DocumentCode
438502
Title
Performance evaluation of relaxed block-iterative algorithms for 3-D PET reconstruction
Author
Fukano, A. ; Nakayama, T. ; Kudo, H.
Author_Institution
Graduate Sch. of Syst. & Inf. Eng., Tsukuba Univ.
Volume
5
fYear
2004
fDate
16-22 Oct. 2004
Firstpage
2830
Lastpage
2834
Abstract
We evaluate performances of the four typical block-iterative algorithms (OSEM, RBI, RAMLA, DRAMA) for 3-D PET reconstruction by detailed simulation studies. Furthermore, we extend RAMLA and DRAMA to list-mode data
Keywords
image reconstruction; iterative methods; maximum likelihood estimation; medical image processing; positron emission tomography; 3-D PET reconstruction; DRAMA; OSEM; RBI; dynamic RAMLA algorithm; list-mode data; ordered subsets expectation maximization algorithm; performance evaluation; relaxed block-iterative algorithms; rescaled block-iterative algorithm; row-action maximum likelihood algorithm; Attenuation; Data engineering; Degradation; Geometry; Image reconstruction; Imaging phantoms; Limit-cycles; Performance evaluation; Positron emission tomography; Systems engineering and theory;
fLanguage
English
Publisher
ieee
Conference_Titel
Nuclear Science Symposium Conference Record, 2004 IEEE
Conference_Location
Rome
ISSN
1082-3654
Print_ISBN
0-7803-8700-7
Electronic_ISBN
1082-3654
Type
conf
DOI
10.1109/NSSMIC.2004.1466277
Filename
1466277
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