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Probabilistic Modeling and Visualization of the Flexibility in Morphable Models

Lüthi, Marcel and Albrecht, Thomas and Vetter, Thomas. (2009) Probabilistic Modeling and Visualization of the Flexibility in Morphable Models. In: Mathematics of Surfaces XIII : 13th IMA International Conference York, UK, September 7-9, 2009 Proceedings. Berlin, pp. 251-264.

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Official URL: http://edoc.unibas.ch/dok/A5253828

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Abstract

Statistical shape models, and in particular morphable models,have gained widespread use in computer vision, computer graphicsand medical imaging. Researchers have started to build models of almostany anatomical structure in the human body.While these models providea useful prior for many image analysis task, relatively little informationabout the shape represented by the morphable model is exploited. Wepropose a method for computing and visualizing the remaining flexibility,when a part of the shape is fixed. Our method, which is based on ProbabilisticPCA, not only leads to an approach for reconstructing the fullshape from partial information, but also allows us to investigate and visualizethe uncertainty of a reconstruction. To show the feasibility of ourapproach we performed experiments on a statistical model of the humanface and the femur bone. The visualization of the remaining flexibilityallows for greater insight into the statistical properties of the shape.
Faculties and Departments:05 Faculty of Science > Departement Mathematik und Informatik > Informatik > Computergraphik Bilderkennung (Vetter)
UniBasel Contributors:Vetter, Thomas and Lüthi, Marcel and Albrecht, Thomas
Item Type:Conference or Workshop Item, refereed
Conference or workshop item Subtype:Conference Paper
Bibsysno:Link to catalogue
Publisher:Springer
ISBN:978-3-642-03596-8 ; 978-3-642-03595-1
Series Name:Lecture Notes in Computer Science
Issue Number:5654
Note:Publication type according to Uni Basel Research Database: Conference paper
Identification Number:
Last Modified:22 Mar 2012 14:27
Deposited On:22 Mar 2012 13:57

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