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Proceedings Paper

Robust watermarking of video objects for MPEG-4 applications
Author(s): Patrick Bas; Nikolaos V. Boulgouris; Filippos D. Koravos; Jean-Marc Chassery; Michael G. Strintzis; Benoit M. M. Macq
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Paper Abstract

This paper presents two different watermarking schemes devoted to protect video objects. The first presented scheme performs embedding and detection in the uncompressed domain. It has been developed to enable signature detection after object manipulations such as rotations, translations and VOL modifications. To achieve these requirements, the first scheme exploits the shape of the object using CPA analysis: a random sequence is transformed to fit the scale and the orientation of the object. The detection of the mark is performed applying an inverse transform and calculating a correlation between the random sequence and the transformed object. The second scheme is based on compressed-domain processing of video objects. Two different signals are embedded, one for synchronization recovery and another for copyright protection. Both signals are embedded and detected in the compressed domain. During detection, first synchronization recovery is performed and then the copyright watermark is extracted.

Paper Details

Date Published: 7 December 2001
PDF: 10 pages
Proc. SPIE 4472, Applications of Digital Image Processing XXIV, (7 December 2001); doi: 10.1117/12.449743
Show Author Affiliations
Patrick Bas, Univ. Catholique de Louvain (France)
Nikolaos V. Boulgouris, Aristotle Univ. and Informatics and Telematics Insitute (Greece)
Filippos D. Koravos, Aristotle Univ. and Informatics and Telematics Insitute (Greece)
Jean-Marc Chassery, Institut National Polytechnique de Grenoble (France)
Michael G. Strintzis, Aristotle Univ. and Informatics and Telematics Institute (Greece)
Benoit M. M. Macq, Univ. Catholique de Louvain (Belgium)


Published in SPIE Proceedings Vol. 4472:
Applications of Digital Image Processing XXIV
Andrew G. Tescher, Editor(s)

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