A prototype table-top inverse-geometry volumetric CT system

Medical Physics

Volumn 33, Issue 6, 2006, Pages 1867-1878

  Schmidt, Taly Gilat ^a,c   Star Lack, Josh ^b   Bennett, N Robert ^a   Mazin, Samuel R ^a,c   Solomon, Edward G ^b   Fahrig, Rebecca ^a   Pelc, Norbert J ^a,c  

^a STANFORD UNIVERSITY   (United States)

^b NexRay Inc   (United States)

^c Department of Electrical Engineering ^*

Author keywords

Inverse geometry CT; MTF; Noise; Volume CT

Indexed keywords

GEOMETRY; PHANTOMS; SCANNING; X RAY APPARATUS; X RAY DETECTORS; X RAYS;

ANALYTICAL PREDICTIONS; HIGH-RESOLUTION DETAILS; INVERSE-GEOMETRY CT; ISOTROPIC RESOLUTION; NOISE; RECONSTRUCTION ALGORITHMS; SCANNING BEAM DIGITAL X-RAY; VOLUME CT;

COMPUTERIZED TOMOGRAPHY;

ALGORITHM; APPARATUS; ARTICLE; ARTIFACT; CALIBRATION; COMPUTED TOMOGRAPHY SCANNER; COMPUTER ASSISTED TOMOGRAPHY; COMPUTER SIMULATION; GEOMETRY; IMAGE ANALYSIS; IMAGE QUALITY; IMAGE RECONSTRUCTION; IMAGING SYSTEM; INVERSE GEOMETRY COMPUTER ASSISTED TOMOGRAPHY; NOISE; PERFORMANCE; PHANTOM; PORTABLE EQUIPMENT; PREDICTION; PRIORITY JOURNAL; ROTATION; SIMULATION; THICKNESS; VOLUMETRY;

EID: 33744785137     PISSN: 00942405     EISSN: None     Source Type: Journal    
DOI: 10.1118/1.2192887     Document Type: Article

References (30)

