应用专用全数字PET创新系统  

Innovative Application-Specific All-Digital PET Systems

作　　者：李鑫宇 刘煜[2] 程冉 谢庆国[1,3,4] 肖鹏 LI Xinyu;LIU Yu;CHENG Ran;XIE Qingguo;XIAO Peng(Department of Biomedical Engineering,Huazhong University of Science and Technology,Wuhan 430074,China;School of Artificial Intelligence and Automation,Huazhong University of Science and Technology,Wuhan 430074,China;Wuhan National Laboratory for Optoelectronics,Wuhan 430074,China;Department of Electronic Engineering and Information Science,University of Science and Technology of China,Hefei 230026,China)

机构地区：[1]华中科技大学生物医学工程系,武汉430074 [2]华中科技大学人工智能与自动化学院,武汉430074 [3]武汉光电国家研究中心,武汉430074 [4]中国科学技术大学电子工程与信息科学系,合肥230026

出　　处：《CT理论与应用研究（中英文）》2024年第4期448-458,共11页Computerized Tomography Theory and Applications

基　　金：国家自然科学基金国家重大科研仪器研制项目(面向清醒活动目标的双动态成像小动物PET仪器(62027808))。

摘　　要：基于多电压阈值方法的全数字正电子发射断层成像(PET)技术以“全数字”和“精确采样”为两个本质特点,实现软硬件解耦、系统“乐高”化搭建,打破了传统PET系统架构固定的限制,为更多创新应用的开展提供了可能。本文介绍了近年来应用专用型全数字PET系统的研究进展,阐述其在质子治疗监测、脑科学临床与基础研究、植物代谢研究等领域中的应用及其优势。面对前沿应用对PET成像系统提出的更高要求,进一步探讨全数字PET技术的发展趋势。Utilizing the Multi-Voltage Threshold method,All-Digital PET technology,characterized by"All-Digital"and"accurate sampling,"facilitates hardware and software decoupling and modular"LEGO-like"system construction.This innovation addresses the limitations of traditional PET system architectures,enabling a broader range of innovative applications.This paper reviews recent advancements in application-specific All-Digital PET systems,highlighting their applications and advantages in proton therapy monitoring,clinical and basic brain science research,and plant metabolism studies.Furthermore,we explore the development trends of All-Digital PET technology to meet the increasing demands of PET imaging applications.

关 键 词：全数字PET 多电压阈值 软硬件解耦 

分 类 号：TP391.41[自动化与计算机技术—计算机应用技术] R817.4[自动化与计算机技术—计算机科学与技术]