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Bronchoscopic navigation relies on registering endoscopic video to a preoperative CT scan, but respiratory motion deforms the airway by 5-20 mm, creating CT-to-body divergence that limits localization accuracy. In practice, this is…

Computer Vision and Pattern Recognition · Computer Science 2026-05-01 Andrea Dunn Beltran , Daniel Rho , Aarav Mehta , Xinqi Xiong , Raúl San José Estépar , Ron Alterovitz , Marc Niethammer , Roni Sengupta

Myocardial infarction is a critical manifestation of coronary artery disease, yet detecting it from single-lead electrocardiogram (ECG) remains challenging due to limited spatial information. An intuitive idea is to convert single-lead into…

Signal Processing · Electrical Eng. & Systems 2025-09-25 Jiarui Jin , Xiaocheng Fang , Haoyu Wang , Jun Li , Che Liu , Donglin Xie , Hongyan Li , Shenda Hong

Patient motion during medical image acquisition causes blurring, ghosting, and distorts organs, which makes image interpretation challenging. Current state-of-the-art algorithms using Generative Adversarial Network (GAN)-based methods with…

Image and Video Processing · Electrical Eng. & Systems 2025-05-12 Andrew Zhang , Hao Wang , Shuchang Ye , Michael Fulham , Jinman Kim

Quantifying muscle tissue properties is crucial for understanding pathophysiological changes occurring in skeletal muscle (SM). In particular, T2 relaxation and diffusion MRI (dMRI) are promising techniques. However, typical methods measure…

Type I Diabetes (T1D) is a chronic disease in which the body's ability to synthesize insulin is destroyed. It can be difficult for patients to manage their T1D, as they must control a variety of behavioral factors that affect glycemic…

Logic in Computer Science · Computer Science 2019-06-25 Josephine Lamp , Simone Silvetti , Marc Breton , Laura Nenzi , Lu Feng

An accurate detection and tracking of devices such as guiding catheters in live X-ray image acquisitions is an essential prerequisite for endovascular cardiac interventions. This information is leveraged for procedural guidance, e.g.,…

Computer Vision and Pattern Recognition · Computer Science 2024-05-03 Saahil Islam , Venkatesh N. Murthy , Dominik Neumann , Badhan Kumar Das , Puneet Sharma , Andreas Maier , Dorin Comaniciu , Florin C. Ghesu

In cardiac CINE, motion-compensated MR reconstruction (MCMR) is an effective approach to address highly undersampled acquisitions by incorporating motion information between frames. In this work, we propose a novel perspective for…

Image and Video Processing · Electrical Eng. & Systems 2024-08-19 Jiazhen Pan , Wenqi Huang , Daniel Rueckert , Thomas Küstner , Kerstin Hammernik

Measuring the dynamics and mechanical properties of muscles and joints is important to understand the (patho)physiology of muscles. However, acquiring dynamic time-resolved MRI data is challenging. We have previously developed…

T2 mapping in fetal brain MRI has the potential to improve characterization of the developing brain, especially at mid-field (0.55T), where T2 decay is slower. However, this is challenging as fetal MRI acquisition relies on multiple…

Magnetic resonance imaging (MRI) is an invaluable tool for clinical and research applications. Yet, variations in scanners and acquisition parameters cause inconsistencies in image contrast, hindering data comparability and reproducibility…

Image and Video Processing · Electrical Eng. & Systems 2025-09-09 Daniel Scholz , Ayhan Can Erdur , Robbie Holland , Viktoria Ehm , Jan C. Peeken , Benedikt Wiestler , Daniel Rueckert

Quantitative MRI (qMRI) methods allow reducing the subjectivity of clinical MRI by providing numerical values on which diagnostic assessment or predictions of tissue properties can be based. However, qMRI measurements typically take more…

Medical Physics · Physics 2022-02-15 Matti Hanhela , Antti Paajanen , Mikko J. Nissi , Ville Kolehmainen

Purpose: Real time monitoring of dynamic magnetic fields has recently become a commercially available option for measuring MRI k-space trajectories and magnetic fields induced by eddy currents in real time. However, for accurate image…

Medical Physics · Physics 2022-05-30 Paul I. Dubovan , Corey A. Baron

Background: Magnetic resonance imaging (MRI) has high sensitivity for breast cancer detection, but interpretation is time-consuming. Artificial intelligence may aid in pre-screening. Purpose: To evaluate the DINOv2-based Medical Slice…

Micro-vascular flow in the myocardium is of significant importance clinically but remains poorly understood. Up to 25% of patients with symptoms of coronary heart diseases have no obstructive coronary arteries and have suspected…

In recent years, machine learning (ML) based reconstruction has been widely investigated and employed in cardiac magnetic resonance (CMR) imaging. ML-based reconstructions can deliver clinically acceptable image quality under substantially…

Image and Video Processing · Electrical Eng. & Systems 2024-11-18 Chi Zhang , Michael Loecher , Cagan Alkan , Mahmut Yurt , Shreyas S. Vasanawala , Daniel B. Ennis

Physics-based motion imitation is central to humanoid control, yet current evaluation metrics (e.g., joint position error) only measure how well a policy imitates but not how difficult the motion itself is. This conflates policy performance…

Graphics · Computer Science 2025-12-09 Zhaorui Meng , Lu Yin , Xinrui Chen , Anjun Chen , Shihui Guo , Yipeng Qin

Precise thigh muscle volumes are crucial to monitor the motor functionality of patients with diseases that may result in various degrees of thigh muscle loss. T1-weighted MRI is the default surrogate to obtain thigh muscle masks due to its…

Image and Video Processing · Electrical Eng. & Systems 2023-04-28 Sheng Chen , Zihao Tang , Dongnan Liu , Ché Fornusek , Michael Barnett , Chenyu Wang , Mariano Cabezas , Weidong Cai

Technological advancements have spurred the usage of machine learning based applications in sports science. Physiotherapists, sports coaches and athletes actively look to incorporate the latest technologies in order to further improve…

Computer Vision and Pattern Recognition · Computer Science 2022-10-04 Ashish Singh , Antonio Bevilacqua , Thach Le Nguyen , Feiyan Hu , Kevin McGuinness , Martin OReilly , Darragh Whelan , Brian Caulfield , Georgiana Ifrim

Cardiac Magnetic Resonance Imaging (MRI) is time-consuming and error-prone. To ease the patient's burden and to increase the efficiency and robustness of cardiac exams, interest in methods based on continuous steady-state acquisition and…

Medical Physics · Physics 2020-10-06 Sebastian Rosenzweig , Nick Scholand , H. Christian M. Holme , Martin Uecker

Biomechanical and clinical gait research observes muscles and tendons in limbs to study their functions and behaviour. Therefore, movements of distinct anatomical landmarks, such as muscle-tendon junctions, are frequently measured. We…