2556-2557 / 3107
Convolution - superposition
D
(
r
)
Calc point
k
(
r
-
s
)
( )
( ) ( ) ( )
s s r s s
r
3
d
k
T
D
V
∫∫∫
⎟
⎠
⎞
⎜
⎝
⎛
ʹ −
ʹ
=
ρ
Primary
3D Terma distribution calculated
using equivalent path length
s
Multiply by density
at interaction point
Use equivalent path length
for kernel lookup
Inhomogeneous media
Slide from Dr. James Bedford
(
(r-s)
Kernel scaling