.

Matlab code for semi fragile lsb watermarking with 5 type of attack and vhdl code

Matlab code watermarking using LSB method-Matlab code watermarking using LSB method