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Prevailing deep graph learning models often suffer from label sparsity issue. Although many graph few-shot learning (GFL) methods have been developed to avoid performance degradation in face of limited annotated data, they excessively rely…

机器学习 · 计算机科学 2022-10-04 Chunhui Zhang , Hongfu Liu , Jundong Li , Yanfang Ye , Chuxu Zhang

Graph few-shot learning, which aims to classify nodes from novel classes with only a few labeled examples, is a widely studied problem in graph learning. However, existing methods often face two key limitations. First, the predominant graph…

人工智能 · 计算机科学 2026-05-26 Renchu Guan , Yajun Wang , Chunli Guo , Bowen Cao , Fausto Giunchiglia , Wei Pang , Yonghao Liu , Xiaoyue Feng

Distance-based classification is frequently used in transductive few-shot learning (FSL). However, due to the high-dimensionality of image representations, FSL classifiers are prone to suffer from the hubness problem, where a few points…

计算机视觉与模式识别 · 计算机科学 2023-03-17 Daniel J. Trosten , Rwiddhi Chakraborty , Sigurd Løkse , Kristoffer Knutsen Wickstrøm , Robert Jenssen , Michael C. Kampffmeyer

In few-shot classification, we are interested in learning algorithms that train a classifier from only a handful of labeled examples. Recent progress in few-shot classification has featured meta-learning, in which a parameterized model for…

We uncover an ever-overlooked deficiency in the prevailing Few-Shot Learning (FSL) methods: the pre-trained knowledge is indeed a confounder that limits the performance. This finding is rooted from our causal assumption: a Structural Causal…

机器学习 · 计算机科学 2020-12-07 Zhongqi Yue , Hanwang Zhang , Qianru Sun , Xian-Sheng Hua

Few-shot learning has been extensively explored to address problems where the amount of labeled samples is very limited for some classes. In the semi-supervised few-shot learning setting, substantial quantities of unlabeled samples are…

计算机视觉与模式识别 · 计算机科学 2025-12-16 Souvik Maji , Rhythm Baghel , Pratik Mazumder

Given base classes with sufficient labeled samples, the target of few-shot classification is to recognize unlabeled samples of novel classes with only a few labeled samples. Most existing methods only pay attention to the relationship…

计算机视觉与模式识别 · 计算机科学 2020-08-11 Zeyuan Wang , Yifan Zhao , Jia Li , Yonghong Tian

Few-shot learning on heterogeneous graphs (FLHG) is attracting more attention from both academia and industry because prevailing studies on heterogeneous graphs often suffer from label sparsity. FLHG aims to tackle the performance…

机器学习 · 计算机科学 2024-03-22 Pengfei Ding , Yan Wang , Guanfeng Liu

Few-shot classification aims to carry out classification given only few labeled examples for the categories of interest. Though several approaches have been proposed, most existing few-shot learning (FSL) models assume that base and novel…

计算机视觉与模式识别 · 计算机科学 2021-12-28 Yuan-Chia Cheng , Ci-Siang Lin , Fu-En Yang , Yu-Chiang Frank Wang

Although Graph Neural Networks (GNNs) have been successful in node classification tasks, their performance heavily relies on the availability of a sufficient number of labeled nodes per class. In real-world situations, not all classes have…

机器学习 · 计算机科学 2023-06-27 Sungwon Kim , Junseok Lee , Namkyeong Lee , Wonjoong Kim , Seungyoon Choi , Chanyoung Park

Prototypical network for Few shot learning tries to learn an embedding function in the encoder that embeds images with similar features close to one another in the embedding space. However, in this process, the support set samples for a…

计算机视觉与模式识别 · 计算机科学 2022-11-23 Manas Gogoi , Sambhavi Tiwari , Shekhar Verma

As an important and challenging problem in computer vision, zero-shot learning (ZSL) aims at automatically recognizing the instances from unseen object classes without training data. To address this problem, ZSL is usually carried out in…

计算机视觉与模式识别 · 计算机科学 2017-03-28 Yunlong Yu , Zhong Ji , Xi Li , Jichang Guo , Zhongfei Zhang , Haibin Ling , Fei Wu

Transductive few-shot learning algorithms have showed substantially superior performance over their inductive counterparts by leveraging the unlabeled queries. However, the vast majority of such methods are evaluated on perfectly…

计算机视觉与模式识别 · 计算机科学 2023-04-28 Michalis Lazarou , Yannis Avrithis , Tania Stathaki

In Few-Shot Learning (FSL), models are trained to recognise unseen objects from a query set, given a few labelled examples from a support set. In standard FSL, models are evaluated on query instances sampled from the same class distribution…

计算机视觉与模式识别 · 计算机科学 2024-08-06 Mateusz Ochal , Massimiliano Patacchiola , Malik Boudiaf , Sen Wang

Few-shot relation extraction aims to learn to identify the relation between two entities based on very limited training examples. Recent efforts found that textual labels (i.e., relation names and relation descriptions) could be extremely…

计算与语言 · 计算机科学 2022-10-26 Peiyuan Zhang , Wei Lu

Few-shot learning aims at recognizing new instances from classes with limited samples. This challenging task is usually alleviated by performing meta-learning on similar tasks. However, the resulting models are black-boxes. There has been…

机器学习 · 计算机科学 2022-03-01 Mohammad Reza Zarei , Majid Komeili

Few-shot learning often involves metric learning-based classifiers, which predict the image label by comparing the distance between the extracted feature vector and class representations. However, applying global pooling in the backend of…

计算机视觉与模式识别 · 计算机科学 2021-05-26 Inyong Koo , Minki Jeong , Changick Kim

Deep learning models have become the mainstream method for medical image segmentation, but they require a large manually labeled dataset for training and are difficult to extend to unseen categories. Few-shot segmentation(FSS) has the…

图像与视频处理 · 电气工程与系统科学 2023-07-27 Yao Huang , Jianming Liu

Few-shot classification aims to recognize unlabeled samples from unseen classes given only few labeled samples. The unseen classes and low-data problem make few-shot classification very challenging. Many existing approaches extracted…

计算机视觉与模式识别 · 计算机科学 2019-10-18 Ruibing Hou , Hong Chang , Bingpeng Ma , Shiguang Shan , Xilin Chen

Few-shot learning aims to train a classifier that can generalize well when just a small number of labeled examples per class are given. We introduce a transductive maximum margin classifier for few-shot learning (FS-TMMC). The basic idea of…

计算机视觉与模式识别 · 计算机科学 2021-10-29 Fei Pan , Chunlei Xu , Jie Guo , Yanwen Guo