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Gait datasets are essential for gait research. However, this paper observes that present benchmarks, whether conventional constrained or emerging real-world datasets, fall short regarding covariate diversity. To bridge this gap, we…

Computer Vision and Pattern Recognition · Computer Science 2024-03-05 Shinan Zou , Chao Fan , Jianbo Xiong , Chuanfu Shen , Shiqi Yu , Jin Tang

The emergence of RGB-D sensors offered new possibilities for addressing complex artificial vision problems efficiently. Human posture recognition is among these computer vision problems, with a wide range of applications such as ambient…

Computer Vision and Pattern Recognition · Computer Science 2018-10-16 Mohamed El Amine Elforaici , Ismail Chaaraoui , Wassim Bouachir , Youssef Ouakrim , Neila Mezghani

Learning view-invariant representation is a key to improving feature discrimination power for skeleton-based action recognition. Existing approaches cannot effectively remove the impact of viewpoint due to the implicit view-dependent…

Computer Vision and Pattern Recognition · Computer Science 2023-04-04 Qianhui Men , Edmond S. L. Ho , Hubert P. H. Shum , Howard Leung

Action recognition, which is formulated as a task to identify various human actions in a video, has attracted increasing interest from computer vision researchers due to its importance in various applications. Recently, appearance-based…

Computer Vision and Pattern Recognition · Computer Science 2020-11-26 Jack Humphreys , Zhe Chen , Dacheng Tao

Video anomaly detection is an essential yet challenging task in the multimedia community, with promising applications in smart cities and secure communities. Existing methods attempt to learn abstract representations of regular events with…

Multimedia · Computer Science 2023-08-04 Yang Liu , Zhaoyang Xia , Mengyang Zhao , Donglai Wei , Yuzheng Wang , Liu Siao , Bobo Ju , Gaoyun Fang , Jing Liu , Liang Song

Action recognition is a crucial task in artificial intelligence, with significant implications across various domains. We initially perform a comprehensive analysis of seven prominent action recognition methods across five widely-used…

Computer Vision and Pattern Recognition · Computer Science 2025-03-17 Jiangning Wei , Lixiong Qin , Bo Yu , Tianjian Zou , Chuhan Yan , Dandan Xiao , Yang Yu , Lan Yang , Ke Li , Jun Liu

Action recognition is a key technology in building interactive metaverses. With the rapid development of deep learning, methods in action recognition have also achieved great advancement. Researchers design and implement the backbones…

Computer Vision and Pattern Recognition · Computer Science 2024-05-10 Zixuan Tang , Youjun Zhao , Yuhang Wen , Mengyuan Liu

Identifying covariate shift is crucial for making machine learning systems robust in the real world and for detecting training data biases that are not reflected in test data. However, detecting covariate shift is challenging, especially…

Machine Learning · Computer Science 2021-08-20 Matthew L. Olson , Thuy-Vy Nguyen , Gaurav Dixit , Neale Ratzlaff , Weng-Keen Wong , Minsuk Kahng

We introduce a new task called Referring Atomic Video Action Recognition (RAVAR), aimed at identifying atomic actions of a particular person based on a textual description and the video data of this person. This task differs from…

Computer Vision and Pattern Recognition · Computer Science 2024-07-12 Kunyu Peng , Jia Fu , Kailun Yang , Di Wen , Yufan Chen , Ruiping Liu , Junwei Zheng , Jiaming Zhang , M. Saquib Sarfraz , Rainer Stiefelhagen , Alina Roitberg

Current state-of-the-art approaches to skeleton-based action recognition are mostly based on recurrent neural networks (RNN). In this paper, we propose a novel convolutional neural networks (CNN) based framework for both action…

Computer Vision and Pattern Recognition · Computer Science 2017-05-03 Chao Li , Qiaoyong Zhong , Di Xie , Shiliang Pu

How can we teach a computer to recognize 10,000 different actions? Deep learning has evolved from supervised and unsupervised to self-supervised approaches. In this paper, we present a new contrastive learning-based framework for decision…

Computer Vision and Pattern Recognition · Computer Science 2023-04-24 Mindi Ruan , Xiangxu Yu , Na Zhang , Chuanbo Hu , Shuo Wang , Xin Li

With the prevalence of RGB-D cameras, multi-modal video data have become more available for human action recognition. One main challenge for this task lies in how to effectively leverage their complementary information. In this work, we…

Computer Vision and Pattern Recognition · Computer Science 2020-02-03 Sijie Song , Jiaying Liu , Yanghao Li , Zongming Guo

Vision-based robotic policies often struggle with even minor viewpoint changes, underscoring the need for view-invariant visual representations. This challenge becomes more pronounced in real-world settings, where viewpoint variability is…

Robotics · Computer Science 2026-01-07 Youngjoon Jeong , Junha Chun , Taesup Kim

In computer vision, action recognition refers to the act of classifying an action that is present in a given video and action detection involves locating actions of interest in space and/or time. Videos, which contain photometric…

Computer Vision and Pattern Recognition · Computer Science 2016-11-02 Soo Min Kang , Richard P. Wildes

Convolutional Neural Networks (ConvNets) have recently shown promising performance in many computer vision tasks, especially image-based recognition. How to effectively apply ConvNets to sequence-based data is still an open problem. This…

Computer Vision and Pattern Recognition · Computer Science 2017-01-02 Pichao Wang , Wanqing Li , Chuankun Li , Yonghong Hou

Skeleton-based action recognition receives the attention of many researchers as it is robust to viewpoint and illumination changes, and its processing is much more efficient than the processing of video frames. With the emergence of deep…

Computer Vision and Pattern Recognition · Computer Science 2024-08-01 Ozge Oztimur Karadag

Remote sensing change detection aims to localize and characterize scene changes between two time points and is central to applications such as environmental monitoring and disaster assessment. Meanwhile, visual autoregressive models (VARs)…

Computer Vision and Pattern Recognition · Computer Science 2026-01-21 Yilmaz Korkmaz , Vishal M. Patel

Human action recognition plays a critical role in healthcare and medicine, supporting applications such as patient behavior monitoring, fall detection, surgical robot supervision, and procedural skill assessment. While traditional models…

Computer Vision and Pattern Recognition · Computer Science 2025-08-01 Utkarsh Shandilya , Marsha Mariya Kappan , Sanyam Jain , Vijeta Sharma

Recently, camera-radar fusion-based 3D object detection methods in bird's eye view (BEV) have gained attention due to the complementary characteristics and cost-effectiveness of these sensors. Previous approaches using forward projection…

Computer Vision and Pattern Recognition · Computer Science 2025-09-09 In-Jae Lee , Sihwan Hwang , Youngseok Kim , Wonjune Kim , Sanmin Kim , Dongsuk Kum

Human action recognition is an important application domain in computer vision. Its primary aim is to accurately describe human actions and their interactions from a previously unseen data sequence acquired by sensors. The ability to…

Computer Vision and Pattern Recognition · Computer Science 2022-08-09 Hieu H. Pham , Louahdi Khoudour , Alain Crouzil , Pablo Zegers , Sergio A. Velastin