【作者】 李保磊； 李兴东； 杨民；

【Author】 LI Baolei LI Xingdong YANG Min (1.School of Mechanical Engineering and Automation,Beijing University,Beijing 100083,China;2.National Institute of Metrology P.R.China,Beijing 100013,China)

【机构】 北京航空航天大学机械工程及自动化学院； 中国计量科学研究院；

【摘要】 本文依据近年来 CT 成像技术的主要公开文献,对 X 射线 CT 成像技术的进展作一简要综述。从总体角度对系统的扫描方式及硬件的进展进行了回顾,在具体技术细节上主要从两个方面对 CT 成像技术的进展展开阐述。一、从数学角度,概述 CT 重楚算法的进展;二、从物理角度,概述数据校正技术的进展。最后对 CT 成像技术的发展进行了展望。更多还原

【Abstract】 According to the main literature during recent several years, the development of X-ray computed tomography imaging technology is summarized.From the view of the whole CT system,the scanning mode and hardware are reviewed.And on the specific technology detail,two aspects are described.Firstly,on the view of mathematics,the develop- ment of CT reconstruction algorithm is summarized.Secondly,on the view of physics,the development of data correction technology is summa- rized.In the end,the development expectation of the CT imaging tech- nology in the recent future is made.更多还原