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- Duc, BenoıtMotorola, Inc., Geneva, Switzerland (författare)
Face authentication with Gabor information on deformable graphs
- Artikel/kapitelEngelska1999
Förlag, utgivningsår, omfång ...
- New York, NY :IEEE Press,1999
- printrdacarrier
Nummerbeteckningar
- LIBRIS-ID:oai:DiVA.org:hh-14896
- https://urn.kb.se/resolve?urn=urn:nbn:se:hh:diva-14896URI
- https://doi.org/10.1109/83.753738DOI
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- Språk:engelska
- Sammanfattning på:engelska
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Anmärkningar
- Elastic graph matching has been proposed as a practical implementation of dynamic link matching, which is a neural network with dynamically evolving links between a reference model and an input image. Each node of the graph contains features that characterize the neighborhood of its location in the image. The elastic graph matching usually consists of two consecutive steps, namely a matching with a rigid grid, followed by a deformation of the grid, which is actually the elastic part. The deformation step is introduced in order to allow for some deformation, rotation, and scaling of the object to be matched. This method is applied here to the authentication of human faces where candidates claim an identity that is to be checked. The matching error as originally suggested is not powerful enough to provide satisfying results in this case. We introduce an automatic weighting of the nodes according to their significance. We also explore the significance of the elastic deformation for an application of face-based person authentication. We compare performance results obtained with and without the second matching step. Results show that the deformation step slightly increases the performance, but has lower influence than the weighting of the nodes. The best results are obtained with the combination of both aspects. The results provided by the proposed method compare favorably with two methods that require a prior geometric face normalization, namely the synergetic and eigenface approaches
Ämnesord och genrebeteckningar
- NATURVETENSKAP Data- och informationsvetenskap hsv//swe
- NATURAL SCIENCES Computer and Information Sciences hsv//eng
- face recognition
- person authentication
- face verification
- local discriminants
- computer vision
- matching
- Gabor filter
- local orientation
- Information technology
- Informationsteknik
Biuppslag (personer, institutioner, konferenser, titlar ...)
- Fischer, StefanFASTCOM Technology, S.A., Lausanne (författare)
- Bigun, JosefHögskolan i Halmstad,Halmstad Embedded and Intelligent Systems Research (EIS)(Swepub:hh)josef (författare)
- Motorola, Inc., Geneva, SwitzerlandFASTCOM Technology, S.A., Lausanne (creator_code:org_t)
Sammanhörande titlar
- Ingår i:IEEE Transactions on Image ProcessingNew York, NY : IEEE Press8:4, s. 504-5161057-71491941-0042
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