X-ray or gamma ray systems or devices – Specific application – Absorption
Reexamination Certificate
2005-02-08
2005-02-08
Ho, Allen C. (Department: 2882)
X-ray or gamma ray systems or devices
Specific application
Absorption
Reexamination Certificate
active
06853705
ABSTRACT:
In a method for sequentially generating segment fields for use in delivering intensity modulated radiotherapy an input continuous intensity map is generated. A segment field is generated directly from the input intensity map. A residual continuous intensity map is generated that is based on the respective photon fluence contributions from the input intensity map and a fractionally intensity map corresponding to the segment field. These steps are repeated for a number of iterations to generate a like number of additional segment fields and residual maps derived therefrom. In each iteration, the residual map generated in the previous iteration is used as the input intensity map.
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Ho Allen C.
Jenkins & Wilson & Taylor, P.A.
The University of North Carolina at Chapel Hill
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