Physics Bucharest 2017

Prediction Error vs. Motion Amplitude

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Historic pattern filtering (192.5 ms) Historic pattern filtering (115 ms) Hybrid method (115 ms)

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SD of prediction error (mm)

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Respiratory motion amplitude (mm)

Hoogeman M, Prévost JB, Nuyttens J, Pöll J, Levendag P, Heijmen B, Clinical accuracy of the respiratory tumor tracking system of the cyberknife: assessment by analysis of log files. Int J Radiat Oncol Biol Phys. 2009 May 1;74(1):297-303.