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Person Attribute Search For Large-Area Video Surveillance

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Author
Thornton, Jason
Butler, Daniel
Baran-Gale, Jeanette
Chan, Michael
Zwahlen, Heather
Date
2012-05
Metadata
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Abstract
"This paper describes novel video analytics technology which allows an operator to search through large volumes of surveillance video data to find persons that match a particular attribute profile. Since the proposed technique is geared for surveillance of large areas, this profile consists of attributes that are observable at a distance (including clothing information, hair color, gender, etc.) rather than identifying information at the face level. The purpose of this tool is to allow security staff or investigators to quickly locate a person-of-interest in real time (e.g., based on witness descriptions) or to speed up the process of video-based forensic investigations. The proposed algorithm consists of two main components: a technique for detecting individual moving persons in large and potentially crowded scenes and an algorithm for scoring how well each detection matches a given attribute profile based on a generative probabilistic model. The system described in this paper has been implemented as a proof-of-concept interactive software tool and has been applied to different test video datasets, including collections in an airport terminal and collections in an outdoor environment for law enforcement monitoring. This paper discusses performance statistics measured on these datasets, as well as key algorithmic challenges and useful extensions of this work based on end-user feedback."
Description
This article appeared in Homeland Security Affairs (May 2012), supplement 5, article 1
Rights
This publication is a work of the U.S. Government as defined in Title 17, United States Code, Section 101. Copyright protection is not available for this work in the United States.
URI
http://hdl.handle.net/10945/25001
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  • Faculty and Researchers' Publications
  • Homeland Security Affairs (Journal)

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