Performance evaluation of a computed radiography imaging device using a typical "front side" and novel "dual side" readout storage phosphors

Medical Physics

Volumn 33, Issue 2, 2006, Pages 290-296

  Fetterly, Kenneth A ^a   Schueler, Beth A ^a  

^a MAYO CLINIC   (United States)

Author keywords

Computed radiography; Detective quantum efficiency; Modulation transfer function; Noise power spectrum

Indexed keywords

EFFICIENCY; LIGHT EMISSION; MAMMOGRAPHY; MODULATION; OPTICAL TRANSFER FUNCTION; PHOSPHORS; PLATES (STRUCTURAL COMPONENTS); POWER SPECTRUM; STORAGE (MATERIALS); X RAY RADIOGRAPHY;

COMPUTED RADIOGRAPHY; DETECTIVE QUANTUM EFFICIENCY; LOW-SPATIAL FREQUENCY; NOISE POWER SPECTRUM; NORMALIZED NOISE POWER SPECTRUM; SPATIAL FREQUENCY; STORAGE PHOSPHORS; X-RAY IMAGING DEVICES;

QUANTUM EFFICIENCY;

PHOSPHORUS; TUNGSTEN;

ARTICLE; COMPUTER ASSISTED RADIOGRAPHY; EVALUATION; EXPOSURE; FOURIER ANALYSIS; MODULATION TRANSFER FUNCTION; NOISE; PERFORMANCE; POWER SPECTRUM; PRIORITY JOURNAL; QUANTUM THEORY; X RAY;

EID: 31844444015     PISSN: 00942405     EISSN: None     Source Type: Journal    
DOI: 10.1118/1.2143306     Document Type: Article

References (21)

1. N. Subramanian, R. Kesavamoorthy, K. Govinda Rajan, M. Yousuf, S. Bera, and S. V. Narasimhan, "X-ray excited optical luminescence, photoluminescence, photostimulated luminescence and x-ray photoemission spectroscopy studies on BaFBr:Eu," J. Phys.: Condens. Matter 9, 4769-4780 (1997).
2. S. Arakawa, H. Yasuda, K. Kohda, and T. Suzuki, "Improvement of image quality in CR mammography by detection of emissions from dual sides of an imaging plate," Physics of Medical Imaging [Proc. SPIE 3977, 590-600 (2000)].
3. A. Workman and A. R. Cowen, "Improved image quality utilizing dual plate computed radiography," Br. J. Radiol. 68, 182-188 (1995).
4. C. C. Shaw, T. P. Wang, D. S. Breitenstein, and D. Gur, "Improvement of signal-to-noise ratio and contrast-to-noise ratios in dual-screen computed radiography," Med. Phys. 24, 1293-1302 (1997).
5. K. A. Fetterly and B. A. Schueler, "Performance evaluation of a 'dual side read' dedicated mammography computed radiography system," Med. Phys. 30, 1843-1854 (2003).
6. A. R. Cowen, A. Workman, and J. S. Price, "Physical aspects of photostimulable phosphor computed radiography," Br. J. Radiol. 66, 332-345 (1993).
7. M. J. Flynn and E. Samei, "Experimental comparison of noise and resolution for 2k and 4k storage phosphor radiography systems," Med. Phys. 26, 1612-1623 (1999).
8. K. A. Fetterly and N. J. Hangiandreou, "Effects of x-ray spectra on the DQE of a computed radiography system," Med. Phys. 28, 241-249 (2001).
9. E. Samei and M. J. Flynn, "An experimental comparison of imaging device performance for computed radiography systems," Med. Phys. 29, 447-458 (2002).
10. J. R. Wilkie, M. L. Giger, M. R. Chinander, T. J. Vokes, R. M. Nishikawa, and M. D. Carlin, "Investigation of physical image quality indices of a bone densitometry system," Med. Phys. 31, 873-881 (2004).
11. U. Neitzel, S. Gunther-Kohfahl, G. Borasi, and E. Samei, "Determination of the detective quantum efficiency of a digital x-ray imaging device: Comparison of three evaluations using a common image data set," Med. Phys. 31, 2205-2211 (2004).
12. I. A. Cunningham, "Applied Linear-Systems Theory," Handbook of Medical Imaging, edited by J. Beutel, H. L. Kundel, and R. L. VanMetter (SPIE Press, Bellingham, WA, 2000), Vol. 1, Physics and Psycophysics, pp. 79-159.
13. ICRU Report 54, Medical Imaging - The Assessment of Image Quality (ICRU, Bethesda, MD, 1996).
14. International Electrotechnical Commission, International Standard IEC 62220-1, "Medical electrical equipment - Characteristics of digital X-ray imaging devices - Part 1: Determination of the detective quantum efficiency," Geneva, 2003.
15. K. A. Fetterly, N. J. Hangiandreou, B. A. Schueler, and E. R. Ritenour, "Measurement of the presampled two-dimensional modulation transfer function of digital imaging systems," Med. Phys. 29, 913-921 (2002).
16. I. A. Cunningham and A. Fenster, "A method for modulation transfer function determination from edge profiles with correction for finite-element differentiation," Med. Phys. 14, 533-537 (1987).
17. E. Samei, M. J. Flynn, and D. A. Reimann, "A method for measuring the presampled MTF of digital radiographic systems using an edge test device," Med. Phys. 25, 102-113 (1998).
18. I. A. Cunningham, "Linear-systems modeling of parallel cascaded stochastic process: The NPS of radiographic screens with reabsorption of characteristic x radiation," Physics of Medical Imaging [Proc. SPIE 3336, 220-230 (1998)].
19. M. Flynn, S. Wilderman, and J. Kanicki, "The effect of secondary radiations on the performance of digital radiographic imaging devices," Physics of Medical Imaging [Proc. SPIE 3336, 326-336 (1998)].
20. W. Zhao, W. G. Ji, and J. A. Rowlands, "Effects of characteristic x rays on the noise power spectra and detective quantum efficiency of photoconductive x-ray imaging devices," Med. Phys. 28, 2039-2049 (2001).
21. I. Kandarakis, D. Cavouras, E. Kanellopoulos, C. D. Nomicos, and G. S. Panayiotakis, "Image quality evaluation of YVO4:Eu phosphor screens for use in x-ray medical imaging detectors," Radiat. Meas. 29, 481-486 (1998).