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10854 A MAP approach to landmarking
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Beumer, G.M. and Veldhuis, R.N.J. (2007) A MAP approach to landmarking. In: Proceedings of the 28th Symposium on Information Theory in the Benelux, 24-25 May 2007, Enschede, The Netherlands. pp. 183-188. Werkgemeenschap voor Informatie- en Communicatietheorie. ISBN 978-90-365-2509-1

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Abstract

Landmarking can be seen as calculating the maximum a posteriori probability of a certain set of landmarks given a certain image (texture) which contains a face. The MLLL plus BILBO algorithm by Beumer et al [1] is one method.
An improvement to this existing landmarking algorithm, MLLL in combination with BILBO, is presented. MLLL uses a likelihood ratio based similarity score to mark candidate landmark locations. BILBO uses a statistical method on the
shape to correct outliers. A theoretical analysis of this intuitive approach shows new insight.
In order to verify this theory we performed a simple experiment. The results show that using the new method performs significantly better than when only using the similarity score method (MLLL) in combination with outlier removal (BILBO).

Item Type:Conference or Workshop Paper (Full Paper, Talk)
Research Group:EWI-SAS: Signals and Systems
Research Program:CTIT-WiSe: Wireless and Sensor Systems
Research Project:BASIS: Biometric Authentication Supporting Invisible Security
ID Code:10854
Status:Published
Deposited On:24 September 2007
Refereed:No
International:No
More Information:statisticsmetis

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