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首页> 外文会议>International symposium on multispectral image processing and pattern recognition >A Novel Attack Method About Double-random-phase-encoding-based Image Hiding Method
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A Novel Attack Method About Double-random-phase-encoding-based Image Hiding Method

机译：基于双随机相位编码的图像隐藏方法的新型攻击方法

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By using optical image processing techniques, a novel text encryption and hiding method applied by double-random phase-encoding technique is proposed in the paper. The first step is that the secret message is transformed into a 2-dimension array. The higher bits of the elements in the array are used to fill with the bit stream of the secret text, while the lower bits are stored specific values. Then, the transformed array is encoded by double random phase encoding technique. Last, the encoded array is embedded on a public host image to obtain the image embedded with hidden text. The performance of the proposed technique is tested via analytical modeling and test data stream. Experimental results show that the secret text can be recovered either accurately or almost accurately, while maintaining the quality of the host image embedded with hidden data by properly selecting the method of transforming the secret text into an array and the superimposition coefficient.
机译：利用光学图像处理技术，提出了一种新的利用双随机相位编码技术进行文本加密和隐藏的方法。第一步是将秘密消息转换为二维数组。数组中元素的较高位用于填充秘密文本的位流，而较低位则存储特定值。然后，通过双重随机相位编码技术对变换后的阵列进行编码。最后，将编码后的数组嵌入到公共主机图像上，以获得嵌入了隐藏文本的图像。通过分析建模和测试数据流来测试所提出技术的性能。实验结果表明，通过正确选择将秘密文本转换为数组和叠加系数的方法，可以在保留隐藏数据的宿主图像质量的同时，准确或几乎准确地恢复秘密文本。

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