Multiple gain ranging readout method to extend the dynamic range of amorphous silicon flat panel imagers

Proceedings of SPIE - The International Society for Optical Engineering

Volumn 5368, Issue 1, 2004, Pages 139-149

  Roos, Pieter G ^a   Colbeth, Richard E ^a   Mollov, Ivan ^a   Munro, Peter ^a   Pavkovich, John ^a   Seppi, Edward J ^a   Shapiro, Edward G ^a   Tognina, Carlo A ^a   Virshup, Gary F ^a   Yu, J Michael ^a   Zentai, George ^a   Kaissl, Wolfgang ^b   Matsinos, Evangelos ^b   Richters, Jeroen ^b   Riem, Heinrich ^b  

^a VARIAN MEDICAL SYSTEMS   (United States)

^b VARIAN MEDICAL SYSTEMS   (Switzerland)

Author keywords

Charge amplifier; Cone beam CT; Dual gain; Dynamic range; Flat panel; Gain switching; Multiple gain; Radiography

Indexed keywords

CHARGE AMPLIFIER; CONE BEAM CT; DUAL GAIN; DYNAMIC RANGE; FLAT PANEL; GAIN SWITCHING; MULTIPLE GAIN;

AMORPHOUS SILICON; CAPACITANCE; CAPACITORS; FEEDBACK; QUANTUM EFFICIENCY; SIGNAL PROCESSING; X RAY ANALYSIS;

FLAT PANEL DISPLAYS;

EID: 3042549009     PISSN: 0277786X     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.1117/12.535471     Document Type: Conference Paper

References (7)

1. R. E. Colbeth et. al., "40 × 30 cm Flat Panel Imager for Angiography, R&F, and Cone-Beam CT Applications", Proc SPIE Medical Imaging 2001, Vol. 4320, Feb. 18-20, 2001, San Diego, CA.
2. R. E. Colbeth et. al., "Flat panel imaging system for fluoroscopy applications", Proc SPIE Medical Imaging 1998, Vol. 3336, Feb. 22-24, 1998, San Diego, CA.
3. R. E. Colbeth et. al., "Characterization of a third generation, multi-mode sensor panel", Proc SPIE Medical Imaging 1999, Vol. 3659, Feb. 21-23, 1999, San Diego, CA.
4. E. Seeram, "Computed Tomography - Physical Principles, Clinical Applications & Quality Control", W. B. Saunders Company, 1994.
5. Jacob Beutel, Harold L. Kundel and Richard L. Van Metter, "Handbook of Medical Imaging, Volume 1 Physics and Psychophysics" - SPIE Press, 2000.
6. J. P. Moy, B. Boset, "How does real offset and gain correction affect the DQE in images from X-ray flat detectors", Proc SPIE Medical Imaging 1999, Vol. 3659, Feb. 21-23, 1999, San Diego, CA.
7. Shigeyuki Ikeda, et. al. "Development and Evaluation of a Digital Radiography System using a Large-Area Flat Panel Detector", Proc SPIE Medical Imaging 2003, Vol. 5030, Feb. 15-20, 2001, San Diego, CA.