An Approach to Improve Accuracy of Optical Tracking Systems in Cranial Radiation Therapy

Ralf Bruder, Achim Schweikard, Floris Ernst, Patrick Stüber, Benjamin Wagner, Tobias Wissel

Abstract

This work presents a new method for the accurate estimation of soft tissue thickness based on near infrared (NIR) laser measurements. By using this estimation, our goal is to develop an improved non-invasive marker-less optical tracking system for cranial radiation therapy. Results are presented for three subjects and reveal an RMS error of less than 0.34 mm.
Original languageEnglish
JournalCureus
Volume7
Issue number1
Number of pages7
DOIs
Publication statusPublished - 07.01.2015

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