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Publisher
Springer, Berlin, Heidelberg
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Authors: ChihChin Lai WeiShun Wang CiFong Jhan
Publish Date: 2010/11/10
Volume: , Issue: , Pages: 21-28
Abstract
With the widespread use of computers and Internet users have more chances to use multimedia data and digital contents As a result illegal reproduction of digital information started to pose a real problem Digital watermarking has been regarded as an effective solution to protect various kinds of digital contents against illegal use In this paper a watermarking technique which applies the discrete cosine transformation and particle swarm optimization is presented Experimental results demonstrate that the proposed technique is able to withstand a variety of attacks
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