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Temporal action segmentation (TAS) aims to classify and locate actions in the long untrimmed action sequence. With the success of deep learning, many deep models for action segmentation have emerged. However, few-shot TAS is still a…

Computer Vision and Pattern Recognition · Computer Science 2022-07-21 Leiyang Xu , Qiang Wang , Xiaotian Lin , Lin Yuan

The goal of few-shot learning is to classify unseen categories with few labeled samples. Recently, the low-level information metric-learning based methods have achieved satisfying performance, since local representations (LRs) are more…

Computer Vision and Pattern Recognition · Computer Science 2020-12-01 Haoxing Chen , Huaxiong Li , Yaohui Li , Chunlin Chen

Few-shot video classification aims to learn new video categories with only a few labeled examples, alleviating the burden of costly annotation in real-world applications. However, it is particularly challenging to learn a class-invariant…

Computer Vision and Pattern Recognition · Computer Science 2021-05-12 Songyang Zhang , Jiale Zhou , Xuming He

Few-shot learning allows machines to classify novel classes using only a few labeled samples. Recently, few-shot segmentation aiming at semantic segmentation on low sample data has also seen great interest. In this paper, we propose a…

Computer Vision and Pattern Recognition · Computer Science 2020-10-23 Jun Seo , Young-Hyun Park , Sung-Whan Yoon , Jaekyun Moon

Deep neural networks based purely on attention have been successful across several domains, relying on minimal architectural priors from the designer. In Human Action Recognition (HAR), attention mechanisms have been primarily adopted on…

Computer Vision and Pattern Recognition · Computer Science 2022-01-11 Vittorio Mazzia , Simone Angarano , Francesco Salvetti , Federico Angelini , Marcello Chiaberge

Few-shot learning is a technique to learn a model with a very small amount of labeled training data by transferring knowledge from relevant tasks. In this paper, we propose a few-shot learning method for wearable sensor based human activity…

Machine Learning · Computer Science 2019-03-26 Siwei Feng , Marco F. Duarte

Recently, Convolutional Neural Networks (ConvNets) have shown promising performances in many computer vision tasks, especially image-based recognition. How to effectively use ConvNets for video-based recognition is still an open problem. In…

Computer Vision and Pattern Recognition · Computer Science 2016-11-15 Pichao Wang , Zhaoyang Li , Yonghong Hou , Wanqing Li

Few-shot classification and segmentation (FS-CS) focuses on jointly performing multi-label classification and multi-class segmentation using few annotated examples. Although the current state of the art (SOTA) achieves high accuracy in both…

Computer Vision and Pattern Recognition · Computer Science 2026-02-04 Dustin Carrión-Ojeda , Stefan Roth , Simone Schaub-Meyer

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

Masked video modeling~(MVM) has emerged as a highly effective pre-training strategy for visual foundation models, whereby the model reconstructs masked spatiotemporal tokens using information from visible tokens. However, a key challenge in…

Computer Vision and Pattern Recognition · Computer Science 2025-08-15 Ayush K. Rai , Kyle Min , Tarun Krishna , Feiyan Hu , Alan F. Smeaton , Noel E. O'Connor

Medical image segmentation has made significant progress in recent years. Deep learning-based methods are recognized as data-hungry techniques, requiring large amounts of data with manual annotations. However, manual annotation is expensive…

Computer Vision and Pattern Recognition · Computer Science 2023-09-22 Yi Lin , Yufan Chen , Kwang-Ting Cheng , Hao Chen

This paper addresses the few-shot image classification problem, where the classification task is performed on unlabeled query samples given a small amount of labeled support samples only. One major challenge of the few-shot learning problem…

Computer Vision and Pattern Recognition · Computer Science 2023-07-24 Quang-Huy Nguyen , Cuong Q. Nguyen , Dung D. Le , Hieu H. Pham

Few-shot action recognition aims at quickly adapting a pre-trained model to the novel data with a distribution shift using only a limited number of samples. Key challenges include how to identify and leverage the transferable knowledge…

Computer Vision and Pattern Recognition · Computer Science 2024-06-06 Yuke Li , Guangyi Chen , Ben Abramowitz , Stefano Anzellott , Donglai Wei

Deep neural networks often encounter significant performance drops while facing with domain shifts between training (source) and test (target) data. To address this issue, Test Time Adaptation (TTA) methods have been proposed to adapt…

Computer Vision and Pattern Recognition · Computer Science 2025-12-09 Siqi Luo , Yi Xin , Yuntao Du , Tao Tan , Guangtao Zhai , Xiaohong Liu

Going beyond few-shot action recognition (FSAR), cross-domain FSAR (CDFSAR) has attracted recent research interests by solving the domain gap lying in source-to-target transfer learning. Existing CDFSAR methods mainly focus on joint…

Computer Vision and Pattern Recognition · Computer Science 2025-04-04 Yilong Wang , Zilin Gao , Qilong Wang , Zhaofeng Chen , Peihua Li , Qinghua Hu

Few-shot object detection, learning to adapt to the novel classes with a few labeled data, is an imperative and long-lasting problem due to the inherent long-tail distribution of real-world data and the urgent demands to cut costs of data…

Computer Vision and Pattern Recognition · Computer Science 2021-11-02 Leng Jiaxu , Chen Taiyue , Gao Xinbo , Yu Yongtao , Wang Ye , Gao Feng , Wang Yue

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

The goal of few-shot video classification is to learn a classification model with good generalization ability when trained with only a few labeled videos. However, it is difficult to learn discriminative feature representations for videos…

Computer Vision and Pattern Recognition · Computer Science 2022-01-03 Fei Pan , Chunlei Xu , Jie Guo , Yanwen Guo

In recent years, few-shot action recognition has achieved remarkable performance through spatio-temporal relation modeling. Although a wide range of spatial and temporal alignment modules have been proposed, they primarily address spatial…

Computer Vision and Pattern Recognition · Computer Science 2024-11-19 Hanyu Guo , Wanchuan Yu , Suzhou Que , Kaiwen Du , Yan Yan , Hanzi Wang

Humans possess remarkable ability to accurately classify new, unseen images after being exposed to only a few examples. Such ability stems from their capacity to identify common features shared between new and previously seen images while…

Computer Vision and Pattern Recognition · Computer Science 2024-05-07 Weihao Jiang , Chang Liu , Kun He