| Presentation | 2015-03-03 Development of a method for detector response modeling with asymmetric 2D Gaussian functions for the whole-body OpenPET image reconstruction Hideaki TASHIMA, Eiji YOSHIDA, Tetsuya SHINAJI, Taiga YAMAYA, |
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| PDF Download Page |  PDF download Page Link |
| Abstract(in Japanese) | (See Japanese page) |
| Abstract(in English) | We are developing an open-type PET, OpenPET, which have an open space between detector rings enabling easy access to patients during PET measurements. The image reconstruction of the OpenPET requires modeling of the detector response function (DRF) as accurate as possible because there are a lot of oblique lines of response (LORs). In this study, we developed a DRF model in which parameters for the asymmetric 2D Gaussian function defined on a plane perpendicular to the LOR are automatically determined by the positions and orientations of crystals in the coincidence pair. The model was implemented on multi-GPU platform. The experimental result using the whole-body OpenPET prototype showed that the proposed method could improve spatial resolution at the open space. |
| Keyword(in Japanese) | (See Japanese page) |
| Keyword(in English) | PET / OpenPET / Detector Response Function / Image Reconstruction |
| Paper # | MI2014-114 |
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| Conference Information | |
| Committee | MI |
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| Conference Date | 2015/2/23(1days) |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
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| Paper Information | |
| Registration To | Medical Imaging (MI) |
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| Language | JPN |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Development of a method for detector response modeling with asymmetric 2D Gaussian functions for the whole-body OpenPET image reconstruction |
| Sub Title (in English) | |
| Keyword(1) | PET |
| Keyword(2) | OpenPET |
| Keyword(3) | Detector Response Function |
| Keyword(4) | Image Reconstruction |
| 1st Author's Name | Hideaki TASHIMA |
| 1st Author's Affiliation | National Institute of Radiological Sciences() |
| 2nd Author's Name | Eiji YOSHIDA |
| 2nd Author's Affiliation | National Institute of Radiological Sciences |
| 3rd Author's Name | Tetsuya SHINAJI |
| 3rd Author's Affiliation | National Institute of Radiological Sciences |
| 4th Author's Name | Taiga YAMAYA |
| 4th Author's Affiliation | National Institute of Radiological Sciences |
| Date | 2015-03-03 |
| Paper # | MI2014-114 |
| Volume (vol) | vol.114 |
| Number (no) | 482 |
| Page | pp.pp.- |
| #Pages | 4 |
| Date of Issue | |