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Real-time surgical phase recognition is a fundamental task in modern operating rooms. Previous works tackle this task relying on architectures arranged in spatio-temporal order, however, the supportive benefits of intermediate spatial…

Computer Vision and Pattern Recognition · Computer Science 2021-07-13 Xiaojie Gao , Yueming Jin , Yonghao Long , Qi Dou , Pheng-Ann Heng

Automated surgical workflow analysis and understanding can assist surgeons to standardize procedures and enhance post-surgical assessment and indexing, as well as, interventional monitoring. Computer-assisted interventional (CAI) systems…

Computer Vision and Pattern Recognition · Computer Science 2018-07-30 Odysseas Zisimopoulos , Evangello Flouty , Imanol Luengo , Petros Giataganas , Jean Nehme , Andre Chow , Danail Stoyanov

Phase transitions mark qualitative reorganizations of collective behavior, yet identifying their boundaries remains challenging whenever analytic solutions are absent and conventional simulations fail. Here we introduce learnability as a…

Materials Science · Physics 2025-10-10 Şener Özönder

Recent advances in automatic music transcription (AMT) have achieved highly accurate polyphonic piano transcription results by incorporating onset and offset detection. The existing literature, however, focuses mainly on the leverage of…

Sound · Computer Science 2021-04-15 Kin Wai Cheuk , Yin-Jyun Luo , Emmanouil Benetos , Dorien Herremans

Structural re-parameterization has drawn increasing attention in various computer vision tasks. It aims at improving the performance of deep models without introducing any inference-time cost. Though efficient during inference, such models…

Computer Vision and Pattern Recognition · Computer Science 2022-04-05 Mu Hu , Junyi Feng , Jiashen Hua , Baisheng Lai , Jianqiang Huang , Xiaojin Gong , Xiansheng Hua

Causal effect estimation from observational data requires careful adjustment for confounding. Classical estimators such as inverse probability weighting and augmented inverse probability weighting are effective under favorable model…

Machine Learning · Statistics 2026-04-28 Lei Wang , Debashis Ghosh

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…

Supervised operator learning is an emerging machine learning paradigm with applications to modeling the evolution of spatio-temporal dynamical systems and approximating general black-box relationships between functional data. We propose a…

Learning robotic manipulation policies through supervised learning from demonstrations remains challenging when policies encounter execution variations not explicitly covered during training. While incorporating historical context through…

Robotics · Computer Science 2026-03-10 Giovanni Minelli , Giulio Turrisi , Victor Barasuol , Claudio Semini

The transformer architecture predominates across various models. As the heart of the transformer, attention has a computational complexity of $O(N^2)$, compared to $O(N)$ for linear transformations. When handling large sequence lengths,…

Machine Learning · Computer Science 2025-10-02 Jintao Zhang , Jia Wei , Haofeng Huang , Pengle Zhang , Jun Zhu , Jianfei Chen

Surgical phase recognition is crucial for enhancing the efficiency and safety of computer-assisted interventions. One of the fundamental challenges involves modeling the long-distance temporal relationships present in surgical videos.…

Computer Vision and Pattern Recognition · Computer Science 2024-07-12 Rui Cao , Jiangliu Wang , Yun-Hui Liu

As a critical task in video sequence classification within computer vision, Online Action Detection (OAD) has garnered significant attention. The sensitivity of mainstream OAD models to varying video viewpoints often hampers their…

Computer Vision and Pattern Recognition · Computer Science 2025-10-15 Liping Xie , Yang Tan , Shicheng Jing , Huimin Lu , Kanjian Zhang

The Transformer is a sequence model that forgoes traditional recurrent architectures in favor of a fully attention-based approach. Besides improving performance, an advantage of using attention is that it can also help to interpret a model…

Human-Computer Interaction · Computer Science 2019-06-14 Jesse Vig

Surgical phase recognition is a basic component for different context-aware applications in computer- and robot-assisted surgery. In recent years, several methods for automatic surgical phase recognition have been proposed, showing…

Computer Vision and Pattern Recognition · Computer Science 2023-05-24 Isabel Funke , Dominik Rivoir , Stefanie Speidel

Transformers are the mainstream of NLP applications and are becoming increasingly popular in other domains such as Computer Vision. Despite the improvements in model quality, the enormous computation costs make Transformers difficult at…

Machine Learning · Computer Science 2021-10-22 Liu Liu , Zheng Qu , Zhaodong Chen , Yufei Ding , Yuan Xie

We introduce a Transformer based 6D Object Pose Estimation framework VideoPose, comprising an end-to-end attention based modelling architecture, that attends to previous frames in order to estimate accurate 6D Object Poses in videos. Our…

Computer Vision and Pattern Recognition · Computer Science 2023-09-06 Apoorva Beedu , Huda Alamri , Irfan Essa

In minimally invasive surgery, surgical workflow segmentation from video analysis is a well studied topic. The conventional approach defines it as a multi-class classification problem, where individual video frames are attributed a surgical…

Computer Vision and Pattern Recognition · Computer Science 2022-08-02 Yitong Zhang , Sophia Bano , Ann-Sophie Page , Jan Deprest , Danail Stoyanov , Francisco Vasconcelos

Medical image segmentation has seen significant improvements with transformer models, which excel in grasping far-reaching contexts and global contextual information. However, the increasing computational demands of these models,…

Computer Vision and Pattern Recognition · Computer Science 2023-09-04 Reza Azad , Leon Niggemeier , Michael Huttemann , Amirhossein Kazerouni , Ehsan Khodapanah Aghdam , Yury Velichko , Ulas Bagci , Dorit Merhof

Automatic surgical phase recognition plays a vital role in robot-assisted surgeries. Existing methods ignored a pivotal problem that surgical phases should be classified by learning segment-level semantics instead of solely relying on…

Computer Vision and Pattern Recognition · Computer Science 2022-06-22 Xinpeng Ding , Xiaomeng Li

Automatic recognition of surgical activities in the operating room (OR) is a key technology for creating next generation intelligent surgical devices and workflow monitoring/support systems. Such systems can potentially enhance efficiency…

Computer Vision and Pattern Recognition · Computer Science 2020-06-30 Aidean Sharghi , Helene Haugerud , Daniel Oh , Omid Mohareri