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Stochastic formulation of patient positioning using linac-mounted cone beam imaging with prior knowledge

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Hoegele, Wolfgang ; Loeschel, Rainer ; Dobler, Barbara ; Hesser, J. ; Koelbl, Oliver ; Zygmanski, P.
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Date of publication of this fulltext: 03 Sep 2013 10:43


PURPOSE: In this work, a novel stochastic framework for patient positioning based on linac-mounted CB projections is introduced. Based on this formulation, the most probable shifts and rotations of the patient are estimated, incorporating interfractional deformations of patient anatomy and other uncertainties associated with patient setup. METHODS: The target position is assumed to be defined by ...


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