Image-Based Interpolation of Elastic Properties in Bone
Union College: Dept of Mechanical Engineering
May 13, 2005
Pastries and Beverages will be served.
An objective of the work to be presented in this seminar includes reaping from medical images of bone more elastic properties information than currently is obtained, thereby permitting high resolution mapping of these properties in patient-specific computational models of skeletal elements. Although imaging spatial resolutions continue to increase, the resolution at which the properties can be probed continually lags behind. No matter how fine the mechanical probe, specimen preparation necessarily removes material that is precluded from mechanical probing but for which imaging data exist. Addressed in this seminar will be the development of an eigensystem-based interpolation method that uses imaging data to restore missing elastic data. The inadequacy of a component-wise interpolation method will be exposed using a hypothetical inhomogeneous isotropic material. Finally, the determination of the imaging distance required for the eigensystem-based interpolation will be demonstrated using real data.
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