基于噪声特征的水印检测后处理方法

Proceedings Fifth International Conference on Computational Intelligence and Multimedia Applications. ICCIMA 2003 Pub Date : 2003-09-27 DOI:10.1109/ICCIMA.2003.1238167

Zhong Hua, Jiao Li-cheng

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引用次数: 0

摘要

本文在分析图像失真噪声特征的基础上，提出了一种改进水印相关检测的后处理方法。根据失真噪声的特点对提取的水印分别进行分类和处理。分析表明，该方法可以有效地降低噪声功率。在保持虚警概率不变的情况下，可以提高水印检测的概率。实验结果证明了该方法在不同图像畸变情况下的有效性。

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Noise characteristics based postprocessing method in watermarking detection

This paper proposed a postprocessing method to improve watermark correlating detection based on analysis of the characteristics of image distortion noise. The extracted watermark is classified and processed, separately, according to the characteristics of distortion noise. Analysis shows that the noise power can be reduced effectively. With the probability of false alarm kept unchanged, the probability of watermark detection can be increased. Experimental results demonstrate the effectiveness of the proposed method under different image distortions.

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Proceedings Fifth International Conference on Computational Intelligence and Multimedia Applications. ICCIMA 2003

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