Semi-Fragile Image Watermarking using Zernike Moment and Fuzzy C-Means

淡江大學機構典藏 > 工學院 > 電機工程學系暨研究所 > 會議論文 > Item 987654321/95945

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题名:	Semi-Fragile Image Watermarking using Zernike Moment and Fuzzy C-Means
作者:	Hsieh, Ching-Tang;Wu, Yeh-Kuang;Hsu, Chih-Hsu
贡献者:	淡江大學電機工程學系
日期:	2006-10
上传时间:	2014-02-13 11:24:52 (UTC+8)
摘要:	In order to improve the detection of malicious tampering images, it is necessary to decrease the fragility of hidden watermarks, even for digital images which have been incidentally distorted. In this paper, we propose a new invariant semi-fragile digital watermarking technique based on eigenvalues and eigenvectors of real symmetric matrix generated by the four pixel pairs. A signature bit for detecting the malicious tampering of an image is generated using the dominant eigenvector. And the multi-rings Zernike transform (MRZT) is proposed to achieve geometric invariance based on the fuzzy C-means and Zernike moment. The MRZT method is to the geometric distortions even when the image is under malicious attacks. Experimental results show that this algorithm can resist high quality JPEG compression, and improve the detection performance of various malicious tampering.
關聯:	Proceedings of 9th Joint Conference on Information Sciences，4頁
显示于类别:	[電機工程學系暨研究所] 會議論文

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