Watermark detection for video bookmarking using mobile phone camera

Authors:
Peter Meerwald;Andreas Uhl
Affiliations:
Dept. of Computer Sciences, University of Salzburg, Salzburg, Austria;Dept. of Computer Sciences, University of Salzburg, Salzburg, Austria
Venue:
CMS'10 Proceedings of the 11th IFIP TC 6/TC 11 international conference on Communications and Multimedia Security
Year:
2010

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Abstract

In this paper we investigate a watermarking application for bookmarking of video content using a mobile phone's camera. A content identifier and time-stamp information are embedded in individual video frames and decoded from a single frame captured from a display device, allowing to remember ('bookmark') scenes in the video. We propose a simple watermarking scheme and blind image registration to combat the inherent geometric distortion due to digital/analog conversion. The work-in-progress shows promising results over previous approaches.