2D detectors [EPID]
Detector scatter kernel
EPID measurement
Small ROI near
central axis
Ion chamber measurement
Ic depth of Dmax
http://radonc.ucsf.edu/research_group/jpouliot/tutorial/main.htm1. Dose Response of the
EPID
2. Lateral Scatter within
the EPID
3. Scatter from the patient
2D:
need a
second
Kernel
to model
penumbra.
Compare profiles in
the EPID with those
measured in a water
phantom.