A graphical method of avoiding beam blocking by couch supports is described. The technique uses a simplification of the couch cross-section and matrix operations to project the beam into the plane normal to the longitudinal axis of the couch. The algorithm is described, along with a software implementation testing. The application of the software to 3D treatment planning is discussed.
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| http://dx.doi.org/10.1016/j.meddos.2005.01.001 | DOI Listing |
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