IMRT Course 2016

Kernel-based methods:

‘Collapsed Cone’ approximation for efficient density rescaling

•

Discretization of the point

kernel into angular sectors

(‘cones’)

•

density rescaling only done

for voxels on the central cone

ESTRO IMRT course 2016

Dose Calculation in Static and Rotational IMRT

London April 7th, 2016

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axis, i.e. the cones are

‘collapsed’ to their central

axis

•

precision and calculation

time depend on resolution