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27 January 2010 SIFT features in semi-fragile video watermarks
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Proceedings Volume 7541, Media Forensics and Security II; 75410B (2010)
Event: IS&T/SPIE Electronic Imaging, 2010, San Jose, California, United States
Semi-fragile video watermarking is a technology for detecting manipulations. It provides robustness against content-preserving manipulations as well as sensitivity to content-changing manipulations. To achieve this, robust content-describing features are applied. We use the SIFT keypoint detection as feature for our semifragile video watermarking scheme introduced in this work. SIFT (Scale Invariant Feature Transformation) detects points invariant to image scale and rotation and can be used for object matching after changing the 3D viewpoint, addition of noise and modifications in illumination. With the detected feature points we generate an authentication message, which is embedded with a robust video watermark. In the verification process we introduce a temporal filtering approach to reduce the distortions caused by content-preserving manipulations. We present experimental results demonstrating the robustness and sensitivity of our scheme.
© (2010) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Stefan Thiemert and Martin Steinebach "SIFT features in semi-fragile video watermarks", Proc. SPIE 7541, Media Forensics and Security II, 75410B (27 January 2010);


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