Use of a line-pair resolution phantom for comprehensive quality assurance of electronic portal imaging devices based on fundamental imaging metrics

Medical Physics

Volumn 36, Issue 6, 2009, Pages 2006-2015

  Gopal, Arun ^a   Samant, Sanjiv S ^a  

^a UNIVERSITY OF FLORIDA   (United States)

Author keywords

Bar pattern; Detective quantum efficiency (DQE); Electronic portal imaging device (EPID); Modulation transfer function (MTF); Quality assurance (QA)

Indexed keywords

COMPUTERIZED TOMOGRAPHY; EFFICIENCY; IMAGE ENHANCEMENT; IMAGE QUALITY; LINEAR SYSTEMS; MODULATION; OPTICAL TRANSFER FUNCTION; PHANTOMS; QUALITY ASSURANCE; X RAY RADIOGRAPHY;

AUTOMATED IMAGE ANALYSIS; BAR PATTERN; COMPREHENSIVE QUALITIES; DETECTIVE QUANTUM EFFICIENCY; ELECTRONIC PORTAL IMAGING DEVICES; IMAGE QUALITY ASSESSMENT; IMAGE-GUIDED RADIATION THERAPY; NOISE POWER SPECTRUM;

QUANTUM EFFICIENCY;

ARTICLE; CALIBRATION; COMPARATIVE STUDY; CONTRAST RADIOGRAPHY; CONTROLLED STUDY; DETECTIVE QUANTUM EFFICIENCY; DIAGNOSTIC ACCURACY; DIAGNOSTIC ERROR; ELECTRONIC PORTAL IMAGING DEVICE; IMAGE QUALITY; IMAGING SYSTEM; LABORATORY AUTOMATION; LIGHT SCATTERING; LINEAR SYSTEM; MAGNIFICATION RADIOGRAPHY; MEGAVOLTAGE RADIATION; METHODOLOGY; MODULATION TRANSFER FUNCTION; OPTICAL RESOLUTION; PHANTOM; POWER SPECTRUM; PRIORITY JOURNAL; QUALITY CONTROL; QUANTUM MECHANICS; RADIOFREQUENCY; RADIOGRAPHY; RADIOSENSITIVITY; SIGNAL NOISE RATIO; VOLUMETRY; X RAY;

EID: 66449112179     PISSN: 00942405     EISSN: None     Source Type: Journal    
DOI: 10.1118/1.3099559     Document Type: Article

References (29)

