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Transformer-based models, capable of learning better global dependencies, have recently demonstrated exceptional representation learning capabilities in computer vision and medical image analysis. Transformer reformats the image into…

Radiographs are a versatile diagnostic tool for the detection and assessment of pathologies, for treatment planning or for navigation and localization purposes in clinical interventions. However, their interpretation and assessment by…

Computer Vision and Pattern Recognition · Computer Science 2022-08-18 Finn Behrendt , Debayan Bhattacharya , Julia Krüger , Roland Opfer , Alexander Schlaefer

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

Actor-action semantic segmentation made an important step toward advanced video understanding problems: what action is happening; who is performing the action; and where is the action in space-time. Current models for this problem are…

Computer Vision and Pattern Recognition · Computer Science 2015-12-31 Chenliang Xu , Jason J. Corso

State-of-the-art temporal action detectors inefficiently search the entire video for specific actions. Despite the encouraging progress these methods achieve, it is crucial to design automated approaches that only explore parts of the video…

Computer Vision and Pattern Recognition · Computer Science 2018-07-30 Humam Alwassel , Fabian Caba Heilbron , Bernard Ghanem

We consider the task of semi-supervised video object segmentation (VOS). Our approach mitigates shortcomings in previous VOS work by addressing detail preservation and temporal consistency using visual warping. In contrast to prior work…

Computer Vision and Pattern Recognition · Computer Science 2021-11-23 Julia Gong , F. Christopher Holsinger , Serena Yeung

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…

Computer Vision and Pattern Recognition · Computer Science 2023-04-12 Sanat Ramesh , Diego Dall'Alba , Cristians Gonzalez , Tong Yu , Pietro Mascagni , Didier Mutter , Jacques Marescaux , Paolo Fiorini , Nicolas Padoy

Human Activity Recognition (HAR) such as fall detection has become increasingly critical due to the aging population, necessitating effective monitoring systems to prevent serious injuries and fatalities associated with falls. This study…

Computer Vision and Pattern Recognition · Computer Science 2025-03-05 Yijun Wang , Yong Wang , Chendong xu , Shuai Yao , Qisong Wu

In medical imaging, most of the image registration methods implicitly assume a one-to-one correspondence between the source and target images (i.e., diffeomorphism). However, this is not necessarily the case when dealing with pathological…

Image and Video Processing · Electrical Eng. & Systems 2022-02-03 Matthis Maillard , Anton François , Joan Glaunès , Isabelle Bloch , Pietro Gori

Vision Transformers (ViTs) have ushered in a new era in computer vision, showcasing unparalleled performance in many challenging tasks. However, their practical deployment in computational pathology has largely been constrained by the sheer…

Computer Vision and Pattern Recognition · Computer Science 2023-12-21 Clément Grisi , Geert Litjens , Jeroen van der Laak

Temporal action localization (TAL) involves dual tasks to classify and localize actions within untrimmed videos. However, the two tasks often have conflicting requirements for features. Existing methods typically employ separate heads for…

Computer Vision and Pattern Recognition · Computer Science 2024-12-16 Qiang Li , Di Liu , Jun Kong , Sen Li , Hui Xu , Jianzhong Wang

We propose a new benchmark for evaluating stereoscopic visual-inertial computer vision algorithms (SLAM/ SfM/ 3D Reconstruction/ Visual-Inertial Odometry) for minimally invasive surgical (MIS) interventions in the abdomen. Our MITI Dataset…

Image and Video Processing · Electrical Eng. & Systems 2026-02-12 Regine Hartwig , Daniel Ostler , Jean-Claude Rosenthal , Hubertus Feußner , Dirk Wilhelm , Dirk Wollherr

Object-centric slot attention is an emerging paradigm for unsupervised learning of structured, interpretable object-centric representations (slots). This enables effective reasoning about objects and events at a low computational cost and…

Computer Vision and Pattern Recognition · Computer Science 2025-07-09 Guiqiu Liao , Matjaz Jogan , Marcel Hussing , Edward Zhang , Eric Eaton , Daniel A. Hashimoto

Video action localization aims to find the timings of specific actions from a long video. Although existing learning-based approaches have been successful, they require annotating videos, which comes with a considerable labor cost. This…

Computer Vision and Pattern Recognition · Computer Science 2025-04-08 Naoki Wake , Atsushi Kanehira , Kazuhiro Sasabuchi , Jun Takamatsu , Katsushi Ikeuchi

Annotating long-horizon robotic demonstrations with precise temporal action boundaries is crucial for training and evaluating action segmentation and manipulation policy learning methods. Existing annotation tools, however, are often…

Robotics · Computer Science 2026-04-30 Sergej Stanovcic , Daniel Sliwowski , Dongheui Lee

In recent years, the landscape of computer-assisted interventions and post-operative surgical video analysis has been dramatically reshaped by deep-learning techniques, resulting in significant advancements in surgeons' skills, operation…

While traditional computer vision models have historically struggled to generalize to endoscopic domains, the emergence of foundation models has shown promising cross-domain performance. In this work, we present the first large-scale study…

Computer Vision and Pattern Recognition · Computer Science 2025-07-09 Leon Mayer , Tim Rädsch , Dominik Michael , Lucas Luttner , Amine Yamlahi , Evangelia Christodoulou , Patrick Godau , Marcel Knopp , Annika Reinke , Fiona Kolbinger , Lena Maier-Hein

In recent years, the scientific community has focused on the development of CAD tools that could improve bone fractures' classification, mostly based on Convolutional Neural Network (CNN). However, the discerning accuracy of fractures'…

Artificial Intelligence · Computer Science 2021-10-27 Leonardo Tanzi , Andrea Audisio , Giansalvo Cirrincione , Alessandro Aprato , Enrico Vezzetti

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

Objective: To develop and evaluate machine learning (ML) models for predicting length of stay (LOS) in elective spine surgery, with a focus on the benefits of temporal modeling and model interpretability. Materials and Methods: We compared…

Machine Learning · Computer Science 2025-07-17 Ha Na Cho , Sairam Sutari , Alexander Lopez , Hansen Bow , Kai Zheng