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We propose a few-shot learning method for unsupervised feature selection, which is a task to select a subset of relevant features in unlabeled data. Existing methods usually require many instances for feature selection. However, sufficient…

机器学习 · 计算机科学 2021-07-05 Atsutoshi Kumagai , Tomoharu Iwata , Yasuhiro Fujiwara

Few-shot learning is a challenging task since only few instances are given for recognizing an unseen class. One way to alleviate this problem is to acquire a strong inductive bias via meta-learning on similar tasks. In this paper, we show…

计算机视觉与模式识别 · 计算机科学 2021-05-26 Wentao Chen , Chenyang Si , Wei Wang , Liang Wang , Zilei Wang , Tieniu Tan

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

Few-shot class-incremental learning (FSCIL) presents the primary challenge of balancing underfitting to a new session's task and forgetting the tasks from previous sessions. To address this challenge, we develop a simple yet powerful…

计算机视觉与模式识别 · 计算机科学 2023-05-29 In-Ug Yoon , Tae-Min Choi , Young-Min Kim , Jong-Hwan Kim

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…

计算机视觉与模式识别 · 计算机科学 2020-04-06 Yikai Wang , Chengming Xu , Chen Liu , Li Zhang , Yanwei Fu

Few-shot learning has been studied to adapt models to tasks with very few samples. It holds profound significance, particularly in clinical tasks, due to the high annotation cost of medical images. Several works have explored few-shot…

计算机视觉与模式识别 · 计算机科学 2024-02-06 Kaipeng Zheng , Weiran Huang , Lichao Sun

In recent years, researchers pay growing attention to the few-shot learning (FSL) task to address the data-scarce problem. A standard FSL framework is composed of two components: i) Pre-train. Employ the base data to generate a CNN-based…

计算机视觉与模式识别 · 计算机科学 2021-12-06 Shuai Shao , Lei Xing , Rui Xu , Weifeng Liu , Yan-Jiang Wang , Bao-Di Liu

Due to the advantages of leveraging unlabeled data and learning meaningful representations, semi-supervised learning and contrastive learning have been progressively combined to achieve better performances in popular applications with few…

计算机视觉与模式识别 · 计算机科学 2023-12-27 Bowen Tao , Lan Li , Xin-Chun Li , De-Chuan Zhan

Most existing text recognition methods are trained on large-scale synthetic datasets due to the scarcity of labeled real-world datasets. Synthetic images, however, cannot faithfully reproduce real-world scenarios, such as uneven…

计算机视觉与模式识别 · 计算机科学 2025-05-13 Zhengmi Tang , Yuto Mitsui , Tomo Miyazaki , Shinichiro Omachi

Few-shot learning is a central problem in meta-learning, where learners must quickly adapt to new tasks given limited training data. Recently, feature pre-training has become a ubiquitous component in state-of-the-art meta-learning methods…

机器学习 · 计算机科学 2021-10-28 Ruohan Wang , Massimiliano Pontil , Carlo Ciliberto

Meta-learning approaches have been proposed to tackle the few-shot learning problem.Typically, a meta-learner is trained on a variety of tasks in the hopes of being generalizable to new tasks. However, the generalizability on new tasks of a…

机器学习 · 计算机科学 2018-05-22 Muhammad Abdullah Jamal , Guo-Jun Qi , Mubarak Shah

Metric-based meta-learning techniques have successfully been applied to few-shot classification problems. In this paper, we propose to leverage cross-modal information to enhance metric-based few-shot learning methods. Visual and semantic…

机器学习 · 计算机科学 2020-02-19 Chen Xing , Negar Rostamzadeh , Boris N. Oreshkin , Pedro O. Pinheiro

Few-shot learning is a relatively new technique that specializes in problems where we have little amounts of data. The goal of these methods is to classify categories that have not been seen before with just a handful of samples. Recent…

The lack of annotated medical images limits the performance of deep learning models, which usually need large-scale labelled datasets. Few-shot learning techniques can reduce data scarcity issues and enhance medical image analysis,…

计算机视觉与模式识别 · 计算机科学 2024-06-25 Eva Pachetti , Sara Colantonio

Few-shot class-incremental learning (FSCIL) aims to adapt the model to new classes from very few data (5 samples) without forgetting the previously learned classes. Recent works in many-shot CIL (MSCIL) (using all available training data)…

计算机视觉与模式识别 · 计算机科学 2024-04-11 Dipam Goswami , Bartłomiej Twardowski , Joost van de Weijer

Foundation Vision-Language Models (VLMs) like CLIP exhibit strong generalization capabilities due to large-scale pretraining on diverse image-text pairs. However, their performance often degrades when applied to target datasets with…

计算机视觉与模式识别 · 计算机科学 2025-08-13 Debarshi Brahma , Soma Biswas

Most previous approaches for analyzing food images have relied on extensively annotated datasets, resulting in significant human labeling expenses due to the varied and intricate nature of such images. Inspired by the effectiveness of…

计算机视觉与模式识别 · 计算机科学 2023-10-10 Xinda Liu , Yaohui Zhu , Linhu Liu , Jiang Tian , Lili Wang

Like masked language modeling (MLM) in natural language processing, masked image modeling (MIM) aims to extract valuable insights from image patches to enhance the feature extraction capabilities of the underlying deep neural network (DNN).…

计算机视觉与模式识别 · 计算机科学 2023-11-30 Yixuan Luo , Mengye Ren , Sai Qian Zhang

Background and objective: Employing deep learning models in critical domains such as medical imaging poses challenges associated with the limited availability of training data. We present a strategy for improving the performance and…

计算机视觉与模式识别 · 计算机科学 2024-03-27 Eva Pachetti , Sotirios A. Tsaftaris , Sara Colantonio

We investigate contrastive learning in the federated setting through the lens of SimCLR and multi-view mutual information maximization. In doing so, we uncover a connection between contrastive representation learning and user verification;…

机器学习 · 计算机科学 2024-05-06 Christos Louizos , Matthias Reisser , Denis Korzhenkov