Effects of ray profile modeling on resolution recovery in clinical CT

Medical Physics

Volumn 41, Issue 2, 2014, Pages

  Hofmann, Christian ^a   Knaup, Michael ^b   Kachelrieß, Marc ^a,b  

^a UNIVERSITY OF ERLANGEN NUREMBERG   (Germany)

^b GERMAN CANCER RESEARCH CENTER DKFZ   (Germany)

Author keywords

clinical CT; iterative reconstruction; ray modeling; resolution recovery

Indexed keywords

BIOMINERALIZATION; GEOMETRY; IMAGE ENHANCEMENT; IMAGE RECONSTRUCTION; IMAGE RESOLUTION; ITERATIVE METHODS; MAXIMUM LIKELIHOOD ESTIMATION; PHANTOMS; RECOVERY; REFLECTIVE COATINGS; X RAY DETECTORS; X RAYS;

CLINICAL CT; ITERATIVE RECONSTRUCTION; ITERATIVE RECONSTRUCTION ALGORITHMS; ORDERED SUBSETS MAXIMUM LIKELIHOODS; RAY MODELS; RESOLUTION RECOVERY; SIMULTANEOUS ALGEBRAIC RECONSTRUCTION TECHNIQUE; STATISTICAL ITERATIVE RECONSTRUCTION ALGORITHMS;

COMPUTERIZED TOMOGRAPHY;

WATER;

ALGORITHM; ARTERY CALCIFICATION; ARTICLE; ARTIFACT; COMPUTER ASSISTED TOMOGRAPHY; COMPUTER SIMULATION; CONTRAST; CONTROLLED STUDY; GEOMETRY; HEART; IMAGE QUALITY; IMAGE RECONSTRUCTION; IMAGING PHANTOM; LEARNING ALGORITHM; MATHEMATICAL MODEL; ORDERED SUBSET CONVEX ALGORITHM; OSML ALGORITHM; OSSART METHOD; PHOTON; RADIATION BEAM; RADIATION DETECTOR; RESOLUTION RECOVERY; SIGNAL NOISE RATIO; THORAX; X RAY; HUMAN; IMAGE PROCESSING; METHODOLOGY; THEORETICAL MODEL; THORAX RADIOGRAPHY;

ALGORITHMS; HUMANS; IMAGE PROCESSING, COMPUTER-ASSISTED; MODELS, THEORETICAL; PHANTOMS, IMAGING; RADIOGRAPHY, THORACIC; TOMOGRAPHY, X-RAY COMPUTED;

EID: 84894383861     PISSN: 00942405     EISSN: None     Source Type: Journal    
DOI: 10.1118/1.4862510     Document Type: Article

References (27)

