Radiography
Volume 15, Issue 2 , Pages 134-138 , May 2009

Digital radiography detectors – A technical overview: Part 2

  • Luís Lança

      Affiliations

    • School of Health Technology, Lisbon Polytechnics, Lisbon, Portugal
    • Corresponding Author InformationCorresponding author.
    • ,
  • Augusto Silva

      Affiliations

    • Department of Electronic, Telecommunications and Informatics, Aveiro University, Aveiro, Portugal

Received 14 February 2008 ,Accepted 15 February 2008.

References 

  1. Chotas HG, Dobbins JT, Ravin CE. Principles of digital radiography with large-area, electronically readable detectors: a review of the basics. Radiology. 1999;210:595–599
  2. Neitzel U. Status and prospects of digital detector technology for CR and DR. Radiat Prot Dosimetry. 2005;114:32–38
  3. Samei E. Performance of digital radiographic detectors: factors affecting sharpness and noise. In: Advances in digital radiography. RSNA; 2003;p. 49–61
  4. Körner M, Weber CH, Wirth S, Pfeifer KJ, Reiser MF, Treitl M. Advances in digital radiography: physical principles and system overview. Radiographics. 2007;27:675–686
  5. International Commission on Radiological Protection . Managing patient dose in digital radiology. ICRP Publication 93 Ann. ICRP. 2004;34:
  6. Strotzer M, Völk M, Fründ R, Hamer O, Zorger N, Feuerbach S. Routine chest radiography using a flat-panel detector: image quality at standard detector dose and 33% dose reduction. Am J Roentgenol. 2002;178:169–171
  7. Völk M, Hamer O, Feuerbach S, Strotzer M. Dose reduction in skeletal and chest radiography using a large-area flat-panel detector based on amorphous silicon and thallium-doped cesium iodide: technical background, basic image quality parameters, and review of the literature. European Radiology. 2004;14:827–834
  8. Strotzer M, Völk M, Feuerbach S. Experimental examinations and initial clinical experience with a flat-panel detector in radiography. Electromedica. 1998;2:52–57
  9. Bacher K, Smeets P, Bonnarens K, De Hauwere An, Verstraete K, Thierens H. Dose reduction in patients undergoing chest imaging: digital amorphous silicon flat-panel detector radiography versus conventional film-screen radiography and phosphor-based computed radiography. Am J Roentgenol. 2003;181:923–929
  10. Al Khalifah K, Brindhaban A. Comparison between conventional radiography and digital radiography for various kVp and mAs settings using a pelvic phantom. Radiography. 2004;10:119–125
  11. Vaño E, Fernández JM, Ten JI, Prieto C, González L, Rodríguez R, et al. Transition from screen-film to digital radiography: evolution of patient radiation doses at projection radiography. Radiology. 2007;243:461–466
  12. Busch H. Image quality and dose management for digital radiography – final report. In: Dimond. 3rd ed.. European Commission; 2004;Available from: http://www.dimond3.org/European
  13. Pascoal A, Lawinsky CP, Mackenzie A, Tabakov S, Lewis CA. Chest radiography: a comparison of image quality and effective dose using four digital systems. Radiat Prot Dosimetry. 2005;114:273–277
  14. Tingberg A. Quantifying the quality of medical x-ray images: an evaluation based on normal anatomy lumbar spine and chest radiography. Doctoral Dissertation. Department of Radiation Physics: Lund University, Malmö; 2000.
  15. Tapiovaara M. Relationships between physical measurements and user evaluation of image quality in medical radiology – a review. Stuk – radiation and nuclear safety authority. Helsinki: STUK A-219; 2006;Available from: http://www.stuk.fi/julkaisut/stuk-a/stuk-a219.pdf
  16. Jessen KA. Balancing image quality and dose in diagnostic radiology. Eur Radiol Syllabus. 2004;14:9–18
  17. Marsh DM, Malone JF. Methods and materials for the measurement of subjective and objective measurements of image quality. Radiat Prot Dosimetry. 2001;94:37–42
  18. International Electrotechnical Commission . Medical electrical equipment – characteristics of digital x-ray imaging devices – part 1: Determination of the detective quantum efficiency. In: International standard IEC6220-1. Geneva: IEC; 2003;
  19. Ranger NT, Samei E, Dobbins JT, Ravin CE. Assessment of detective quantum efficiency: intercomparison of a recently introduced international standard with prior methods. Radiology. 2007;243:785–795
  20. Cunningham I. Applied linear-systems theory. In:  Van Metter RL editors. Handbook of medical imaging. Bellingham: Press SPIE; 2000;p. 79–159
  21. Dobbins JT. Image quality metrics for digital systems. In: Handbook of medical imaging. Bellingham: Press SPIE; 2000;p. 161–222
  22. Samei E. Performance of digital radiographic detectors: quantification and assessment methods. In: Advances in digital radiography. RSNA; 2003;p. 37–47
  23. Dobbins JT, Samei E, Ranger NT, Chen Y. Intercomparison of methods for image quality characterization. II. Noise power spectrum. Med Phys. 2006;33:1466–1475
  24. Hanson KM. A simplified method of estimating noise power spectra. In: Physics of medical imaging. Proc Soc Photo Opt Instrum Eng. 3336:1998;p. 243–250
  25. Buades MJ, González A, Tobarra B. Implementación de un Programa Informático para la Determinación de la DQE de un Sistema de Radiología Digital. Revista de Física Médica. 2006;7:57–67
  26. Samei E, Seibert JA, Andriole K, Badano A, Crawford J, Reiner B, et al. AAPM/RSNA tutorial on equipment selection: PACS equipment overview. Radiographics. 2004;24:313–334
  27. Obuchowski N. Receiver operating characteristic curves and their use in radiology. Radiology. 2003;229:3–8
  28. Chakraborty D. Free-response methodology: alternate analysis and a new observer-performance experiment. Radiology. 1990;174:873–881
  29. Metz C. Receiver operating characteristic analysis: a tool for the quantitative evaluation of observer performance and imaging systems. J Am Coll Radiol. 2006;3:413–422
  30. Lanhede B, Bath M, Kheddache S, Sund P, Bjorneld L, Widell M, et al. The influence of different technique factors on image quality of chest radiographs as evaluated by modified CEC image quality criteria. Br J Radiol. 2002;75:38–49

PII: S1078-8174(08)00011-4

doi: 10.1016/j.radi.2008.02.005

Radiography
Volume 15, Issue 2 , Pages 134-138 , May 2009

Article Tools

* Image Usage & Resolution