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Achieving accurate and automated tumor segmentation plays an important role in both clinical practice and radiomics research. Segmentation in medicine is now often performed manually by experts, which is a laborious, expensive and…

Image and Video Processing · Electrical Eng. & Systems 2022-11-07 Zhengyong Huang , Sijuan Zou , Guoshuai Wang , Zixiang Chen , Hao Shen , Haiyan Wang , Na Zhang , Lu Zhang , Fan Yang , Haining Wangg , Dong Liang , Tianye Niu , Xiaohua Zhuc , Zhanli Hua

Adaptive Radiation Therapy (ART) was developed based on Image-guided Radiation Therapy (IGRT) and it is the trend of photon radiation therapy. To get a better use of Cone Beam CT (CBCT) images for ART, the CBCT system model was established…

Medical Physics · Physics 2014-08-21 Yu Wang , Chaobin Chen , Ruifen Cao , Liqin Hu , Bingbing Li

Objective: Quantify geometric and dosimetric accuracy of a novel prostate MR-to-MR deformable image registration (DIR) approach to support MR-guided adaptive radiation therapy dose accumulation. Approach: We evaluated DIR accuracy in 25…

Test-time adaptation enables a trained model to adjust to a new domain during inference, making it particularly valuable in clinical settings where such on-the-fly adaptation is required. However, existing techniques depend on large target…

Computer Vision and Pattern Recognition · Computer Science 2025-07-01 Smriti Joshi , Richard Osuala , Lidia Garrucho , Kaisar Kushibar , Dimitri Kessler , Oliver Diaz , Karim Lekadir

Large time series models (LTMs) have emerged as powerful tools for universal forecasting, yet they often struggle with the inherent diversity and nonstationarity of real-world time series data, leading to an unsatisfactory trade-off between…

Machine Learning · Computer Science 2026-03-03 Yunzhong Qiu , Zhiyao Cen , Zhongyi Pei , Chen Wang , Jianmin Wang

The predicted increase in the number of patients receiving radiation therapy (RT) to treat cancer calls for an optimized use of resources. To manually schedule patients on the linear accelerators delivering RT is a time-consuming and…

Optimization and Control · Mathematics 2023-03-29 Sara Frimodig , Carole Mercier , Geert De Kerf

Reliable brain tumor segmentation in MRI is indispensable for treatment planning and outcome monitoring, yet models trained on curated benchmarks often fail under domain shifts arising from scanner and protocol variability as well as…

Computer Vision and Pattern Recognition · Computer Science 2025-09-23 Yuanhan Wang , Yifei Chen , Shuo Jiang , Wenjing Yu , Mingxuan Liu , Beining Wu , Jinying Zong , Feiwei Qin , Changmiao Wang , Qiyuan Tian

The diagnosis and segmentation of tumors using any medical diagnostic tool can be challenging due to the varying nature of this pathology. Magnetic Reso- nance Imaging (MRI) is an established diagnostic tool for various diseases and…

Computer Vision and Pattern Recognition · Computer Science 2017-11-01 Tanvi Gupta , Pranay Manocha , Tapan K. Gandhi , RK Gupta , BK Panigrahi

Deep learning has been successfully applied to OCT segmentation. However, for data from different manufacturers and imaging protocols, and for different regions of interest (ROIs), it requires laborious and time-consuming data annotation…

Computer Vision and Pattern Recognition · Computer Science 2023-05-09 Haoran Zhang , Jianlong Yang , Ce Zheng , Shiqing Zhao , Aili Zhang

Objective: To develop an automatic image normalization algorithm for intensity correction of images from breast dynamic contrast-enhanced magnetic resonance imaging (DCE-MRI) acquired by different MRI scanners with various imaging…

Computer Vision and Pattern Recognition · Computer Science 2018-07-09 Jun Zhang , Ashirbani Saha , Brian J. Soher , Maciej A. Mazurowski

We systematically evaluate a Deep Learning (DL) method in a 3D medical image segmentation task. Our segmentation method is integrated into the radiosurgery treatment process and directly impacts the clinical workflow. With our method, we…

Image and Video Processing · Electrical Eng. & Systems 2021-08-24 Boris Shirokikh , Alexandra Dalechina , Alexey Shevtsov , Egor Krivov , Valery Kostjuchenko , Amayak Durgaryan , Mikhail Galkin , Andrey Golanov , Mikhail Belyaev

The interplay between the beam delivery time structure and the patient motion makes 4D dose calculation (4DDC) important when treating moving tumors with intensity modulated proton therapy. 4DDC based on phase sorting of a 4DCT suffers from…

Medical Physics · Physics 2023-10-13 Ivar Bengtsson , Erik Engwall , Albin Fredriksson , Lars Glimelius

The success of embolisation, a minimally invasive treatment of liver cancer, could be evaluated in the operational room with cone-beam CT by acquiring a dynamic perfusion scan. The reconstruction algorithm must address the issues of low…

The advancement of artificial intelligence (AI) for organ segmentation and tumor detection is propelled by the growing availability of computed tomography (CT) datasets with detailed, per-voxel annotations. However, these AI models often…

Image and Video Processing · Electrical Eng. & Systems 2024-05-29 Jie Liu , Yixiao Zhang , Kang Wang , Mehmet Can Yavuz , Xiaoxi Chen , Yixuan Yuan , Haoliang Li , Yang Yang , Alan Yuille , Yucheng Tang , Zongwei Zhou

We propose a fast beam orientation selection method, based on deep neural networks (DNN), capable of developing a plan comparable to those by the state-of-the-art column generation method. The novelty of Our model lies in its supervised…

Medical Physics · Physics 2019-12-23 Azar Sadeghnejad Barkousaraie , Olalekan Ogunmolu , Steve Jiang , Dan Nguyen

PET/CT imaging is the gold standard for tumor detection, offering high accuracy in identifying local and metastatic lesions. Radiologists often begin assessment with rotational Multi-Angle Maximum Intensity Projections (MIPs) from PET,…

Image and Video Processing · Electrical Eng. & Systems 2025-10-13 Romario Zarik , Nahum Kiryati , Michael Green , Liran Domachevsky , Arnaldo Mayer

A key step in Adaptive Radiation Therapy (ART) workflows is the evaluation of the patient's anatomy at treatment time to ensure the accuracy of the delivery. To this end, Cone Beam Computerized Tomography (CBCT) is widely used being…

Image and Video Processing · Electrical Eng. & Systems 2025-02-10 Ricardo Coimbra Brioso , Leonardo Crespi , Andrea Seghetto , Damiano Dei , Nicola Lambri , Pietro Mancosu , Marta Scorsetti , Daniele Loiacono

Accurate prediction of tumor trajectories under standard-of-care (SoC) therapies remains a major unmet need in oncology. This capability is essential for optimizing treatment planning and anticipating disease progression. Conventional…

Computer Vision and Pattern Recognition · Computer Science 2025-10-07 Moinak Bhattacharya , Gagandeep Singh , Prateek Prasanna

We present a novel application of Tensor Network methods in cancer treatment as a potential tool to solve the dose optimization problem in radiotherapy. In particular, the Intensity-Modulated Radiation Therapy (IMRT) technique - that allows…

Medical Physics · Physics 2021-08-11 Samuele Cavinato , Timo Felser , Marco Fusella , Marta Paiusco , Simone Montangero

Low-dose computed tomography (LDCT) aims to minimize the radiation exposure to patients while maintaining diagnostic image quality. However, traditional CT reconstruction algorithms often struggle with the ill-posed nature of the problem,…

Image and Video Processing · Electrical Eng. & Systems 2024-10-17 Daisy Chen