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Video indexing based on mosaic representations

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2 Author(s)
Irani, M. ; Sarnoff Corp., Princeton, NJ, USA ; Anandan, P.

Video is a rich source of information. It provides visual information about scenes. This information is implicitly buried inside the raw video data, however, and is provided with the cost of very high temporal redundancy. While the standard sequential form of video storage is adequate for viewing in a movie mode, it fails to support rapid access to information of interest that is required in many of the emerging applications of video. This paper presents an approach for efficient access, use and manipulation of video data. The video data are first transformed from their sequential and redundant frame-based representation, in which the information about the scene is distributed over many frames, to an explicit and compact scene-based representation, to which each frame can be directly related. This compact reorganization of the video data supports nonlinear browsing and efficient indexing to provide rapid access directly to information of interest. This paper describes a new set of methods for indexing into the video sequence based on the scene-based representation. These indexing methods are based on geometric and dynamic information contained in the video. These methods complement the more traditional content-based indexing methods, which utilize image appearance information (namely, color and texture properties) but are considerably simpler to achieve and are highly computationally efficient

Published in:

Proceedings of the IEEE  (Volume:86 ,  Issue: 5 )