1. B. D. Smith, " Cone-beam tomography: Recent advances and a tutorial review., " Opt. Eng. (Bellingham) 29, 524-534 (l990).
2. L. A. Feldkamp, L. C. Davis, and J. W. Kress, " Practical cone-beam algorithm., " J. Opt. Soc. Am. A 1, 612-619 (1984).
3. E. Hell, P. Schard, and G. Schwierz, " X-ray computed tomography apparatus.. " U. S. Patent 5,841,831, 1998.
4. T. G. Schmidt, R. Fahrig, E. G. Solomon, and N. J. Pelc, " An inverse-geometry volumetric CT system with a large-area scanned source: A feasibility study., " Med. Phys. 31 (9), 2623-2627 (2004).
5. T. G. Schmidt, R. Fahrig, and N. J. Pelc, " A three-dimensional reconstruction algorithm for an inverse-geometry volumetric CT system., " Med. Phys. 32 (11), 3234-3245 (2005).
6. E. G. Solomon, B. P. Wilfley, M. S. Van Lysel, A. W. Joseph, and J. A. Heanue, " Scanning-beam digital x-ray (SBDX) system for cardiac angiography., " in Medical Imaging 1999: Physics of Medical Imaging [Proc. SPIE 3659, 246-257 (1999)].
7. M. A. Speidel, B. P. Wilfley, J. A. Heanue, T. D. Betttts, and M. S. V. Lysel, " Comparison of vessel contrast measured with a scanning-beam digital x-ray system and an image intensifier/television system., " Med. Phys. 28 (2), 232-240 (2001).
8. M. A. Speidel, " Performance characteristics of the scanning-beam digital x-ray SBDX cardiac imaging system., " Ph.D. thesis, University of Wisconsin, UMI, 2003.
9. R. D. Albert, " X-ray scanning method and apparatus., " U. S. Patent 3,949,229, 1976.
10. R. D. Albert and T. M. Albert, " NDT solution: Aerospace applications of x-ray system using reverse geometry., " Mater. Eval. 51, 1350-1352 (1993).
11. M. D. Silver, R. Albert, and D. Reyna, " Reverse geometry volume computed tomography., " in 1994 ASNT Spring Conference and Third Annual Research Symposium Professional Program, pp. 79-81.
12. J. Heanue, D. Pearson, and R. Melen, " CdZnTe detector array for a scanning-beam digital x-ray system., " in Ref., pp. 718-725.
13. M. J. Tapiovaara and R. F. Wagner, " SNR and DQE analysis of broad spectrum x-ray imaging., " Phys. Med. Biol. 30 (6), 519-529 (1985).
14. G. T. Gullberg, B. M. W. Tsui, C. R. Crawford, J. G. Ballard, and J. T. Hagius, " Estimation of geometrical parameters and collimator evaluation for cone beam tomography., " Med. Phys. 17 (3), 264-272 (1990).
15. A. Rouge, C. Picard, C. Ponchut, and Y. Trousset, " Geometrical calibration of x-ray imaging chains for three-dimensional reconstruction., " Comput. Med. Imaging Graph. 17, 295-300 (1993).
16. A. V. Bronnikov, " Virtual alignment of x-ray cone-beam tomography system using two calibration aperture measurements., " Opt. Eng. (Bellingham) 38, 381-386 (1999).
17. F. Noo, R. Clackdoyle, C. Mennessier, T. A. White, and T. J. Roney, " Analytic method based on identification of ellipse parameters for scanner calibration in cone-beam tomography., " Phys. Med. Biol. 45, 3489-3508 (2000).
18. L. von Smekal, M. Kachelriess, E. Stepina, and W. A. Kalender, " Geometric misalignment and calibration in cone-beam tomography., " Med. Phys. 31 (12), 3242-3266 (2004).
19. Y. Cho, D. J. Moseley, J. H. Siewerdsen, and D. A. Jaffray, " Accurate technique for complete geometric calibration of cone-beam computed tomography systems., " Med. Phys. 32 (4), 968-983 (2005).
20. M. Defrise, D. W. Townsend, and R. Clack, " Three-dimensional image reconstruction from complete projections., " Phys. Med. Biol. 34 (5), 573-587 (1989).
21. J. G. Colsher, " Fully three-dimensional positron emission tomography., " Phys. Med. Biol. 25 (1), 103-115 (1979).
22. N. J. Pelc, " A generalized filtered backprojection algorithm for three dimensional reconstruction., " Ph.D. thesis, Harvard University, 1979.
23. J. I. Jackson, C. H. Meyer, D. G. Nishimura, and A. Macovski, " Selection of a convolution function for Fourier inversion using gridding., " IEEE Trans. Med. Imaging 10, 473-478 (1991).
24. C. C. Shaw, X. Liu, M. Lemacks, J. X. Rong, and G. J. Whitman, " Optimization of MTF and DQE in magnification radiography - A theoretical analysis., " in Medical Imaging 2000: Physics of Medical Imaging [Proc. SPIE 3977, 466-475 (2000)].
25. G. H. Glover and N. J. Pelc, " Nonlinear partial volume artifacts in x-ray computed tomography., " Med. Phys. 7 (5), 238-248 (1980).
26. D. A. Chesler, S. J. Riederer, and N. J. Pelc, " Noise due to photon counting statistics in computed x-ray tomography., " J. Comput. Assist. Tomogr. 1, 64-74 (1977).
27. I. Kawrakow and D. W. O. Rogers, " The EGSnrc code system: Monte Carlo simulation of electron and photon transport., " NRCC Report No. PIRS-701, National Research Council of Canada, Ottawa, 2000.
28. " NIST XCOM: Photon Cross Sections Database., " National Institute of Standards and Technology, Gaithersburg, http://physics.nist.gov/ PhysRefData/Xcom/Text/XCOM.html.
29. J. A. Seibert, " X-ray imaging physics for nuclear medicine technologists. 1. Basic principles of x-ray production., " J. Nucl. Med. Technol. 32 (3), 139-147 (2004).
30. S. Mazin, T. G. Schmidt, E. G. Solomon, R. Fahrig, and N. J. Pelc, " Geometry analysis of an inverse-geometry volumetric CT system with multiple detector arrays., " in Medical Imaging 2004: Physics of Medical Imaging [Proc. SPIE 5368, 320-329 (2004)].