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Mesh-based vs. Image-based Statistical Model of Appearance of the Human Femur: A Preliminary Comparison Study for the Creation of Finite Element Meshes

Abstract : Statisticalmodelshavebeenrecentlyintroducedincomputational orthopaedics to investigate the bone mechanical properties across several populations. A fundamental aspect for the construction of statistical models concerns the establishment of accurate anatomical correspondences among the objects of the training dataset. Various methods have been proposed to solve this problem such as mesh morphing or image registration algorithms. The objective of this study is to compare a mesh-based and an image-based statistical appearance model approaches for the creation of finite element(FE) meshes. A computer tomography (CT) dataset of 157 human left femurs was used for the comparison. For each approach, 30 finite element meshes were generated with the models. The quality of the obtained FE meshes was evaluated in terms of volume, size and shape of the elements. Results showed that the quality of the meshes obtained with the image-based approach was higher than the quality of the mesh-based approach. Future studies are required to evaluate the impact of this finding on the final mechanical simulations.
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https://hal.inria.fr/hal-00813794
Contributor : Project-Team Asclepios <>
Submitted on : Tuesday, April 16, 2013 - 11:12:29 AM
Last modification on : Friday, January 18, 2019 - 1:20:05 AM

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  • HAL Id : hal-00813794, version 1

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S. Bonaretti, Christof Seiler, C. Boichon, P. Büchler, Mauricio Reyes. Mesh-based vs. Image-based Statistical Model of Appearance of the Human Femur: A Preliminary Comparison Study for the Creation of Finite Element Meshes. Mesh Processing in Medical Image Analysis Workshop MICCAI, 2011, Toronto, Canada. ⟨hal-00813794⟩

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