Object-based 3D binary reconstruction from sparse projections in cone beam CT: Comparison of three projection operators

Abstract : We present herein a level set approach to the X-ray tomography problem with sparse projection data and study the impact of the projection operator on the binary reconstruction accuracy and computation time. The comparison is carried out on three projectors: the Separable Footprint (Trapeze-Trapeze, SF-TT) [3], a classical Raydriven (RD) and a Simplified version of the Distance-Driven (SDD) projector respectively. The performance, are evaluated for each operator, on a binary 3D Shepp-Logan phantom by varying the number of projections from 5 to 13, and considering noise free and noisy cone beam projection data.
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Communication dans un congrès
International Symposium on BIOMEDICAL IMAGING: From Nano to Macro, Apr 2013, San Francisco, United States. pp.1276 - 1279, 2013, 〈10.1109/ISBI.2013.6556764〉
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Contributeur : Christine Toumoulin <>
Soumis le : samedi 19 octobre 2013 - 19:38:18
Dernière modification le : mercredi 16 mai 2018 - 11:23:40
Document(s) archivé(s) le : lundi 20 janvier 2014 - 04:25:44

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Ahmed Oukili, Jean-Claude Nunes, Chen Yang, Limin Luo, Christine Toumoulin. Object-based 3D binary reconstruction from sparse projections in cone beam CT: Comparison of three projection operators. International Symposium on BIOMEDICAL IMAGING: From Nano to Macro, Apr 2013, San Francisco, United States. pp.1276 - 1279, 2013, 〈10.1109/ISBI.2013.6556764〉. 〈inserm-00874956〉

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