Respiratory motion compensation in radiotherapy

Abstract

The goal of this study is to develop a prototype for compensating respiratory motion in radiotherapy by the position of a couch. It requires predicting a position of the tumor and moving the couch (patient) into the required position. In this study we propose algorithms based on exponential smoothing for predicting a position of an external marker, generalized least squares method for multiple linear regression and prototype based on HexaPOD evo couch, NDI Polaris infrared stereo camera and in-house software developed by Rubedo Systems