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An experimental illustration of 3D facial ...
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Document type :
Article dans une revue scientifique
Title :
An experimental illustration of 3D facial shape analysis under facial expressions
Author(s) :
Ben Amor, Boulbaba [Auteur]
FOX MIIRE [LIFL]
Drira, Hassen [Auteur]
FOX MIIRE [LIFL]
Ballihi, Lahoucine [Auteur]
FOX MIIRE [LIFL]
Laboratoire de Recherche en Informatique et Télécommunications [Rabat] [GSCM-LRIT]
Srivastava, Anuj [Auteur]
Department of Statistics [Tallahassee, FL]
Daoudi, Mohamed [Auteur]
FOX MIIRE [LIFL]
Journal title :
Annals of Telecommunications - annales des télécommunications
Pages :
369-379
Publisher :
Springer
Publication date :
2009
ISSN :
0003-4347
English keyword(s) :
Facial shape analysis
3D Face recognition
automatic preprocessing
HAL domain(s) :
Informatique [cs]/Vision par ordinateur et reconnaissance de formes [cs.CV]
English abstract : [en]
The main goal of this paper is to illustrate a geometric analysis of 3D facial shapes in presence of varying facial expressions. This approach consists of the following two main steps: (i) Each facial surface is automatically ...
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The main goal of this paper is to illustrate a geometric analysis of 3D facial shapes in presence of varying facial expressions. This approach consists of the following two main steps: (i) Each facial surface is automatically denoised and preprocessed to result in an indexed collection of facial curves. During this step one detects the tip of the nose and defines a surface distance function with that tip as the reference point. The level curves of this distance function are the desired facial curves. (ii) Comparisons between faces are based on optimal deformations from one to another. This, in turn, is based on optimal deformations of the corresponding facial curves across surfaces under an elastic metric. The experimental results, generated using a subset of FRGC (Face Recognition Grand Challenge) v2 dataset, demonstrate the success of the proposed framework in recognizing people under different facial expressions. The recognition rates obtained here exceed those for a baseline ICP algorithm on the same dataset.Show less >
Language :
Anglais
Peer reviewed article :
Oui
Audience :
Internationale
Popular science :
Non
Collections :
  • Centre de Recherche en Informatique, Signal et Automatique de Lille (CRIStAL) - UMR 9189
Source :
Harvested from HAL
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