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Implementation of 3D Monte Carlo PET reconstruction algorithm on GPU

A. Wirth, A. Cserkaszky, B. Kari, D. Legrady, S. Feher, S. Czifrus, B. Domonkos
Department of Diagnostic Radiology & Oncotherapy, Semmelweis University, Budapest, Hungary
IEEE Nuclear Science Symposium Conference Record (NSS/MIC), 2009

@inproceedings{wirth2009implementation,

   title={Implementation of 3D Monte Carlo PET reconstruction algorithm on GPU},

   author={Wirth, A. and Cserkaszky, A. and K{‘a}ri, B. and L{‘e}gr{‘a}dy, D. and Feh{‘e}r, S. and Czifrus, S. and Domonkos, B.},

   booktitle={Nuclear Science Symposium Conference Record (NSS/MIC), 2009 IEEE},

   pages={4106–4109},

   year={2009},

   organization={IEEE}

}

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The presentation summarizes our achieved results within the framework of the cross-institutional research project called TeraTomo. The aim of the latter is to create a high-speed algorithm optimized on graphics processors (GPU) providing more accurate PET reconstructions by taking advantage from CT data. The current paper discusses a hit-and-miss Monte Carlo approach as an “on-the-fly” forward projector of an ML-EM algorithm.
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