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Noise properties of chord-image reconstruction
Xia, Dan; Yu, Lifeng; Sidky, Emil Y.; Zou, Yu; Zuo, Nianming; Pan, Xiaochuan
2007-10-01
发表期刊IEEE TRANSACTIONS ON MEDICAL IMAGING
卷号26期号:10页码:1328-1344
文章类型Article
摘要Recently, there has been much progress in algorithm development for image reconstruction in cone-beam computed tomography (CT). Current algorithms, including the chord-based algorithms, now accept minimal data sets for obtaining images on volume regions-of-interest (ROIs) thereby potentially allowing for reduction of X-ray dose in diagnostic CT. As these developments are relatively new, little effort has been directed at investigating the response of the resulting algorithm implementations to physical factors such as data noise. In this paper, we perform an investigation on the noise properties of ROI images reconstructed by using chord-based algorithms for different scanning configurations. We find that, for the cases under study, the chord-based algorithms yield images with comparable quality. Additionally, it is observed that, in many situations, large data sets contain extraneous data that may not reduce the ROI-image variances.
关键词Chord Computed Tomography (Ct) Cone-beam Ct Noise Reconstruction
WOS标题词Science & Technology ; Technology ; Life Sciences & Biomedicine
关键词[WOS]HELICAL CONE-BEAM ; FAN-BEAM ; MINIMUM DATA ; PI-LINES ; CT ; BACKPROJECTION ; ALGORITHMS ; TOMOGRAPHY ; PROJECTION ; REGIONS
收录类别SCI
语种英语
WOS研究方向Computer Science ; Engineering ; Imaging Science & Photographic Technology ; Radiology, Nuclear Medicine & Medical Imaging
WOS类目Computer Science, Interdisciplinary Applications ; Engineering, Biomedical ; Engineering, Electrical & Electronic ; Imaging Science & Photographic Technology ; Radiology, Nuclear Medicine & Medical Imaging
WOS记录号WOS:000249959500003
引用统计
文献类型期刊论文
条目标识符http://ir.ia.ac.cn/handle/173211/9463
专题09年以前成果
作者单位1.Univ Chicago, Dept Radiol, Chicago, IL 60637 USA
2.Chinese Acad Sci, Inst Automat, Nat Lab Pattern Recognit, Beijing 100080, Peoples R China
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GB/T 7714
Xia, Dan,Yu, Lifeng,Sidky, Emil Y.,et al. Noise properties of chord-image reconstruction[J]. IEEE TRANSACTIONS ON MEDICAL IMAGING,2007,26(10):1328-1344.
APA Xia, Dan,Yu, Lifeng,Sidky, Emil Y.,Zou, Yu,Zuo, Nianming,&Pan, Xiaochuan.(2007).Noise properties of chord-image reconstruction.IEEE TRANSACTIONS ON MEDICAL IMAGING,26(10),1328-1344.
MLA Xia, Dan,et al."Noise properties of chord-image reconstruction".IEEE TRANSACTIONS ON MEDICAL IMAGING 26.10(2007):1328-1344.
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