将差值扩展技术应用于彩色图像，提出一种基于预测误差差值扩展和最低有效位(LSB)替换的彩色图像可逆数据隐藏算法。
This paper proposed a reversible data hiding algorithm for color images based on prediction error difference expansion and Least Significant Bit (LSB) replacement.
为减少由扩展嵌入所引起的图形失真，借助差值直方图来选取可嵌入差值，优先选择绝对值小的差值。
To decrease embedding distortion from difference expansion, a difference histogram-based selection scheme was introduced, which gave priority to the differences with small magnitude.
软件将显示它们的信噪比，点扩展函数和均方差值。
The software will display the SNR FWHM and RMS values found.
软件将显示它们的信噪比，点扩展函数和均方差值。
The software will display the SNR FWHM and RMS values found.
应用推荐