Digital Watermarking Authentication and Restoration for Chinese Calligraphy Images
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Ho, Anthony T. S., Zhu, Xunzhan and Tang, Lilian H. (2007) Digital Watermarking Authentication and Restoration for Chinese Calligraphy Images Proceedings of the 2007 15th International Conference on Digital Signal Processing . pp. 483-486.
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Official URL: http://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumb...
Abstract
In this paper, a semi-fragile watemiarking method for authentication and automatic restoration of Chinese calligraphy images is proposed using the pinned sine transform (PST). The watermarking system can locate the content of image that has been tampered maliciously with high accuracy. In particular, the watermarking scheme is very sensitive to any texture alteration in the watemiarked images, which is crucial for calligraphy image analysis. The tampered portions could be approximately restored. Results of simulation experiments are presented to demonstrate the effectiveness of the proposed method.
| Item Type: | Article |
|---|---|
| Additional Information: | ©2007 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE. |
| Divisions: | Faculty of Engineering and Physical Sciences > Electronic Engineering > Centre for Communication Systems Research |
| Related URLs: | |
| ID Code: | 2339 |
| Deposited By: | Melanie Hughes |
| Deposited On: | 23 Sep 2010 12:02 |
| Last Modified: | 24 Jan 2013 09:08 |
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