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An active model for facial feature tracking
Linköping University, Department of Electrical Engineering, Image Coding. Linköping University, The Institute of Technology.ORCID iD: 0000-0002-6763-5487
2002 (English)In: EURASTP journal an applied signal processing, ISSN 1110-8657, E-ISSN 1687-0433, Vol. 2002, no 6, 566-571 p.Article in journal (Refereed) Published
Abstract [en]

We present a system for finding and tracking a face and extract global and local animation parameters from a video sequence. The system uses an initial colour processing step for finding a rough estimate of the position, size, and inplane rotation of the face, followed by a refinement step drived by an active model. The latter step refines the previous estimate, and also extracts local animation parameters. The system is able to track the face and some facial features in near real-time, and can compress the result to a bitstream compliant to MPEG-4 face and body animation.

Place, publisher, year, edition, pages
Hindawi Publishing Corporation, 2002. Vol. 2002, no 6, 566-571 p.
Keyword [en]
Active appearance models, Facial feature tracking, Free tracking, Model-based coding, MPEG-4 face and body animation
National Category
Signal Processing
Identifiers
URN: urn:nbn:se:liu:diva-46992DOI: 10.1155/S1110865702203078OAI: oai:DiVA.org:liu-46992DiVA: diva2:267888
Available from: 2009-10-11 Created: 2009-10-11 Last updated: 2017-12-13Bibliographically approved

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Ahlberg, Jörgen

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