Data were embedded into the Least Significant Bit-plane (LSB) of high frequency CDF (2,2) integer wavelet coefficients,which accorded with the principle of Human Visual System (HVS).

• 在图像的小波子带系数的最低位(LSB)嵌入隐藏数据,将数据嵌入到小波CDF(2,2)的高频子带系数中,符合人的视觉系统原理(HVS)。