摘要
本文关注的是高能双能X射线透视成像以及成像中物体的识别和检测,按照从单能到低能双能再到高能双能的发展脉络介绍了双能X射线DR成像技术背景,详细阐述了高能双能X射线DR成像物质识别原理方法、技术特点和针对性改进,着重讨论了该方法能够用于物质识别的本质,并介绍了该领域面临的挑战和最新进展。
This paper is concerned with high energy dual-energy X-ray imaging and identification and detection of objects, introduces the background of dual-energy X-ray DR imaging technology from single energy, low energy dual-energy to high energy dual-energy and elaborates the principle, technical characteristics and improved methods of high energy dual-energy X-ray imaging material recognition. The nature of material recognition feasibility of this technology is mainly discussed. It also introduces the latest advances and challenges facing the field.
出处
《CT理论与应用研究（中英文）》
2014年第5期731-742,共12页
Computerized Tomography Theory and Applications
基金
国家自然科学基金重点项目(11235007)
北京市优秀人才培养资助(2013D009004000004)
关键词
高能双能
DR成像
物质识别
high energy dual-energy
DR imaging
material recognition
