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Author profile
Cornel Zachiu, PhD
Department of Radiotherapy, University Medical Center Utrecht
Impact of Fluence-Based Constraints on VMAT Plan Optimization
Volumetric-modulated arc therapy (VMAT) plan optimization remains a challenging problem due to its non-convex character and the large dimensionality of the solution space. Commonly, the problem is split in three steps: 1) ideal fluence optimization 2) arc seq...
Poster Program · Therapy Physics
Consistent Multi-Modal Ventilation Imaging for Online Adaptive Radiotherapy Using Biomechanically Constrained Deformable Image Registration
Computed tomography ventilation imaging (CTVI) allows generating ventilation maps from CT data. CTVI provides spatially resolved information on regional lung function that can support functional avoidance and adaptive treatment strategies, but its current rel...
Poster Program · Therapy Physics
Fast Daily Auto-Contouring for Adaptive Cervical Cancer Treatments on the MR-Linac.
Effectiveness of EBRT depends highly on target coverage, which is challenged by inter- and intra-fraction anatomical motion. MR-guided radiotherapy (MRgRT) reduces the need for inter-fraction planning margins, by daily adaptive planning, for which daily recon...
Proffered Program · Therapy Physics