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Spatio-energetic cross-talk in photon counting detectors: Numerical detector model (PcTK) and workflow for CT image quality assessment

机译：光子计数探测器中的时空能量串扰：用于CT图像质量评估的数值探测器模型（PcTK）和工作流程

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摘要

We developed and reported an analytical model (version 2.1) of inter-pixel cross-talk of energy-sensitive photon counting detectors (PCDs) in 2016 [1]. Since the time, we have identified four problems that are inherent to the design of the model version 2.1. In this study, we have developed a new model (version 3.2; "PcTK" for Photon Counting Toolkit) based on a totally different design concept. The comparison with the previous model version 2.1 and a Monte Carlo (MC) simulation has shown that the new model version 3.2 addressed the four problems successfully. The workflow script for computed tomography (CT) image quality assessment has demonstrated the utility of the model and potential values to CT community. The software packages including the workflow script, built using Matlab 2016a, has been made available to academic researchers free of charge.
机译：我们在2016年的像素间串扰的分析模型（版本2.1）的分析模型（PCD）[1]。自时间以来，我们已经确定了模型2.1的设计所固有的四个问题。在这项研究中，我们开发了一种新的模型（3.2版; PCTK为Photton Counting Toolkit）基于完全不同的设计理念。与先前模型2.1和蒙特卡罗（MC）仿真的比较显示，新型号3.2已成功解决了四个问题。计算断层扫描（CT）图像质量评估的工作流程脚本已经证明了模型和潜在值对CT社区的效用。包括使用Matlab 2016A建造的工作流程脚本的软件包，已免费提供给学术研究人员。

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