NDLI: Perspective Symmetry Invariant and Its Applications

Content Provider	IEEE Xplore Digital Library
Author	Tianqiang Yuan Shuicheng Yan Xiaoou Tang
Copyright Year	2006
Description	Author affiliation: Dept. of Inf. Eng., Hong Kong Chinese Univ. (Tianqiang Yuan; Shuicheng Yan; Xiaoou Tang)
Abstract	Face is a perceptually symmetric object; however, it often appears not so in captured image due to the rotation in depth within the 3D space. In this paper, we explore the invariant of the symmetry point pair when the pose and symmetry radius are changed. Under the general perspective camera model, we present an invariant, called perspective symmetry invariant (PSI), which only depends on the focus length and the rotation angle in depth when the angle is relatively small. PSI is discriminating for pose estimation; meanwhile, it can be used to synthesize face shape in novel views with different PSI values. Encouraging experiments on these two contributions of PSI are presented
Sponsorship	IEEE CPS
Starting Page	65
Ending Page	68
File Size	297364
Page Count	4
File Format	PDF
ISBN	0769525210
ISSN	10514651
DOI	10.1109/ICPR.2006.930
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2006-08-20
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Cameras Geometry Face detection Face recognition Active shape model Solid modeling Focusing Layout Lighting Three dimensional displays
Content Type	Text
Resource Type	Article
Subject	Computer Vision and Pattern Recognition

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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