2642-2643 / 2953
Kernel-based methods:
Convolution/Superposition
3+1D-
superposition:
polyenergetic
primary photon source
more realistic situation:
Poly
energetic
incident photons,
Homogeneous medium (water)
Dose in point
r…
( )
( ) (
)
∫ ∫
−
=
s rEhsETsd dE rD
r r
r
r
,
,
3
ESTRO IMRT course 2016
Dose Calculation in Static and Rotational IMRT
London April 7th, 2016
-29-
weighted superposition of dose contributions for
different energies
→
numerical less expedient than the previous
idealized situation
r
s