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Related papers: Retrieval of surgical phase transitions using rein…

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Recent transformer-based offline video instance segmentation (VIS) approaches achieve encouraging results and significantly outperform online approaches. However, their reliance on the whole video and the immense computational complexity…

Computer Vision and Pattern Recognition · Computer Science 2022-11-28 Rajat Koner , Tanveer Hannan , Suprosanna Shit , Sahand Sharifzadeh , Matthias Schubert , Thomas Seidl , Volker Tresp

Standard reinforcement learning algorithms with a single policy perform poorly on tasks in complex environments involving sparse rewards, diverse behaviors, or long-term planning. This led to the study of algorithms that incorporate…

Machine Learning · Computer Science 2024-07-23 Ranga Shaarad Ayyagari , Anurita Ghosh , Ambedkar Dukkipati

In this tutorial article, we aim to provide the reader with the conceptual tools needed to get started on research on offline reinforcement learning algorithms: reinforcement learning algorithms that utilize previously collected data,…

Machine Learning · Computer Science 2020-11-03 Sergey Levine , Aviral Kumar , George Tucker , Justin Fu

Care coordination and population health management programs serve large Medicaid and safety-net populations and must be auditable, efficient, and adaptable. While clinical risk for outreach modalities is typically low, time and opportunity…

Computers and Society · Computer Science 2025-09-23 Sanjay Basu , Sadiq Y. Patel , Parth Sheth , Bhairavi Muralidharan , Namrata Elamaran , Aakriti Kinra , Rajaie Batniji

We propose a systematic methodology to identify the topological phase transition through a self-supervised machine learning model, which is trained to correlate system parameters to the non-local observables in time-of-flight experiments of…

Quantum Gases · Physics 2021-09-01 Chi-Ting Ho , Daw-Wei Wang

Reconstructing high-quality magnetic resonance images (MRI) from undersampled raw data is of great interest from both technical and clinical point of views. To this date, however, it is still a mathematically and computationally challenging…

Numerical Analysis · Mathematics 2021-09-01 T. Schmoderer , A. I Aviles-Rivero , V. Corona , N. Debroux , C-B. Schönlieb

Computer-assisted interventions can improve intra-operative guidance, particularly through deep learning methods that harness the spatiotemporal information in surgical videos. However, the severe data imbalance often found in surgical…

Computer Vision and Pattern Recognition · Computer Science 2025-05-16 Danush Kumar Venkatesh , Isabel Funke , Micha Pfeiffer , Fiona Kolbinger , Hanna Maria Schmeiser , Juergen Weitz , Marius Distler , Stefanie Speidel

The deep neural network is a research hotspot for histopathological image analysis, which can improve the efficiency and accuracy of diagnosis for pathologists or be used for disease screening. The whole slide pathological image can reach…

Image and Video Processing · Electrical Eng. & Systems 2022-05-09 Tingting Zheng , Weixing chen , Shuqin Li , Hao Quan , Qun Bai , Tianhang Nan , Song Zheng , Xinghua Gao , Yue Zhao , Xiaoyu Cui

Navigating urban environments represents a complex task for automated vehicles. They must reach their goal safely and efficiently while considering a multitude of traffic participants. We propose a modular decision making algorithm to…

Robotics · Computer Science 2019-04-26 Maxime Bouton , Alireza Nakhaei , Kikuo Fujimura , Mykel J. Kochenderfer

With the widespread adoption of deep learning, reinforcement learning (RL) has experienced a dramatic increase in popularity, scaling to previously intractable problems, such as playing complex games from pixel observations, sustaining…

Machine Learning · Computer Science 2023-04-20 Rafael Figueiredo Prudencio , Marcos R. O. A. Maximo , Esther Luna Colombini

Classifying videos into distinct categories, such as Sport and Music Video, is crucial for multimedia understanding and retrieval, especially when an immense volume of video content is being constantly generated. Traditional methods require…

Computer Vision and Pattern Recognition · Computer Science 2024-03-14 Yuxing Han , Yunan Ding , Chen Ye Gan , Jiangtao Wen

Offline reinforcement learning (RL) aims to learn a policy that maximizes the expected return using a given static dataset of transitions. However, offline RL faces the distribution shift problem. The policy constraint offline RL method is…

Machine Learning · Computer Science 2025-12-24 Yuanhao Chen , Qi Liu , Pengbin Chen , Zhongjian Qiao , Yanjie Li

In recent years, machine learning has been adopted to complex networks, but most existing works concern about the structural properties. To use machine learning to detect phase transitions and accurately identify the critical transition…

Physics and Society · Physics 2020-01-08 Qi Ni , Ming Tang , Ying Liu , Ying-Cheng Lai

Data preparation, i.e. the process of transforming raw data into a format that can be used for training effective machine learning models, is a tedious and time-consuming task. For image data, preprocessing typically involves a sequence of…

Computer Vision and Pattern Recognition · Computer Science 2021-04-30 Tran Ngoc Minh , Mathieu Sinn , Hoang Thanh Lam , Martin Wistuba

Recorded videos from surgeries have become an increasingly important information source for the field of medical endoscopy, since the recorded footage shows every single detail of the surgery. However, while video recording is…

Computer Vision and Pattern Recognition · Computer Science 2025-09-01 Sabrina Kletz , Klaus Schoeffmann , Jenny Benois-Pineau , Heinrich Husslein

Computer-assisted surgery (CAS) aims to provide the surgeon with the right type of assistance at the right moment. Such assistance systems are especially relevant in laparoscopic surgery, where CAS can alleviate some of the drawbacks that…

Computer Vision and Pattern Recognition · Computer Science 2017-02-14 Sebastian Bodenstedt , Martin Wagner , Darko Katić , Patrick Mietkowski , Benjamin Mayer , Hannes Kenngott , Beat Müller-Stich , Rüdiger Dillmann , Stefanie Speidel

Future advancements in robot autonomy and sophistication of robotics tasks rest on robust, efficient, and task-dependent semantic understanding of the environment. Semantic segmentation is the problem of simultaneous segmentation and…

Computer Vision and Pattern Recognition · Computer Science 2016-06-06 Md. Alimoor Reza , Jana Kosecka

In this paper we present a new machine learning workflow with unsupervised learning techniques to identify domains within atomic force microscopy images obtained from polymer films. The goal of the workflow is to identify the spatial…

Image and Video Processing · Electrical Eng. & Systems 2024-09-23 Aanish Paruchuri , Yunfei Wang , Xiaodan Gu , Arthi Jayaraman

Surgical phase recognition is a critical component for context-aware decision support in intelligent operating rooms, yet training robust models is hindered by limited annotated clinical videos and large domain gaps between synthetic and…

Computer Vision and Pattern Recognition · Computer Science 2026-02-09 Yuxin He , An Li , Cheng Xue

We consider the challenging problem of zero-shot video object segmentation (VOS). That is, segmenting and tracking multiple moving objects within a video fully automatically, without any manual initialization. We treat this as a grouping…

Computer Vision and Pattern Recognition · Computer Science 2020-08-17 Shreyank N Gowda , Panagiotis Eustratiadis , Timothy Hospedales , Laura Sevilla-Lara
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