CASIA OpenIR  > 中国科学院分子影像重点实验室
Fast Katsevich Algorithm Based on GPU for Helical Cone-Beam Computed Tomography
Yan, Guorui1; Tian, Jie1,2; Zhu, Shouping1; Qin, Chenghu1; Dai, Yakang1; Yang, Fei1; Dong, Di1; Wu, Ping1
Source PublicationIEEE TRANSACTIONS ON INFORMATION TECHNOLOGY IN BIOMEDICINE
2010-07-01
Volume14Issue:4Pages:1053-1061
SubtypeArticle
AbstractKatsevich reconstruction algorithm represents a breakthrough for helical cone-beam computed tomography (CT) reconstruction, because it is the first exact cone-beam reconstruction algorithm of filtered backprojection (FBP) type with 1-D shift-invariant filtering. Although FBP-type reconstruction algorithm is effective, 3-D CT reconstruction is time-consuming, and the accelerations of Katsevich algorithm on CPU or cluster have been widely studied. In this paper, Katsevich algorithm is accelerated by using graphics processing unit, including flat-detector and curved-detector geometry in the case of helical orbit. An overscan formula is derived, which helps to avoid unnecessary overscan in practical CT scanning. Based on the overscan formula, a volume-blocking method in device memory is proposed. One advantage of the blocking method is that it can reconstruct large volume with high speed.
KeywordComputed Tomography (Ct) Graphics Processing Unit (Gpu) Katsevich Algorithm Overscan
WOS HeadingsScience & Technology ; Technology ; Life Sciences & Biomedicine
WOS KeywordCT IMAGE-RECONSTRUCTION ; FILTERED BACKPROJECTION ; PI-LINES ; IMPLEMENTATION ; HARDWARE
Indexed BySCI
Language英语
WOS Research AreaComputer Science ; Mathematical & Computational Biology ; Medical Informatics
WOS SubjectComputer Science, Information Systems ; Computer Science, Interdisciplinary Applications ; Mathematical & Computational Biology ; Medical Informatics
WOS IDWOS:000280480700019
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Document Type期刊论文
Identifierhttp://ir.ia.ac.cn/handle/173211/3937
Collection中国科学院分子影像重点实验室
Affiliation1.Chinese Acad Sci, Inst Automat, Med Image Proc Grp, Beijing 100190, Peoples R China
2.Xidian Univ, Life Sci Ctr, Xian 710071, Peoples R China
First Author AffilicationInstitute of Automation, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Yan, Guorui,Tian, Jie,Zhu, Shouping,et al. Fast Katsevich Algorithm Based on GPU for Helical Cone-Beam Computed Tomography[J]. IEEE TRANSACTIONS ON INFORMATION TECHNOLOGY IN BIOMEDICINE,2010,14(4):1053-1061.
APA Yan, Guorui.,Tian, Jie.,Zhu, Shouping.,Qin, Chenghu.,Dai, Yakang.,...&Wu, Ping.(2010).Fast Katsevich Algorithm Based on GPU for Helical Cone-Beam Computed Tomography.IEEE TRANSACTIONS ON INFORMATION TECHNOLOGY IN BIOMEDICINE,14(4),1053-1061.
MLA Yan, Guorui,et al."Fast Katsevich Algorithm Based on GPU for Helical Cone-Beam Computed Tomography".IEEE TRANSACTIONS ON INFORMATION TECHNOLOGY IN BIOMEDICINE 14.4(2010):1053-1061.
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