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Extra projection data identification method for fast-continuous-rotation industrial cone-beam CT
Yang, Min1; Duan, Shengling1; Duan, Jinghui2; Wang, Xiaolong1; Li, Xingdong3; Meng, Fanyong4; Zhang, Jianhai5
2013
Source PublicationJOURNAL OF X-RAY SCIENCE AND TECHNOLOGY
Volume21Issue:4Pages:467-479
AbstractFast-continuous-rotation is an effective measure to improve the scanning speed and decrease the radiation dose for cone-beam CT. However, because of acceleration and deceleration of the motor, as well as the response lag of the scanning control terminals to the host PC, uneven-distributed and redundant projections are inevitably created, which seriously decrease the quality of the reconstruction images. In this paper, we first analyzed the aspects of the theoretical sequence chart of the fastcontinuous- rotation mode. Then, an optimized sequence chart was proposed by extending the rotation angle span to ensure the effective 2 pi-span projections were situated in the stable rotation stage. In order to match the rotation angle with the projection image accurately, structure similarity (SSIM) index was used as a control parameter for extraction of the effective projection sequence which was exactly the complete projection data for image reconstruction. The experimental results showed that SSIM based method had a high accuracy of projection view locating and was easy to realize.
KeywordCone-beam Ct Fast-continuous-rotation Scanning Data Redundancy Structural Similarity
SubtypeArticle
WOS HeadingsScience & Technology ; Technology ; Physical Sciences
Indexed BySCI
Language英语
WOS KeywordMICRO-CT ; IMAGE-RECONSTRUCTION ; COMPUTED-TOMOGRAPHY ; SYSTEM ; ALGORITHM ; MINIMIZATION ; ARTIFACT
WOS Research AreaInstruments & Instrumentation ; Optics ; Physics
WOS SubjectInstruments & Instrumentation ; Optics ; Physics, Applied
WOS IDWOS:000326747000003
Citation statistics
Cited Times:4[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/13508
Collection研究所(批量导入)
Affiliation1.Beijing Univ Aeronaut & Astronaut, Sch Mech Engn & Automat, Beijing 100191, Peoples R China
2.China Informat Secur Certificat Ctr, Beijing, Peoples R China
3.Natl Inst Metrol, Beijing, Peoples R China
4.Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, Beijing 100190, Peoples R China
5.Sungkyunkwan Univ, Sch Mech Engn, Seoul, South Korea
Recommended Citation
GB/T 7714
Yang, Min,Duan, Shengling,Duan, Jinghui,et al. Extra projection data identification method for fast-continuous-rotation industrial cone-beam CT[J]. JOURNAL OF X-RAY SCIENCE AND TECHNOLOGY,2013,21(4):467-479.
APA Yang, Min.,Duan, Shengling.,Duan, Jinghui.,Wang, Xiaolong.,Li, Xingdong.,...&Zhang, Jianhai.(2013).Extra projection data identification method for fast-continuous-rotation industrial cone-beam CT.JOURNAL OF X-RAY SCIENCE AND TECHNOLOGY,21(4),467-479.
MLA Yang, Min,et al."Extra projection data identification method for fast-continuous-rotation industrial cone-beam CT".JOURNAL OF X-RAY SCIENCE AND TECHNOLOGY 21.4(2013):467-479.
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