Intensity-modulated fluence patterns for task-specific imaging in cone-beam CT

Progress in Biomedical Optics and Imaging - Proceedings of SPIE

Volumn 6510, Issue PART 1, 2007, Pages

  Graham, S A ^a,b   Siewerdsen, J H ^a,b   Jaffray, D A ^a,b,c  

^a UNIVERSITY OF TORONTO   (Canada)

^b Ontario Cancer Institute   (Canada)

^c PRINCESS MARGARET HOSPITAL   (Canada)

Author keywords

Dose; Fluence modulation; Image noise; Task specific imaging

Indexed keywords

OPTIMUM BALANCE;

COMPUTERIZED TOMOGRAPHY; IMAGE QUALITY; IMAGING SYSTEMS; PATIENT TREATMENT; PROJECTION SYSTEMS; X RAY SCATTERING;

MEDICAL IMAGING;

EID: 35148830565     PISSN: 16057422     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.1117/12.713724     Document Type: Conference Paper

References (12)

1. K. Kuriyama, H. Onishi, N. Sano, et al. "A new irradiation unit constructed of self-moving gantry-CT and linac," Int. J. Radiat. Oncol. Biol. Phys. 55, 428-35 (2003).
2. T. R. Mackie, T. Holmes, S. Swerdloff, et al. "Tomotherapy: a new concept for the delivery of dynamic conformal radiotherapy." Med. Phys. 20, 1709-19 (1993).
3. D. A. Jaffray, J. H. Siewerdsen, J. W. Wong, and A. A. Martinez, "Flat-panel cone-beam computed tomography for image-guided radiation therapy," Int. J. Radiat. Oncol. Biol. Phys. 53, 1337-1349 (2002).
4. S. A. Graham, D. J. Moseley, J. H. Siewerdsen, and D. A. Jaffray, "Compensators for dose and scatter management in cone-beam CT" Med. Phys. (submitted).
5. R. Chityala, K. R. Hoffmann, S. Rudin, and D. R. Bednarek, "Region of interest (ROI) computed tomography (CT): Comparison with full field of view (FFOV) and truncated CT for a human head phantom," Proc. SPIE Physics of Medical Imaging 5745, 583-590 (2005).
6. C. J. Moore, T. E. Marchant, and A. M. Amer, "Cone beam CT with zonal filters for simultaneous dose reduction, improved target contrast and automated set-up in radiotherapy," Phys. Med. Biol. 51, 2191-2204 (2006).
7. A. C. Kak and M. Slaney, Principles of computerized tomographic imaging. (IEEE Press, 1988).
8. P. Keall, Q. Wu, Y. Wu, and J. O. Kim, "Dynamic MLCIMRT," in Intensity-modulated radiation therapy: The state of the art. Edited by J. R. Palta and T. R. Mackie. Medical Physics Publishing, Madison, 2003.
9. T. G. Schmidt, R. Fahrig, N. J. Pele, E. G. Solomon, "An inverse-geometry volumetric CT system with a large-area scanned source: a feasibility study," Med. Phys. 31, 2623-7 (2004).
10. T. G. Schmidt, J. Star-Lack, N. R. Bennett, S. R. Mazin, E. G. Solomon, R. Fahrig, N. J. Pele, "A prototype tabletop inverse-geometry volumetric CT system," Med. Phys. 33, 1867-78 (2006).
11. L. A. Feldkamp, L. C. Davis, and J. W. Kress, "Practical cone-beam algorithm," J. Opt. Soc. Am. A. 1, 612-619, (1984).
12. G. Jarry, S. A. Graham, D. J. Moseley, et al, "Characterization of scattered radiation in kV CBCT images using Monte Carlo simulations," Med. Phys. 33, 4320-9 (2006).