NDLI: Color Constancy Using Shadow-Based Illumination Maps for Appearance-Based Person Re-identification

Content Provider	IEEE Xplore Digital Library
Author	Monari, E.
Copyright Year	2012
Abstract	Robust people re-identification is one of the most challenging task, and still an unsolved problem for several applications in video surveillance. A large number of approaches use colors as main features for object description, which are in fact important cues for re-identification. However, colors captured by a camera suffer from unknown and changing global and local illumination conditions in the scene. Thus, color constancy is an essential pre-condition for robust color-based person re-identification. In this paper we introduce a new approach for automated estimation and compensation of local illumination in the scene. The proposed approach allows for handling of multiple light sources in the scene, and to compensate backlight illumination simultaneously. Both are continuous problems with high relevance to practical use of color-based approaches in video surveillance.
Starting Page	197
Ending Page	202
File Size	594150
Page Count	6
File Format	PDF
ISBN	9781467324991
e-ISBN	9780769547978
DOI	10.1109/AVSS.2012.22
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-09-18
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Image color analysis people re-identification color constancy Lighting Estimation Color Cameras Video surveillance multi-camera video surveillance color matching Light sources
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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