A solution to the long-object problem in helical cone-beam tomography

Physics in Medicine and Biology

Volumn 45, Issue 3, 2000, Pages 623-643

  Defrise, Michel ^a   Noo, Frédéric ^b   Kudo, Hiroyuki ^b  

^a UNIVERSITY HOSPITAL BRUSSELS   (Belgium)

^b NONE

Author keywords

[No Author keywords available]

Indexed keywords

ACCURACY; ARTICLE; COLLIMATOR; COMPUTER ASSISTED TOMOGRAPHY; GEOMETRY; IMAGE RECONSTRUCTION; MATHEMATICAL ANALYSIS; NOISE; PRIORITY JOURNAL;

ALGORITHMS; IMAGE PROCESSING, COMPUTER-ASSISTED; MODELS, THEORETICAL; TOMOGRAPHY SCANNERS, X-RAY COMPUTED; TOMOGRAPHY, X-RAY COMPUTED;

EID: 0034064498     PISSN: 00319155     EISSN: None     Source Type: Journal    
DOI: 10.1088/0031-9155/45/3/305     Document Type: Article

References (15)

1. Danielsson P E, Edholm P, Eriksson J and Magnusson Seger M 1997 Towards exact reconstruction for helical cone-beam scanning of long objects. A new detector arrangement and a new completeness condition Proc. 1997 Meeting on Fully 3D Image Reconstruction in Radiology and Nuclear Medicine (Pittsburgh, PA) ed D W Townsend and P E Kinahan, pp 141-4
2. Feldkamp L A, Davis L C and Kress J W 1984 Practical cone-beam algorithm J. Opt. Soc. Am. A A6 612-19
3. Grangeat P 1991 Mathematical framework of cone-beam 3D reconstruction via the first derivative of the Radon transform Mathematical Methods in Tomography (Lecture Notes in Mathematics 1497) ed G T Herman, A K Louis and F Natterer (Berlin: Springer) pp 66-97
4. Joseph T M 1982 An improved algorithm for reprojecting rays through pixel images IEEE Trans. Med. Imag. 1 192-201
5. Kudo H, Noo F and Defrise M 1998 Cone-beam filtered-backprojection algorithm for truncated helical data Phys. Med. Biol. 43 2885-909
6. -1999b Quasi-exact filtered-backprojection algorithm for long-object problem in helical cone-beam tomography IEEE Trans. Med. Imaging submitted
7. Kudo H, Park S, Noo F and Defrise M 1999a Performance of quasi-exact cone-beam filtered-backprojection algorithm for axially truncated data IEEE Trans. Nucl. Sci. 46 608-17
8. Kudo H and Saito T 1992 Helical-scan computed tomography using cone-beam projections Conf. Rec. 1991 IEEE Med. Imag. Conf. (Santa Fe, NM) pp 1958-62
9. Noo F, Defrise M and Clackdoyle R 1999 Single-slice rebinning method for helical cone-beam CT Phys. Med. Biol. 44 561-70
10. Schaller S, Flohr T and Steffen P 1997 New, efficient Fourier-reconstruction method for approximate image reconstruction in spiral cone-beam CT at small cone angles Proc. SPIE 3032 213-24
11. Schaller S 1998 Practical image reconstruction for cone-beam tomography PhD Thesis University of Erlangen
12. Schaller S, Noo F, Sauer F, Tam K C, Lauritsch G and Flohr T 1999 Exact Radon rebinning algorithm for the long object problem in helical cone-beam CT IEEE Trans. Med. Imaging submitted
13. Tam K C, Samarasekera S and Sauer F 1998 Exact cone-beam CT with a spiral scan Phys. Med. Biol. 43 1015-24
14. Wang G, Lin T H, Cheng P and Shinozaki D M 1993 A general cone-beam reconstruction algorithm IEEE Trans. Med. Imaging 12 486-96
15. Yan X and Leahy R M 1992 Cone-beam tomography with circular, elliptical and spiral orbits Phys. Med. Biol. 37 493-506