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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Therefore, it is desirable to design a new type of data hiding method-reversible data hiding, which can avoid distorting the original data and exert its benefits.

因此迫切需要一种既能有效地避免破坏原始数据信息，又能通过隐藏信息发挥作用的新方法——无损信息隐藏方法。

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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