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Advances in surgical video analysis are transforming operating rooms into intelligent, data-driven environments. Computer-assisted systems support full surgical workflow, from preoperative planning to intraoperative guidance and…

Image and Video Processing · Electrical Eng. & Systems 2025-09-22 Sahar Nasirihaghighi

Following the technological advancements in medicine, the operation rooms are evolving into intelligent environments. The context-aware systems (CAS) can comprehensively interpret the surgical state, enable real-time warning, and support…

Computer Vision and Pattern Recognition · Computer Science 2023-12-12 Negin Ghamsarian

Despite the success of deep learning for static image understanding, it remains unclear what are the most effective network architectures for the spatial-temporal modeling in videos. In this paper, in contrast to the existing CNN+RNN or…

Computer Vision and Pattern Recognition · Computer Science 2018-12-12 Dongliang He , Zhichao Zhou , Chuang Gan , Fu Li , Xiao Liu , Yandong Li , Limin Wang , Shilei Wen

In this work, we investigate laparoscopic camera motion automation through imitation learning from retrospective videos of laparoscopic interventions. A novel method is introduced that learns to augment a surgeon's behavior in image space…

Image and Video Processing · Electrical Eng. & Systems 2023-10-06 Martin Huber , Sebastien Ourselin , Christos Bergeles , Tom Vercauteren

Fully supervised action segmentation works on frame-wise action recognition with dense annotations and often suffers from the over-segmentation issue. Existing works have proposed a variety of solutions such as boundary-aware networks,…

Computer Vision and Pattern Recognition · Computer Science 2023-04-06 Peiyao Wang , Haibin Ling

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…

Computer Vision and Pattern Recognition · Computer Science 2025-02-10 Nathan Louis , Luowei Zhou , Steven J. Yule , Roger D. Dias , Milisa Manojlovich , Francis D. Pagani , Donald S. Likosky , Jason J. Corso

Detection, tracking, and pose estimation of surgical instruments are crucial tasks for computer assistance during minimally invasive robotic surgery. In the majority of cases, the first step is the automatic segmentation of surgical tools.…

Computer Vision and Pattern Recognition · Computer Science 2017-03-28 Daniil Pakhomov , Vittal Premachandran , Max Allan , Mahdi Azizian , Nassir Navab

Temporal relational modeling in video is essential for human action understanding, such as action recognition and action segmentation. Although Graph Convolution Networks (GCNs) have shown promising advantages in relation reasoning on many…

Computer Vision and Pattern Recognition · Computer Science 2020-12-15 Dong Wang , Di Hu , Xingjian Li , Dejing Dou

Dynamic Magnetic Resonance Imaging (MRI) is a crucial non-invasive method used to capture the movement of internal organs and tissues, making it a key tool for medical diagnosis. However, dynamic MRI faces a major challenge: long…

Image and Video Processing · Electrical Eng. & Systems 2024-09-20 Tamir Shor , Chaim Baskin , Alex Bronstein

Automation in surgical robotics has the potential to improve patient safety and surgical efficiency, but it is difficult to achieve due to the need for robust perception algorithms. In particular, 6D pose estimation of surgical instruments…

Robotics · Computer Science 2025-01-24 Juan Antonio Barragan , Jintan Zhang , Haoying Zhou , Adnan Munawar , Peter Kazanzides

Accurate and real-time hand gesture recognition is essential for controlling advanced hand prostheses. Surface Electromyography (sEMG) signals obtained from the forearm are widely used for this purpose. Here, we introduce a novel hand…

Signal Processing · Electrical Eng. & Systems 2020-04-21 Ashwin De Silva , Malsha V. Perera , Kithmin Wickramasinghe , Asma M. Naim , Thilina Dulantha Lalitharatne , Simon L. Kappel

Estimating the remaining surgery duration (RSD) during surgical procedures can be useful for OR planning and anesthesia dose estimation. With the recent success of deep learning-based methods in computer vision, several neural network…

Computer Vision and Pattern Recognition · Computer Science 2020-02-27 Dominik Rivoir , Sebastian Bodenstedt , Felix von Bechtolsheim , Marius Distler , Jürgen Weitz , Stefanie Speidel

Two-stream convolutional networks have shown strong performance in video action recognition tasks. The key idea is to learn spatiotemporal features by fusing convolutional networks spatially and temporally. However, it remains unclear how…

Computer Vision and Pattern Recognition · Computer Science 2019-03-05 Yunbo Wang , Mingsheng Long , Jianmin Wang , Philip S. Yu

Purpose: Surgical scene understanding plays a critical role in the technology stack of tomorrow's intervention-assisting systems in endoscopic surgeries. For this, tracking the endoscope pose is a key component, but remains challenging due…

Computer Vision and Pattern Recognition · Computer Science 2023-04-18 Michel Hayoz , Christopher Hahne , Mathias Gallardo , Daniel Candinas , Thomas Kurmann , Maximilian Allan , Raphael Sznitman

To improve the efficiency of surgical trajectory segmentation for robot learning in robot-assisted minimally invasive surgery, this paper presents a fast unsupervised method using video and kinematic data, followed by a promoting procedure…

Computer Vision and Pattern Recognition · Computer Science 2018-10-02 Zhenzhou Shao , Hongfa Zhao , Jiexin Xie , Ying Qu , Yong Guan , Jindong Tan

Temporal modeling is crucial for video super-resolution. Most of the video super-resolution methods adopt the optical flow or deformable convolution for explicitly motion compensation. However, such temporal modeling techniques increase the…

Computer Vision and Pattern Recognition · Computer Science 2022-04-15 Takashi Isobe , Xu Jia , Xin Tao , Changlin Li , Ruihuang Li , Yongjie Shi , Jing Mu , Huchuan Lu , Yu-Wing Tai

We present a method for human pose tracking that is based on learning spatiotemporal relationships among joints. Beyond generating the heatmap of a joint in a given frame, our system also learns to predict the offset of the joint from a…

Computer Vision and Pattern Recognition · Computer Science 2019-03-28 Xiao Sun , Chuankang Li , Stephen Lin

Applying image processing algorithms independently to each frame of a video often leads to undesired inconsistent results over time. Developing temporally consistent video-based extensions, however, requires domain knowledge for individual…

Computer Vision and Pattern Recognition · Computer Science 2018-08-02 Wei-Sheng Lai , Jia-Bin Huang , Oliver Wang , Eli Shechtman , Ersin Yumer , Ming-Hsuan Yang

This paper addresses fast semantic segmentation on video.Video segmentation often calls for real-time, or even fasterthan real-time, processing. One common recipe for conserving computation arising from feature extraction is to propagate…

Computer Vision and Pattern Recognition · Computer Science 2021-06-09 Shih-Po Lee , Si-Cun Chen , Wen-Hsiao Peng

This paper addresses the task of segmenting class-agnostic objects in semi-supervised setting. Although previous detection based methods achieve relatively good performance, these approaches extract the best proposal by a greedy strategy,…

Computer Vision and Pattern Recognition · Computer Science 2020-12-11 Daizong Liu , Shuangjie Xu , Xiao-Yang Liu , Zichuan Xu , Wei Wei , Pan Zhou