Analysis of image quality for real-time target tracking using simultaneous kV-MV imaging

Medical Physics

Volumn 35, Issue 12, 2008, Pages 5501-5509

  Luo, W ^a   Yoo, S ^a   Wu, Q J ^a   Wang, Z ^a   Yin, F F ^a  

^a DUKE UNIVERSITY SCHOOL OF MEDICINE   (United States)

Author keywords

Contrast to noise ratio (CNR); Simultaneous kV MV imaging; Target visibility

Indexed keywords

CLUTTER (INFORMATION THEORY); IMAGE ACQUISITION; IMAGE QUALITY; MOTION TRACKING; PHANTOMS; QUALITY CONTROL; REAL TIME SYSTEMS; STATISTICAL PHYSICS; TUMORS; VISIBILITY;

CONTRAST TO NOISE RATIO; CONTRAST-TO-NOISE; DETECTION EFFICIENCY; IMAGING PARAMETERS; REAL TIME TRACKING; REAL-TIME TARGET TRACKING; REAL-TIME TRACKING TECHNIQUES; STATISTICAL CALCULATIONS;

TARGET TRACKING;

ARTICLE; IMAGE ANALYSIS; IMAGE PROCESSING; IMAGE QUALITY; PHANTOM; PRIORITY JOURNAL; QUANTITATIVE ANALYSIS; RADIATION BEAM;

EID: 56749174061     PISSN: 00942405     EISSN: None     Source Type: Journal    
DOI: 10.1118/1.3002313     Document Type: Article

References (23)

1. B. Schaly, " Dosimetric impact of image-guided 3D conformal radiation therapy of prostate cancer.," Phys. Med. Biol. 5, 3083-3101 (2005).
2. S. Huang, " The effect of changing technique, dose, and PTV margin on therapeutic ratio during prostate radiotherapy.," Int. J. Radiat. Oncol., Biol., Phys. 71, 1057-1064 (2008).
3. H. Chuang, " Does image-guided radiotherapy improve toxicity profile in whole pelvic-treated high-risk prostate cancer? Comparison between IG-IMRT and IMRT.," Int. J. Radiat. Oncol., Biol., Phys. 71, 1-8 (2008).
4. H. Kubo, " Breathing-synchronized radiotherapy program at the University of California Davis Cancer Center.," Med. Phys. 27, 346-353 (2000).
5. P. Keal, " Motion adaptive x-ray therapy: A feasibility study.," Phys. Med. Biol. 46, 1-10 (2001).
6. T. Neicu, " Synchronized moving aperture radiation therapy (SMART): average tumor trajectory for lung patients.," Phys. Med. Biol. 48, 587-598 (2003).
7. H. Shirato, " Four-dimensional treatment planning and fluoroscopic real-time tumor tracking radiotherapy for moving tumor.," Int. J. Radiat. Oncol., Biol., Phys. 48, 435-442 (2000).
8. H. Shirato, " Physical aspects of a real-time tumor tracking system for gated radiotherapy.," Int. J. Radiat. Oncol., Biol., Phys. 48, 1187-1195 (2000).
9. D. Verellen, " Quality assurance of a system for improved target localization and patient set-up that combines real-time infrared tracking and stereoscopic x-ray imaging.," Radiother. Oncol. 67, 129-141 (2003).
10. A. Schweikard, " Robotic motion compensation fro respiratory movement during radiotherapy.," Comput. Aided Surg. 5, 263-277 (2000).
11. F. Yin, S. Yoo, and Q. Wu, " Performing concurrent kilovoltage imaging while delivering megavoltage treatment beams.," Med. Phys. 34, 2564 (2007).
12. W. Luo, " Effect of MV scatter on kV image quality during simultaneous kV-MV imaging.," Int. J. Radiat. Oncol., Biol., Phys. 69, S671 (2007).
13. R. Wiersma, W. Mao, and L. Xing, " Combined kV and MV imaging for real-time tracking of implanted fiducial markers.," Med. Phys. 35, 1191-1198 (2008).
14. W. Mao, R. Wieresma, and L. Xing, " Fast internal marker tracking algorithm for onboard MV and kV imaging systems.," Med. Phys. 35, 1942-1949 (2008).
15. D. Buck, M. Alber, and F. Nusslin, " Potential and limitations of the automatic detection of fiducial markers using an amorphous silicon flat-panel imager.," Phys. Med. Biol. 48, 763-774 (2003).
16. J. Motz and C. Dick, " X-ray scatter background signals in transmission radiography.," Med. Phys. 2, 259-267 (1975).
17. J. Motz and M. Danos, " Image information content and patient exposure.," Med. Phys. 5, 8-22 (1978).
18. C. Dick, C. Soares, and J. Motz, " X-ray scatter data for diagnostic radiology.," Phys. Med. Biol. 23, 1076-1085 (1978).
19. M. Herman, " Clinical use of electronic portal imaging: report of AAPM radiation therapy committee task group 58.," Med. Phys. 28, 712-737 (2001).
20. D. Barboriak, " Creation of DICOM-aware applications using ImageJ.," J. Digit Imaging 18, 91-99 (2005).
21. J. Bushberg, The Essential Physics of Medical Imaging (Lippincott Williams & Wilkins, New York, 2002).
22. J. Thirwall, " The detective quantum efficiency of medical x-ray image intensifiers.," Rev. Sci. Instrum. 69, 3953-3957 (1998).
23. Varian Medical System, " Image Acquisition System 3 Reference Guide.," 2007.