Method for reversely planning treatment plan and treatment plan system
A technology for treatment planning and planning, applied in computing, special data processing applications, instruments, etc., to solve problems such as high experience and skill requirements of planners, limited collimator size, and time-consuming
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[0076] One embodiment, wherein step 104 further includes: expanding the volume of the target body outward to a preset first range Ex1 to form a first expansion area V of the target body ex1 ; Set the target volume in the first expansion zone V ex1 Expand the preset second range Ex2 outward to form the second expansion area V of the target body ex2 ,Such as figure 2 shown.
[0077] In one embodiment, for a single healthy tissue / organ-at-risk, the reverse planning goal includes: prescription dose D p , healthy tissue / organ-at-risk limiting dose D m ; its fitness can be calculated by the following formula:
[0078] f ( k ) = a V t + bV s + c V total V p V 0
[0079] Among them, k is the evolution algeb...
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