CZT modeling for photon counting computer tomography

Xiaochun Lai; Liang Cai; Kevin Zimmerman; Maduri Kaul; Xiaohui Zhan; Yi Qiang; Mattew Veale; Richard Thompson

doi:10.1117/12.2512531

1 March 2019 CZT modeling for photon counting computer tomography

Xiaochun Lai, Liang Cai, Kevin Zimmerman, Maduri Kaul, Xiaohui Zhan, Yi Qiang, Mattew Veale, Richard Thompson

Proceedings Volume 10948, Medical Imaging 2019: Physics of Medical Imaging; 109484G (2019) https://doi.org/10.1117/12.2512531
Event: SPIE Medical Imaging, 2019, San Diego, California, United States

Abstract

Accurate physics modeling of a photon counting detector is essential for detector design and performance evaluation, Computer Tomography (CT) system-level performance investigation, material decomposition, image reconstruction. The detector response is complicated because various effects involve, including fluorescence X-rays, primary electron path, charge diffusion, charge repulsion, and charge trapping. In this paper, we will present a comprehensive detector modeling approach, which incorporates all these effect into account.

Citation Download Citation

Xiaochun Lai, Liang Cai, Kevin Zimmerman, Maduri Kaul, Xiaohui Zhan, Yi Qiang, Mattew Veale, and Richard Thompson "CZT modeling for photon counting computer tomography", Proc. SPIE 10948, Medical Imaging 2019: Physics of Medical Imaging, 109484G (1 March 2019); https://doi.org/10.1117/12.2512531

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