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Facilitating watermark insertion by preprocessing media
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EURASIP Journal on Applied Signal Processing archiveVolume 2004 , Issue 1 (January 2004) table of contents
Pages: 2081 - 2092
Year of Publication: 2004
ISSN:1110-8657
Authors
Ingemar J. Cox
Departments of Computer Science and Electronic and Electrical Engineering, University College London, Martlesham Heath, Ipswish, Suffolk, UK
Matt L. Miller
NEC Research Institute, Princeton, NJ
Publisher
Hindawi Publishing Corp. New York, NY, United States
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10.1155/S1110865704403072
ABSTRACT
There are several watermarking applications that require the deployment of a very large number of watermark embedders. These applications often have severe budgetary constraints that limit the computation resources that are available. Under these circumstances, only simple embedding algorithms can be deployed, which have limited performance. In order to improve performance, we propose preprocessing the original media. It is envisaged that this preprocessing occurs during content creation and has no budgetary or computational constraints. Preprocessing combined with simple embedding creates a watermarked Work, the performance of which exceeds that of simple embedding alone. However, this performance improvement is obtained without any increase in the computational complexity of the embedder. Rather, the additional computational burden is shifted to the preprocessing stage. A simple example of this procedure is described and experimental results confirm our assertions.