Physics Bucharest 2017

CONVOLUTION - SUPERPOSITION

Inhomogeneous media

3D Terma distribution calculated using equivalent path length

s Multiply by density at interaction point

Use equivalent path length for kernel lookup

( (r-s)’

D ( r ) Calc point

3 d  

  

  

  r

     k  



V 



D

T

s s r s s

k ( r - s )

ESTRO physics course, June 2017

Slide from Dr. James Bedford