PD-0047: Implementation of a Low-Cost Reliable Non-Contact Respiratory Motion Monitoring System

2 nd ESTRO Forum 2013 S17 reconstructed γ-test failure rates of all experiments.The reconstructed γ-test failure rates were in excellent agreement with the measurements for both the transient dose (left) and the final accumulated dose (right).Conclusions: A simple time-resolved dose delivery reconstruction model was created and its ability to predict dose delivery errors was validated experimentally for VMAT treatments with and without DMLC tracking.The time-resolved reconstruction allows temporal and spatial pinpointing of errors in the dose delivered to moving targets.With an online implementation, it may be used for treatment intervention in case of erroneous dose evolvement in tracking and non-tracking treatments.