Research Article
Lateral Penumbra Modelling Based Leaf End Shape Optimization for Multileaf Collimator in Radiotherapy
Table 1
Leaf end parameterization and design variables.
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Bernstein basis polynomial of Bézier curve is denoted by . B-spline is a piecewise polynomial function of degree k, which is defined by control points and knots . Coefficient is obtained by recurrence relation. |