System and method for simulating a two-dimensional radiation int

Details System and method for simulating a two-dimensional radiation int System and method for simulating a two-dimensional radiation int

1995-01-06

1996-06-11

Porta, David P.

X-ray or gamma ray systems or devices

Specific application

Absorption

378 65, A61N 510, G21K 500

Patent

active

055263950

ABSTRACT:
To simulate radiation intensity distribution of a radiation beam having a field region, a penumbra region, and a scatter tail region changes in radiation intensity distribution of a reference radiation beam in the penumbra region at a reference distance from the radiation source are determined. Next, radiation intensity distribution, at the reference distance, of a radiation beam of arbitrary shape, in the field and tail regions is determined. The radiation intensity distribution of the radiation beam of arbitrary shape is simulated by superimposing the changes in radiation intensity of the reference radiation beam in the penumbra region on to the radiation intensity of the radiation beam of arbitrary shape in the field region and the tail region.

REFERENCES:
patent: 3487559 (1970-01-01), Freedman
patent: 4868843 (1989-09-01), Nunan
patent: 5418827 (1995-05-01), Deasy et al.

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