Recently, reversible data hiding has become a popular research topic and achieves lots of improvements.

近年来，作为信息隐藏技术研究热点之一，可逆信息隐藏技术得到了长足发展。

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A difference histogram-based reversible data hiding algorithm was proposed for authentication and covert communications of vector maps.

提出一种基于差值直方图的可逆数据隐藏算法，用于矢量地图的认证和隐秘通信。

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This paper proposed a reversible data hiding algorithm for color images based on prediction error difference expansion and Least Significant Bit (LSB) replacement.

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。

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With reversible data-hiding, however, photographic evidence could be watermarked and secured from tampering the moment the shutter is pressed.

ECONOMIST: MONITOR

But as Mr Celik outlines the possible applications for reversible data-hiding, it becomes obvious why preserving image integrity is so critical.

ECONOMIST: MONITOR

Reversible data-hiding offers a clever solution.

ECONOMIST: MONITOR