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Existing few-shot learning (FSL) methods assume that there exist sufficient training samples from source classes for knowledge transfer to target classes with few training samples. However, this assumption is often invalid, especially when…

Machine Learning · Computer Science 2020-03-10 Jianhong Zhang , Manli Zhang , Zhiwu Lu , Tao Xiang , Jirong Wen

Few-shot learning (FSL) aims to recognize new objects with extremely limited training data for each category. Previous efforts are made by either leveraging meta-learning paradigm or novel principles in data augmentation to alleviate this…

Computer Vision and Pattern Recognition · Computer Science 2020-04-06 Yikai Wang , Chengming Xu , Chen Liu , Li Zhang , Yanwei Fu

Existing few-shot learning (FSL) methods usually assume base classes and novel classes are from the same domain (in-domain setting). However, in practice, it may be infeasible to collect sufficient training samples for some special domains…

Computer Vision and Pattern Recognition · Computer Science 2021-11-02 Yixiong Zou , Shanghang Zhang , JianPeng Yu , Yonghong Tian , José M. F. Moura

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

Human Activity Recognition (HAR) with different sensing modalities requires both strong generalization across diverse users and efficient personalization for individuals. However, conventional HAR models often fail to generalize when faced…

Machine Learning · Computer Science 2025-09-09 Pixi Kang , Julian Moosmann , Mengxi Liu , Bo Zhou , Michele Magno , Paul Lukowicz , Sizhen Bian

Few-shot learning is proposed to tackle the problem of scarce training data in novel classes. However, prior works in instance-level few-shot learning have paid less attention to effectively utilizing the relationship between categories. In…

Computer Vision and Pattern Recognition · Computer Science 2023-05-10 Anh-Khoa Nguyen Vu , Thanh-Toan Do , Nhat-Duy Nguyen , Vinh-Tiep Nguyen , Thanh Duc Ngo , Tam V. Nguyen

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

Most of the existing deep neural nets on automatic facial expression recognition focus on a set of predefined emotion classes, where the amount of training data has the biggest impact on performance. However, in the standard setting…

Computer Vision and Pattern Recognition · Computer Science 2019-12-12 Anca-Nicoleta Ciubotaru , Arnout Devos , Behzad Bozorgtabar , Jean-Philippe Thiran , Maria Gabrani

Few-shot learning is a rapidly evolving area of research in machine learning where the goal is to classify unlabeled data with only one or "a few" labeled exemplary samples. Neural networks are typically trained to minimize a distance…

Computer Vision and Pattern Recognition · Computer Science 2022-12-09 Samuel Hess , Gregory Ditzler

In few-shot recognition, a classifier that has been trained on one set of classes is required to rapidly adapt and generalize to a disjoint, novel set of classes. To that end, recent studies have shown the efficacy of fine-tuning with…

Computer Vision and Pattern Recognition · Computer Science 2023-06-16 Panagiotis Eustratiadis , Łukasz Dudziak , Da Li , Timothy Hospedales

Few-shot class-incremental learning is to recognize the new classes given few samples and not forget the old classes. It is a challenging task since representation optimization and prototype reorganization can only be achieved under little…

Computer Vision and Pattern Recognition · Computer Science 2021-07-20 Kai Zhu , Yang Cao , Wei Zhai , Jie Cheng , Zheng-Jun Zha

Recently, few-shot object detection~(FSOD) has received much attention from the community, and many methods are proposed to address this problem from a knowledge transfer perspective. Though promising results have been achieved, these…

Computer Vision and Pattern Recognition · Computer Science 2022-10-06 Zhiyuan Zhao , Qingjie Liu , Yunhong Wang

Few-shot learning (FSL) is an important and topical problem in computer vision that has motivated extensive research into numerous methods spanning from sophisticated meta-learning methods to simple transfer learning baselines. We seek to…

Computer Vision and Pattern Recognition · Computer Science 2022-04-18 Shell Xu Hu , Da Li , Jan Stühmer , Minyoung Kim , Timothy M. Hospedales

Synthetic aperture radar automatic target recognition (SAR-ATR) systems have rapidly evolved to tackle incremental recognition challenges in operational settings. Data scarcity remains a major hurdle that conventional SAR-ATR techniques…

Computer Vision and Pattern Recognition · Computer Science 2025-05-27 George Karantaidis , Athanasios Pantsios , Ioannis Kompatsiaris , Symeon Papadopoulos

Few-Shot Learning (FSL) alleviates the data shortage challenge via embedding discriminative target-aware features among plenty seen (base) and few unseen (novel) labeled samples. Most feature embedding modules in recent FSL methods are…

Computer Vision and Pattern Recognition · Computer Science 2024-07-18 Jinxiang Lai , Siqian Yang , Wenlong Liu , Yi Zeng , Zhongyi Huang , Wenlong Wu , Jun Liu , Bin-Bin Gao , Chengjie Wang

Object recognition in the real-world requires handling long-tailed or even open-ended data. An ideal visual system needs to recognize the populated head visual concepts reliably and meanwhile efficiently learn about emerging new tail…

Computer Vision and Pattern Recognition · Computer Science 2021-06-29 Han-Jia Ye , Hexiang Hu , De-Chuan Zhan

Deep convolutional neural networks generally perform well in underwater object recognition tasks on both optical and sonar images. Many such methods require hundreds, if not thousands, of images per class to generalize well to unseen…

Computer Vision and Pattern Recognition · Computer Science 2020-10-27 Mateusz Ochal , Jose Vazquez , Yvan Petillot , Sen Wang

Few-shot image classification aims to classify unseen classes with limited labelled samples. Recent works benefit from the meta-learning process with episodic tasks and can fast adapt to class from training to testing. Due to the limited…

Computer Vision and Pattern Recognition · Computer Science 2021-02-24 Da Chen , Yuefeng Chen , Yuhong Li , Feng Mao , Yuan He , Hui Xue

This paper introduces the task of few-shot common action localization in time and space. Given a few trimmed support videos containing the same but unknown action, we strive for spatio-temporal localization of that action in a long…

Computer Vision and Pattern Recognition · Computer Science 2021-04-07 Pengwan Yang , Pascal Mettes , Cees G. M. Snoek

With the rapid advancements in wireless communication technology, automatic modulation recognition (AMR) plays a critical role in ensuring communication security and reliability. However, numerous challenges, including higher performance…

Machine Learning · Computer Science 2025-02-27 Dongwei Xu , Yutao Zhu , Yao Lu , Youpeng Feng , Yun Lin , Qi Xuan