Measurement of the detective quantum efficiency in digital detectors consistent with the IEC 62220-1 standard: Practical considerations regarding the choice of filter material

Medical Physics

Volumn 32, Issue 7, 2005, Pages 2305-2311

  Ranger, Nicole T ^a   Samei, Ehsan ^a   Dobbins III, James T ^a   Ravin, Carl E ^a  

^a DUKE UNIVERSITY SCHOOL OF MEDICINE   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

AMORPHOUS SILICON; EFFICIENCY; GRAIN SIZE AND SHAPE; IMAGE ACQUISITION; QUALITY CONTROL;

AMORPHOUS SILICON FLAT-PANEL; DETECTIVE QUANTUM EFFICIENCY; HIGH PURITY ALUMINUM; INTERNATIONAL ELECTROTECHNICAL COMMISSION; MANUFACTURING METHODS; NOISE POWER SPECTRUM; QUALITATIVE EVALUATIONS; ULTRA HIGH-PURITY ALUMINUM;

QUANTUM EFFICIENCY;

ALUMINUM; SILICON;

ARTICLE; DIGITAL RADIOGRAPHY; FILTER; FILTRATION; GRAIN; MEASUREMENT; NOISE; PRIORITY JOURNAL; QUALITATIVE ANALYSIS; QUANTUM MECHANICS; RADIOGRAPHY; REPRODUCIBILITY; STANDARD;

EID: 22544452380     PISSN: 00942405     EISSN: None     Source Type: Journal    
DOI: 10.1118/1.1929187     Document Type: Article

References (12)

1. J. T. Dobbins III, "Image quality metrics for digital systems," in Handbook of Medical Imaging, edited by J. Beutel, H. L. Kundel, and R. L. van Metter (SPIE, Bellingham, WA, 2000), Vol. 1, Chap. 3.
2. IEC, "Medical electrical equipment-Characteristics of digital x-ray imaging devices-Part 1: Determination of the detective quantum efficiency," International Electrotechnical Commission, Geneva, Switzerland, IEC 62220-1 (2003).
3. IEC, "Medical diagnostic x-ray equipment-Radiation conditions for use in the determination of characteristics," International Electrotechnical Commission, Geneva, Switzerland, IEC 61267 (1994).
4. C. E. Floyd, Jr., R. J. Warp, J. T. Dobbins III, H. G. Chotas, A. H. Baydush, R. Vargas-Voracek, and C. E. Ravin, "Imaging characteristics of an amorphous silicon flat-panel detector for digital chest radiography," Radiology 218, 683-688 (2001).
5. E. Samei and M. J. Flynn, "An experimental comparison of detector performance for direct and indirect digital radiography systems," Med. Phys. 30, 608-622 (2003).
6. P. E. Granfors, General Electric Medical Systems, Milwaukee, WI (private communication).
7. E. Samei and M. J. Flynn, "Experimental comparison of noise and resolution for 2k and 4k storage phosphor radiography systems," Med. Phys. 26, 1612-1623 (1999).
8. R. Taylor, Goodfellow Corporation, Devon PA (private communication).
9. A. Frederick, Alfa Aesar, Ward Hill MA (private communication).
10. R. Aufrichtig and P. Xue, "Dose efficiency and low-contrast detectability of an amorphous silicon x-ray detector for digital radiography," Phys. Med. Biol. 45, 2653-2669 (2000).
11. J. H. Siewerdsen and D. A. Jaffray, "Optimization of x-ray imaging geometry (with specific application to flat-panel cone-beam computed tomography)," Med. Phys. 27, 1903-1914 (2000).
12. R. M. Gagne, J. S. Boswell, and K. J. Myers, "Signal detectability in digital radiography: Spatial domain figures of merit," Med. Phys. 30, 2180-2192 (2003).