Characterization and suppression of edge and aliasing artefacts in iterative x-ray CT reconstruction

Physics in Medicine and Biology

Volumn 49, Issue 1, 2004, Pages 145-157

  Zbijewski, Wojciech ^a   Beekman, Freek J ^a  

^a UNIVERSITY MEDICAL CENTER UTRECHT   (Netherlands)

Author keywords

[No Author keywords available]

Indexed keywords

ALGORITHMS; PROBLEM SOLVING; SPURIOUS SIGNAL NOISE; STATISTICAL METHODS; X RAYS;

FILTERED BACKPROJECTION (FBP);

COMPUTERIZED TOMOGRAPHY;

ALGORITHM; ARTICLE; ARTIFACT; ARTIFACT REDUCTION; COMPUTER ASSISTED TOMOGRAPHY; CONTRAST ENHANCEMENT; CONTROLLED STUDY; DISPLAY SYSTEM; IMAGE ANALYSIS; IMAGE QUALITY; IMAGE RECONSTRUCTION; IMAGING SYSTEM; INTERMETHOD COMPARISON; PRIORITY JOURNAL; X RAY ANALYSIS;

ALGORITHMS; ARTIFACTS; COMPUTER SIMULATION; HUMANS; IMAGE INTERPRETATION, COMPUTER-ASSISTED; IMAGE PROCESSING, COMPUTER-ASSISTED; NORMAL DISTRIBUTION; PHANTOMS, IMAGING; TOMOGRAPHY, X-RAY COMPUTED;

EID: 0345832268     PISSN: 00319155     EISSN: None     Source Type: Journal    
DOI: 10.1088/0031-9155/49/1/010     Document Type: Article

References (29)

1. Beekman F J and Kamphuis C 2001 Ordered subset reconstruction for X-ray CT reconstruction Phys. Med. Biol. 46 1835-44
2. Bowsher J E, Tornai M P, Peter J, Gonzales-Trotter D E, Krol A, Gilland D R and Jaszczak R J 2002 Modeling the axial extension of a transmission line source within iterative reconstruction via multiple transmission sources IEEE Trans. Med. Imaging 21 200-15
3. de Man B and Basu S 2002 Distance driven projection and backprojection Conf. Proc. of 2002 IEEE Nuclear Science Symp. and Medical Imaging Conf. (Norfolk, USA)
4. De Man B, Nuyts J, Dupont P, Marchal G and Suctens P 2000 Reduction of metal streak artefacts in x-ray computed tomography using a transmission maximum a posteriori algorithm IEEE Trans. Nucl. Sci. 47 977-81
5. De Man B, Nuyts J, Dupont P, Marchal G and Suetens P 2001 An iterative maximum-likelihood polychromatic algorithm for CT IEEE Trans. Med. Imaging 20 999-1008
6. Elbakri I A and Fessler J A 2002 Statistical image reconstruction for polyenergetic x-ray computed tomography IEEE Trans. Med. Imaging 21 89-99
7. Erdoǧan H and Fessler J A 1999 Ordered subsets algorithms for transmission tomography Phys. Med. Biol. 44 2835-51
8. Goertzen A, Beekman F J and Cherry S R 2002 Effect of phantom voxelization in CT simulation Med. Phys. 29 492-8
9. Guan H and Gordon R 1996 Computed tomography using algebraic reconstruction techniques (ARTs) with different projection access schemes: a comparison study under practical situations Phys. Med. Biol. 41 1727-43
10. Kamphuis C and Beekman F J 1998 Accelerated iterative transmission CT reconstruction using an ordered subset convex algorithm IEEE Trans. Med. Imaging 17 1101-5
11. Kamphuis C, Beekman F J, Viergever M A and van Rijk P P 1998 Dual matrix ordered subset reconstruction for accelerated 3D scatter correction in SPECT Eur. J. Nucl. Med. 25 8-18
12. Lange K 1990 Convergence of EM image reconstruction algorithms with Gibbs smoothing IEEE Trans. Med. Imaging 9 439-46
13. Lange K and Carson R 1984 E.M. reconstruction algorithms for emission and transmission tomography J. Comput. Assist. Tomogr. 8 306-16
14. Leahy R M and Byrne C L 2000 Recent developments in iterative image reconstruction in PET and SPECT IEEE Trans. Med. Imaging 19 257-60
15. Lewitt R M 1990 Multi dimensional digital image representations using generalized Kaiser-Bessel windows J. Opt. Soc. Am. A 7 1834-46
16. Lewitt R M 1992 Alternatives to voxels for image representation in iterative reconstruction algorithms Phys. Med. Biol. 37 705-16
17. Matej S and Lewitt R M 1996 Practical considerations for 3-D image reconstruction using spherically symmetric volume elements IEEE Trans. Med. Imaging 15 68-78
18. Mueller K and Yagel R 2000 Rapid 3-D cone beam reconstruction with the simultaneous algebraic reconstruction technique SART using 2-D texture mapping hardware IEEE Trans. Med. Imaging 19 1227-36
19. Mueller K, Yagel R and Wheeler J J 1999 Fast implementation of algebraic methods for three-dimensional reconstruction for cone-beam data IEEE Trans. Med. Imaging 18 538-47
20. Nuyts J, Man B D, Dupont P, Defrise M, Suetens P and Mortelmans L 1998 Iterative reconstruction for helical CT: a simulation study Phys. Med. Biol. 43 729-37
21. Rosenberg K 2002 CTSim - the open source computed tomography simulator Technical report http://www.ctsim.org
22. Schaller S 1999 Abdomen phantom Technical report http://www.imp.uni-erlangen.de/phantoms/
23. Shepp L A and Vardi Y 1982 Maximum likelihood reconstruction for emission tomography IEEE Trans. Med. Imaging 1 113-22
24. Siddon R L 1986 Fast calculation of the exact radiological path for a three dimensional CT array Med. Phys. 12 252-5
25. Snyder D L, Miller M I, Thomas L J and Politte D G 1987 Noise and edge artifacts in maximum likelihood reconstruction for emission tomography IEEE Trans. Med. Imaging 6 228-38
26. Wang G, Schweiger G and Vannier M 1998 An iterative algorithm for x-ray CT fluoroscopy IEEE Trans. Med. Imaging 17 853-8
27. Zbijewski W and Beekman F 2003 Suppression of intensity transition artifacts in statistical x-ray CT reconstruction through Radon inversion initialization Med. Phys. at press
28. Zeng G L and Gullberg G T 1992 Frequency domain implementation of the three-dimensional geometric point source correction in SPECT imaging IEEE Trans. Nucl. Sci. 39 1444-53
29. Zeng G L and Gullberg G T 2000 Unmatched projector/backprojector pairs in an iterative reconstruction algorithm IEEE Trans. Med. Imaging 19 548-55