Technical note: Sinogram merging to compensate for truncation of projection data in tomotherapy imaging

Medical Physics

Volumn 29, Issue 11, 2002, Pages 2548-2551

  Hooper, H R ^a   Fallone, B G ^b  

^a UNIVERSITY OF ALBERTA   (Canada)

^b NONE

Author keywords

Helical tomotherapy; Megavoltage CT; MVCT FOV; Sinogram; Truncation artifacts

Indexed keywords

BIOMEDICAL ENGINEERING; IMAGE RECONSTRUCTION; MERGING; RADIOTHERAPY;

HELICAL TOMOTHERAPY; MEGAVOLTAGE CT; MVCT FOV; SINOGRAMS; TRUNCATION ARTIFACTS;

COMPUTERIZED TOMOGRAPHY;

ARTICLE; COLLIMATOR; COMPUTER ASSISTED TOMOGRAPHY; HELICAL TOMOTHERAPY; IMAGING; MEGAVOLTAGE RADIOTHERAPY; PATIENT POSITIONING; PHOTON; PRIORITY JOURNAL; RADIOTHERAPY; ARTIFACT; COMPUTER ASSISTED RADIOTHERAPY; COMPUTER SIMULATION; EVALUATION; IMAGE ENHANCEMENT; IMAGE SUBTRACTION; METHODOLOGY; QUALITY CONTROL; RADIATION DOSE; RADIOMETRY; SPIRAL COMPUTER ASSISTED TOMOGRAPHY; THEORETICAL MODEL;

ARTIFACTS; COMPUTER SIMULATION; IMAGE ENHANCEMENT; MODELS, THEORETICAL; QUALITY CONTROL; RADIOMETRY; RADIOTHERAPY DOSAGE; RADIOTHERAPY PLANNING, COMPUTER-ASSISTED; RADIOTHERAPY, CONFORMAL; SUBTRACTION TECHNIQUE; TOMOGRAPHY, SPIRAL COMPUTED;

EID: 0036852526     PISSN: 00942405     EISSN: None     Source Type: Journal    
DOI: 10.1118/1.1514579     Document Type: Article

References (8)

1. T. R. Mackie, J. Balog, K. Ruchala, D. Shepard, S. Aldridge, E. Fitchard, P. Reckwerdt, G. Olivera, T. McNutt, and M. Mehta, "Tomotherapy," Semin. Radiat. Oncol. 9, 108-117 (1999).
2. J. M. Kapatoes, G. H. Olivera, P. J. Reckwerdt, E. E. Fitchard, E. A. Schloesser, and T. R. Mackie, "Delivery verification in sequential and helical tomotherapy," Phys. Med. Biol. 44, 1815-1841 (1999).
3. J. M. Kapatoes, G. H. Olivera, K. J. Ruchala, J. B. Smilowitz, P. J. Reckwerdt, and T. R. Mackie, "A feasible method for clinical delivery verification and dose reconstruction in tomotherapy," Med. Phys. 28, 528-542 (2001).
4. K. J. Ruchala, G. H. Olivera, E. A. Schloesser, and T. R. Mackie, "Megavoltage CT on a tomotherapy system," Phys. Med. Biol. 44, 2597-2621 (1999).
5. K. J. Ruchala, "Megavoltage Computed Tomography for Tomotherapeutic Verification," Ph.D. thesis, Department of Medical Physics, University of Wisconsin-Madison, 1999.
6. H. H. Barrett and W. Swindell, The Theory of Image Formation, Detection, and Processing, Radiological Imaging Vol. 2 (Academic, New York, 1981).
7. P. S. Cho, R. H. Johnson, and T. W. Griffin, "Cone-beam CT for radiotherapy applications," Phys. Med. Biol. 40, 1863-1883 (1995).
8. S. Midgley, R. M. Millar, and J. Dudson, "A feasibility study for megavoltage cone beam CT using a commercial EPID," Phys. Med. Biol. 43, 155-169 (1998).