Embedding location map is a commonly used method for image data hiding; however, it has little payload and the visual effect is not good enough.

嵌入位置图法是目前国内外普遍应用的图像数据隐藏方法，但其嵌入量不够大，图像的视觉效果也一般。

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In this article, we introduce matrix coding and its application in image data hiding briefly. This algorithm can improve the security of data hiding.

该文通过介绍矩阵编码及其在信息伪装算法中的应用，说明了矩阵编码可以提高信息伪装系统的安全性。

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To present an summary and overview of recent developments on binary image information hiding, and discuss some important issues of those techniques such as robustness and data hiding capacity.

总结概述了近年来二值图像的一些研究成果，并对这些研究成果的鲁棒性和隐藏容量等问题做了一个简要比较与讨论。

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The data-hiding technique neatly fits within the image, and all the authentication tasks are localised, notes Guarav Sharma of Xerox.

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