Theoretical analysis and simulated experiment show that, the scheme has excellent performances against attacks, in particular statistical attack, differential attack and chosen plain image attack.

理论分析和仿真实验表明，本文提出的算法具有较高的安全性能，特别是在统计攻击、差分攻击和选择明文攻击能力方面具有很好的抗攻击性能。

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The image watermarking algorithm design and the attack way are opposite to and promotional of each other.

图像水印的算法设计和攻击技术是互相促进的对立面。

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A boxing, to mimic the movement of the snake image, melting into the attack and the main features.

拳术的一种，以模仿蛇的运动形象，融进技击为主要特点。

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This image, and a heart attack that he took as a message from God, persuaded Mr Williams to make public the memos he had secretly photocopied.

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That was the image, he told me, that led to his attack on August 25, 2011.

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He called it regrettable, apologized for the gunmen's attack and said it would probably affect the image of Acapulco, which derives much of its revenue from tourism.

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