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Automatic recognition of fine-grained surgical activities, called steps, is a challenging but crucial task for intelligent intra-operative computer assistance. The development of current vision-based activity recognition methods relies…

计算机视觉与模式识别 · 计算机科学 2023-04-12 Sanat Ramesh , Diego Dall'Alba , Cristians Gonzalez , Tong Yu , Pietro Mascagni , Didier Mutter , Jacques Marescaux , Paolo Fiorini , Nicolas Padoy

Cataract surgery is a sight saving surgery that is performed over 10 million times each year around the world. With such a large demand, the ability to organize surgical wards and operating rooms efficiently is critical to delivery this…

图像与视频处理 · 电气工程与系统科学 2021-06-22 Andrés Marafioti , Michel Hayoz , Mathias Gallardo , Pablo Márquez Neila , Sebastian Wolf , Martin Zinkernagel , Raphael Sznitman

Searching through large volumes of medical data to retrieve relevant information is a challenging yet crucial task for clinical care. However the primitive and most common approach to retrieval, involving text in the form of keywords, is…

图像与视频处理 · 电气工程与系统科学 2023-06-21 Tong Yu , Pietro Mascagni , Juan Verde , Jacques Marescaux , Didier Mutter , Nicolas Padoy

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…

计算机视觉与模式识别 · 计算机科学 2023-10-25 Felix Holm , Ghazal Ghazaei , Tobias Czempiel , Ege Özsoy , Stefan Saur , Nassir Navab

Vision algorithms capable of interpreting scenes from a real-time video stream are necessary for computer-assisted surgery systems to achieve context-aware behavior. In laparoscopic procedures one particular algorithm needed for such…

机器学习 · 计算机科学 2020-10-01 Tong Yu , Didier Mutter , Jacques Marescaux , Nicolas Padoy

Automated surgical step recognition is an important task that can significantly improve patient safety and decision-making during surgeries. Existing state-of-the-art methods for surgical step recognition either rely on separate,…

计算机视觉与模式识别 · 计算机科学 2023-07-22 Nisarg A. Shah , Shameema Sikder , S. Swaroop Vedula , Vishal M. Patel

Videos are prominent learning materials to prepare surgical trainees before they enter the operating room (OR). In this work, we explore techniques to enrich the video-based surgery learning experience. We propose Surgment, a system that…

人机交互 · 计算机科学 2024-06-27 Jingying Wang , Haoran Tang , Taylor Kantor , Tandis Soltani , Vitaliy Popov , Xu Wang

Recognizing various surgical tools, actions and phases from surgery videos is an important problem in computer vision with exciting clinical applications. Existing deep-learning-based methods for this problem either process each surgical…

计算机视觉与模式识别 · 计算机科学 2024-04-09 Haifeng Wang , Hao Xu , Jun Wang , Jian Zhou , Ke Deng

Purpose The course of surgical procedures is often unpredictable, making it difficult to estimate the duration of procedures beforehand. A context-aware method that analyses the workflow of an intervention online and automatically predicts…

Phacoemulsification cataract surgery (PCS) is a routine procedure conducted using a surgical microscope, heavily reliant on the skill of the ophthalmologist. While existing PCS guidance systems extract valuable information from surgical…

计算机视觉与模式识别 · 计算机科学 2023-11-02 Puxun Tu , Hongfei Ye , Haochen Shi , Jeff Young , Meng Xie , Peiquan Zhao , Ce Zheng , Xiaoyi Jiang , Xiaojun Chen

Robotic-assisted surgeries benefit both surgeons and patients, however, surgeons frequently need to adjust the endoscopic camera to achieve good viewpoints. Simultaneously controlling the camera and the surgical instruments is impossible,…

机器学习 · 计算机科学 2022-02-08 Hanna Kossowsky , Ilana Nisky

Surgical simulation is an increasingly important element of surgical education. Using simulation can be a means to address some of the significant challenges in developing surgical skills with limited time and resources. The photo-realistic…

计算机视觉与模式识别 · 计算机科学 2018-11-08 Imanol Luengo , Evangello Flouty , Petros Giataganas , Piyamate Wisanuvej , Jean Nehme , Danail Stoyanov

Surgical workflow recognition has numerous potential medical applications, such as the automatic indexing of surgical video databases and the optimization of real-time operating room scheduling, among others. As a result, phase recognition…

计算机视觉与模式识别 · 计算机科学 2016-05-24 Andru P. Twinanda , Sherif Shehata , Didier Mutter , Jacques Marescaux , Michel de Mathelin , Nicolas Padoy

Video analytics systems perform automatic events, movements, and actions recognition in a video and make it possible to execute queries on the video. As a result of a large number of video data that need to be processed, optimizing the…

计算机视觉与模式识别 · 计算机科学 2021-06-01 Nada Ibrahim , Preeti Maurya , Omid Jafari , Parth Nagarkar

Current state-of-the-art approaches to video understanding adopt temporal jittering to simulate analyzing the video at varying frame rates. However, this does not work well for multirate videos, in which actions or subactions occur at…

计算机视觉与模式识别 · 计算机科学 2018-10-31 Yi Zhu , Shawn Newsam

Instructional cataract surgery videos are crucial for ophthalmologists and trainees to observe surgical details repeatedly. This paper presents a deep learning model for real-time identification of surgical instruments in these videos,…

计算机视觉与模式识别 · 计算机科学 2025-01-07 Sanya Sinha , Michal Balazia , Francois Bremond

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…

计算机视觉与模式识别 · 计算机科学 2023-12-13 Aditya Murali , Deepak Alapatt , Pietro Mascagni , Armine Vardazaryan , Alain Garcia , Nariaki Okamoto , Didier Mutter , Nicolas Padoy

Articulated hand pose tracking is an under-explored problem that carries the potential for use in an extensive number of applications, especially in the medical domain. With a robust and accurate tracking system on surgical videos, the…

计算机视觉与模式识别 · 计算机科学 2025-02-10 Nathan Louis , Luowei Zhou , Steven J. Yule , Roger D. Dias , Milisa Manojlovich , Francis D. Pagani , Donald S. Likosky , Jason J. Corso

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…

图像与视频处理 · 电气工程与系统科学 2026-03-04 Guiqiu Liao , Matjaz Jogan , Marcel Hussing , Kenta Nakahashi , Kazuhiro Yasufuku , Amin Madani , Eric Eaton , Daniel A. Hashimoto

Accurate surgical phase recognition is essential for analyzing procedural workflows, supporting intraoperative decision-making, and enabling data-driven improvements in surgical education and performance evaluation. In this work, we present…