Digital Watermarks Using Discrete Wavelet Transformation and Spectrum Spreading

In recent tears, digital media makes rapid progress through the development of digital technology. Digital media normally assures fairly high quality, nevertheless can be easily reproduced in a perfect form. This perfect reproducibility takes and advantage from a certain point of view, while it prod...

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Bibliographic Details
Main Authors: Ryousuke Takai, Kenji Nagasaka
Format: Article
Language:English
Published: International Institute of Informatics and Cybernetics 2003-12-01
Series:Journal of Systemics, Cybernetics and Informatics
Subjects:
Online Access:http://www.iiisci.org/Journal/CV$/sci/pdfs/P551143.pdf