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Related papers: Weakly-Supervised Surgical Phase Recognition

200 papers

Surgical phase recognition (SPR) is an integral component of surgical data science, enabling high-level surgical analysis. End-to-end trained neural networks that predict surgical phase directly from videos have shown excellent performance…

Computer Vision and Pattern Recognition · Computer Science 2025-03-04 Hao Ding , Yuqian Zhang , Wenzheng Cheng , Xinyu Wang , Xu Lian , Chenhao Yu , Hongchao Shu , Ji Woong Kim , Axel Krieger , Mathias Unberath

Recognising actions in videos relies on labelled supervision during training, typically the start and end times of each action instance. This supervision is not only subjective, but also expensive to acquire. Weak video-level supervision…

Computer Vision and Pattern Recognition · Computer Science 2019-04-10 Davide Moltisanti , Sanja Fidler , Dima Damen

Purpose: Accurate assessment of surgical complexity is essential in Laparoscopic Cholecystectomy (LC), where severe inflammation is associated with longer operative times and increased risk of postoperative complications. The Parkland…

Computer Vision and Pattern Recognition · Computer Science 2025-11-07 Dimitrios Anastasiou , Santiago Barbarisi , Lucy Culshaw , Jayna Patel , Evangelos B. Mazomenos , Imanol Luengo , Danail Stoyanov

Breast lesion detection in ultrasound video is critical for computer-aided diagnosis. However, detecting lesion in video is quite challenging due to the blurred lesion boundary, high similarity to soft tissue and lack of video annotations.…

Computer Vision and Pattern Recognition · Computer Science 2019-07-17 Sihong Chen , Weiping Yu , Kai Ma , Xinlong Sun , Xiaona Lin , Desheng Sun , Yefeng Zheng

The task of parsing subcutaneous vessels in clinical images is often hindered by the high cost and limited availability of ground truth data, as well as the challenge of low contrast and noisy vessel appearances across different patients…

Computer Vision and Pattern Recognition · Computer Science 2026-05-11 Ayaan Nooruddin Siddiqui , Mahnoor Zaidi , Ayesha Nazneen Shahbaz , Priyadarshini Chatterjee , Krishnan Menon Iyer

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…

Image and Video Processing · Electrical Eng. & Systems 2023-06-21 Tong Yu , Pietro Mascagni , Juan Verde , Jacques Marescaux , Didier Mutter , Nicolas Padoy

Surgical tool presence detection and surgical phase recognition are two fundamental yet challenging tasks in surgical video analysis and also very essential components in various applications in modern operating rooms. While these two…

Computer Vision and Pattern Recognition · Computer Science 2019-07-16 Yueming Jin , Huaxia Li , Qi Dou , Hao Chen , Jing Qin , Chi-Wing Fu , Pheng-Ann Heng

There are many approaches to weakly-supervised training of networks to segment 2D images. By contrast, existing approaches to segmenting volumetric images rely on full-supervision of a subset of 2D slices of the 3D volume. We propose an…

Computer Vision and Pattern Recognition · Computer Science 2022-06-06 Udaranga Wickramasinghe , Patrick M. Jensen , Mian Shah , Jiancheng Yang , Pascal Fua

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…

Computer Vision and Pattern Recognition · Computer Science 2023-11-02 Puxun Tu , Hongfei Ye , Haochen Shi , Jeff Young , Meng Xie , Peiquan Zhao , Ce Zheng , Xiaoyi Jiang , Xiaojun Chen

Motion, measured via optical flow, provides a powerful cue to discover and learn objects in images and videos. However, compared to using appearance, it has some blind spots, such as the fact that objects become invisible if they do not…

Computer Vision and Pattern Recognition · Computer Science 2022-10-17 Subhabrata Choudhury , Laurynas Karazija , Iro Laina , Andrea Vedaldi , Christian Rupprecht

Purpose: Laparoscopic cholecystectomy (LC) operative difficulty (LCOD) is highly variable and influences outcomes. Despite extensive LC studies in surgical workflow analysis, limited efforts explore LCOD using intraoperative video data.…

Computer Vision and Pattern Recognition · Computer Science 2025-04-23 Saurav Sharma , Maria Vannucci , Leonardo Pestana Legori , Mario Scaglia , Giovanni Guglielmo Laracca , Didier Mutter , Sergio Alfieri , Pietro Mascagni , Nicolas Padoy

Weakly supervised segmentation is an important problem in medical image analysis due to the high cost of pixelwise annotation. Prior methods, while often focusing on weak labels of 2D images, exploit few structural cues of volumetric…

Computer Vision and Pattern Recognition · Computer Science 2021-05-07 Qian He , Shuailin Li , Xuming He

Graph classification plays a pivotal role in various domains, including pathology, where images can be represented as graphs. In this domain, images can be represented as graphs, where nodes might represent individual nuclei, and edges…

Machine Learning · Computer Science 2025-01-29 Aditya Prakash

Medical image segmentation is a fundamental and critical step in many image-guided clinical approaches. Recent success of deep learning-based segmentation methods usually relies on a large amount of labeled data, which is particularly…

Computer Vision and Pattern Recognition · Computer Science 2023-11-15 Rushi Jiao , Yichi Zhang , Le Ding , Rong Cai , Jicong Zhang

Automatic surgical phase recognition is one of the key technologies to support Video-Based Assessment (VBA) systems for surgical education. Utilizing temporal information is crucial for surgical phase recognition, hence various recent…

Computer Vision and Pattern Recognition · Computer Science 2024-04-02 Bokai Zhang , Mohammad Hasan Sarhan , Bharti Goel , Svetlana Petculescu , Amer Ghanem

Surgical workflow anticipation can give predictions on what steps to conduct or what instruments to use next, which is an essential part of the computer-assisted intervention system for surgery, e.g. workflow reasoning in robotic surgery.…

Computer Vision and Pattern Recognition · Computer Science 2022-08-09 Xiatian Zhang , Noura Al Moubayed , Hubert P. H. Shum

Weakly-supervised action segmentation is a task of learning to partition a long video into several action segments, where training videos are only accompanied by transcripts (ordered list of actions). Most of existing methods need to infer…

Computer Vision and Pattern Recognition · Computer Science 2024-03-29 Angchi Xu , Wei-Shi Zheng

Surgical tool segmentation in endoscopic images is the first step towards pose estimation and (sub-)task automation in challenging minimally invasive surgical operations. While many approaches in the literature have shown great results…

Robotics · Computer Science 2019-02-14 Cristian da Costa Rocha , Nicolas Padoy , Benoit Rosa

This paper investigates the automatic monitoring of tool usage during a surgery, with potential applications in report generation, surgical training and real-time decision support. Two surgeries are considered: cataract surgery, the most…

Computer Vision and Pattern Recognition · Computer Science 2018-05-08 Hassan Al Hajj , Mathieu Lamard , Pierre-Henri Conze , Béatrice Cochener , Gwenolé Quellec

Serial femtosecond crystallography at X-ray free electron laser facilities opens a new era for the determination of crystal structure. However, the data processing of those experiments is facing unprecedented challenge, because the total…

Materials Science · Physics 2023-09-22 Jianan Xie , Ji Liu , Chi Zhang , Xihui Chen , Ping Huai , Jie Zheng , Xiaofeng Zhang