Robust watermarking of video objects for MPEG-4 applications

Patrick Bas; Nikolaos V. Boulgouris; Filippos D. Koravos; Jean-Marc Chassery; Michael G. Strintzis; Benoit M. M. Macq

doi:10.1117/12.449743

7 December 2001 Robust watermarking of video objects for MPEG-4 applications

Patrick Bas, Nikolaos V. Boulgouris, Filippos D. Koravos, Jean-Marc Chassery, Michael G. Strintzis, Benoit M. M. Macq

Proceedings Volume 4472, Applications of Digital Image Processing XXIV; (2001) https://doi.org/10.1117/12.449743
Event: International Symposium on Optical Science and Technology, 2001, San Diego, CA, United States

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.

Citation Download Citation

Patrick Bas, Nikolaos V. Boulgouris, Filippos D. Koravos, Jean-Marc Chassery, Michael G. Strintzis, and Benoit M. M. Macq "Robust watermarking of video objects for MPEG-4 applications", Proc. SPIE 4472, Applications of Digital Image Processing XXIV, (7 December 2001); https://doi.org/10.1117/12.449743

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