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Related papers: Semantic-aware Video Representation for Few-shot A…

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We present a cross-modal Transformer-based framework, which jointly encodes video data and text labels for zero-shot action recognition (ZSAR). Our model employs a conceptually new pipeline by which visual representations are learned in…

Computer Vision and Pattern Recognition · Computer Science 2022-05-04 Chung-Ching Lin , Kevin Lin , Linjie Li , Lijuan Wang , Zicheng Liu

Few-shot learning is a challenging problem since only a few examples are provided to recognize a new class. Several recent studies exploit additional semantic information, e.g. text embeddings of class names, to address the issue of rare…

Computer Vision and Pattern Recognition · Computer Science 2023-03-27 Wentao Chen , Chenyang Si , Zhang Zhang , Liang Wang , Zilei Wang , Tieniu Tan

The success of Zero-shot Action Recognition (ZSAR) methods is intrinsically related to the nature of semantic side information used to transfer knowledge, although this aspect has not been primarily investigated in the literature. This work…

Computer Vision and Pattern Recognition · Computer Science 2022-09-27 Valter Estevam , Rayson Laroca , Helio Pedrini , David Menotti

Few-shot learning is a fundamental and challenging problem since it requires recognizing novel categories from only a few examples. The objects for recognition have multiple variants and can locate anywhere in images. Directly comparing…

Computer Vision and Pattern Recognition · Computer Science 2022-01-10 Congqi Cao , Yanning Zhang

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

We present a general framework for compositional action recognition -- i.e. action recognition where the labels are composed out of simpler components such as subjects, atomic-actions and objects. The main challenge in compositional action…

Computer Vision and Pattern Recognition · Computer Science 2020-12-21 Tae Soo Kim , Gregory D. Hager

Few-shot action recognition (FSAR) has recently made notable progress through set matching and efficient adaptation of large-scale pre-trained models. However, two key limitations persist. First, existing set matching metrics typically rely…

Computer Vision and Pattern Recognition · Computer Science 2025-12-16 Fei Long , Yao Zhang , Jiaming Lv , Jiangtao Xie , Peihua Li

Few-shot Learning aims to learn and distinguish new categories with a very limited number of available images, presenting a significant challenge in the realm of deep learning. Recent researchers have sought to leverage the additional…

Computer Vision and Pattern Recognition · Computer Science 2024-03-26 Chunpeng Zhou , Haishuai Wang , Xilu Yuan , Zhi Yu , Jiajun Bu

Few-shot object detection~(FSOD), which aims to detect novel objects with limited annotated instances, has made significant progress in recent years. However, existing methods still suffer from biased representations, especially for novel…

Computer Vision and Pattern Recognition · Computer Science 2024-06-21 Zheng Wang , Yingjie Gao , Qingjie Liu , Yunhong Wang

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

This paper proposes a novel Zero-Shot Action Recognition~(ZSAR) method based on contrastive learning. In ZSAR, we aim to classify examples from classes that were missing during training. Two well-known problems remain in ZSAR: the semantic…

Computer Vision and Pattern Recognition · Computer Science 2026-05-05 Valter Estevam , Rayson Laroca , Helio Pedrini , David Menotti

Few-shot recognition aims to recognize novel categories under low-data regimes. Some recent few-shot recognition methods introduce auxiliary semantic modality, i.e., category attribute information, into representation learning, which…

Computer Vision and Pattern Recognition · Computer Science 2022-07-13 Haoxing Chen , Huaxiong Li , Yaohui Li , Chunlin Chen

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

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 learning (FSL) aims to learn novel visual categories from very few samples, which is a challenging problem in real-world applications. Many methods of few-shot classification work well on general images to learn global…

Computer Vision and Pattern Recognition · Computer Science 2020-12-15 Xiaojian He , Jinfu Lin , Junming Shen

Large-scale pre-trained models have achieved remarkable success in language and image tasks, leading an increasing number of studies to explore the application of pre-trained image models, such as CLIP, in the domain of few-shot action…

Computer Vision and Pattern Recognition · Computer Science 2025-07-04 Congqi Cao , Peiheng Han , Yueran zhang , Yating Yu , Qinyi Lv , Lingtong Min , Yanning zhang

Few-shot semantic segmentation has recently attracted great attention. The goal is to develop a model capable of segmenting unseen classes using only a few annotated samples. Most existing approaches adapt a pre-trained model by training…

Computer Vision and Pattern Recognition · Computer Science 2025-09-16 Bernardo Forni , Gabriele Lombardi , Federico Pozzi , Mirco Planamente

The growing number of action classes has posed a new challenge for video understanding, making Zero-Shot Action Recognition (ZSAR) a thriving direction. The ZSAR task aims to recognize target (unseen) actions without training examples by…

Computer Vision and Pattern Recognition · Computer Science 2021-08-20 Shizhe Chen , Dong Huang

Zero-Shot Action Recognition (ZSAR) aims to recognize video actions that have never been seen during training. Most existing methods assume a shared semantic space between seen and unseen actions and intend to directly learn a mapping from…

Computer Vision and Pattern Recognition · Computer Science 2022-06-23 Zhiyi Gao , Yonghong Hou , Wanqing Li , Zihui Guo , Bin Yu

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