AUTHENTICATION OF MPEG-4 BASED SURVEILLANCE VIDEO (MA-L1)

Author(s) : Michael Pramateftakis (Technische Universitaet Muenchen, Germany) Tobias Oelbaum (Technische Universitaet Muenchen, Germany) Klaus Diepold (Technische Universitaet Muenchen, Germany)

Abstract : The industry is currently starting to use MPEG-4 compressed digital video for surveillance applications. This transition from analog to digital raises difficulties for using surveillance video in court. Since it is fairly easy to make hard-to-detect modifications to the video stream captured by the cameras, e.g. mask out a specific event or person, a system for proving authenticity and integrity of video streams is needed. This paper presents such a system based on digital signatures embedded in the video stream. Our concept provides a means for proving authenticity and integrity of MPEG-4 digital video streams, while leaving compatibility with standard media players untouched.

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