1. L. E. Antonuk, " Electronic portal imaging devices: a review and historical perspective of contemporary technologies and research.," Phys. Med. Biol. 0031-9155 10.1088/0031-9155/47/2/401 47, R31-R65 (2002).
2. O. Gayou and M. Miften, " Commissioning and clinical implementation of a mega-voltage cone beam CT system for treatment localization.," Med. Phys. 0094-2405 10.1118/1.2752374 34, 3183-3192 (2007). (Pubitemid 47175784)
3. J. Pouliot, A. Bani-Hashemi, J. Chen, M. Svatos, F. Ghelmansarai, M. Mitschke, M. Aubin, P. Xia, O. Morin, K. Bucci, M. Roach III, P. Hernandez, Z. Zheng, D. Hristov, and L. Verhey, " Low-dose megavoltage cone-beam CT for radiation therapy.," Int. J. Radiat. Oncol., Biol., Phys. 0360-3016 10.1016/j.ijrobp.2004.10.011 61, 552-560 (2005). (Pubitemid 40164453)
4. K. M. Langen, S. L. Meeks, D. O. Poole, T. H. Wagner, T. R. Willoughby, P. A. Kupelian, K. J. Ruchala, J. Haimerl, and G. H. Olivera, " The use of megavoltage CT (MVCT) images for dose recomputations.," Phys. Med. Biol. 0031-9155 10.1088/0031-9155/50/18/002 50, 4259-4276 (2005). (Pubitemid 41285958)
5. S. L. Meeks, J. F. Harmon, K. M. Langen, T. R. Willoughby, T. H. Wagner, and P. A. Kupelian, " Performance characterization of megavoltage computed tomography imaging on a helical tomotherapy unit.," Med. Phys. 0094-2405 10.1118/1.1990289 32, 2673-2681 (2005). (Pubitemid 41197205)
6. S. Midgley, R. Millar, and J. Dudson, " A feasibility study for megavoltage cone beam CT using a commercial EPID.," Phys. Med. Biol. 0031-9155 10.1088/0031-9155/43/1/010 43, 155-169 (1998). (Pubitemid 28103716)
7. E. C. Ford, J. Chang, K. Mueller, K. Sindhu, D. Todor, G. Mageras, E. Yorke, C. C. Ling, and H. Amols, " Cone-beam CT with megavoltage beams and an amorphous silicon electronic portal imaging device: Potential for verification of radiotherapy of lung cancer.," Med. Phys. 0094-2405 10.1118/1.1517614 29, 2913-2924 (2002). (Pubitemid 36008488)
8. G. Pang and J. A. Rowlands, " Development of high quantum efficiency, flat panel, thick detectors for megavoltage x-ray imaging: a novel direct-conversion design and its feasibility.," Med. Phys. 0094-2405 10.1118/1.1803771 31, 3004-3016 (2004). (Pubitemid 39552690)
9. A. Sawant, L. E. Antonuk, Y. El-Mohri, Y. Li, Z. Su, Y. Wang, J. Yamamoto, Q. Zhao, H. Du, J. Daniel, and R. Street, " Segmented phosphors: MEMS-based high quantum efficiency detectors for megavoltage x-ray imaging.," Med. Phys. 0094-2405 10.1118/1.1854774 32, 553-565 (2005). (Pubitemid 40322337)
10. A. Sawant, L. E. Antonuk, and Y. El-Mohri, " Segmented crystalline scintillators: An initial investigation of high quantum efficiency detectors for megavoltage x-ray imaging.," Med. Phys. 0094-2405 10.1118/1.2008407 32, 3067-3083 (2005). (Pubitemid 41513096)
11. S. Rathee, D. Tu, T. T. Monajemi, D. W. Rickey, and B. G. Fallone, " A bench-top megavoltage fan-beam CT using CdWO4-photodiode detectors. I. System description and detector characterization.," Med. Phys. 0094-2405 10.1118/1.2181290 33, 1078-1089 (2006).
12. S. S. Samant and A. Gopal, " Analysis of the kinestatic charge detection system as a high detective quantum efficiency electronic portal imaging device.," Med. Phys. 0094-2405 10.1118/1.2241991 33, 3557-3667 (2006).
13. S. S. Samant and A. Gopal, " Study of a prototype high quantum efficiency thick scintillation crystal video-electronic portal imaging device.," Med. Phys. 0094-2405 10.1118/1.2216877 33, 2783-2791 (2006). (Pubitemid 44154549)
14. M. G. Herman, J. M. Balter, D. A. Jaffray, K. P. McGee, P. Munro, S. Shalev, M. Van Herk, and J. W. Wong, " Clinical use of electronic portal imaging: Report of AAPM Radiation Therapy Committee Task Group 58.," Med. Phys. 0094-2405 10.1118/1.1368128 28, 712-737 (2001). (Pubitemid 32467250)
15. J. W. Wong, A. Y. Cheng, W. R. Binns, J. W. Epstein, J. Klarmann, and C. A. Perez, " Development of a second-generation fiber-optic on-line image verification system.," Int. J. Radiat. Oncol., Biol., Phys. 26, 311-320 (1993). 0360-3016 (Pubitemid 23156979)
16. M. G. Herman, R. A. Abrams, and R. R. Mayer, " Clinical use of on-line portal imaging for daily patient treatment verification.," Int. J. Radiat. Oncol., Biol., Phys. 28, 1017-1023 (1994). 0360-3016 (Pubitemid 24099885)
17. R. Rajapakshe, K. Luchka, and S. Shalev, " A quality control test for electronic portal imaging devices.," Med. Phys. 0094-2405 10.1118/1.597866 23, 1237-1244 (1996). (Pubitemid 26243020)
18. A. Gopal and S. S. Samant, " Validity of the line-pair bar-pattern method in the measurement of the modulation transfer function (MTF) in megavoltage imaging.," Med. Phys. 0094-2405 10.1118/1.2816108 35, 270-279 (2008).
19. R. T. Droege and R. L. Morin, " A practical method to measure the MTF of CT scanners.," Med. Phys. 0094-2405 10.1118/1.595124 9, 758-760 (1982).
20. R. T. Droege and M. S. Rzeszotarski, " An MTF method immune to aliasing.," Med. Phys. 0094-2405 10.1118/1.595654 12, 721-725 (1985). (Pubitemid 16198589)
21. J. T. Dobbins, D. L. Ergun, L. Rutz, D. A. Hinshaw, H. Blume, and D. C. Clark, " DQE(f) of four generations of computed radiography acquisition devices.," Med. Phys. 0094-2405 10.1118/1.597627 22, 1581-1593 (1995).
22. M. B. Williams, " Noise Power Spectra of Images from Digital Mammography Detectors.," Med. Phys. 0094-2405 10.1118/1.598623 26, 1279-1293 (1999). (Pubitemid 29334796)
23. M. Lachaine, E. Fourkal, and B. G. Fallone, " Detective quantum efficiency of a direct-detection active matrix flat panel imager at megavoltage energies.," Med. Phys. 0094-2405 10.1118/1.1380213 28, 1364-1372 (2001). (Pubitemid 32667275)
24. A. D. A. Maidment, M. Albert, P. C. Bunch, I. A. Cunningham, J. T. Dobbins, R. M. Gagne, R. M. Nishikawa, R. F. Wagner, and R. L. Van Metter, Proc. SPIE 0277-786X 10.1117/12.480451 5030, 523-532 (2003).
25. J. P. Bissonnette, D. A. Jaffray, A. Fenster, and P. Munro, " Optimal radiographic imaging for portal imaging.," Med. Phys. 0094-2405 10.1118/1.597189 21, 1435-1445 (1994).
26. D. A. Jaffray, D. D. Battista, A. Fenster, and P. Munro, " X-ray sources of medical linear accelerators: Focal and extra-focal radiation.," Med. Phys. 0094-2405 10.1118/1.597106 20, 1417-1427 (1993). (Pubitemid 24064554)
27. D. W. O. Rogers, " Fluence to dose equivalent conversion factors calculated with EGS for electrons from 100 Kev to 20 Gev and photons from 11 Kev to 20 Gev.," Health Phys. 46, 891-914 (1984). 0017-9078 (Pubitemid 14107200)
28. R. Mohan, C. Chui, and L. Lidofsky, " Energy and angular distribution of photons from medical linear accelerators.," Med. Phys. 0094-2405 10.1118/1.595680 12, 592-597 (1985). (Pubitemid 15248414)
29. Y. El-Mohri, K-W. Jee, L. E. Antonuk, M. Maolinbay, and Q. Zhao, " Determination of the detective quantum efficiency of a prototype megavoltage indirect detection, active matrix flat-panel imager.," Med. Phys. 0094-2405 10.1118/1.1413516 28, 2538-2550 (2001). (Pubitemid 34031542)