Cycle based
Phase based
Amplitude based - local
Amplitude based – global
Lu
et al
, Med Phys, 2006 – Guckenberger
et al
Radiother Oncol 2007
Imaging for target definition: RC-CT
SBRT 2016 - D. Verellen
19
è
Amplitude-based sorting of projections:
l
Improved image quality
(motion artifacts and reproducibility of tumor motion)
l
Limitations for reconstruction of peaks (deep breaths …)