English
Related papers

Related papers: MMAD: Multi-label Micro-Action Detection in Videos

200 papers

Skeleton-based temporal action segmentation is a fundamental yet challenging task, playing a crucial role in enabling intelligent systems to perceive and respond to human activities. While fully-supervised methods achieve satisfactory…

Computer Vision and Pattern Recognition · Computer Science 2026-03-09 Hongsong Wang , Yiqin Shen , Pengbo Yan , Jie Gui

Human actions are typically of combinatorial structures or patterns, i.e., subjects, objects, plus spatio-temporal interactions in between. Discovering such structures is therefore a rewarding way to reason about the dynamics of…

Computer Vision and Pattern Recognition · Computer Science 2022-01-12 Dong Li , Zhaofan Qiu , Yingwei Pan , Ting Yao , Houqiang Li , Tao Mei

In this paper, we introduce the latest solution developed by our team, HFUT-VUT, for the Micro-gesture Online Recognition track of the IJCAI 2025 MiGA Challenge. The Micro-gesture Online Recognition task is a highly challenging problem that…

Computer Vision and Pattern Recognition · Computer Science 2025-08-27 Pengyu Liu , Kun Li , Fei Wang , Yanyan Wei , Junhui She , Dan Guo

Human Action Recognition (HAR) is a very crucial task in computer vision. It helps to carry out a series of downstream tasks, like understanding human behaviors. Due to the complexity of human behaviors, many highly valuable behaviors are…

Computer Vision and Pattern Recognition · Computer Science 2024-08-27 Hongwu Li , Zhenliang Zhang , Wei Wang

Action understanding has evolved into the era of fine granularity, as most human behaviors in real life have only minor differences. To detect these fine-grained actions accurately in a label-efficient way, we tackle the problem of…

Computer Vision and Pattern Recognition · Computer Science 2022-07-26 Zhi Li , Lu He , Huijuan Xu

Micro-actions, fleeting and low-amplitude motions, such as glances, nods, or minor posture shifts, carry rich social meaning but remain difficult for current action recognition models to recognize due to their subtlety, short duration, and…

Computer Vision and Pattern Recognition · Computer Science 2026-04-13 Nishit Poddar , Aglind Reka , Diana-Laura Borza , Snehashis Majhi , Michal Balazia , Abhijit Das , Francois Bremond

Human actions in videos are 3D signals. However, there are a few methods available for multiple human action recognition. For long videos, it's difficult to search within a video for a specific action and/or person. For that, this paper…

Computer Vision and Pattern Recognition · Computer Science 2021-03-16 Noor Almaadeed , Omar Elharrouss , Somaya Al-Maadeed , Ahmed Bouridane , Azeddine Beghdadi

Humans constantly interact with daily objects to accomplish tasks. To understand such interactions, computers need to reconstruct these from cameras observing whole-body interaction with scenes. This is challenging due to occlusion between…

Computer Vision and Pattern Recognition · Computer Science 2022-10-04 Yinghao Huang , Omid Tehari , Michael J. Black , Dimitrios Tzionas

Facial action units allow an objective, standardized description of facial micro movements which can be used to describe emotions in human faces. Annotating data for action units is an expensive and time-consuming task, which leads to a…

Computer Vision and Pattern Recognition · Computer Science 2020-08-18 Jaspar Pahl , Ines Rieger , Dominik Seuss

The Meta Video Dataset (MetaVD) provides annotated relations between action classes in major datasets for human action recognition in videos. Although these annotated relations enable dataset augmentation, it is only applicable to those…

Computer Vision and Pattern Recognition · Computer Science 2023-08-22 Yuya Yoshikawa , Yutaro Shigeto , Masashi Shimbo , Akikazu Takeuchi

This paper introduces a new video-and-language dataset with human actions for multimodal logical inference, which focuses on intentional and aspectual expressions that describe dynamic human actions. The dataset consists of 200 videos,…

Computer Vision and Pattern Recognition · Computer Science 2021-06-29 Riko Suzuki , Hitomi Yanaka , Koji Mineshima , Daisuke Bekki

The availability of large-scale video action understanding datasets has facilitated advances in the interpretation of visual scenes containing people. However, learning to recognise human actions and their social interactions in an…

Computer Vision and Pattern Recognition · Computer Science 2021-11-25 Mahsa Ehsanpour , Fatemeh Saleh , Silvio Savarese , Ian Reid , Hamid Rezatofighi

Few-shot action recognition aims to address the high cost and impracticality of manually labeling complex and variable video data in action recognition. It requires accurately classifying human actions in videos using only a few labeled…

Computer Vision and Pattern Recognition · Computer Science 2025-03-31 Yuyang Wanyan , Xiaoshan Yang , Weiming Dong , Changsheng Xu

We propose a novel domain adaptive action detection approach and a new adaptation protocol that leverages the recent advancements in image-level unsupervised domain adaptation (UDA) techniques and handle vagaries of instance-level video…

Computer Vision and Pattern Recognition · Computer Science 2022-10-07 Yifan Lu , Gurkirt Singh , Suman Saha , Luc Van Gool

Micro-Action Recognition (MAR) aims to classify subtle human actions in video. However, annotating MAR datasets is particularly challenging due to the subtlety of actions. To this end, we introduce the setting of Semi-Supervised MAR…

Computer Vision and Pattern Recognition · Computer Science 2025-04-11 Yan Zhang , Lechao Cheng , Yaxiong Wang , Zhun Zhong , Meng Wang

Interpretation and understanding of video presents a challenging computer vision task in numerous fields - e.g. autonomous driving and sports analytics. Existing approaches to interpreting the actions taking place within a video clip are…

Computer Vision and Pattern Recognition · Computer Science 2023-10-31 Salman Khan , Izzeddin Teeti , Andrew Bradley , Mohamed Elhoseiny , Fabio Cuzzolin

Video action detection requires dense spatio-temporal annotations, which are both challenging and expensive to obtain. However, real-world videos often vary in difficulty and may not require the same level of annotation. This paper analyzes…

Computer Vision and Pattern Recognition · Computer Science 2025-08-20 Aayush Rana , Akash Kumar , Vibhav Vineet , Yogesh S Rawat

Human activity, which usually consists of several actions, generally covers interactions among persons and or objects. In particular, human actions involve certain spatial and temporal relationships, are the components of more complicated…

Computer Vision and Pattern Recognition · Computer Science 2020-06-30 Zhenyu Liu , Yaqiang Yao , Yan Liu , Yuening Zhu , Zhenchao Tao , Lei Wang , Yuhong Feng

Enabling computational systems with the ability to localize actions in video-based content has manifold applications. Traditionally, such a problem is approached in a fully-supervised setting where video-clips with complete frame-by-frame…

Computer Vision and Pattern Recognition · Computer Science 2019-05-07 Kurt Degiorgio , Fabio Cuzzolin

In this work, we focus on a special group of human body language -- the micro-gesture (MG), which differs from the range of ordinary illustrative gestures in that they are not intentional behaviors performed to convey information to others,…

Computer Vision and Pattern Recognition · Computer Science 2025-02-07 Rong Gao , Xin Liu , Bohao Xing , Zitong Yu , Bjorn W. Schuller , Heikki Kälviäinen