NDLI: Two faces are better than one: Face recognition in group photographs

Content Provider	IEEE Xplore Digital Library
Author	Manyam, O.K. Kumar, N. Belhumeur, P. Kriegman, D.
Copyright Year	2011
Description	Author affiliation: Columbia University, New York, USA (Kumar, N.; Belhumeur, P.) \|\| University of California San Diego, USA (Manyam, O.K.; Kriegman, D.)
Abstract	Face recognition systems classically recognize people individually. When presented with a group photograph containing multiple people, such systems implicitly assume statistical independence between each detected face. We question this basic assumption and consider instead that there is a dependence between face regions from the same image; after all, the image was acquired with a single camera, under consistent lighting (distribution, direction, spectrum), camera motion, and scene/camera geometry. Such naturally occurring commonalities between face images can be exploited when recognition decisions are made jointly across the faces, rather than independently. Furthermore, when recognizing people in isolation, some features such as color are usually uninformative in unconstrained settings. But by considering pairs of people, the relative color difference provides valuable information. This paper reconsiders the independence assumption, introduces new features and methods for recognizing pairs of individuals in group photographs, and demonstrates a marked improvement when these features are used in joint decision making vs. independent decision making. While these features alone are only moderately discriminative, we combine these new features with state-of-art attribute features and demonstrate effective recognition performance. Initial experiments on two datasets show promising improvements in accuracy.
Starting Page	1
Ending Page	8
File Size	1029290
Page Count	8
File Format	PDF
ISBN	9781457713583
e-ISBN	9781457713590
e-ISBN	9781457713576
DOI	10.1109/IJCB.2011.6117516
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-10-11
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
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
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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