Time-delayed summation as a means of improving resolution on fast rotating computed tomography systems

Medical Physics

Volumn 39, Issue 4, 2012, Pages 2249-2260

  Nowak, Tristan ^a   Hupfer, Martin ^a   Althoff, Felix ^a   Brauweiler, Robert ^a   Eisa, Fabian ^a   Steiding, Christian ^a   Kalender, Willi A ^a  

^a UNIVERSITY OF ERLANGEN NUREMBERG   (Germany)

Author keywords

computed tomography; detector; spatial resolution; time delayed integration; time delayed summation

Indexed keywords

DATA TRANSFER; DETECTORS; IMAGE ACQUISITION; MEDICAL IMAGING; PHANTOMS; PIXELS; POSITION CONTROL; SCANNING; TIME DELAY; WIRE; X RAY DETECTORS; X RAYS;

CYLINDRICAL DETECTORS; DETECTOR TECHNOLOGY; FIGURES OF MERITS; PERFUSION IMAGING; PHOTON COUNTING DETECTORS; SPATIAL RESOLUTION; TIME DELAYED; TIME DELAYED INTEGRATIONS;

COMPUTERIZED TOMOGRAPHY;

EID: 84861647809     PISSN: 00942405     EISSN: None     Source Type: Journal    
DOI: 10.1118/1.3697533     Document Type: Article

References (26)

