Transient noise characterization and filtration in CCD cameras exposed to stray radiation from a medical linear accelerator

Medical Physics

Volumn 35, Issue 10, 2008, Pages 4342-4351

  Archambault, Louis ^a   Briere, Tina Marie ^a   Beddar, Sam ^a  

^a UNIVERSITY OF TEXAS MD ANDERSON CANCER CENTER   (United States)

Author keywords

CCD cameras; Denoising; Dosimetry; Plastic scintillators

Indexed keywords

ADAPTIVE FILTERING; ADAPTIVE FILTERS; CHARGE COUPLED DEVICES; DOSIMETRY; LINEAR ACCELERATORS; MEDIAN FILTERS; PIXELS; STRAY LIGHT; TIME SERIES;

DE-NOISING; IMAGE DISTORTIONS; INTENSITY DISTRIBUTION; MEDIAN FILTERING; NOISE FILTRATION; PLASTIC SCINTILLATOR; RADIATION-INDUCED; SWITCHING MECHANISM;

CCD CAMERAS;

ALGORITHM; ARTICLE; CAMERA; CHARGE COUPLED DEVICE; DOSIMETRY; IMAGE QUALITY; LINEAR ACCELERATOR; NOISE REDUCTION; PRIORITY JOURNAL; RADIATION EXPOSURE;

EID: 52949100561     PISSN: 00942405     EISSN: None     Source Type: Journal    
DOI: 10.1118/1.2975147     Document Type: Article

References (13)

1. L. Archambault, A. S. Beddar, L. Gingras, F. D. Lacroix, R. Roy, and L. Beaulieu, " Water-equivalent dosimeter array for small-field external beam radiotherapy.," Med. Phys. 34, 1583-1592 (2007).
2. S. N. Boon, P. van Luijk, J. M. Schippers, H. Meertens, J. M. Denis, S. Vynckier, J. Medin, and E. Grusell, " Fast 2D phantom dosimetry for scanning proton beams.," Med. Phys. 25, 464-475 (1998).
3. A. S. Kirov, J. Z. Piao, N. K. Mathur, T. R. Miller, S. Devic, S. Trichter, M. Zaider, C. G. Soares, and T. LoSasso, " The three-dimensional scintillation dosimetry method: Test for a 106Ru eye plaque applicator.," Phys. Med. Biol. 50, 3063-3081 (2005).
4. M. P. Petric, J. L. Robar, and B. G. Clark, " Development and characterization of a tissue equivalent plastic scintillator based dosimetry system.," Med. Phys. 33, 96-105 (2006).
5. A. S. Beddar, T. R. Mackie, and F. H. Attix, " Water-equivalent plastic scintillation detectors for high-energy beam dosimetry. II. Properties and measurements.," Phys. Med. Biol. 37, 1901-1913 (1992).
6. A. S. Beddar, " Plastic scintillation dosimetry and its application in radiotherapy.," Radiat. Meas. 41, S124-S133 (2007).
7. L. Archambault, J. Arsenault, L. Gingras, A. S. Beddar, R. Roy, and L. Beaulieu, " Plastic scintillation dosimetry: Optimal selection of scintillating fibers and scintillators.," Med. Phys. 32, 2271-2278 (2005).
8. T. Sun and Y. Neuvo, " Detail-preserving median based filters in image processing.," Pattern Recogn. Lett. 15, 341-347 (1994).
9. T. Chen and W. Hong Ren, " Adaptive impulse detection using center-weighted median filters.," IEEE Signal Process. Lett. 8, 1-3 (2001).
10. E. How-Lung and M. Kai-Kuang, " Noise adaptive soft-switching median filter.," IEEE Trans. Image Process. 10, 242-251 (2001).
11. H. Li, B. Schillinger, E. Calzada, L. Yinong, and M. Muehlbauer, " An adaptive algorithm for gamma spots removal in CCD-based neutron radiography and tomography.," Nucl. Instrum. Methods Phys. Res. A 564, 405-413 (2006).
12. M. D. Abramoff, P. J. Magelhaes, and S. J. Ram, " Image processing with ImageJ.," Biophotonics Int. 11, 36-42 (2004).
13. F. Lacroix, L. Archambault, L. Gingras, M. Guillot, S. Beddar, and L. Beaulieu, " Clinical prototype of a plastic water-equivalent scintillating fiber dosimeter array for QA applications.," Med. Phys. 35, 3682-3690 (2008).