预测误差差值扩展 prediction error difference expansion
To avoid the unnecessary quality decline of watermarked images from excessive modulation to pixel pairs,this paper proposes an ECC based reversible digital watermarking difference expansion.
针对Tian中过度修改像素对值造成含印图像质量不必要下降问题,该文提出了基于错误控制编码的差值扩展可逆数字水印算法。
参考来源 - 基于错误控制编码的差值扩展可逆数字水印Some works have been completed as follows:(1) A novel reversible data hiding technique using difference expansion. We proposed a new reversible data hiding algorithm based on difference expansion.
本文主要完成了以下几方面内容：(1)基于差值扩展的可逆信息隐藏算法提出了一种基于差值扩展的可逆信息隐藏算法。
参考来源 - 基于图像的可逆信息隐藏技术的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
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.
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