在深入研究图像像素灰度差分的基础上，提出了一种新颖有效的自适应信息隐藏算法。

Based on the detailed study of image pixel-value differencing, a novel and efficient adaptive information hiding algorithm was proposed.

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研究了二值图像信息隐藏的特殊性，提出了一种安全大容量的二值图像信息隐藏算法。

Based on analyzing the specialty of binary image information hiding, a secure and high capacity algorithm for hiding data into binary images is proposed.

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针对信息隐藏话机研究要考虑的三个问题，结合本文算法，分别提供了解决思路。

With the presented algorithm, this paper proposes some ideas to solve the three problems which the research of information hiding phone must be considered.

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