Joint Fingerprinting and Decryption for VQ Images through Bipartite Matching

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題名:	Joint Fingerprinting and Decryption for VQ Images through Bipartite Matching
作者:	林智揚;Lin, Chih-Yang
貢獻者:	資訊工程學系
關鍵詞:	vector quantization;joint fingerprinting and decryption;traitor tracing
日期:	2012-08
上傳時間:	2012-11-26 05:58:23 (UTC+0)
摘要:	The legality of redistribution of digital content over the Internet has become critical in commerce. The goal of the traitor tracing problem is to find out the traitor who illegally distributes the digital content. In this paper, a joint fingerprinting and decryption (JFD) scheme based on vector quantization and bipartite matching for traitor tracing is proposed. Before transmission, the proposed method encrypts the VQ compressed image through bipartite graphs. After the receiver performs decryption and fingerprinting, the recover image containing user’s fingerprint is only slightly different from the original one and can be used for traitor tracing. The experimental results show that the encrypted image possesses unintelligibility and the recovered image has desirable image quality greatly related to the codebook size.
關聯:	the sixth International Conference on Genetic and Evolutionary Computing
顯示於類別:	[資訊工程學系] 期刊論文

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