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Related papers: Dose Prediction Driven Radiotherapy Paramters Regr…

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Deep learning has significantly advanced the potential for automated contouring in radiotherapy planning. In this manuscript, guided by contemporary literature, we underscore three key insights: (1) High-quality training data is essential…

Cancer remains a leading cause of death, highlighting the importance of effective radiotherapy (RT). Magnetic resonance-guided linear accelerators (MR-Linacs) enable imaging during RT, allowing for inter-fraction, and perhaps even…

Radiotherapy often involves a prolonged treatment period. During this time, patients may experience organ motion due to breathing and other physiological factors. Predicting and modeling this motion before treatment is crucial for ensuring…

Image and Video Processing · Electrical Eng. & Systems 2025-05-20 Yuxiang Lai , Jike Zhong , Vanessa Su , Xiaofeng Yang

This paper presents the first deep reinforcement learning (DRL) framework to estimate the optimal Dynamic Treatment Regimes from observational medical data. This framework is more flexible and adaptive for high dimensional action and state…

Artificial Intelligence · Computer Science 2018-01-30 Ning Liu , Ying Liu , Brent Logan , Zhiyuan Xu , Jian Tang , Yanzhi Wang

The development of a digital twin (DT) framework for fast online adaptive proton therapy planning in prostate stereotactic body radiation therapy (SBRT) with dominant intraprostatic lesion (DIL) boost represents a significant advancement in…

Objective: Machine learning (ML) based radiation treatment (RT) planning addresses the iterative and time-consuming nature of conventional inverse planning. Given the rising importance of Magnetic resonance (MR) only treatment planning…

Medical Physics · Physics 2022-06-13 Aly Khalifa , Jeff Winter , Inmaculada Navarro , Chris McIntosh , Thomas G. Purdie

The goal of precision medicine is to provide individualized treatment at each stage of chronic diseases, a concept formalized by Dynamic Treatment Regimes (DTR). These regimes adapt treatment strategies based on decision rules learned from…

Methodology · Statistics 2025-06-09 Sophia Yazzourh , Nicolas Savy , Philippe Saint-Pierre , Michael R. Kosorok

This study investigates the applicability of 3D dose predictions from a model trained on one modality to a cross-modality automated planning workflow. Additionally, we explore the impact of integrating a multi-criteria optimizer on adapting…

Medical Physics · Physics 2024-02-26 Gregory Szalkowski , Xuanang Xu , Shiva Das , Pew-Thian Yap , Jun Lian

In contemporary radiotherapy planning (RTP), a key module leaf sequencing is predominantly addressed by optimization-based approaches. In this paper, we propose a novel deep reinforcement learning (DRL) model termed as Reinforced Leaf…

Machine Learning · Computer Science 2024-06-05 Riqiang Gao , Florin C. Ghesu , Simon Arberet , Shahab Basiri , Esa Kuusela , Martin Kraus , Dorin Comaniciu , Ali Kamen

Rationale and Objectives: Early prediction of pathological complete response (pCR) can facilitate personalized treatment for breast cancer patients. To improve prediction accuracy at the early time point of neoadjuvant chemotherapy, we…

Computer Vision and Pattern Recognition · Computer Science 2025-02-04 Bowen Jing , Jing Wang

Accurate dose distribution prediction is crucial in the radiotherapy planning. Although previous methods based on convolutional neural network have shown promising performance, they have the problem of over-smoothing, leading to prediction…

Image and Video Processing · Electrical Eng. & Systems 2024-10-31 Xin Liao , Zhenghao Feng , Jianghong Xiao , Xingchen Peng , Yan Wang

Radiation therapy is the primary method used to treat cancer in the clinic. Its goal is to deliver a precise dose to the planning target volume (PTV) while protecting the surrounding organs at risk (OARs). However, the traditional workflow…

Image and Video Processing · Electrical Eng. & Systems 2024-04-10 Tara Gheshlaghi , Shahabedin Nabavi , Samire Shirzadikia , Mohsen Ebrahimi Moghaddam , Nima Rostampour

This work investigates the ways in which deep learning methods can benefit from random projection (RP), a classic linear dimensionality reduction method. We focus on two areas where, as we have found, employing RP techniques can improve…

Machine Learning · Computer Science 2018-12-27 Piotr Iwo Wójcik

Purpose: This study evaluates the effectiveness and impact of automated order-based protocol assignment for magnetic resonance imaging (MRI) exams using natural language processing (NLP) and deep learning (DL). Methods: NLP tools were…

Machine Learning · Computer Science 2021-06-17 Andrew S. Nencka , Mohammad Sherafati , Timothy Goebel , Parag Tolat , Kevin M. Koch

In the precision medicine era, there is a growing need for precision radiotherapy where the planned radiation dose needs to be optimally determined by considering a myriad of patient-specific information in order to ensure treatment…

Machine Learning · Statistics 2022-02-10 Wenbo Sun , Dipesh Niraula , Issam El Naqa , Randall K Ten Haken , Ivo D Dinov , Kyle Cuneo , Judy Jin

The treatment planning process for patients with head and neck (H&N) cancer is regarded as one of the most complicated due to large target volume, multiple prescription dose levels, and many radiation-sensitive critical structures near the…

Medical Physics · Physics 2019-03-27 Dan Nguyen , Xun Jia , David Sher , Mu-Han Lin , Zohaib Iqbal , Hui Liu , Steve Jiang

Radiation therapy is crucial in cancer treatment. Experienced experts typically iteratively generate high-quality dose distribution maps, forming the basis for excellent radiation therapy plans. Therefore, automated prediction of dose…

Image and Video Processing · Electrical Eng. & Systems 2025-01-23 Linjie Fu , Xia Li , Xiuding Cai , Yingkai Wang , Xueyao Wang , Yali Shen , Yu Yao

Radiotherapy inverse planning often requires planners to modify parameters in the treatment planning system's objective function to produce clinically acceptable plans. Due to the manual steps in this process, plan quality can vary…

Medical Physics · Physics 2022-05-11 Kelsey Maass , Aleksandr Aravkin , Minsun Kim

Anatomical changes during intensity-modulated proton therapy (IMPT) for head-and-neck cancer (HNC) can shift Bragg peaks, risking tumor underdosing and organ-at-risk overdosing. Treatment replanning is often required to maintain clinically…

Medical Physics · Physics 2025-08-13 Malvern Madondo , Yuan Shao , Yingzi Liu , Jun Zhou , Xiaofeng Yang , Zhen Tian

Inverse treatment planning in radiation therapy is formulated as optimization problems. The objective function and constraints consist of multiple terms designed for different clinical and practical considerations. Weighting factors of…