English
Related papers

Related papers: Fast Voxel-Wise Kinetic Modeling in Dynamic PET us…

200 papers

Dynamical modeling of multisite human intracranial neural recordings is essential for developing neurotechnologies such as brain-computer interfaces (BCIs). Linear dynamical models are widely used for this purpose due to their…

Neurons and Cognition · Quantitative Biology 2025-12-30 Kiarash Vaziri , Lucine L. Oganesian , HyeongChan Jo , Roberto M. C. Vera , Charles Y. Liu , Brian Lee , Maryam M. Shanechi

We present a learnable physics-based predictive model that provides accurate motion and force-torque prediction of the robot end effector in contact-rich manipulation. The proposed model extends the state-of-the-art GNN-based simulator…

Robotics · Computer Science 2026-03-03 Zongyao Yi , Joachim Hertzberg , Martin Atzmueller

Voxel-based structures provide a modular, mechanically flexible periodic lattice which can be used as a soft robot through internal deformations. To engage these structures for robotic tasks, we use a finite element method to characterize…

Robotics · Computer Science 2022-12-15 Maryam Tebyani , Alex Spaeth , Nicholas Cramer , Mircea Teodorescu

Extended Reality (XR) technologies are gaining traction as effective tools for medical training and procedural guidance, particularly in complex cardiac interventions. This paper presents a novel system for real-time 3D tracking and…

Image and Video Processing · Electrical Eng. & Systems 2024-11-06 Mohsen Annabestani , Sandhya Sriram , S. Chiu Wong , Alexandros Sigaras , Bobak Mosadegh

Numerical simulations to evaluate thoracic aortic hemodynamics include a computational fluid dynamic (CFD) approach or fluid-structure interaction (FSI) approach. While CFD neglects the arterial deformation along the cardiac cycle by…

Electroanatomical mapping, a keystone diagnostic tool in cardiac electrophysiology studies, can provide high-density maps of the local electric properties of the tissue. It is therefore tempting to use such data to better individualize…

Optimization and Control · Mathematics 2021-02-03 Thomas Grandits , Simone Pezzuto , Jolijn M. Lubrecht , Thomas Pock , Gernot Plank , Rolf Krause

Tactile afferents such as (RA), and Pacinian (PC) afferents that respond to external stimuli enable complicated actions such as grasping, stroking and identifying an object. To understand the tactile sensation induced by these actions…

Robotics · Computer Science 2022-08-02 Hiroki Ishizuka , Shoki Kitaguchi , Masashi Nakatani , Hidenori Yoshimura , Fusao Shimokawa

Learning models of dynamical systems with external inputs, which may be, for example, nonsmooth or piecewise, is crucial for studying complex phenomena and predicting future state evolution, which is essential for applications such as…

Machine Learning · Computer Science 2025-04-16 Zhaoyi Li , Wenjie Mei , Ke Yu , Yang Bai , Shihua Li

Factor analysis has proven to be a relevant tool for extracting tissue time-activity curves (TACs) in dynamic PET images, since it allows for an unsupervised analysis of the data. Reliable and interpretable results are possible only if…

Image and Video Processing · Electrical Eng. & Systems 2019-03-27 Yanna Cruz Cavalcanti , Thomas Oberlin , Nicolas Dobigeon , Cédric Févotte , Simon Stute , Maria-Joao Ribeiro , Clovis Tauber

In many clinical settings, the use of both Computed Tomography (CT) and Magnetic Resonance (MRI) is necessary to pursue a thorough understanding of the patient's anatomy and to plan a suitable therapeutical strategy; this is often the case…

Image and Video Processing · Electrical Eng. & Systems 2024-07-16 Leonardo Crespi , Samuele Camnasio , Damiano Dei , Nicola Lambri , Pietro Mancosu , Marta Scorsetti , Daniele Loiacono

Lightweight deep learning models offer substantial reductions in computational cost and environmental impact, making them crucial for scientific applications. We present a lightweight CycleGAN for modality transfer in fluorescence…

Computer Vision and Pattern Recognition · Computer Science 2025-10-20 Mohammad Soltaninezhad , Yashar Rouzbahani , Jhonatan Contreras , Rohan Chippalkatti , Daniel Kwaku Abankwa , Christian Eggeling , Thomas Bocklitz

Magnetic resonance imaging (MRI) and positron emission tomography (PET) are increasingly used in multimodal analysis of neurodegenerative disorders. While MRI is broadly utilized in clinical settings, PET is less accessible. Many studies…

Image and Video Processing · Electrical Eng. & Systems 2024-11-13 Minhui Yu , Mengqi Wu , Ling Yue , Andrea Bozoki , Mingxia Liu

We introduce a novel approach for gait transfer from unconstrained videos in-the-wild. In contrast to motion transfer, the objective here is not to imitate the source's motions by the target, but rather to replace the walking source with…

Computer Vision and Pattern Recognition · Computer Science 2023-01-10 Shahar Mahpod , Noam Gaash , Hay Hoffman , Gil Ben-Artzi

Recent advances in scientific machine learning have shed light on the modeling of pattern-forming systems. However, simulations of real patterns still incur significant computational costs, which could be alleviated by leveraging large…

Computational Engineering, Finance, and Science · Computer Science 2023-02-28 Wei Li , Martin Z. Bazant , Juner Zhu

The study of motion in animals and robots has been aided by insights from geometric mechanics. In friction dominated systems, a mechanical "connection" can provide a high fidelity mechanical model. The connection is a co-vector (Lie…

Biological Physics · Physics 2018-01-26 Brian A. Bittner , Ross L. Hatton , Shai Revzen

Given the crucial role of microtubules for cell survival, many researchers have found success using microtubule-targeting agents in the search for effective cancer therapeutics. Understanding microtubule responses to targeted interventions…

Image and Video Processing · Electrical Eng. & Systems 2019-10-03 Hao-Chih Lee , Sarah T Cherng , Riccardo Miotto , Joel T Dudley

We study the problem of learning physical object representations for robot manipulation. Understanding object physics is critical for successful object manipulation, but also challenging because physical object properties can rarely be…

Robotics · Computer Science 2019-06-13 Zhenjia Xu , Jiajun Wu , Andy Zeng , Joshua B. Tenenbaum , Shuran Song

Breast compression simulation is essential for accurate image registration from 3D modalities to X-ray procedures like mammography. It accounts for tissue shape and position changes due to compression, ensuring precise alignment and…

Computer Vision and Pattern Recognition · Computer Science 2024-11-12 Hadeel Awwad , Eloy García , Robert Martí

Quantification of myocardial perfusion has the potential to improve detection of regional and global flow reduction. Significant effort has been made to automate the workflow, where one essential step is the arterial input function (AIF)…

Quantitative Methods · Quantitative Biology 2020-05-11 Hui Xue , Ethan Tseng , Kristopher D Knott , Tushar Kotecha , Louise Brown , Sven Plein , Marianna Fontana , James C Moon , Peter Kellman

Intra-cardiac echocardiography (ICE) is a crucial imaging modality used in electrophysiology (EP) and structural heart disease (SHD) interventions, providing realtime, high-resolution views from within the heart. Despite its advantages,…

Artificial Intelligence · Computer Science 2025-01-23 Jaeyoung Huh , Paul Klein , Gareth Funka-Lea , Puneet Sharma , Ankur Kapoor , Young-Ho Kim