https://www.cambridge.org/core/journals/journal-of-radiotherapy-in-practice/article/abs/an-infrared-interactive-patient-position-guidance-and-acquisition-control-system-for-use-during-radiotherapy-treatment/3FB90BCB0281A5BD590B5B96CC560D7F
An infrared interactive patient position guidance and acquisition control system for use during radiotherapy treatment - Volume 16 Issue 3
control systeminfraredinteractivepatientposition