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Laparoscopic videos can be affected by different distortions which may impact the performance of surgery and introduce surgical errors. In this work, we propose a framework for automatically detecting and identifying such distortions and…

Recognizing human actions based on videos has became one of the most popular areas of research in computer vision in recent years. This area has many applications such as surveillance, robotics, health care, video search and human-computer…

Computer Vision and Pattern Recognition · Computer Science 2021-03-10 Aytekin Nebisoy , Saber Malekzadeh

Background Analyzing kinematic and video data can help identify potentially erroneous motions that lead to sub-optimal surgeon performance and safety-critical events in robot-assisted surgery. Methods We develop a rubric for identifying…

Robotics · Computer Science 2023-01-20 Kay Hutchinson , Zongyu Li , Leigh A. Cantrell , Noah S. Schenkman , Homa Alemzadeh

Recent advances in computer vision have made it possible to automatically assess from videos the manipulation skills of humans in performing a task, which breeds many important applications in domains such as health rehabilitation and…

Computer Vision and Pattern Recognition · Computer Science 2019-04-11 Zhenqiang Li , Yifei Huang , Minjie Cai , Yoichi Sato

Surgical scene segmentation is critical in computer-assisted surgery and is vital for enhancing surgical quality and patient outcomes. Recently, referring surgical segmentation is emerging, given its advantage of providing surgeons with an…

Computer Vision and Pattern Recognition · Computer Science 2025-05-14 Haofeng Liu , Mingqi Gao , Xuxiao Luo , Ziyue Wang , Guanyi Qin , Junde Wu , Yueming Jin

Recognizing human actions in videos requires spatial and temporal understanding. Most existing action recognition models lack a balanced spatio-temporal understanding of videos. In this work, we propose a novel two-stream architecture,…

Computer Vision and Pattern Recognition · Computer Science 2024-09-04 Dongho Lee , Jongseo Lee , Jinwoo Choi

Surgical phase recognition is a fundamental task in computer-assisted surgery systems. Most existing works are under the supervision of expensive and time-consuming full annotations, which require the surgeons to repeat watching videos to…

Computer Vision and Pattern Recognition · Computer Science 2022-12-02 Xinpeng Ding , Xinjian Yan , Zixun Wang , Wei Zhao , Jian Zhuang , Xiaowei Xu , Xiaomeng Li

We present CataractSAM-2, a domain-adapted extension of Meta's Segment Anything Model 2, designed for real-time semantic segmentation of cataract ophthalmic surgery videos with high accuracy. Positioned at the intersection of computer…

Surgical gesture recognition is important for surgical data science and computer-aided intervention. Even with robotic kinematic information, automatically segmenting surgical steps presents numerous challenges because surgical…

Computer Vision and Pattern Recognition · Computer Science 2020-03-11 Beatrice van Amsterdam , Matthew J. Clarkson , Danail Stoyanov

Tool tracking in surgical videos is essential for advancing computer-assisted interventions, such as skill assessment, safety zone estimation, and human-machine collaboration. However, the lack of context-rich datasets limits AI…

Computer Vision and Pattern Recognition · Computer Science 2025-03-25 Chinedu Innocent Nwoye , Kareem Elgohary , Anvita Srinivas , Fauzan Zaid , Joël L. Lavanchy , Nicolas Padoy

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

To assist surgeons in the operating theatre, surgical phase recognition is critical for developing computer-assisted surgical systems, which requires comprehensive understanding of surgical videos. Although existing studies made great…

Computer Vision and Pattern Recognition · Computer Science 2023-11-23 Zhen Chen , Yuhao Zhai , Jun Zhang , Jinqiao Wang

Purpose: Automatic segmentation and classification of surgical activity is crucial for providing advanced support in computer-assisted interventions and autonomous functionalities in robot-assisted surgeries. Prior works have focused on…

Computer Vision and Pattern Recognition · Computer Science 2023-02-23 Sanat Ramesh , Diego Dall'Alba , Cristians Gonzalez , Tong Yu , Pietro Mascagni , Didier Mutter , Jacques Marescaux , Paolo Fiorini , Nicolas Padoy

For decades, three-dimensional C-arm Cone-Beam Computed Tomography (CBCT) imaging system has been a critical component for complex vascular and nonvascular interventional procedures. While it can significantly improve multiplanar soft…

Computer Vision and Pattern Recognition · Computer Science 2024-03-12 Fan Yang , Benjamin Planche , Meng Zheng , Cheng Chen , Terrence Chen , Ziyan Wu

The development of effective training and evaluation strategies is critical. Conventional methods for assessing surgical proficiency typically rely on expert supervision, either through onsite observation or retrospective analysis of…

Computer Vision and Pattern Recognition · Computer Science 2026-01-01 Yan Meng , Daniel A. Donoho , Marcelle Altshuler , Omar Arnaout

This chapter aims to aid the development of Cyber-Physical Systems (CPS) in automated understanding of events and activities in various applications of video-surveillance. These events are mostly captured by drones, CCTVs or novice and…

Computer Vision and Pattern Recognition · Computer Science 2021-11-04 Swarnabja Bhaumik , Prithwish Jana , Partha Pratim Mohanta

Semantic segmentation in surgical videos has applications in intra-operative guidance, post-operative analytics and surgical education. Segmentation models need to provide accurate and consistent predictions since temporally inconsistent…

Computer Vision and Pattern Recognition · Computer Science 2023-06-21 Maria Grammatikopoulou , Ricardo Sanchez-Matilla , Felix Bragman , David Owen , Lucy Culshaw , Karen Kerr , Danail Stoyanov , Imanol Luengo

As part of their training all medical students and residents have to pass basic surgical tasks such as knot tying, needle-passing, and suturing. Their assessment is typically performed in the operating room by surgical faculty where…

Computer Vision and Pattern Recognition · Computer Science 2023-12-27 Yunzhe Xue , Olanrewaju Eletta , Justin W. Ady , Nell M. Patel , Advaith Bongu , Usman Roshan

Video summarisation can be posed as the task of extracting important parts of a video in order to create an informative summary of what occurred in the video. In this paper we introduce SummaryNet as a supervised learning framework for…

Computer Vision and Pattern Recognition · Computer Science 2020-02-24 Ziyad Jappie , David Torpey , Turgay Celik

Enabling intuitive, language-driven interaction with surgical scenes is a critical step toward intelligent operating rooms and autonomous surgical robotic assistance. However, the task of referring segmentation, localizing surgical…

Computer Vision and Pattern Recognition · Computer Science 2026-03-19 Meng Wei , Kun Yuan , Shi Li , Yue Zhou , Long Bai , Nassir Navab , Hongliang Ren , Hong Joo Lee , Tom Vercauteren , Nicolas Padoy