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Authors: Mohamed Dahmane ; Jean Meunier and Jean Meunier

Affiliation: Diro, Université de Montréal, Canada

Related Ontology Subjects/Areas/Topics: Applications ; Computer Vision, Visualization and Computer Graphics ; Feature Extraction ; Features Extraction ; Image and Video Analysis ; Informatics in Control, Automation and Robotics ; Pattern Recognition ; Signal Processing, Sensors, Systems Modeling and Control ; Software Engineering ; Video Analysis

Abstract: In this work, we develop a multi-scale approach for automatic facial feature detection and tracking. The method is based on a coarse to fine paradigm to characterize a set of facial fiducial points using a bank of Gabor filters that have interesting properties such as directionality, scalability and hierarchy. When the first face image is captured, a trained grid is used on the coarsest level to estimate a rough position for each facial feature. Afterward, a refinement stage is performed from the coarsest to the finest (original) image level to get accurate positions. These are then tracked over the subsequent frames using a modification of a fast phase– based technique. This includes a redefinition of the confidence measure and introduces a conditional disparity estimation procedure. Experimental results show that facial features can be localized with high accuracy and that their tracking can be kept during long periods of free head motion.

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Paper citation in several formats:
Dahmane, M.; Meunier, J. and Meunier, J. (2008). ENHANCED PHASE–BASED DISPLACEMENT ESTIMATION - An Application to Facial Feature Extraction and Tracking. In Proceedings of the Third International Conference on Computer Vision Theory and Applications (VISIGRAPP 2008) - Volume 1: VISAPP; ISBN 978-989-8111-21-0; ISSN 2184-4321, SciTePress, pages 427-433. DOI: 10.5220/0001081804270433

@conference{visapp08,
author={Mohamed Dahmane. and Jean Meunier. and Jean Meunier.},
title={ENHANCED PHASE–BASED DISPLACEMENT ESTIMATION - An Application to Facial Feature Extraction and Tracking},
booktitle={Proceedings of the Third International Conference on Computer Vision Theory and Applications (VISIGRAPP 2008) - Volume 1: VISAPP},
year={2008},
pages={427-433},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0001081804270433},
isbn={978-989-8111-21-0},
issn={2184-4321},
}

TY - CONF

JO - Proceedings of the Third International Conference on Computer Vision Theory and Applications (VISIGRAPP 2008) - Volume 1: VISAPP
TI - ENHANCED PHASE–BASED DISPLACEMENT ESTIMATION - An Application to Facial Feature Extraction and Tracking
SN - 978-989-8111-21-0
IS - 2184-4321
AU - Dahmane, M.
AU - Meunier, J.
AU - Meunier, J.
PY - 2008
SP - 427
EP - 433
DO - 10.5220/0001081804270433
PB - SciTePress

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