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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

In the era of digital medicine, medical imaging serves as a widespread technique for early disease detection, with a substantial volume of images being generated and stored daily in electronic patient records. X-ray angiography imaging is a…

Image and Video Processing · Electrical Eng. & Systems 2024-05-01 Hadis Keshavarz , Hossein Sadr

In minimally invasive endovascular procedures, contrast-enhanced angiography remains the most robust imaging technique. However, it is at the expense of the patient and clinician's health due to prolonged radiation exposure. As an…

Image and Video Processing · Electrical Eng. & Systems 2024-09-11 Alex Ranne , Liming Kuang , Yordanka Velikova , Nassir Navab , Ferdinando Rodriguez y Baena

Purpose: In this paper, we present a novel approach for online object tracking in laparoscopic cholecystectomy (LC) surgical videos, targeting localisation and tracking of critical anatomical structures and instruments. Our method addresses…

Computer Vision and Pattern Recognition · Computer Science 2026-03-10 Subhadeep Koley , Abdolrahim Kadkhodamohammadi , Santiago Barbarisi , Danail Stoyanov , Imanol Luengo

During endovascular interventions, physicians have to perform accurate and immediate operations based on the available real-time information, such as the shape and position of guidewires observed on the fluoroscopic images, haptic…

Image and Video Processing · Electrical Eng. & Systems 2024-04-16 Baochang Zhang , Mai Bui , Cheng Wang , Felix Bourier , Heribert Schunkert , Nassir Navab

Implementation of real-time, continuous, and three-dimensional imaging (4D intervention guidance) would be a quantum leap for minimally-invasive medicine. It allows guidance during interventions by assessing the spatial position of…

Medical Physics · Physics 2016-10-17 Sönke Bartling , Marc Kachelrieß

Dynamic coronary roadmapping is a technology that overlays the vessel maps (the "roadmap") extracted from an offline image sequence of X-ray angiography onto a live stream of X-ray fluoroscopy in real-time. It aims to offer navigational…

Image and Video Processing · Electrical Eng. & Systems 2024-08-29 Yikang Liu , Lin Zhao , Eric Z. Chen , Xiao Chen , Terrence Chen , Shanhui Sun

Segmentation of the main coronary artery from X-ray coronary angiography (XCA) sequences is crucial for the diagnosis of coronary artery diseases. However, this task is challenging due to issues such as blurred boundaries, inconsistent…

Computer Vision and Pattern Recognition · Computer Science 2026-03-03 Yu Luo , Guangyu Wei , Yangfan Li , Jieyu He , Yueming Lyu

The accurate tracking of live cells using video microscopy recordings remains a challenging task for popular state-of-the-art image processing based object tracking methods. In recent years, several existing and new applications have…

Image and Video Processing · Electrical Eng. & Systems 2025-02-03 Gergely Szabó , Paolo Bonaiuti , Andrea Ciliberto , András Horváth

This study introduces a novel data-centric approach to improve real-time surgical guidance using fiber-based fluorescence lifetime imaging (FLIm). A key aspect of the methodology is the accurate detection of the aiming beam, which is…

Artificial Intelligence · Computer Science 2024-11-13 Mohamed Abul Hassan , Pu Sun , Xiangnan Zhou , Lisanne Kraft , Kelsey T Hadfield , Katjana Ehrlich , Jinyi Qi , Andrew Birkeland , Laura Marcu

Directly learning multiple 3D objects motion from sequential images is difficult, while the geometric bundle adjustment lacks the ability to localize the invisible object centroid. To benefit from both the powerful object understanding…

Computer Vision and Pattern Recognition · Computer Science 2020-04-21 Peiliang Li , Jieqi Shi , Shaojie Shen

Object tracking is a fundamental tool in modern innovation, with applications in defense systems, autonomous vehicles, and biomedical research. It enables precise identification, monitoring, and spatiotemporal analysis of objects across…

Computer Vision and Pattern Recognition · Computer Science 2024-12-03 Mojtaba S. Fazli , Shannon Quinn

Object-centric slot attention is a powerful framework for unsupervised learning of structured and explainable representations that can support reasoning about objects and actions, including in surgical videos. While conventional…

Image and Video Processing · Electrical Eng. & Systems 2026-03-04 Guiqiu Liao , Matjaz Jogan , Marcel Hussing , Kenta Nakahashi , Kazuhiro Yasufuku , Amin Madani , Eric Eaton , Daniel A. Hashimoto

We propose a novel meta-learning framework for real-time object tracking with efficient model adaptation and channel pruning. Given an object tracker, our framework learns to fine-tune its model parameters in only a few iterations of…

Computer Vision and Pattern Recognition · Computer Science 2019-12-05 Ilchae Jung , Kihyun You , Hyeonwoo Noh , Minsu Cho , Bohyung Han

Developing efficient vessel-tracking algorithms is crucial for imaging-based diagnosis and treatment of vascular diseases. Vessel tracking aims to solve recognition problems such as key (seed) point detection, centerline extraction, and…

Image and Video Processing · Electrical Eng. & Systems 2020-12-17 Dengqiang Jia , Xiahai Zhuang

X-ray computed tomography (CT) is a widely used imaging technique that provides detailed examinations into the internal structure of an object with synchrotron CT (SR-CT) enabling improved data quality by using higher energy, monochromatic…

Computer Vision and Pattern Recognition · Computer Science 2026-03-03 Austin Yunker , Peter Kenesei , Hemant Sharma , Jun-Sang Park , Antonino Miceli , Rajkumar Kettimuthu

Accurate real-time catheter segmentation is an important pre-requisite for robot-assisted endovascular intervention. Most of the existing learning-based methods for catheter segmentation and tracking are only trained on small-scale datasets…

Image and Video Processing · Electrical Eng. & Systems 2020-06-17 Anh Nguyen , Dennis Kundrat , Giulio Dagnino , Wenqiang Chi , Mohamed E. M. K. Abdelaziz , Yao Guo , YingLiang Ma , Trevor M. Y. Kwok , Celia Riga , Guang-Zhong Yang

Real-time video analysis remains a challenging problem in computer vision, requiring efficient processing of both spatial and temporal information while maintaining computational efficiency. Existing approaches often struggle to balance…

Computer Vision and Pattern Recognition · Computer Science 2025-07-31 Shahla John

Visual object tracking acts as a pivotal component in various emerging video applications. Despite the numerous developments in visual tracking, existing deep trackers are still likely to fail when tracking against objects with dramatic…

Computer Vision and Pattern Recognition · Computer Science 2022-04-05 Qiuhong Shen , Xin Li , Fanyang Meng , Yongsheng Liang

Chest X-ray is one of the most widespread examinations of the human body. In interventional radiology, its use is frequently associated with the need to visualize various tube-like objects, such as puncture needles, guiding sheaths, wires,…

Image and Video Processing · Electrical Eng. & Systems 2022-11-15 Ilyas Sirazitdinov , Heinrich Schulz , Axel Saalbach , Steffen Renisch , Dmitry V. Dylov