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Proceedings Paper

Software-based universal demultiplexing: threshold-free energy minimization approach
Author(s): Frederic Guichard; Alexander Litz; Lenny I. Rudin; Ping Yu
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Paper Abstract

Software-based grouping of multiplexed video based on video content, as opposed to the signal generated by multiplexers, is described. The method is based on energy minimization approach. The algorithm automatically determines the amount of multiplexed camera views, and then the frames are grouped with respect to camera views. The algorithm is free of any threshold differences between camera views, and does not depend on the presence of quiet zones. The method also compensates for interference noise, local and global motion, are contrast changes.

Paper Details

Date Published: 21 February 2001
PDF: 8 pages
Proc. SPIE 4232, Enabling Technologies for Law Enforcement and Security, (21 February 2001); doi: 10.1117/12.417575
Show Author Affiliations
Frederic Guichard, Cognitech, Inc. (United States)
Alexander Litz, Cognitech, Inc. (United States)
Lenny I. Rudin, Cognitech, Inc. (United States)
Ping Yu, Cognitech, Inc. (United States)


Published in SPIE Proceedings Vol. 4232:
Enabling Technologies for Law Enforcement and Security
Simon K. Bramble; Lenny I. Rudin; Simon K. Bramble; Edward M. Carapezza; Lenny I. Rudin, Editor(s)

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