English
Related papers

Related papers: Improved unsupervised physics-informed deep learni…

200 papers

Purpose: This prospective clinical study assesses the feasibility of training a deep neural network (DNN) for intravoxel incoherent motion (IVIM) model fitting to diffusion-weighted magnetic resonance imaging (DW-MRI) data and evaluates its…

Quantitative Methods · Quantitative Biology 2020-01-08 Sebastiano Barbieri , Oliver J. Gurney-Champion , Remy Klaassen , Harriet C. Thoeny

Intra-voxel incoherent motion (IVIM) analysis of fetal lungs Diffusion-Weighted MRI (DWI) data shows potential in providing quantitative imaging bio-markers that reflect, indirectly, diffusion and pseudo-diffusion for non-invasive fetal…

Computer Vision and Pattern Recognition · Computer Science 2022-07-01 Noam Korngut , Elad Rotman , Onur Afacan , Sila Kurugol , Yael Zaffrani-Reznikov , Shira Nemirovsky-Rotman , Simon Warfield , Moti Freiman

Accurate and reliable Magnetic Resonance Imaging (MRI) analysis is particularly important for adaptive radiotherapy, a recent medical advance capable of improving cancer diagnosis and treatment. Recent studies have shown that IVIM-NET, a…

Hardware Architecture · Computer Science 2024-07-09 Zehuan Zhang , Matej Genci , Hongxiang Fan , Andreas Wetscherek , Wayne Luk

Accurate estimation of intravoxel incoherent motion (IVIM) parameters from diffusion-weighted MRI remains challenging due to the ill-posed nature of the inverse problem and high sensitivity to noise, particularly in the perfusion…

Quantitative analysis of pseudo-diffusion in diffusion-weighted magnetic resonance imaging (DWI) data shows potential for assessing fetal lung maturation and generating valuable imaging biomarkers. Yet, the clinical utility of DWI data is…

Image and Video Processing · Electrical Eng. & Systems 2025-01-03 Noga Kertes , Yael Zaffrani-Reznikov , Onur Afacan , Sila Kurugol , Simon K. Warfield , Moti Freiman

Intravoxel incoherent motion (IVIM) imaging allows contrast-agent free in vivo perfusion quantification with magnetic resonance imaging (MRI). However, its use is limited by typically low accuracy due to low signal-to-noise ratio (SNR) at…

Computer Vision and Pattern Recognition · Computer Science 2018-10-25 Lin Zhang , Valery Vishnevskiy , Andras Jakab , Orcun Goksel

Pacreatic ductal adenocarcinoma (PDAC) remains one of the most lethal forms of cancer, with a five-year survival rate below 10% primarily due to late detection. This research develops and validates a deep learning framework for early PDAC…

Computer Vision and Pattern Recognition · Computer Science 2025-09-12 Dennis Slobodzian , Amir Kordijazi

Early detection improves prognosis in pancreatic ductal adenocarcinoma (PDAC) but is challenging as lesions are often small and poorly defined on contrast-enhanced computed tomography scans (CE-CT). Deep learning can facilitate PDAC…

Image and Video Processing · Electrical Eng. & Systems 2022-01-14 Natália Alves , Megan Schuurmans , Geke Litjens , Joeran S. Bosma , John Hermans , Henkjan Huisman

Intravoxel incoherent motion (IVIM) is a diffusion-weighted magnetic resonance imaging (MRI) method that may be applied to the placenta to help diagnose abnormal pregnancies. IVIM requires prolonged scan times, followed by a model-based…

Image and Video Processing · Electrical Eng. & Systems 2025-11-04 Mbaimou Auxence Ngremmadji , Freddy Odille , Charline Bertholdt , Marine Beaumont , Olivier Morel , Bailiang Chen

Intraductal papillary mucinous neoplasm (IPMN) is a precursor to pancreatic ductal adenocarcinoma. While over half of patients are diagnosed with pancreatic cancer at a distant stage, patients who are diagnosed early enjoy a much higher…

Computer Vision and Pattern Recognition · Computer Science 2019-07-02 Rodney LaLonde , Irene Tanner , Katerina Nikiforaki , Georgios Z. Papadakis , Pujan Kandel , Candice W. Bolan , Michael B. Wallace , Ulas Bagci

Background: Intravoxel Incoherent Motion (IVIM) model characterizes both water diffusion and perfusion in tissues, providing quantitative biomarkers valuable for tumor tissue characterization. However, parameter estimation based on this…

Medical Physics · Physics 2025-08-05 Yan Dai , Xun Jia , Yen-peng Liao , Jie Deng

Visual-inertial SLAM systems often exhibit suboptimal performance due to multiple confounding factors including imperfect sensor calibration, noisy measurements, rapid motion dynamics, low illumination, and the inherent limitations of…

Robotics · Computer Science 2025-12-02 Tali Orlev Shapira , Itzik Klein

With the advancement of treatment modalities in radiation therapy for cancer patients, outcomes have improved, but at the cost of increased treatment plan complexity and planning time. The accurate prediction of dose distributions would…

Medical Physics · Physics 2018-12-03 Dan Nguyen , Troy Long , Xun Jia , Weiguo Lu , Xuejun Gu , Zohaib Iqbal , Steve Jiang

\emph{Objective and Impact Statement}. With the renaissance of deep learning, automatic diagnostic systems for computed tomography (CT) have achieved many successful applications. However, they are mostly attributed to careful expert…

Computer Vision and Pattern Recognition · Computer Science 2021-08-19 Penghua Zhai , Huaiwei Cong , Gangming Zhao , Chaowei Fang , Jinpeng Li , Ting Cai , Huiguang He

Background: Pancreatic cancer is one of the most aggressive cancers, with poor survival rates. Endoscopic ultrasound (EUS) is a key diagnostic modality, but its effectiveness is constrained by operator subjectivity. This study evaluates a…

Accurate localization and segmentation of intervertebral disc (IVD) is crucial for the assessment of spine disease diagnosis. Despite the technological advances in medical imaging, IVD localization and segmentation are still manually…

Computer Vision and Pattern Recognition · Computer Science 2018-11-21 Jose Dolz , Christian Desrosiers , Ismail Ben Ayed

Molecular subtyping of PDAC into basal-like and classical has established prognostic and predictive value. However, its use in clinical practice is limited by cost, turnaround time, and tissue requirements, thereby restricting its…

Machine Learning methods can learn how to reconstruct Magnetic Resonance Images and thereby accelerate acquisition, which is of paramount importance to the clinical workflow. Physics-informed networks incorporate the forward model of…

Image and Video Processing · Electrical Eng. & Systems 2022-06-22 D. Karkalousos , S. Noteboom , H. E. Hulst , F. M. Vos , M. W. A. Caan

Introduction: Quantification of dynamic contrast-enhanced (DCE)-MRI has the potential to provide valuable clinical information, but robust pharmacokinetic modeling remains a challenge for clinical adoption. Methods: A 7-layer neural network…

Medical Physics · Physics 2024-05-22 Ouri Cohen , Soudabeh Kargar , Sungmin Woo , Alberto Vargas , Ricardo Otazo

We propose a hybrid physics-informed machine learning framework to approximate invariant manifolds (IMs) of discrete-time dynamical systems driven by exogenous autonomous dynamics (exosystems). Such systems appear in applications ranging…

‹ Prev 1 2 3 10 Next ›