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Treatment planning in low-dose-rate prostate brachytherapy (LDR-PB) aims to produce arrangement of implantable radioactive seeds that deliver a minimum prescribed dose to the prostate whilst minimizing toxicity to healthy tissues. There can…

Computer Vision and Pattern Recognition · Computer Science 2022-05-10 Tajwar Abrar Aleef , Ingrid T. Spadinger , Michael D. Peacock , Septimiu E. Salcudean , S. Sara Mahdavi

We previously proposed an intelligent automatic treatment planning framework for radiotherapy, in which a virtual treatment planner network (VTPN) was built using deep reinforcement learning (DRL) to operate a treatment planning system…

Medical Physics · Physics 2021-06-09 Chenyang Shen , Liyuan Chen , Yesenia Gonzalez , Xun Jia

In modern chip design, placement aims at placing millions of circuit modules, which is an essential step that significantly influences power, performance, and area (PPA) metrics. Recently, reinforcement learning (RL) has emerged as a…

Machine Learning · Computer Science 2024-12-11 Ke Xue , Ruo-Tong Chen , Xi Lin , Yunqi Shi , Shixiong Kai , Siyuan Xu , Chao Qian

The nuclear fuel loading pattern optimization problem belongs to the class of large-scale combinatorial optimization. It is also characterized by multiple objectives and constraints, which makes it impossible to solve explicitly. Stochastic…

Machine Learning · Computer Science 2023-07-18 Paul Seurin , Koroush Shirvan

In order to improve reproducibility, deep reinforcement learning (RL) has been adopting better scientific practices such as standardized evaluation metrics and reporting. However, the process of hyperparameter optimization still varies…

Machine Learning · Computer Science 2023-06-05 Theresa Eimer , Marius Lindauer , Roberta Raileanu

Much attention has been devoted recently to the development of machine learning algorithms with the goal of improving treatment policies in healthcare. Reinforcement learning (RL) is a sub-field within machine learning that is concerned…

Reinforcement learning (RL) has emerged as a promising approach to automating decision processes. This paper explores the application of RL techniques to optimise the polynomial order in the computational mesh when using high-order solvers.…

Machine Learning · Computer Science 2023-06-16 David Huergo , Gonzalo Rubio , Esteban Ferrer

Many healthcare decisions involve navigating through a multitude of treatment options in a sequential and iterative manner to find an optimal treatment pathway with the goal of an optimal patient outcome. Such optimization problems may be…

Machine Learning · Computer Science 2021-03-10 Elsa Riachi , Muhammad Mamdani , Michael Fralick , Frank Rudzicz

Researchers and practitioners are increasingly considering reinforcement learning to optimize decisions in complex domains like robotics and healthcare. To date, these efforts have largely utilized expectation-based learning. However,…

Machine Learning · Computer Science 2026-04-13 Zequn Chen , Wesley J. Marrero

Purpose: To present an efficient NEEdle Position Optimization (NEEPO) algorithm for prostate rotating shield brachytherapy (RSBT). With RSBT, the increased flexibility beyond conventional high-dose-rate brachytherapy (HDR-BT) due to the…

Reinforcement learning (RL) is a powerful machine learning technique that enables an intelligent agent to learn an optimal policy that maximizes the cumulative rewards in sequential decision making. Most of methods in the existing…

Machine Learning · Statistics 2023-01-06 Chengchun Shi , Zhengling Qi , Jianing Wang , Fan Zhou

As a subfield of machine learning, reinforcement learning (RL) aims at empowering one's capabilities in behavioural decision making by using interaction experience with the world and an evaluative feedback. Unlike traditional supervised…

Machine Learning · Computer Science 2020-04-27 Chao Yu , Jiming Liu , Shamim Nemati

Reinforcement learning (RL) holds great promise for enabling autonomous acquisition of complex robotic manipulation skills, but realizing this potential in real-world settings has been challenging. We present a human-in-the-loop…

Robotics · Computer Science 2025-03-21 Jianlan Luo , Charles Xu , Jeffrey Wu , Sergey Levine

This article addresses the pump-scheduling optimization problem to enhance real-time control of real-world water distribution networks (WDNs). Our primary objectives are to adhere to physical operational constraints while reducing energy…

Artificial Intelligence · Computer Science 2023-10-17 Harsh Patel , Yuan Zhou , Alexander P Lamb , Shu Wang , Jieliang Luo

In recent years, reinforcement learning (RL) has acquired a prominent position in health-related sequential decision-making problems, gaining traction as a valuable tool for delivering adaptive interventions (AIs). However, in part due to a…

Machine Learning · Statistics 2024-07-16 Nina Deliu , Joseph Jay Williams , Bibhas Chakraborty

Reinforcement learning (RL) marks a fundamental shift in how artificial intelligence is applied in healthcare. Instead of merely predicting outcomes, RL actively decides interventions with long term goals. Unlike traditional models that…

Machine Learning · Computer Science 2025-09-01 Dilruk Perera , Gousia Habib , Qianyi Xu , Daniel J. Tan , Kai He , Erik Cambria , Mengling Feng

Reinforcement learning (RL) applications, where an agent can simply learn optimal behaviors by interacting with the environment, are quickly gaining tremendous success in a wide variety of applications from controlling simple pendulums to…

Machine Learning · Computer Science 2022-01-28 Mariam Kiran , Melis Ozyildirim

Conventional data augmentation realized by performing simple pre-processing operations (\eg, rotation, crop, \etc) has been validated for its advantage in enhancing the performance for medical image segmentation. However, the data generated…

Image and Video Processing · Electrical Eng. & Systems 2020-02-25 Tiexin Qin , Ziyuan Wang , Kelei He , Yinghuan Shi , Yang Gao , Dinggang Shen

Reinforcement learning (RL) has achieved some impressive recent successes in various computer games and simulations. Most of these successes are based on having large numbers of episodes from which the agent can learn. In typical robotic…

Robotics · Computer Science 2024-01-05 Jonas Tebbe , Lukas Krauch , Yapeng Gao , Andreas Zell

In physical design, human designers typically place macros via trial and error, which is a Markov decision process. Reinforcement learning (RL) methods have demonstrated superhuman performance on the macro placement. In this paper, we…

Machine Learning · Computer Science 2021-09-07 Zixuan Jiang , Ebrahim Songhori , Shen Wang , Anna Goldie , Azalia Mirhoseini , Joe Jiang , Young-Joon Lee , David Z. Pan