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The recognition of behaviors in videos usually requires a combinatorial analysis of the spatial information about objects and their dynamic action information in the temporal dimension. Specifically, behavior recognition may even rely more…

Computer Vision and Pattern Recognition · Computer Science 2022-03-08 Lizong Zhang , Yiming Wang , Bei Hui , Xiujian Zhang , Sijuan Liu , Shuxin Feng

Pre-trained vision-language models have inspired much research on few-shot learning. However, with only a few training images, there exist two crucial problems: (1) the visual feature distributions are easily distracted by class-irrelevant…

Computer Vision and Pattern Recognition · Computer Science 2023-05-22 Runqi Wang , Hao Zheng , Xiaoyue Duan , Jianzhuang Liu , Yuning Lu , Tian Wang , Songcen Xu , Baochang Zhang

Few-shot learning (FSL), which aims to recognise new classes by adapting the learned knowledge with extremely limited few-shot (support) examples, remains an important open problem in computer vision. Most of the existing methods for…

Computer Vision and Pattern Recognition · Computer Science 2021-03-26 Chengming Xu , Chen Liu , Li Zhang , Chengjie Wang , Jilin Li , Feiyue Huang , Xiangyang Xue , Yanwei Fu

Inspired by the dual-stream theory of the human visual system (HVS) - where the ventral stream is responsible for object recognition and detail analysis, while the dorsal stream focuses on spatial relationships and motion perception - an…

Computer Vision and Pattern Recognition · Computer Science 2025-04-22 Li Yu , Situo Wang , Wei Zhou , Moncef Gabbouj

Multi-task learning based video anomaly detection methods combine multiple proxy tasks in different branches to detect video anomalies in different situations. Most existing methods either do not combine complementary tasks to effectively…

Computer Vision and Pattern Recognition · Computer Science 2023-05-12 Mohammad Baradaran , Robert Bergevin

Weakly-supervised Temporal Action Localization (WS-TAL) methods learn to localize temporal starts and ends of action instances in a video under only video-level supervision. Existing WS-TAL methods rely on deep features learned for action…

Computer Vision and Pattern Recognition · Computer Science 2021-03-31 Ziyi Liu , Le Wang , Wei Tang , Junsong Yuan , Nanning Zheng , Gang Hua

The task of skeleton-based action recognition remains a core challenge in human-centred scene understanding due to the multiple granularities and large variation in human motion. Existing approaches typically employ a single neural…

Computer Vision and Pattern Recognition · Computer Science 2021-08-11 Tailin Chen , Desen Zhou , Jian Wang , Shidong Wang , Yu Guan , Xuming He , Errui Ding

Video classification is highly important with wide applications, such as video search and intelligent surveillance. Video naturally consists of static and motion information, which can be represented by frame and optical flow. Recently,…

Computer Vision and Pattern Recognition · Computer Science 2017-11-10 Yuxin Peng , Yunzhen Zhao , Junchao Zhang

This paper presents a novel spatiotemporal transformer network that introduces several original components to detect actions in untrimmed videos. First, the multi-feature selective semantic attention model calculates the correlations…

Computer Vision and Pattern Recognition · Computer Science 2024-05-15 Matthew Korban , Peter Youngs , Scott T. Acton

The goal of fine-grained action recognition is to successfully discriminate between action categories with subtle differences. To tackle this, we derive inspiration from the human visual system which contains specialized regions in the…

Computer Vision and Pattern Recognition · Computer Science 2022-09-07 Tianjiao Li , Lin Geng Foo , Qiuhong Ke , Hossein Rahmani , Anran Wang , Jinghua Wang , Jun Liu

Nuanced understanding and the generation of detailed descriptive content for (bimanual) manipulation actions in videos is important for disciplines such as robotics, human-computer interaction, and video content analysis. This study…

Computer Vision and Pattern Recognition · Computer Science 2023-10-03 Fatemeh Ziaeetabar , Reza Safabakhsh , Saeedeh Momtazi , Minija Tamosiunaite , Florentin Wörgötter

Few-shot action recognition aims to enable models to quickly learn new action categories from limited labeled samples, addressing the challenge of data scarcity in real-world applications. Current research primarily addresses three core…

Computer Vision and Pattern Recognition · Computer Science 2025-12-23 Xiaoyang Li , Mingming Lu , Ruiqi Wang , Hao Li , Zewei Le

Few-Shot Action Recognition (FSAR) is a challenging task that requires recognizing novel action categories with a few labeled videos. Recent works typically apply semantically coarse category names as auxiliary contexts to guide the…

Computer Vision and Pattern Recognition · Computer Science 2026-02-23 Hongyu Qu , Xiangbo Shu , Rui Yan , Hailiang Gao , Wenguan Wang , Jinhui Tang

We propose a few-shot learning method for spatial regression. Although Gaussian processes (GPs) have been successfully used for spatial regression, they require many observations in the target task to achieve a high predictive performance.…

Machine Learning · Statistics 2020-10-12 Tomoharu Iwata , Yusuke Tanaka

In this paper we propose a novel Temporal Attentive Relation Network (TARN) for the problems of few-shot and zero-shot action recognition. At the heart of our network is a meta-learning approach that learns to compare representations of…

Computer Vision and Pattern Recognition · Computer Science 2019-07-23 Mina Bishay , Georgios Zoumpourlis , Ioannis Patras

We present a dual-pathway approach for recognizing fine-grained interactions from videos. We build on the success of prior dual-stream approaches, but make a distinction between the static and dynamic representations of objects and their…

Computer Vision and Pattern Recognition · Computer Science 2021-04-02 Tae Soo Kim , Jonathan Jones , Gregory D. Hager

Recently, self-attention mechanisms have shown impressive performance in various NLP and CV tasks, which can help capture sequential characteristics and derive global information. In this work, we explore how to extend self-attention…

Computer Vision and Pattern Recognition · Computer Science 2022-05-05 Haowei Zhu , Wenjing Ke , Dong Li , Ji Liu , Lu Tian , Yi Shan

In this paper, we propose a novel few-shot learning framework for multi-robot systems that integrate both spatial and temporal elements: Few-Shot Demonstration-Driven Task Coordination and Trajectory Execution (DDACE). Our approach…

Robotics · Computer Science 2025-10-20 Taehyeon Kim , Vishnunandan L. N. Venkatesh , Byung-Cheol Min

Existing works in few-shot action recognition mostly fine-tune a pre-trained image model and design sophisticated temporal alignment modules at feature level. However, simply fully fine-tuning the pre-trained model could cause overfitting…

Computer Vision and Pattern Recognition · Computer Science 2024-08-02 Congqi Cao , Yueran Zhang , Yating Yu , Qinyi Lv , Lingtong Min , Yanning Zhang

The existing few-shot video classification methods often employ a meta-learning paradigm by designing customized temporal alignment module for similarity calculation. While significant progress has been made, these methods fail to focus on…

Computer Vision and Pattern Recognition · Computer Science 2021-10-26 Zhenxi Zhu , Limin Wang , Sheng Guo , Gangshan Wu