NDLI: An Efficient Key Generation Method in Audio Zero-Watermarking

Content Provider	IEEE Xplore Digital Library
Author	Ciptasari, R.W. Yulianto, F.A. Fajar, A. Sakurai, K.
Copyright Year	2011
Abstract	This paper proposes modification of previous audio zero-watermarking, proposed by Chen et. al [1], in terms of its watermark-key generation. We investigate that the size of previous watermark detection key is around two or three times larger than its watermark data. In order to yield an efficient key rather than generating three secret keys, we will exploit data indices, instead of field indices, to store the key. Compared to previous method, our watermark key's size is relatively the same as its watermark data. Despite of having smaller key size, the experiment demonstrates that our scheme has maximum imperceptibility level, indicated by SNR value, and can resist to several non-malicious attacks, such as echo addition, band pass filtering and re-sampling. In addition, we also address the invertibility and quasi-invertibility of our scheme for resolving rightful ownership, and present attack which can cause confusion to rightful claim. We list the objective of attacks, abilities of attacker, and a scenario to evaluate its security. According to the experimental result, our proposed scheme still remains several limitations, regardless of certification authority existence.
Starting Page	336
Ending Page	339
File Size	223389
Page Count	4
File Format	PDF
ISBN	9781457713972
DOI	10.1109/IIHMSP.2011.63
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-10-14
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Correlation Audio zero-watermarking Watermarking Counterfeit attacks Invertibility Robustness Discrete wavelet transforms Data mining Quasiinvertibility Signal to noise ratio
Content Type	Text
Resource Type	Article

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