Dose Course 2018_Flipping book

Future role of pencil kernel(beam) algorithms? - fast algorithms for probabilistic planning!!

Planning paradigm

Number of recalculations

CRT forward

1

PTV based IMRT

100

Probabilistic planning

100000

….a speedup of over 1000 times compared to the full pencil kernel calculations. The speedup versus collapsed cone would be greater…

Tilly and Ahnesjö (2015). Phys. Med. Biol. 60: 5439-54.