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Related papers: Contrastive Meta-Learning for Few-shot Node Classi…

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Few-shot Learning (FSL), which endeavors to develop the generalization ability for recognizing novel classes using only a few images, faces significant challenges due to data scarcity. Recent CLIP-like methods based on contrastive…

Computer Vision and Pattern Recognition · Computer Science 2025-07-30 Wei Zhuo , Runjie Luo , Wufeng Xue , Linlin Shen

Graphs are pervasive in the real-world, such as social network analysis, bioinformatics, and knowledge graphs. Graph neural networks (GNNs) have great ability in node classification, a fundamental task on graphs. Unfortunately, conventional…

Machine Learning · Computer Science 2024-09-05 Quan Li , Tianxiang Zhao , Lingwei Chen , Junjie Xu , Suhang Wang

Meta-learning aims at learning quickly on novel tasks with limited data by transferring generic experience learned from previous tasks. Naturally, few-shot learning has been one of the most popular applications for meta-learning. However,…

Computer Vision and Pattern Recognition · Computer Science 2021-02-23 Yudong Chen , Chaoyu Guan , Zhikun Wei , Xin Wang , Wenwu Zhu

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

Node classification is a fundamental graph-based task that aims to predict the classes of unlabeled nodes, for which Graph Neural Networks (GNNs) are the state-of-the-art methods. Current GNNs assume that nodes in the training set…

Machine Learning · Computer Science 2023-01-02 Xiaowen Wei , Xiuwen Gong , Yibing Zhan , Bo Du , Yong Luo , Wenbin Hu

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

While graph neural networks (GNNs) have become the de-facto standard for graph-based node classification, they impose a strong assumption on the availability of sufficient labeled samples. This assumption restricts the classification…

Machine Learning · Computer Science 2025-02-06 Zhenzhong Wang , Qingyuan Zeng , Wanyu Lin , Min Jiang , Kay Chen Tan

In this article, we consider the problem of few-shot learning for classification. We assume a network trained for base categories with a large number of training examples, and we aim to add novel categories to it that have only a few, e.g.,…

Machine Learning · Computer Science 2020-03-23 Hong-Gyu Jung , Seong-Whan Lee

Single image-level annotations only correctly describe an often small subset of an image's content, particularly when complex real-world scenes are depicted. While this might be acceptable in many classification scenarios, it poses a…

Computer Vision and Pattern Recognition · Computer Science 2022-10-18 Markus Hiller , Rongkai Ma , Mehrtash Harandi , Tom Drummond

Although few-shot learning research has advanced rapidly with the help of meta-learning, its practical usefulness is still limited because most of them assumed that all meta-training and meta-testing examples came from a single domain. We…

Machine Learning · Computer Science 2020-09-18 Yongseok Choi , Junyoung Park , Subin Yi , Dong-Yeon Cho

Graph-based semi-supervised learning has been shown to be one of the most effective approaches for classification tasks from a wide range of domains, such as image classification and text classification, as they can exploit the connectivity…

Computer Vision and Pattern Recognition · Computer Science 2020-04-09 Wanyu Lin , Zhaolin Gao , Baochun Li

Few-shot object detection has been extensively investigated by incorporating meta-learning into region-based detection frameworks. Despite its success, the said paradigm is still constrained by several factors, such as (i) low-quality…

Computer Vision and Pattern Recognition · Computer Science 2022-08-02 Gongjie Zhang , Zhipeng Luo , Kaiwen Cui , Shijian Lu , Eric P. Xing

Node classification in real world graphs often suffers from label scarcity and noise, especially in high stakes domains like human trafficking detection and misinformation monitoring. While direct supervision is limited, such graphs…

Machine Learning · Computer Science 2025-06-04 Pratheeksha Nair , Reihaneh Rabbany

Open-set node classification (OSNC) allows unlabeled test data to contain novel classes previously unseen in the labeled data. The goal is to classify in-distribution (ID) nodes into corresponding known classes and reject…

Social and Information Networks · Computer Science 2026-03-24 Junwei Gong , Xiao Shen , Zhihao Chen , Shirui Pan , Xiao Wang , Xi Zhou

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

In this work we consider the problem of learning a classifier from noisy labels when a few clean labeled examples are given. The structure of clean and noisy data is modeled by a graph per class and Graph Convolutional Networks (GCN) are…

Computer Vision and Pattern Recognition · Computer Science 2020-08-26 Ahmet Iscen , Giorgos Tolias , Yannis Avrithis , Ondrej Chum , Cordelia Schmid

Class imbalance is pervasive in real-world graph datasets, where the majority of annotated nodes belong to a small set of classes (majority classes), leaving many other classes (minority classes) with only a handful of labeled nodes. Graph…

Machine Learning · Computer Science 2024-12-31 Abdullah Alchihabi , Hao Yan , Yuhong Guo

Graphs are powerful representations for relations among objects, which have attracted plenty of attention. A fundamental challenge for graph learning is how to train an effective Graph Neural Network (GNN) encoder without labels, which are…

Machine Learning · Computer Science 2022-10-19 Baoyu Jing , Shengyu Feng , Yuejia Xiang , Xi Chen , Yu Chen , Hanghang Tong

The success of deep learning methods hinges on the availability of large training datasets annotated for the task of interest. In contrast to human intelligence, these methods lack versatility and struggle to learn and adapt quickly to new…

Computation and Language · Computer Science 2020-10-13 Nithin Holla , Pushkar Mishra , Helen Yannakoudakis , Ekaterina Shutova

In visual recognition tasks, few-shot learning requires the ability to learn object categories with few support examples. Its re-popularity in light of the deep learning development is mainly in image classification. This work focuses on…

Computer Vision and Pattern Recognition · Computer Science 2022-07-29 Miao Zhang , Miaojing Shi , Li Li