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Unsupervised learning is a challenging task due to the lack of labels. Multiple Object Tracking (MOT), which inevitably suffers from mutual object interference, occlusion, etc., is even more difficult without label supervision. In this…

Computer Vision and Pattern Recognition · Computer Science 2023-09-06 Sha Meng , Dian Shao , Jiacheng Guo , Shan Gao

Cross-domain few-shot hyperspectral image classification focuses on learning prior knowledge from a large number of labeled samples from source domains and then transferring the knowledge to the tasks which contain few labeled samples in…

Computer Vision and Pattern Recognition · Computer Science 2023-12-27 Chun Liu , Longwei Yang , Zheng Li , Wei Yang , Zhigang Han , Jianzhong Guo , Junyong Yu

Contrastive learning and self-supervised techniques have gained prevalence in computer vision for the past few years. It is essential for medical image analysis, which is often notorious for its lack of annotations. Most existing…

Image and Video Processing · Electrical Eng. & Systems 2022-03-07 Jun Li , Quan Quan , S. Kevin Zhou

Most existing few-shot learning (FSL) methods require a large amount of labeled data in meta-training, which is a major limit. To reduce the requirement of labels, a semi-supervised meta-training (SSMT) setting has been proposed for FSL,…

Computer Vision and Pattern Recognition · Computer Science 2025-05-20 Xingping Dong , Tianran Ouyang , Shengcai Liao , Bo Du , Ling Shao

Semi-supervised learning acts as an effective way to leverage massive unlabeled data. In this paper, we propose a novel training strategy, termed as Semi-supervised Contrastive Learning (SsCL), which combines the well-known contrastive loss…

Computer Vision and Pattern Recognition · Computer Science 2021-05-18 Yuhang Zhang , Xiaopeng Zhang , Robert. C. Qiu , Jie Li , Haohang Xu , Qi Tian

Although few-shot learning and one-class classification (OCC), i.e., learning a binary classifier with data from only one class, have been separately well studied, their intersection remains rather unexplored. Our work addresses the…

Machine Learning · Computer Science 2021-02-12 Ahmed Frikha , Denis Krompaß , Hans-Georg Köpken , Volker Tresp

Recognizing multiple objects in an image is challenging due to occlusions, and becomes even more so when the objects are small. While promising, existing multi-label image recognition models do not explicitly learn context-based…

Computer Vision and Pattern Recognition · Computer Science 2023-10-31 Hasib Zunair , A. Ben Hamza

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

Meta-learning has been the most common framework for few-shot learning in recent years. It learns the model from collections of few-shot classification tasks, which is believed to have a key advantage of making the training objective…

Computer Vision and Pattern Recognition · Computer Science 2021-08-20 Yinbo Chen , Zhuang Liu , Huijuan Xu , Trevor Darrell , Xiaolong Wang

Few-Shot Learning is the challenge of training a model with only a small amount of data. Many solutions to this problem use meta-learning algorithms, i.e. algorithms that learn to learn. By sampling few-shot tasks from a larger dataset, we…

Computer Vision and Pattern Recognition · Computer Science 2019-10-01 Etienne Bennequin

Meta-learning is a powerful paradigm for tackling few-shot tasks. However, recent studies indicate that models trained with the whole-class training strategy can achieve comparable performance to those trained with meta-learning in few-shot…

Machine Learning · Computer Science 2025-09-17 Yunchuan Guan , Yu Liu , Ke Zhou , Zhiqi Shen , Jenq-Neng Hwang , Serge Belongie , Lei Li

Few-shot learning (FSL) has emerged as an effective learning method and shows great potential. Despite the recent creative works in tackling FSL tasks, learning valid information rapidly from just a few or even zero samples still remains a…

Machine Learning · Computer Science 2022-05-25 Yisheng Song , Ting Wang , Subrota K Mondal , Jyoti Prakash Sahoo

An important goal of self-supervised learning is to enable model pre-training to benefit from almost unlimited data. However, one method that has recently become popular, namely masked image modeling (MIM), is suspected to be unable to…

Computer Vision and Pattern Recognition · Computer Science 2022-06-10 Zhenda Xie , Zheng Zhang , Yue Cao , Yutong Lin , Yixuan Wei , Qi Dai , Han Hu

Few-shot learning (FSL) is the task of learning to recognize previously unseen categories of images from a small number of training examples. This is a challenging task, as the available examples may not be enough to unambiguously determine…

Computer Vision and Pattern Recognition · Computer Science 2021-05-24 Kun Yan , Zied Bouraoui , Ping Wang , Shoaib Jameel , Steven Schockaert

Multimodal contrastive learning (MCL) has shown remarkable advances in zero-shot classification by learning from millions of image-caption pairs crawled from the Internet. However, this reliance poses privacy risks, as hackers may…

Multimedia · Computer Science 2024-07-29 Xinwei Liu , Xiaojun Jia , Yuan Xun , Siyuan Liang , Xiaochun Cao

Few-Shot Learning (FSL) aims to improve a model's generalization capability in low data regimes. Recent FSL works have made steady progress via metric learning, meta learning, representation learning, etc. However, FSL remains challenging…

Computer Vision and Pattern Recognition · Computer Science 2020-11-23 Meng Ye , Xiao Lin , Giedrius Burachas , Ajay Divakaran , Yi Yao

Even with the luxury of having abundant data, multi-label classification is widely known to be a challenging task to address. This work targets the problem of multi-label meta-learning, where a model learns to predict multiple labels within…

Computer Vision and Pattern Recognition · Computer Science 2021-10-27 Christian Simon , Piotr Koniusz , Mehrtash Harandi

In recent literature, few-shot classification has predominantly been defined by the N-way k-shot meta-learning problem. Models designed for this purpose are usually trained to excel on standard benchmarks following a restricted setup,…

Computer Vision and Pattern Recognition · Computer Science 2024-05-21 Constance Ferragu , Philomene Chagniot , Vincent Coyette

We present a comparative study on how and why contrastive learning (CL) and masked image modeling (MIM) differ in their representations and in their performance of downstream tasks. In particular, we demonstrate that self-supervised Vision…

Computer Vision and Pattern Recognition · Computer Science 2023-05-02 Namuk Park , Wonjae Kim , Byeongho Heo , Taekyung Kim , Sangdoo Yun

Deep networks can learn to accurately recognize objects of a category by training on a large number of annotated images. However, a meta-learning challenge known as a low-shot image recognition task comes when only a few images with…

Computer Vision and Pattern Recognition · Computer Science 2021-01-14 Mengting Chen , Xinggang Wang , Heng Luo , Yifeng Geng , Wenyu Liu