NDLI: Simplification of 3D morphable models

Content Provider	IEEE Xplore Digital Library
Author	Patel, A. Smith, W.A.P.
Copyright Year	2011
Description	Author affiliation: Department of Computer Science, The University of York, USA (Patel, A.; Smith, W.A.P.)
Abstract	In this paper we show how to simplify a 3D morphable model. Our method only requires knowledge of the original highest resolution statistical model and leads to low resolution models in which the model statistics are a subset of the original high resolution model. We employ an iterative edge collapse strategy, where the deleted edge is chosen as a function of the model statistics. We show that the expected value of the Quadric Error Metric can be computed in closed form for a PCA deformable model. Model parameters obtained using the model at any resolution (lower) can be used to reconstruct a high resolution surface, providing a route to super-resolution. We provide experimental results for a statistical face model, showing how the simplified models improve the efficiency of model fitting. We are able to decrease the model resolution and fitting time by factors of approximately 10 and 4 respectively whilst inducing an error which is only slightly larger than the fitting error of the original model.
Starting Page	271
Ending Page	278
File Size	2637767
Page Count	8
File Format	PDF
ISBN	9781457711015
ISSN	15505499
e-ISBN	9781457711022
DOI	10.1109/ICCV.2011.6126252
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-11-06
Publisher Place	Spain
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Computational modeling Shape Solid modeling Data models Vectors Mathematical model Three dimensional displays
Content Type	Text
Resource Type	Article
Subject	Computer Vision and Pattern Recognition Software

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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
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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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