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3D ROI-image reconstruction from cone-beam data
Xia, Dan; Cho, Seungryong; Bian, Junguo; Zou, Yu; Sidky, Emil Y.; Zuo, Niamning; Pan, Xiaochuan
2007-10-01
发表期刊NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT
卷号580期号:2页码:866-875
文章类型Article
摘要Helical and circular trajectories are expected to be adopted dominantly for data acquisition in X-ray cone-beam (CB) computed tomography (CT) imaging. However, non-conventional trajectories, such as tilted helical, saddle, circle-circle, and circle-line trajectories, may also find important applications. Therefore, accurate image reconstruction from data acquired with these non-conventional trajectories remains of practical significance. However, the non-conventional trajectories have been studied on a case-per-case basis and little effort has been made to investigate all of these trajectories on a single algorithm. Recently, there has been significant development on image reconstruction for general CB trajectories. In particular, chord-based algorithms have been developed for image reconstruction in CBCT. In this work, we investigate the chord-based algorithms, which can accommodate data containing both longitudinal and transverse truncations to a certain extent, for image reconstruction from data acquired with four different trajectories: the tilted helical, saddle, circle-circle, and circle-line trajectories. The first two represent smooth trajectories, whereas the last two are non-smooth trajectories containing kinks. The significance of the work lies not only in demonstrating the ability of the algorithm for image reconstruction from CB data but also in visualizing the reconstructible regions-of-interest (ROIs) for those general trajectories so that one can setup the scanning parameters with an appropriate guide. (c) 2007 Published by Elsevier B.V.
WOS标题词Science & Technology ; Technology ; Physical Sciences
关键词[WOS]MINIMUM DATA ; CT ; CIRCLE
收录类别ISTP ; SCI
语种英语
WOS研究方向Instruments & Instrumentation ; Nuclear Science & Technology ; Physics ; Spectroscopy
WOS类目Instruments & Instrumentation ; Nuclear Science & Technology ; Physics, Particles & Fields ; Spectroscopy
WOS记录号WOS:000250128000009
引用统计
文献类型期刊论文
条目标识符http://ir.ia.ac.cn/handle/173211/9470
专题09年以前成果
作者单位1.Univ Chicago, Dept Radiol, Chicago, IL 60637 USA
2.Acad Sinica, Inst Automat, Med Imaging Lab, Beijing, Peoples R China
推荐引用方式
GB/T 7714
Xia, Dan,Cho, Seungryong,Bian, Junguo,et al. 3D ROI-image reconstruction from cone-beam data[J]. NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT,2007,580(2):866-875.
APA Xia, Dan.,Cho, Seungryong.,Bian, Junguo.,Zou, Yu.,Sidky, Emil Y..,...&Pan, Xiaochuan.(2007).3D ROI-image reconstruction from cone-beam data.NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT,580(2),866-875.
MLA Xia, Dan,et al."3D ROI-image reconstruction from cone-beam data".NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT 580.2(2007):866-875.
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