1. A. Ziegler, T. Koehler, and R. Proksa, "Noise and resolution in images reconstructed with FBP and OSC algorithms for CT," Med. Phys. 34 (2), 585-598 (2007). 10.1118/1.2409481
2. M. Kachelrieß, T. Berkus, and W. A. Kalender, "Quality of statistical reconstruction in medical CT," in IEEE Medical Imaging Conference Program (IEEE, 2003), Vol. 4, pp. 2748-2752.
3. J.-B. Thiabault, K. Sauer, C. Bouman, and J. Hsieh, "High quality iterative reconstruction for multi-slice helical CT," International Conference on Fully 3D Reconstruction in Radiology and Nuclear Medicine (Saint Malo, France, June 29-July 4, 2003).
4. H. Bruder, R. Raupach, J. Sunnegardh, M. Sedlmair, K. Stierstorfer, and T. Flohr, "Adaptive iterative reconstruction," SPIE Proc. 7961, 1-12 (2011). 10.1117/12.877953
5. K. Zeng, B. De Man, and J.-B. Thibault, "Spatial resolution enhancement in CT iterative reconstruction," in IEEE Nuclear Science Symposium Conference Record (NSS/MIC), 2009 (IEEE, 2009), pp. 3748-3751.
6. S. Do, S. Cho, W. Karl, M. Kalra, T. Brady, and H. Pien, "Accurate model-based high resolution cardiac image reconstruction in dual source CT," in IEEE International Symposium on Biomedical Imaging: From Nano to Macro, 2009 (ISBI'09) (IEEE, 2009), pp. 330-333.
7. K. Little and P. Riviere, "An algorithm for modeling nonlinear system effects in iterative CT reconstruction," in IEEE Medical Imaging Conference Record (IEEE, 2012), pp. 2174-2177.
8. M. Kachelrieß, "Iterative reconstruction techniques: What do they mean for cardiac CT?," in Current Cardiovascular Imaging Reports, June, 2013, Vol. 6, Issue 3, pp. 268-281.
9. P. M. Joseph, "An improved algorithm for reprojecting rays through pixel images," IEEE Trans. Med. Imaging 1 (3), 192-196 (1982). 10.1109/TMI.1982.4307572
10. S. Moehrs, M. Defrise, N. Belcari, A. Guerra, A. Bartoli, S. Fabbri, and G. Zanetti, "Multi-ray-based system matrix generation for 3D PET reconstruction," Phys. Med. Biol. 53, 6925-6945 (2008). 10.1088/0031-9155/53/23/018
11. C. Vanhove, A. Andreyev, M. Defrise, J. Nuyts, and A. Bossuyt, "Resolution recovery in pinhole SPECT based on multi-ray projections: A phantom study," Eur. J. Nucl. Med. Mol. Imaging 34 (2), 170-180 (2007). 10.1007/s00259-006-0225-0
12. H. Hudson and R. Larkin, "SPECT imaging with resolution recovery," IEEE Trans. Nucl. Sci. 59 (4), 1458-1464 (2012). 10.1109/TNS.2012.2195675
13. J.-B. Thibault, K. D. Sauer, C. A. Bouman, and J. Hsieh, "A three-dimensional statistical approach to improved image quality for multislice helical CT," Med. Phys. 34 (11), 4526-4544 (2007). 10.1118/1.2789499
14. A. Ziegler, T. Nielsen, and M. Grass, "Iterative reconstruction of a region of interest for transmission tomography," Med. Phys. 35 (4), 1317-1327 (2008). 10.1118/1.2870219
15. J. Wang, J.-B. Thibault, Z. Yu, K. Sauer, and C. Bouman, "System modeling studies in iterative x-ray CT reconstruction," in 42nd Asilomar Conference on Signals, Systems and Computers, 2008, pp. 1072-1076.
16. P. Forthmann, T. Köhler, P. Begemann, and M. Defrise, "Penalized maximum-likelihood sinogram restoration for dual focal spot computed tomography," Phys. Med. Biol. 52 (15), 4513-4523 (2007). 10.1088/0031-9155/52/15/010
17. Centre for Evidence-Based Purchasing (CEP), "Comparative specifications 32 to 40 slice CT scanners," CEP 08026 (NHS PASA, Centre for Evidence-based Purchasing, Crown Copyright, 2009).
18. L. Chen, C. Shaw, M. Altunbas, C. Lai, and X. Liu, "Spatial resolution properties in cone beam CT: A simulation study," Med. Phys. 35 (2), 724-734 (2008). 10.1118/1.2829867
19. M. Kachelrieß, "The Forbild CT-simulation phantoms," in Proceedings of the 1999 International Meeting on Fully 3D Image Reconstruction, 1999, p. 383.
20. Y. Hengyong and G. Wang, "Finite detector based projection model for high spatial resolution," J. X-Ray Sci. Technol. 20 (2), 229-238 (2012). 10.3233/XST-2012-0331
21. G. Ramachandran and A. Lakshminarayanan, "Three-dimensional reconstruction from radiographs and electron micrographs: Application of convolution instead of Fourier transforms," Proc. Natl. Acad. Sci. U.S.A. 68 (9), 2236-2240 (1971). 10.1073/pnas.68.9.2236
22. C. Kamphuis and F. Beekman, "Accelerated iterative transmission CT reconstruction using an ordered subsets convex algorithm," IEEE Trans. Med. Imaging 17 (6), 1101-1105 (1998). 10.1109/42.746730
23. G. Wang and M. Jiang, "Ordered-subset simultaneous algebraic reconstruction techniques (OS-SART)," J. X-Ray Sci. Technol. 12 (3), 169-177 (2004).
24. K. Lange, M. Bahn, and R. Little, "A theoretical study of some maximum likelihood algorithms for emission and transmission tomography," IEEE Trans. Med. Imaging 6 (2), 106-114 (1987). 10.1109/TMI.1987.4307810
25. D. M. Bruno and B. Samit, "Distance-driven projection and backprojection in three dimensions," Phys. Med. Biol. 49, 2463-2475 (2004). 10.1088/0031-9155/49/11/024
26. M. Iatrou, B. De Man, K. Khare, and T. Benson, "A projection access order for speedy convergence of ART (algebraic reconstruction technique): A multilevel scheme for computed tomography," in IEEE Nuclear Science Symposium Conference Record (IEEE, 2007), pp. 2719-2643.
27. A. Andreyev, M. Defrise, and C. Vanhove, "Pinhole SPECT reconstruction using blobs and resolution recovery," IEEE Trans. Nucl. Sci. 53, 2719-2728 (2006). 10.1109/TNS.2006.878004