混沌振荡器在数字水印检测中的应用

International Conference on Neural Networks and Signal Processing, 2003. Proceedings of the 2003 Pub Date : 1900-01-01 DOI:10.1109/ICNNSP.2003.1281163

Quanxiu Wen, Shu-Xun Wang, K. Zhu

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引用次数: 3

摘要

本文提出了一种新的数字水印算法。在该算法中，嵌入图像中的水印是具有一定频率的正弦信号。提取的水印被检测到后，作为混沌系统的输入，在混沌系统中可以检测到与系统频率参数相同频率的弱信号。混沌系统对某些信号敏感，同时又不受噪声的影响，因此基于混沌方案的水印检测方法对失真的原始水印信号有很好的检测效果。仿真结果支持这一说法。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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The application of chaotic oscillators to digital watermarking detection

In this paper, a new digital watermarking algorithm is presented. In this algorithm, the watermark embedded in the image is a sinusoidal signal with a certain frequency. When detected, the extracted watermark is the input to a chaotic system in which the weak signal with the same frequency as system frequency parameter can be detected. Chaotic system are sensitive to certain signals and immune to noise at the same time, so the watermarking detection method based on a chaotic scheme has a good performance for distorted original watermark signal. Simulation results are provided to support this claim.

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International Conference on Neural Networks and Signal Processing, 2003. Proceedings of the 2003

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