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Related papers: Online Recognition of Actions Involving Objects

200 papers

Online and Real-time Object Tracking is an interesting workload that can be used to track objects (e.g., car, human, animal) in a series of video sequences in real-time. For simple object tracking on edge devices, the output of object…

Distributed, Parallel, and Cluster Computing · Computer Science 2021-03-24 Jesmin Jahan Tithi , Sriram Aananthakrishnan , Fabrizio Petrini

In this paper, we propose Two-Stream AMTnet, which leverages recent advances in video-based action representation[1] and incremental action tube generation[2]. Majority of the present action detectors follow a frame-based representation, a…

Computer Vision and Pattern Recognition · Computer Science 2020-04-06 Suman Saha , Gurkirt Singh , Fabio Cuzzolin

This work addresses the problem of Social Activity Recognition (SAR), a critical component in real-world tasks like surveillance and assistive robotics. Unlike traditional event understanding approaches, SAR necessitates modeling individual…

Computer Vision and Pattern Recognition · Computer Science 2024-06-21 Shubham Trehan , Sathyanarayanan N. Aakur

Human activity recognition is typically addressed by detecting key concepts like global and local motion, features related to object classes present in the scene, as well as features related to the global context. The next open challenges…

Computer Vision and Pattern Recognition · Computer Science 2018-09-21 Fabien Baradel , Natalia Neverova , Christian Wolf , Julien Mille , Greg Mori

We present a novel hierarchical model for human activity recognition. In contrast to approaches that successively recognize actions and activities, our approach jointly models actions and activities in a unified framework, and their labels…

Robotics · Computer Science 2015-03-09 Ninghang Hu , Gwenn Englebienne , Zhongyu Lou , Ben Kröse

A Parallel Self-Organizing Map (Parallel-SOM) is proposed to modify Kohonen's SOM in parallel computing environment. In this model, two separate layers of neurons are connected together. The number of neurons in both layers and connections…

Quantum Physics · Physics 2007-05-23 Li Weigang

As compared to simple actions, activities are much more complex, but semantically consistent with a human's real life. Techniques for action recognition from sensor generated data are mature. However, there has been relatively little work…

Computer Vision and Pattern Recognition · Computer Science 2016-11-08 Ye Liu , Liqiang Nie , Lei Han , Luming Zhang , David S Rosenblum

From a streaming video, online action detection aims to identify actions in the present. For this task, previous methods use recurrent networks to model the temporal sequence of current action frames. However, these methods overlook the…

Computer Vision and Pattern Recognition · Computer Science 2020-04-01 Hyunjun Eun , Jinyoung Moon , Jongyoul Park , Chanho Jung , Changick Kim

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

The common internal structure and algorithmic organization of object detection, detection-based tracking, and event recognition facilitates a general approach to integrating these three components. This supports multidirectional information…

Computer Vision and Pattern Recognition · Computer Science 2013-06-12 Andrei Barbu , Aaron Michaux , Siddharth Narayanaswamy , Jeffrey Mark Siskind

Online temporal action localization from an untrimmed video stream is a challenging problem in computer vision. It is challenging because of i) in an untrimmed video stream, more than one action instance may appear, including background…

Computer Vision and Pattern Recognition · Computer Science 2020-03-18 Da-Hye Yoon , Nam-Gyu Cho , Seong-Whan Lee

Understanding accurate information on human behaviours is one of the most important tasks in machine intelligence. Human Activity Recognition that aims to understand human activities from a video is a challenging task due to various…

Computer Vision and Pattern Recognition · Computer Science 2021-06-25 Ivaxi Sheth

This paper presents a method for automatic video object segmentation based on the fusion of motion stream, appearance stream, and instance-aware segmentation. The proposed scheme consists of a two-stream fusion network and an instance…

Computer Vision and Pattern Recognition · Computer Science 2019-12-04 Sungkwon Choo , Wonkyo Seo , Nam Ik Cho

Online, real-time, and fine-grained 3D segmentation constitutes a fundamental capability for embodied intelligent agents to perceive and comprehend their operational environments. Recent advancements employ predefined object queries to…

Computer Vision and Pattern Recognition · Computer Science 2025-12-09 Hanshi Wang , Zijian Cai , Jin Gao , Yiwei Zhang , Weiming Hu , Ke Wang , Zhipeng Zhang

Action segmentation is a challenging yet active research area that involves identifying when and where specific actions occur in continuous video streams. Most existing work has focused on single-stream approaches that model the…

Computer Vision and Pattern Recognition · Computer Science 2025-10-10 Harshala Gammulle , Clinton Fookes , Sridha Sridharan , Simon Denman

Online continuous motion recognition is a hot topic of research since it is more practical in real life application cases. Recently, Skeleton-based approaches have become increasingly popular, demonstrating the power of using such 3D…

Computer Vision and Pattern Recognition · Computer Science 2025-11-10 Mohamed Sanim Akremi , Rim Slama , Hedi Tabia

Recognizing group activities is challenging due to the difficulties in isolating individual entities, finding the respective roles played by the individuals and representing the complex interactions among the participants. Individual…

Computer Vision and Pattern Recognition · Computer Science 2015-03-20 Qiang Qiu , Rama Chellappa

A person's movement or relative positioning can be effectively captured by different types of sensors and corresponding sensor output can be utilized in various manipulative techniques for the classification of different human activities.…

Computer Vision and Pattern Recognition · Computer Science 2024-07-10 Utsab Saha , Sawradip Saha , Tahmid Kabir , Shaikh Anowarul Fattah , Mohammad Saquib

This paper presents a novel approach for automatic recognition of human activities for video surveillance applications. We propose to represent an activity by a combination of category components, and demonstrate that this approach offers…

Computer Vision and Pattern Recognition · Computer Science 2015-03-03 Weiyao Lin , Ming-Ting Sun , Radha Poovendran , Zhengyou Zhang

Recently, pose-based action recognition has gained more and more attention due to the better performance compared with traditional appearance-based methods. However, there still exist two problems to be further solved. First, existing…

Computer Vision and Pattern Recognition · Computer Science 2018-05-23 Wei Wang , Jinjin Zhang , Chenyang Si , Liang Wang