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Related papers: Semi-Supervised Few-Shot Atomic Action Recognition

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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

Few-shot action recognition aims to recognize action classes with few training samples. Most existing methods adopt a meta-learning approach with episodic training. In each episode, the few samples in a meta-training task are split into…

Computer Vision and Pattern Recognition · Computer Science 2021-10-26 Xiatian Zhu , Antoine Toisoul , Juan-Manuel Perez-Rua , Li Zhang , Brais Martinez , Tao Xiang

Few-shot learning aims to recognize instances from novel classes with few labeled samples, which has great value in research and application. Although there has been a lot of work in this area recently, most of the existing work is based on…

Computer Vision and Pattern Recognition · Computer Science 2020-10-14 Congqi Cao , Yajuan Li , Qinyi Lv , Peng Wang , Yanning Zhang

In this paper, we study multi-label atomic activity recognition. Despite the notable progress in action recognition, it is still challenging to recognize atomic activities due to a deficiency in a holistic understanding of both multiple…

Computer Vision and Pattern Recognition · Computer Science 2024-04-23 Chi-Hsi Kung , Shu-Wei Lu , Yi-Hsuan Tsai , Yi-Ting Chen

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

Recognizing human actions is fundamentally a spatio-temporal reasoning problem, and should be, at least to some extent, invariant to the appearance of the human and the objects involved. Motivated by this hypothesis, in this work, we take…

Computer Vision and Pattern Recognition · Computer Science 2021-11-04 Gorjan Radevski , Marie-Francine Moens , Tinne Tuytelaars

Many few-shot learning models focus on recognising images. In contrast, we tackle a challenging task of few-shot action recognition from videos. We build on a C3D encoder for spatio-temporal video blocks to capture short-range action…

Computer Vision and Pattern Recognition · Computer Science 2020-08-05 Hongguang Zhang , Li Zhang , Xiaojuan Qi , Hongdong Li , Philip H. S. Torr , Piotr Koniusz

A primary challenge faced in few-shot action recognition is inadequate video data for training. To address this issue, current methods in this field mainly focus on devising algorithms at the feature level while little attention is paid to…

Computer Vision and Pattern Recognition · Computer Science 2022-12-23 Huabin Liu , Weixian Lv , John See , Weiyao Lin

Recently action recognition has received more and more attention for its comprehensive and practical applications in intelligent surveillance and human-computer interaction. However, few-shot action recognition has not been well explored…

Computer Vision and Pattern Recognition · Computer Science 2024-01-22 Changzhen Li , Jie Zhang , Shuzhe Wu , Xin Jin , Shiguang Shan

Recent work on action recognition leverages 3D features and textual information to achieve state-of-the-art performance. However, most of the current few-shot action recognition methods still rely on 2D frame-level representations, often…

Computer Vision and Pattern Recognition · Computer Science 2023-11-13 Yutao Tang , Benjamin Bejar , Rene Vidal

Despite the notable progress made in action recognition tasks, not much work has been done in action recognition specifically for human-robot interaction. In this paper, we deeply explore the characteristics of the action recognition task…

Computer Vision and Pattern Recognition · Computer Science 2020-07-03 Ziyang Song , Ziyi Yin , Zejian Yuan , Chong Zhang , Wanchao Chi , Yonggen Ling , Shenghao Zhang

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

Few-shot action recognition aims to recognize novel action classes using only a small number of labeled training samples. In this work, we propose a novel approach that first summarizes each video into compound prototypes consisting of a…

Computer Vision and Pattern Recognition · Computer Science 2023-10-17 Yifei Huang , Lijin Yang , Yoichi Sato

Fine-grained action recognition is attracting increasing attention due to the emerging demand of specific action understanding in real-world applications, whereas the data of rare fine-grained categories is very limited. Therefore, we…

Computer Vision and Pattern Recognition · Computer Science 2021-08-17 Jiahao Wang , Yunhong Wang , Sheng Liu , Annan Li

Few-shot learning is often motivated by the ability of humans to learn new tasks from few examples. However, standard few-shot classification benchmarks assume that the representation is learned on a limited amount of base class data,…

Computer Vision and Pattern Recognition · Computer Science 2020-02-19 Yann Lifchitz , Yannis Avrithis , Sylvaine Picard

There has been a remarkable progress in learning a model which could recognise novel classes with only a few labeled examples in the last few years. Few-shot learning (FSL) for action recognition is a challenging task of recognising novel…

Computer Vision and Pattern Recognition · Computer Science 2021-08-23 Neeraj Kumar , Siddhansh Narang

Training a neural network model that can quickly adapt to a new task is highly desirable yet challenging for few-shot learning problems. Recent few-shot learning methods mostly concentrate on developing various meta-learning strategies from…

Computer Vision and Pattern Recognition · Computer Science 2020-11-24 Zihang Jiang , Bingyi Kang , Kuangqi Zhou , Jiashi Feng

In this work, we focus on label efficient learning for video action detection. We develop a novel semi-supervised active learning approach which utilizes both labeled as well as unlabeled data along with informative sample selection for…

Computer Vision and Pattern Recognition · Computer Science 2024-04-04 Ayush Singh , Aayush J Rana , Akash Kumar , Shruti Vyas , Yogesh Singh Rawat

With the rapid development of deep learning algorithms, action recognition in video has achieved many important research results. One issue in action recognition, Zero-Shot Action Recognition (ZSAR), has recently attracted considerable…

Computer Vision and Pattern Recognition · Computer Science 2020-04-24 Dong Cao , Lisha Xu , HaiBo Chen

Due to the rapid temporal and fine-grained nature of complex human assembly atomic actions, traditional action segmentation approaches requiring the spatial (and often temporal) down sampling of video frames often loose vital fine-grained…

Computer Vision and Pattern Recognition · Computer Science 2022-11-28 Matthew Kent Myers , Nick Wright , Stephen McGough , Nicholas Martin
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