Design of a multiple component geometric breast phantom

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Title: Design of a multiple component geometric breast phantom
Author: Baum, Karl; McNamara, Kevin; Helguera, María
Abstract: The quality and realism of simulated images is currently limited by the quality of the digital phantoms used for the simulations. The transition from simple raster based phantoms to more detailed geometric (mesh) based phantoms has the potential to increase the usefulness of the simulated data. A preliminary breast phantom which contains 12 distinct tissue classes along with the tissue properties necessary for the simulation of dynamic positron emission tomography scans was created (activity and attenuation). The phantom contains multiple components which can be separately manipulated, utilizing geometric transformations, to represent populations or a single individual being imaged in multiple positions. A new relational descriptive language is presented which conveys the relationships between individual mesh components. This language, which defines how the individual mesh components are composed into the phantom, aids in phantom development by enabling the addition and removal of components without modification of the other components, and simplifying the definition of complex interfaces. Results obtained when testing the phantom using the SimSET PET/SPECT simulator are very encouraging.
Description: Medical Imaging 2008: Physics of Medical Imaging. Edited by Hsieh, Jiang; Samei, Ehsan, Proceedings of the SPIE, Volume 6913, pp. 69134H-69134H-12 (2008).
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Date: 2008

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