Search Results for author: Kelsey Maass

Found 4 papers, 3 papers with code

A hyperparameter-tuning approach to automated inverse planning

1 code implementation14 May 2021 Kelsey Maass, Aleksandr Aravkin, Minsun Kim

This study demonstrates that hyperparameter-tuning approaches to automated inverse planning can reduce active planning time with plan quality that is similar to or better than manually-generated plans.

Bayesian Optimization Dimensionality Reduction

Street-level Travel-time Estimation via Aggregated Uber Data

no code implementations13 Jan 2020 Kelsey Maass, Arun V. Sathanur, Arif Khan, Robert Rallo

Our proposed methodology uses a graph representation of the road network and combines several techniques such as graph-based routing, trip sampling, graph sparsification, and least-squares optimization to estimate the street-level travel times.

Travel Time Estimation

A nonconvex optimization approach to IMRT planning with dose-volume constraints

1 code implementation24 Jul 2019 Kelsey Maass, Minsun Kim, Aleksandr Aravkin

Fluence map optimization for intensity-modulated radiation therapy planning can be formulated as a large-scale inverse problem with competing objectives and constraints associated with the tumors and organs-at-risk.

Optimization and Control Medical Physics Quantitative Methods 65K10, 90C26, 97M60

A Markov decision process approach to optimizing cancer therapy using multiple modalities

1 code implementation28 Jun 2017 Kelsey Maass, Minsun Kim

There are several different modalities, e. g., surgery, chemotherapy, and radiotherapy, that are currently used to treat cancer.

Optimization and Control Medical Physics

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