TY - RPRT TI - Optimization of intensity modulated beams with volume constraints using two methods: cost function minimization and projections onto convex sets. AU - P S Cho AU - S Lee AU - R J Marks AU - S Oh AU - S G Sutlief AU - M H Phillips PY - 1998 DO - 10.1118/1.598218 UR - https://pubmed.ncbi.nlm.nih.gov/9571609/ ID - 9571609 ER -