1. E. K. Fishman and R. B. Jeffrey, Spiral CT: Principles, Techniques, and Clinical Applications (Lippincott-Raven, Philadelphia, 1998).
2. M. Prokop and M. Galanski, Spiral and Multislice Computed Tomography of the Body (Thieme, Stuttgart, 2003).
3. W. A. Kalender, Computed Tomography: Fundamentals, System Technology, Image Quality, Applications, 3rd ed. (Publicis Publishing, Erlangen, 2011).
4. K. K. Lindfors, J. M. Boone, T. R. Nelson, K. Yang, A. L. C. Kwan, and D. W. F. Miller, Dedicated breast CT: Initial clinical experience., Radiology 246, 725-733 (2008). 10.1148/radiol.2463070410
5. J. M. Boone, T. R. Nelson, K. K. Lindfors, and J. A. Seibert, Dedicated breast CT: Radiation dose and image quality evaluation., Radiology 221, 657-667 (2001). 10.1148/radiol.2213010334 (Pubitemid 33101756)
6. W. A. Kalender, M. Beister, J. M. Boone, D. Kolditz, S. V. Vollmar, and M. C. Weigel, High-resolution spiral CT of the breast at very low dose: Concept and feasibility considerations., Eur. Radiol. 22, 1-8 (2012). 10.1007/s00330-011-2169-4
7. F. Eisa, R. Brauweiler, M. Hupfer, T. Nowak, L. Lotz, I. Hoffmann, D. Wachter, R. Dittrich, M. W. Beckmann, G. Jost, H. Pietsch, and W. A. Kalender, Dynamic contrast-enhanced micro-CT on mice with mammary carcinoma for the assessment of antiangiogenic therapy response., Eur. Radiol. 1-8 (2011).
8. K. Nieman, F. Cademartiri, P. A. Lemos, R. Raaijmakers, P. M. T. Pattynama, and P. J. de Feyter, Reliable noninvasive coronary angiography with fast submillimeter multislice spiral computed tomography., Circulation 106, 2051-2054 (2002). 10.1161/01.CIR.0000037222.58317.3D (Pubitemid 35192809)
9. C. S. Chung, M. Karamanoglu, and S. J. Kovács, Duration of diastole and its phases as a function of heart rate during supine bicycle exercise., Am. J. Physiol. Heart Circ. Physiol. 287, H2003-H2008 (2004). 10.1152/ajpheart.00404.2004 (Pubitemid 39430736)
10. M. J. Budoff, S. Achenbach, R. S. Blumenthal, J. J. Carr, J. G. Goldin, P. Greenland, A. D. Guerci, J. A. C. Lima, D. J. Rader, and G. D. Rubin, Assessment of coronary artery disease by cardiac computed tomography., Circulation 114, 1761-1791 (2006). 10.1161/CIRCULATIONAHA.106.178458 (Pubitemid 44607126)
11. S. Achenbach, D. Ropers, A. Kuettner, T. Flohr, B. Ohnesorge, H. Bruder, H. Theessen, M. Karakaya, W. G. Daniel, and W. Bautz, Contrast-enhanced coronary artery visualization by dual-source computed tomography-Initial experience., Eur. J. Radiol. 57, 331-335 (2006). 10.1016/j.ejrad.2005.12.017 (Pubitemid 43254911)
12. C. R. Becker, M. Reiser, H. Alkadhi, K. Nikolaou, and G. Glazer, Multislice CT (Springer, New York, 2009).
13. A. Oppelt, Imaging Systems for Medical Diagnostics: Fundamentals, Technical Solutions and Applications for Systems Applying Ionizing Radiation, Nuclear Magnetic Resonance and Ultrasound (John Wiley Sons, New York, 2011).
14. J. Sweedler, J. Shear, H. Fishman, R. N. Zare, and R. Scheller, Fluorescence detection in capillary zone electrophoresis using a charge-coupled device with time-delayed integration., Anal. Chem. 63, 496-502 (1991). 10.1021/ac00005a022
15. B. Pain, T. J. Cunningham, G. Yang, and M. Ortiz, U.S. patent 7,268,814 (5 October 2000-2007).
16. J. Bogaerts, G. Meynants and G. Lepage, European patent EP2088763 (12 August 2009).
17. G. Lepage, U.S. patent 7,675,561 (28 September 2006 2010).
18. M. Tesic, M. Fisher Piccaro, and B. Munier, Full field digital mammography scanner., Eur. J. Radiol. 31, 2-17 (1999). 10.1016/S0720-048X(99) 00064-9 (Pubitemid 29391541)
19. T. O. Tümer, S. Yin, V. Cajipe, H. Flores, J. Mainprize, G. Mawdsley, J. A. Rowlands, M. J. Yaffe, E. E. Gordon, and W. J. Hamilton, High-resolution pixel detectors for second generation digital mammography., Nucl. Instrum. Methods Phys. Res. A 497, 21-29 (2003). 10.1016/S0168-9002(02) 01888-0
20. M. Kachelrie, M. Knaup, C. Penel, and W. A. Kalender, Flying focal spot (FFS) in cone-beam CT., IEEE Trans. Nucl. Sci. 53, 1238-1247 (2006). 10.1109/TNS.2006.874076 (Pubitemid 44109420)
21. Y. Kyriakou, M. Kachelrie, M. Knaup, J. U. Krause, and W. A. Kalender, Impact of the z-flying focal spot on resolution and artifact behavior for a 64-slice spiral CT scanner., Eur. Radiol. 16, 1206-1215 (2006). 10.1007/s00330-005-0118-9 (Pubitemid 43840819)
22. T. Flohr, K. Stierstorfer, S. Ulzheimer, H. Bruder, A. Primak, and C. McCollough, Image reconstruction and image quality evaluation for a 64-slice CT scanner with z-flying focal spot., Med. Phys. 32, 2536 (2005). 10.1118/1.1949787 (Pubitemid 41197191)
23. L. Feldkamp, L. Davis, and J. Kress, Practical cone-beam algorithm., J. Opt. Soc. Am. A 1, 612-619 (1984). 10.1364/JOSAA.1.000612
24. L. A. Shepp and B. F. Logan, The Fourier reconstruction of a head section., IEEE Trans. Nucl. Sci. 21, 21-43 (1974). 10.1109/TNS.1974.4327466
25. C. E. Metz and K. Doi, Transfer function analysis of radiographic imaging systems., Phys. Med. Biol. 24, 1079 (1979). 10.1088/0031-9155/24/6/001
26. K. Imamura, N. Ehara, Y. Inada, Y. Kanemaki, J. Okamoto, I. Maeda, K. Miyamoto, H. Ogata, H. Kawamoto, and Y. Nakajima, Microcalcifications of breast tissue: appearance on synchrotron radiation imaging with 6-μm resolution., Am. J. Roentgenol. 190, W234-W236 (2008). 10.2214/AJR.07.2610 (Pubitemid 351571509)