The development of a pseudo-3D imaging system (tomosynthesis) for security screening of passenger baggage

被引：5
|
作者：
Reid, C. B. [1 ]
Betcke, M. M. [2 ]
Chana, D. [3 ]
Speller, R. D. [1 ]
机构：
[1] UCL, Dept Med Phys & Bioengn, London WC1E 6BT, England
[2] UCL, Dept Comp Sci, London WC1E 6BT, England
[3] Dept Transportat, London SW1E 6DT, England
来源：
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2011年 / 652卷 / 01期
基金：
英国工程与自然科学研究理事会;
关键词：
Tomosynthesis; Airport security; Limited angle tomography; Image reconstruction; DIGITAL TOMOSYNTHESIS; BREAST;
D O I：
10.1016/j.nima.2010.08.081
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
This paper describes a study investigating the potential of tomosynthesis as a post check-in baggage scanning system. A laboratory system has been constructed consisting of a moveable source and detector, arranged around a mini 90 degrees bend conveyor system, from which multiple projection images can be collected. Simulation code has been developed to allow the optimum source and detector positions to be determined. Reconstruction methods are being developed to modify the Shift-And-Add (SAA) algorithm to accommodate the non-typical imaging geometry. (C) 2010 Elsevier B.V. All rights reserved.
引用
收藏
页码：108 / 111
页数：4
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