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Watermarking in online media e-business

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2 Author(s)
S. H. Kwok ; Dept. of Inf. & Syst. Manage., Hong Kong Univ. of Sci. & Technol., Kowloon, China ; C. C. Yang

The need for copyright protection has become a detachable requirement for online media e-business as online multimedia businesses and enabling technologies become viable in recent years. Watermarking enables copyright protection in e-business but it also slows down the packaging process for delivery. The requirement of instant delivery is a prime requirement for online business. In the literature, extensive research on watermarking performance has been emphasized on imperceptibility and robustness but not the efficiency factor for online e-business, for example processing time and storage requirement that are crucial to the success of online e-business. We investigate four watermarking schemes derived from one-bit watermarking, multiple-bit watermarking and their combinations in order to identify a viable watermarking scheme that can meet the requirements of online e-business. The performance of these schemes in terms of preparation time, delivery time and storage requirement are measured and reported. Our analysis proves that the watermarking schemes with multiple-bit watermarking can ensure instant delivery with a penalty of some extra storage requirements.

Published in:

Information Technology: Coding and Computing, 2002. Proceedings. International Conference on

Date of Conference:

8-10 April 2002