Measurement of correlated noise in images of computed radiography systems and its influence on the detective quantum efficiency

Proceedings of SPIE - The International Society for Optical Engineering

Volumn 5368, Issue 2, 2004, Pages 639-647

  Illers, Hartmut ^a   Vandenbroucke, Dirk ^b   Buhr, Egbert ^a  

^a PHYSIKALISCH TECHNISCHE BUNDESANSTALT   (Germany)

^b AGFA GEVAERT N V   (Belgium)

Author keywords

Computed radiography CR; Correlated noise; Detective quantum efficiency DQE; Fixed pattern noise; Flat field correction; Noise power spectrum NPS

Indexed keywords

CAMERAS; IMAGE ANALYSIS; IMAGING TECHNIQUES; LUMINESCENCE; PHOTONS; QUANTUM EFFICIENCY; RADIOGRAPHY; SIGNAL TO NOISE RATIO;

COMPUTED RADIOGRAPHY; CORRELATED NOISE; DETECTIVE QUANTUM EFFICIENCY (DQE); FIXED PATTERN NOISE; FLAT FIELD CORRECTION; NOISE POWER SPECTRUM (NPS);

ACOUSTIC NOISE MEASUREMENT;

EID: 3042635450     PISSN: 0277786X     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.1117/12.535807     Document Type: Conference Paper

References (12)

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7. IEC 62220-1: Medical electrical equipment - Characteristics of digital X-ray imaging devices - Part 1: Determination of the detective quantum efficiency, International Electrotechnical Commission (IEC), Geneva, Switzerland, 2003.
8. IEC 61267: Medical diagnostic X-ray equipment - Radiation conditions for use in the determination of characteristics, International Electrotechnical Commission (IEC), Geneva, Switzerland, 1994.
9. see Ref. 3, p. 152.
10. see Ref. 2, p. 171.
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12. see Ref. 3, p. 151.