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Surgical procedures are conducted in highly complex operating rooms (OR), comprising different actors, devices, and interactions. To date, only medically trained human experts are capable of understanding all the links and interactions in…

Computer Vision and Pattern Recognition · Computer Science 2022-03-23 Ege Özsoy , Evin Pınar Örnek , Ulrich Eck , Tobias Czempiel , Federico Tombari , Nassir Navab

A comprehensive understanding of surgical scenes allows for monitoring of the surgical process, reducing the occurrence of accidents and enhancing efficiency for medical professionals. Semantic modeling within operating rooms, as a scene…

Computer Vision and Pattern Recognition · Computer Science 2024-04-16 Diandian Guo , Manxi Lin , Jialun Pei , He Tang , Yueming Jin , Pheng-Ann Heng

Operating rooms (ORs) are complex, high-stakes environments requiring precise understanding of interactions among medical staff, tools, and equipment for enhancing surgical assistance, situational awareness, and patient safety. Current…

Computer Vision and Pattern Recognition · Computer Science 2025-03-05 Ege Özsoy , Chantal Pellegrini , Tobias Czempiel , Felix Tristram , Kun Yuan , David Bani-Harouni , Ulrich Eck , Benjamin Busam , Matthias Keicher , Nassir Navab

From a computer science viewpoint, a surgical domain model needs to be a conceptual one incorporating both behavior and data. It should therefore model actors, devices, tools, their complex interactions and data flow. To capture and model…

Computer Vision and Pattern Recognition · Computer Science 2021-06-30 Ege Özsoy , Evin Pınar Örnek , Ulrich Eck , Federico Tombari , Nassir Navab

Scene graph generation (SGG) of surgical procedures is crucial in enhancing holistically cognitive intelligence in the operating room (OR). However, previous works have primarily relied on multi-stage learning, where the generated semantic…

Computer Vision and Pattern Recognition · Computer Science 2024-08-08 Jialun Pei , Diandian Guo , Jingyang Zhang , Manxi Lin , Yueming Jin , Pheng-Ann Heng

Surgical Scene Graphs abstract the complexity of surgical operating rooms (OR) into a structure of entities and their relations, but existing paradigms suffer from strictly dyadic structural limitations. Frameworks that predominantly rely…

Computer Vision and Pattern Recognition · Computer Science 2026-03-11 Tony Danjun Wang , Ka Young Kim , Tolga Birdal , Nassir Navab , Lennart Bastian

Surgical robotics holds much promise for improving patient safety and clinician experience in the Operating Room (OR). However, it also comes with new challenges, requiring strong team coordination and effective OR management. Automatic…

Computer Vision and Pattern Recognition · Computer Science 2023-12-20 Idris Hamoud , Muhammad Abdullah Jamal , Vinkle Srivastav , Didier Mutter , Nicolas Padoy , Omid Mohareri

Graph-based holistic scene representations facilitate surgical workflow understanding and have recently demonstrated significant success. However, this task is often hindered by the limited availability of densely annotated surgical scene…

Computer Vision and Pattern Recognition · Computer Science 2024-10-08 Çağhan Köksal , Ghazal Ghazaei , Felix Holm , Azade Farshad , Nassir Navab

Precise spatial modeling in the operating room (OR) is foundational to many clinical tasks, supporting intraoperative awareness, hazard avoidance, and surgical decision-making. While existing approaches leverage large-scale multimodal…

Computer Vision and Pattern Recognition · Computer Science 2025-08-12 Peiqi He , Zhenhao Zhang , Yixiang Zhang , Xiongjun Zhao , Shaoliang Peng

Understanding the intricate workflows of cataract surgery requires modeling complex interactions between surgical tools, anatomical structures, and procedural techniques. Existing datasets primarily address isolated aspects of surgical…

Computer Vision and Pattern Recognition · Computer Science 2025-06-30 Felix Holm , Gözde Ünver , Ghazal Ghazaei , Nassir Navab

Recently, spatiotemporal graphs have emerged as a concise and elegant manner of representing video clips in an object-centric fashion, and have shown to be useful for downstream tasks such as action recognition. In this work, we investigate…

Computer Vision and Pattern Recognition · Computer Science 2023-12-13 Aditya Murali , Deepak Alapatt , Pietro Mascagni , Armine Vardazaryan , Alain Garcia , Nariaki Okamoto , Didier Mutter , Nicolas Padoy

Teleoperation via natural-language reduces operator workload and enhances safety in high-risk or remote settings. However, in dynamic remote scenes, transmission latency during bidirectional communication creates gaps between remote…

Robotics · Computer Science 2025-10-28 Yi Wang , Zeyu Xue , Mujie Liu , Tongqin Zhang , Yan Hu , Zhou Zhao , Chenguang Yang , Zhenyu Lu

Surgical scene understanding is crucial for computer-assisted intervention systems, requiring visual comprehension of surgical scenes that involves diverse elements such as surgical tools, anatomical structures, and their interactions. To…

Computer Vision and Pattern Recognition · Computer Science 2025-07-25 Jongmin Shin , Enki Cho , Ka Young Kim , Jung Yong Kim , Seong Tae Kim , Namkee Oh

Every day, countless surgeries are performed worldwide, each within the distinct settings of operating rooms (ORs) that vary not only in their setups but also in the personnel, tools, and equipment used. This inherent diversity poses a…

Computer Vision and Pattern Recognition · Computer Science 2024-04-11 Ege Özsoy , Chantal Pellegrini , Matthias Keicher , Nassir Navab

The distributed operating room (OR) scheduling problem aims to find an assignment of surgeries to ORs across collaborating hospitals that share their waiting lists and ORs. We propose a stochastic extension of this problem where surgery…

Optimization and Control · Mathematics 2020-10-06 Cheng Guo , Merve Bodur , Dionne M. Aleman , David R. Urbach

Learning to infer graph representations and performing spatial reasoning in a complex surgical environment can play a vital role in surgical scene understanding in robotic surgery. For this purpose, we develop an approach to generate the…

Computer Vision and Pattern Recognition · Computer Science 2020-09-14 Mobarakol Islam , Lalithkumar Seenivasan , Lim Chwee Ming , Hongliang Ren

Surgical videos captured from microscopic or endoscopic imaging devices are rich but complex sources of information, depicting different tools and anatomical structures utilized during an extended amount of time. Despite containing crucial…

Computer Vision and Pattern Recognition · Computer Science 2023-10-25 Felix Holm , Ghazal Ghazaei , Tobias Czempiel , Ege Özsoy , Stefan Saur , Nassir Navab

The hierarchical structure of 3D scene graphs shows a high relevance for representations purposes, as it fits common patterns from man-made environments. But, additionally, the semantic and geometric information in such hierarchical…

Robotics · Computer Science 2025-10-06 Hriday Bavle , Jose Luis Sanchez-Lopez , Muhammad Shaheer , Javier Civera , Holger Voos

Scene graphs (SGs) provide structured relational representations crucial for decoding complex, dynamic surgical environments. This PRISMA-ScR-guided scoping review systematically maps the evolving landscape of SG research in surgery,…

Computer Vision and Pattern Recognition · Computer Science 2025-09-26 Angelo Henriques , Korab Hoxha , Daniel Zapp , Peter C. Issa , Nassir Navab , M. Ali Nasseri

Gaining spatial awareness of the Operating Room (OR) for surgical robotic systems is a key technology that can enable intelligent applications aiming at improved OR workflow. In this work, we present a method for semantic dense…

Robotics · Computer Science 2022-04-13 Cong Gao , Dinesh Rabindran , Omid Mohareri
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