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Related papers: Improving Proton Dose Calculation Accuracy by Usin…

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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

Purpose: This study explores the feasibility of dose-escalated proton beam therapy (dPBT) for Locally Advanced Pancreatic Cancer (LAPC) patients by modeling common patient scenarios using current clinically-adopted practices. Methods: Five…

Medical Physics · Physics 2025-07-30 M. A. McIntyre , J. Midson , P. Wilson , P Gorayski , C. E. Hsieh , S. W. Wu , E. Bezak

Prostate Cancer (PCa) is a prevalent disease among men, and multi-parametric MRIs offer a non-invasive method for its detection. While MRI-based deep learning solutions have shown promise in supporting PCa diagnosis, acquiring sufficient…

Image and Video Processing · Electrical Eng. & Systems 2024-06-04 Meng Zhou , Amoon Jamzad , Jason Izard , Alexandre Menard , Robert Siemens , Parvin Mousavi

In the clinical diagnosis and treatment of brain tumors, manual image reading consumes a lot of energy and time. In recent years, the automatic tumor classification technology based on deep learning has entered people's field of vision.…

Image and Video Processing · Electrical Eng. & Systems 2021-04-07 Yuhao Zhang , Shuhang Wang , Haoxiang Wu , Kejia Hu , Shufan Ji

Objective: Proton therapy offers an advantageous dose distribution compared to the photon therapy, since it deposits most of the energy at the end of range, namely the Bragg peak (BP). Protoacoustic technique was developed to in vivo…

Medical Physics · Physics 2022-11-01 Jing Wang , James J. Sohn , Yang Lei , Wei Nie , Jun Zhou , Stephen Avery , Tian Liu , Xiaofeng Yang

Brain plays a crucial role in regulating body functions and cognitive processes, with brain tumors posing significant risks to human health. Precise and prompt detection is a key factor in proper treatment and better patient outcomes.…

Computer Vision and Pattern Recognition · Computer Science 2025-07-01 Roham Maiti , Debasmita Bhoumik

Purpose: Very fast Monte Carlo (MC) simulations of proton transport have been implemented recently on GPUs. However, these usually use simplified models for non-elastic (NE) proton-nucleus interactions. Our primary goal is to build a…

Medical Physics · Physics 2015-06-11 H. Wan Chan Tseung , J. Ma , C. Beltran

Prostate cancer diagnosis through MR imaging have currently relied on radiologists' interpretation, whilst modern AI-based methods have been developed to detect clinically significant cancers independent of radiologists. In this study, we…

Image and Video Processing · Electrical Eng. & Systems 2026-01-09 Xiangcen Wu , Yipei Wang , Qianye Yang , Natasha Thorley , Shonit Punwani , Veeru Kasivisvanathan , Ester Bonmati , Yipeng Hu

Dose-Volume Histogram (DVH) prediction is fundamental in radiation therapy that facilitate treatment planning, dose evaluation, plan comparison and etc. It helps to increase the ability to deliver precise and effective radiation treatments…

Machine Learning · Computer Science 2024-02-05 Zehao Dong , Yixin Chen , Tianyu Zhao

For the in vivo range verification in proton therapy, it has been tried to measure the spatial distribution of the prompt gammas generated by the proton-induced interactions with the close relationship with the proton dose distribution.…

Medical Physics · Physics 2015-03-13 Wook-Geun Shin , Chul Hee Min , Jae-Ik Shin , Jong Hwi Jeong , Se Byeong Lee

Improving patient outcomes depends on the prompt and accurate diagnosis of brain tumors, but manual MRI scan analysis is still time-consuming and unreliable. Although deep learning has shown promise, many of the models that are now in use…

Image and Video Processing · Electrical Eng. & Systems 2026-05-14 Md Fahimul Kabir Chowdhury , Jannatul Ferdous

Predictive dosimetry is central to enabling personalized radiopharmaceutical therapy (RPT), particularly in prostate specific membrane antigen (PSMA) targeted theranostics. In this work, we develop a three layer computational framework that…

Medical Physics · Physics 2026-02-02 Hamid Abdollahi , James Fowler , Carlos Uribe , Arman Rahmim

Recently deep learning has been playing a major role in the field of computer vision. One of its applications is the reduction of human judgment in the diagnosis of diseases. Especially, brain tumor diagnosis requires high accuracy, where…

Computer Vision and Pattern Recognition · Computer Science 2018-09-24 Zahra Sobhaninia , Safiyeh Rezaei , Alireza Noroozi , Mehdi Ahmadi , Hamidreza Zarrabi , Nader Karimi , Ali Emami , Shadrokh Samavi

We have developed a model for proton depth dose and lateral distributions based on Monte Carlo calculations (GEANT4) and an integration procedure of the Bethe-Bloch equation (BBE). The model accounts for the transport of primary and…

Medical Physics · Physics 2010-09-14 W. Ulmer , B. Schaffner

Proton pencil beam scanning (PBS) treatment planning for head & neck (H&N) cancers involves numerous conflicting objectives, requiring iterative objective parameter adjustments to balance multiple clinical goals. We propose a…

Artificial Intelligence · Computer Science 2025-09-16 Qingqing Wang , Liqiang Xiao , Chang Chang

Computer-Aided Diagnosis and Treatment of Tumors is a hot topic of deep learning in recent years, which constitutes a series of medical tasks, such as detection of tumor markers, the outline of tumor leisures, subtypes and stages of tumors,…

Image and Video Processing · Electrical Eng. & Systems 2020-11-03 Dan Zhao , Guizhi Xu , Zhenghua XU , Thomas Lukasiewicz , Minmin Xue , Zhigang Fu

Deep learning has facilitated the automation of radiotherapy by predicting accurate dose distribution maps. However, existing methods fail to derive the desirable radiotherapy parameters that can be directly input into the treatment…

Computer Vision and Pattern Recognition · Computer Science 2024-03-01 Jiaqi Cui , Yuanyuan Xu , Jianghong Xiao , Yuchen Fei , Jiliu Zhou , Xingcheng Peng , Yan Wang

Purpose: To enhance an in-house graphic-processing-unit (GPU) accelerated virtual particle (VP)-based Monte Carlo (MC) proton dose engine (VPMC) to model aperture blocks in both dose calculation and optimization for pencil beam scanning…

Precise breast cancer classification on histopathological images has the potential to greatly improve the diagnosis and patient outcome in oncology. The data imbalance problem largely stems from the inherent imbalance within medical image…

Image and Video Processing · Electrical Eng. & Systems 2024-11-28 Majid Behzadpour , Bengie L. Ortiz , Ebrahim Azizi , Kai Wu

Objective: Intensity-modulated radiation therapy (IMRT) beam angle optimization (BAO) is a challenging combinatorial optimization problem that is NP-hard. In this study, we aim to develop a personalized BAO algorithm for IMRT that improves…

Medical Physics · Physics 2023-03-08 Peng Bao , Gong Wang , Ruijie Yang , Bin Dong
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