基于自相似混沌水印的静态图像版权保护

Proceedings 2000 International Conference on Image Processing (Cat. No.00CH37101) Pub Date : 2000-12-01 DOI:10.1109/ICIP.2000.900982

S. Tsekeridou, N. Nikolaidis, N. Sidiropoulos, I. Pitas

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引用次数: 16

摘要

提出了一种用于静止图像的空域水印算法。水印是通过组合二维混沌信号的缩放版本来生成的，以获得自相似的结构。此外，二维混沌信号生成过程包含确保获得低通水印的操作。这样的特性(低通频谱，自相似性)使抗压缩，低通滤波或低通性质的失真，以及裁剪和缩放具有鲁棒性。该算法的另一个优点是检测过程不需要原始图像。

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A spatial domain watermarking algorithm for still images is proposed in this paper. The watermarks are generated by combining scaled versions of 2-D chaotic signals, in order to attain a self-similar structure. In addition, the 2-D chaotic signal generation procedure contains operations which ensure that lowpass watermarks are obtained. Such characteristics (lowpass spectrum, self-similarity) enable robustness against compression, lowpass filtering or, generally, distortions of lowpass nature, as well as, cropping and scaling. An additional advantage of the proposed algorithm is that the detection procedure does not require the original image.

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Proceedings 2000 International Conference on Image Processing (Cat. No.00CH37101)

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