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Fig. 1 | Radiation Oncology

Fig. 1

From: A fast optimization approach for treatment planning of volumetric modulated arc therapy

Fig. 1

The illustration of progressive sampling scheme. a The first beam set with 5 control points (beam spacing 72°). b The second beam set with additional 5 control points (beam spacing 36°). c The third beam set with additional 10 control points (beam spacing 18°). d The fourth beam set with additional 20 control points (beam spacing 9°). e The fifth beam set with additional 20 control points (beam spacing 6°)

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