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Authors: Gaurav Gupta 1 ; Josef Pieprzyk 1 and Mohan Kankanhalli 2

Affiliations: 1 Macquarie University, Australia ; 2 National University of Singapore, Singapore

Keyword(s): Watermarking, Copyright protection.

Related Ontology Subjects/Areas/Topics: Authentication and Watermarking ; Multimedia ; Multimedia Systems and Applications ; Telecommunications

Abstract: Numeric sets can be used to store and distribute important information such as currency exchange rates and stock forecasts. It is useful to watermark such data for proving ownership in case of illegal distribution by someone. This paper analyzes the numerical set watermarking model presented by Sion et. al in “On watermarking numeric sets”, identifies it’s weaknesses, and proposes a novel scheme that overcomes these problems. One of the weaknesses of Sion’s watermarking scheme is the requirement to have a normally-distributed set, which is not true for many numeric sets such as forecast figures. Experiments indicate that the scheme is also susceptible to subset addition and secondary watermarking attacks. The watermarking model we propose can be used for numeric sets with arbitrary distribution. Theoretical analysis and experimental results show that the scheme is strongly resilient against sorting, subset selection, subset addition, distortion, and secondary watermarking attacks.

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Paper citation in several formats:
Gupta, G.; Pieprzyk, J. and Kankanhalli, M. (2009). ROBUST AND REVERSIBLE NUMERICAL SET WATERMARKING. In Proceedings of the International Conference on Signal Processing and Multimedia Applications (ICETE 2009) - SIGMAP; ISBN 978-989-674-007-8, SciTePress, pages 141-148. DOI: 10.5220/0002186901410148

@conference{sigmap09,
author={Gaurav Gupta. and Josef Pieprzyk. and Mohan Kankanhalli.},
title={ROBUST AND REVERSIBLE NUMERICAL SET WATERMARKING},
booktitle={Proceedings of the International Conference on Signal Processing and Multimedia Applications (ICETE 2009) - SIGMAP},
year={2009},
pages={141-148},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0002186901410148},
isbn={978-989-674-007-8},
}

TY - CONF

JO - Proceedings of the International Conference on Signal Processing and Multimedia Applications (ICETE 2009) - SIGMAP
TI - ROBUST AND REVERSIBLE NUMERICAL SET WATERMARKING
SN - 978-989-674-007-8
AU - Gupta, G.
AU - Pieprzyk, J.
AU - Kankanhalli, M.
PY - 2009
SP - 141
EP - 148
DO - 10.5220/0002186901410148
PB - SciTePress

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