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1. Geometrical transformation T
•
Deformable /non-rigid
l ti
- e.g. e as c
(
milions of parameters!
)
Image 1
Intrafraction
Applications
- example: breathing (automatic propagation of lung tumor in 4DCT image set)
Interfraction
- example: tumor regression
future
: online adaptive RT
d
i
/
l ti
ose mapp ng accumu a on
Interpatient
atlas based segmentation
-