Penalized maximum-likelihood sinogram restoration for dual focal spot computed tomography

Physics in Medicine and Biology

Volumn 52, Issue 15, 2007, Pages 4513-4523

  Forthmann, P ^a   Kohler T ^a   Begemann, P G C ^b   Defrise, M ^c  

^a PHILIPS RESEARCH LABORATORIES   (Germany)

^b UNIVERSITY MEDICAL CENTER HAMBURG EPPENDORF   (Germany)

^c VRIJE UNIVERSITEIT BRUSSEL   (Belgium)

Author keywords

[No Author keywords available]

Indexed keywords

ALGORITHMS; COMPUTERIZED TOMOGRAPHY; DECONVOLUTION; IMAGE QUALITY; MAXIMUM LIKELIHOOD; PHOTONS;

DUAL FOCAL SPOT (DFS); FILTERED BACKPROJECTION; NOISE; SINOGRAM RESTORATION;

IMAGE RECONSTRUCTION;

ALGORITHM; ARTICLE; COMPUTER ASSISTED TOMOGRAPHY; IMAGE ANALYSIS; IMAGE INTENSIFIER; IMAGE QUALITY; IMAGE RECONSTRUCTION; NOISE REDUCTION; PHOTON; PRIORITY JOURNAL; SIGNAL NOISE RATIO;

ALGORITHMS; DATA INTERPRETATION, STATISTICAL; LIKELIHOOD FUNCTIONS; RADIOGRAPHIC IMAGE ENHANCEMENT; RADIOGRAPHIC IMAGE INTERPRETATION, COMPUTER-ASSISTED; REPRODUCIBILITY OF RESULTS; SENSITIVITY AND SPECIFICITY; TOMOGRAPHY, X-RAY COMPUTED;

EID: 34547092677     PISSN: 00319155     EISSN: 13616560     Source Type: Journal    
DOI: 10.1088/0031-9155/52/15/010     Document Type: Article

References (24)

1. Bertero M and Boccacci P 1998 Introduction to Inverse Problems in Imaging (London: Institute of Physics Publishing)
2. Brunnett C J, Cox J R, Snyder D L and Mattson R A 1975 Transverse tomograph system having multibeam orbital scanning with all beams offset from the center of orbit US Patent 4,008,400
3. Carmi R, Shapiro O and Braunstein D 2004 Resolution enhancement of x-ray CT by spatial and temporal MLEM deconvolution correction Proc. of the IEEE Medical Imaging Conf.
4. Erdogan H and Fessler J A 1999 Ordered subsets algorithm for transmission tomography Phys. Med. Biol. 44 2835-51
5. Feldkamp L A, Davis L C and Kress J W 1984 Practical cone-beam algorithm J. Opt. Soc. Am. A 6 612-9
6. Fessler J A 2000 Statistical image reconstruction methods for transmission tomography Handbook of Medical Imaging vol 2 ed J M Fritzpatrick and M Sonka (Bellingham, WA: SPIE) chapter 1 pp 1-70
7. Flohr T, Stierstorfer K, Suess C, Schmidt B, Primak A and McCollough C H 2006 Novel ultrahigh resolution data acquisition and image reconstruction for multi-detector row CT Med. Phys. 34 1712-22
8. Forthmann P, Köhler Th, Defrise M and La Rivière P J 2006 Comparison of three sinogram restoration methods Proc. of SPIE Medical Imaging Conf. (San Diego, CA) vol 6142 pp 61420Y-1-12
9. Gies M, Kalender W A, Wolf H, Madsen M T and Suess C 1999 Dose reduction in CT by anatomically adapted tube current modulation: I. Simulation studies Med. Phys. 26 2235-47
10. Heuscher D, Brown K and Noo F 2004 Redundant data and exact helical cone-beam reconstruction Phys. Med. Biol. 49 2219-38
11. Hsieh J 1998 Adaptive streak artifact reduction in computed tomography resulting from excessive x-ray photon noise Med. Phys. 25 2139-47
12. Hutton B, Malcom Hudson H and Beekman F 1997 A clinical perspective of accelerated statistical reconstruction European J. Nucl. Med. 24 797-808
13. Kachelrieß M, Knaup M, Penßel C and Kalender W A 2004 Flying focal spot (FFS) in cone-beam CT Nuclear Science Symp. Conf. Record (Rome) (Piscataway, NJ: IEEE)
14. Kachelrieß M, Watzke O and Kalender W A 2001 Generalized multi-dimensional adaptive filtering for conventional and spiral single-slice, multi-slice and cone-beam CT Med. Phys. 28 475-90
15. Kalender W A 2000 Computed Tomography: Fundamentals, System Technology, Image Quality, Applications (Munich: Publics MCD)
16. Kamphuis C and Beekman F 1998 Accelerated iterative transmission CT reconstruction using an ordered subsets convex algorithm IEEE Trans. Med. Imaging 17 1101-5
17. La Rivière P J 2005 Penalized-likelihood sinogram smoothing for low-dose CT Med. Phys. 32 1676-83
18. La Rivière P J, Bian J and Vargas P A 2006 Penalized-likelihood sinogram restoration for computed tomography IEEE Trans. Med. Imaging 25 1022-36
19. Natterer F 1986 The Mathematics of Computerized Tomography (New York: Wiley)
20. Peters T M and Lewitt R M 1977 Computed tomography with fan-beam geometry J. Comput. Assist. Tomogr. 1 429-36
21. Shechter G, Köhler T, Altman A and Proksa R 2004 The frequency split method for helical cone-beam reconstruction Med. Phys. 31 2230-6
22. Shechter G, Köhler T, Altman A and Proksa R 2005 High-resolution images of cone beam collimated CT scans IEEE Trans. Nucl. Sci. 52 247-55
23. Sohval A R and Freundlich D 1987 Plural source computerized tomography device with improved resolution US Patent 4,637,040
24. Tuy H K 2000 3D image reconstruction for helical partial cone-beam scanners using wedge beam transform US Patent 6,104,775