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A Framework for Assumption-Free Assessment of Imperfect Geometry of a Linac C-Arms

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KYCIA Radoslaw Antoni TABOR Z. WOSZCZYNA A. KABAT D. TULIK M. LATALA Z.

Rok publikování 2018
Druh Článek v odborném periodiku
Časopis / Zdroj ADVANCES IN APPLIED CLIFFORD ALGEBRAS
Fakulta / Pracoviště MU

Přírodovědecká fakulta

Citace
www https://doi.org/10.1007/s00006-018-0873-8
Doi http://dx.doi.org/10.1007/s00006-018-0873-8
Klíčová slova Radiotherapy; Geometric algebra; Linac
Popis In the present paper a general setup for the determination of imperfect geometry of radiotherapeutic devices has been proposed that is based on a geometric algebra framework. To account for this imperfect geometry, two methods of a calibration were presented, consisting of determining for each angular position of a gantry a correction shift which must be applied to the origin of a laboratory frame of reference to place it along a radiation axis for this angular position. Closed form solutions for these corrections are provided.
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