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We present the design of a mixed reality (MR) telehealth training system that aims to close the gap between in-person and distance training and re-training for medical procedures. Our system uses real-time volumetric capture as a means for…

Human-Computer Interaction · Computer Science 2023-12-18 Manuel Rebol , Krzysztof Pietroszek , Claudia Ranniger , Colton Hood , Adam Rutenberg , Neal Sikka , Christian Guetl

Device tracking is an important prerequisite for guidance during endovascular procedures. Especially during cardiac interventions, detection and tracking of guiding the catheter tip in 2D fluoroscopic images is important for applications…

Computer Vision and Pattern Recognition · Computer Science 2023-07-18 Marc Demoustier , Yue Zhang , Venkatesh Narasimha Murthy , Florin C. Ghesu , Dorin Comaniciu

Cervical spine fractures demand rapid and accurate diagnosis for effective clinical management. This study presents an automated, end-to-end pipeline for fracture detection across cervical vertebrae (C1--C7) that assesses the feasibility of…

Computer Vision and Pattern Recognition · Computer Science 2026-03-05 Fabi Nahian Madhurja , Rusab Sarmun , Muhammad E. H. Chowdhury , Adam Mushtak , Israa Al-Hashimi , Sohaib Bassam Zoghoul

Modern Redirected Walking (RDW) techniques significantly outperform classical solutions. Nevertheless, they are often limited by their heavy reliance on eye-tracking hardware embedded within the VR headset to reveal redirection…

Graphics · Computer Science 2022-06-01 Yashas Joshi , Charalambos Poullis

We introduce the problem of knot-based inverse perceptual art. Given multiple target images and their corresponding viewing configurations, the objective is to find a 3D knot-based tubular structure whose appearance resembles the target…

Graphics · Computer Science 2023-08-22 Aalok Gangopadhyay , Paras Gupta , Tarun Sharma , Prajwal Singh , Shanmuganathan Raman

Dynamic 3D reconstruction and point tracking in videos are typically treated as separate tasks, despite their deep connection. We propose St4RTrack, a feed-forward framework that simultaneously reconstructs and tracks dynamic video content…

Computer Vision and Pattern Recognition · Computer Science 2025-04-18 Haiwen Feng , Junyi Zhang , Qianqian Wang , Yufei Ye , Pengcheng Yu , Michael J. Black , Trevor Darrell , Angjoo Kanazawa

BACKGROUND: Augmented reality (AR) is gaining popularity in varying field such as computer gaming and medical education fields. However, still few of applications in real surgeries. Orthopedic surgical applications are currently limited and…

Quantitative Methods · Quantitative Biology 2020-05-27 Anurag Lal , Ming-Hsien Hu , Pei-Yuan Lee , Min Liang Wang

The reconstruction of 3D cine-MRI is challenged by highly undersampled k-space data in each cine frame, due to the slow speed of MR signal acquisition. We proposed a machine learning-based framework, spatial and temporal implicit neural…

Medical Physics · Physics 2023-08-22 Hua-Chieh Shao , Tielige Mengke , Jie Deng , You Zhang

Accurate visualization of interventional devices, such as medical needles, is essential for the safe and effective guidance of minimally invasive procedures. Ultrasound (US) imaging is widely used for needle guidance, but the…

Computed tomography (CT) scans offer a detailed, three-dimensional representation of patients' internal organs. However, conventional CT reconstruction techniques necessitate acquiring hundreds or thousands of x-ray projections through a…

Image and Video Processing · Electrical Eng. & Systems 2023-11-27 Chulong Zhang , Lin Liu , Jingjing Dai , Xuan Liu , Wenfeng He , Yinping Chan , Yaoqin Xie , Feng Chi , Xiaokun Liang

Purpose: Developing and testing a framework that integrates real-time catheter shape reconstruction, interactive simulations, and mixed reality visualization to enable accurate monitoring of catheter-vessel interactions during endovascular…

Background and Purpose: Accurate motion tracking in MRI-guided Radiotherapy (MRIgRT) is essential for effective treatment delivery. This study aimed to enhance motion tracking precision in MRIgRT through an automatic real-time markerless…

Image and Video Processing · Electrical Eng. & Systems 2025-07-08 Shengqi Chen , Zilin Wang , Jianrong Dai , Shirui Qin , Ying Cao , Ruiao Zhao , Jiayun Chen , Guohua Wu , Yuan Tang

Real-time tool segmentation is an essential component in computer-assisted surgical systems. We propose a novel real-time automatic method based on Fully Convolutional Networks (FCN) and optical flow tracking. Our method exploits the…

In this work, we address the TrackRAD2025 challenge of real-time tumor tracking in cine-MRI sequences of the thoracic and abdominal regions under strong data scarcity constraints. Two complementary strategies were explored: (i) unsupervised…

Computer Vision and Pattern Recognition · Computer Science 2025-10-31 Valentin Boussot , Cédric Hémon , Jean-Claude Nunes , Jean-Louis Dillenseger

Vehicle trajectory prediction is essential for enabling safety-critical intelligent transportation systems (ITS) applications used in management and operations. While there have been some promising advances in the field, there is a need for…

Machine Learning · Computer Science 2022-05-27 Vinit Katariya , Mohammadreza Baharani , Nichole Morris , Omidreza Shoghli , Hamed Tabkhi

During retinal microsurgery, precise manipulation of the delicate retinal tissue is required for positive surgical outcome. However, accurate manipulation and navigation of surgical tools remain difficult due to a constrained workspace and…

Robotics · Computer Science 2020-11-17 Ji Woong Kim , Peiyao Zhang , Peter Gehlbach , Iulian Iordachita , Marin Kobilarov

Action segmentation is a challenging task in high-level process analysis, typically performed on video or kinematic data obtained from various sensors. This work presents two contributions related to action segmentation on kinematic data.…

Computer Vision and Pattern Recognition · Computer Science 2024-07-15 Adam Goldbraikh , Omer Shubi , Or Rubin , Carla M Pugh , Shlomi Laufer

The diagnosis of prostate cancer increasingly depends on multimodal imaging, particularly magnetic resonance imaging (MRI) and transrectal ultrasound (TRUS). However, accurate registration between these modalities remains a fundamental…

Image and Video Processing · Electrical Eng. & Systems 2025-06-03 Xudong Ma , Nantheera Anantrasirichai , Stefanos Bolomytis , Alin Achim

Brachytherapy involves bringing a radioactive source near tumor tissue using implanted needles. Image-guided brachytherapy planning requires amongst others, the reconstruction of the needles. Manually annotating these needles on patient…

Image and Video Processing · Electrical Eng. & Systems 2025-07-28 Vangelis Kostoulas , Arthur Guijt , Ellen M. Kerkhof , Bradley R. Pieters , Peter A. N. Bosman , Tanja Alderliesten

Steerable needles have the potential to improve interstitial brachytherapy by enabling curved trajectories that avoid sensitive anatomical structures. However, existing modeling and control approaches are primarily developed for custom…

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