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Few-shot classification refers to learning a classifier for new classes given only a few examples. While a plethora of models have emerged to tackle it, we find the procedure and datasets that are used to assess their progress lacking. To…

Existing few-shot learning (FSL) methods rely on training with a large labeled dataset, which prevents them from leveraging abundant unlabeled data. From an information-theoretic perspective, we propose an effective unsupervised FSL method,…

Computer Vision and Pattern Recognition · Computer Science 2022-07-20 Yuning Lu , Liangjian Wen , Jianzhuang Liu , Yajing Liu , Xinmei Tian

Few-shot learning (FSL) attempts to learn with limited data. In this work, we perform the feature extraction in the Euclidean space and the geodesic distance metric on the Oblique Manifold (OM). Specially, for better feature extraction, we…

Computer Vision and Pattern Recognition · Computer Science 2021-08-10 Guodong Qi , Huimin Yu , Zhaohui Lu , Shuzhao Li

Few-shot segmentation (FSS) aims to segment unseen classes given only a few annotated samples. Existing methods suffer the problem of feature undermining, i.e. potential novel classes are treated as background during training phase. Our…

Computer Vision and Pattern Recognition · Computer Science 2021-09-28 Lihe Yang , Wei Zhuo , Lei Qi , Yinghuan Shi , Yang Gao

We are interested in developing a unified machine learning model over many mobile devices for practical learning tasks, where each device only has very few training data. This is a commonly encountered situation in mobile computing…

Machine Learning · Computer Science 2021-04-02 Chenyou Fan , Jianwei Huang

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…

Image and Video Processing · Electrical Eng. & Systems 2023-07-27 Yao Huang , Jianming Liu

This paper introduces a negative margin loss to metric learning based few-shot learning methods. The negative margin loss significantly outperforms regular softmax loss, and achieves state-of-the-art accuracy on three standard few-shot…

Computer Vision and Pattern Recognition · Computer Science 2020-03-27 Bin Liu , Yue Cao , Yutong Lin , Qi Li , Zheng Zhang , Mingsheng Long , Han Hu

Partial-label learning (PLL) generally focuses on inducing a noise-tolerant multi-class classifier by training on overly-annotated samples, each of which is annotated with a set of labels, but only one is the valid label. A basic promise of…

Computation and Language · Computer Science 2021-06-03 Yunfeng Zhao , Guoxian Yu , Lei Liu , Zhongmin Yan , Lizhen Cui , Carlotta Domeniconi

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…

Computer Vision and Pattern Recognition · Computer Science 2023-04-28 Michalis Lazarou , Yannis Avrithis , Tania Stathaki

Few-shot learning (FSL) is popular due to its ability to adapt to novel classes. Compared with inductive few-shot learning, transductive models typically perform better as they leverage all samples of the query set. The two existing classes…

Computer Vision and Pattern Recognition · Computer Science 2023-04-25 Hao Zhu , Piotr Koniusz

Learning to generate a task-aware base learner proves a promising direction to deal with few-shot learning (FSL) problem. Existing methods mainly focus on generating an embedding model utilized with a fixed metric (eg, cosine distance) for…

Computer Vision and Pattern Recognition · Computer Science 2020-12-04 Lei Zhang , Fei Zhou , Wei Wei , Yanning Zhang

Few-shot learning refers to understanding new concepts from only a few examples. We propose an information retrieval-inspired approach for this problem that is motivated by the increased importance of maximally leveraging all the available…

Machine Learning · Computer Science 2017-11-15 Eleni Triantafillou , Richard Zemel , Raquel Urtasun

Most previous few-shot learning algorithms are based on meta-training with fake few-shot tasks as training samples, where large labeled base classes are required. The trained model is also limited by the type of tasks. In this paper we…

Computer Vision and Pattern Recognition · Computer Science 2020-08-25 Jianyi Li , Guizhong Liu

The field of Few-Shot Learning (FSL), or learning from very few (typically $1$ or $5$) examples per novel class (unseen during training), has received a lot of attention and significant performance advances in the recent literature. While…

Computer Vision and Pattern Recognition · Computer Science 2020-03-17 Moshe Lichtenstein , Prasanna Sattigeri , Rogerio Feris , Raja Giryes , Leonid Karlinsky

Few-shot learning (FSL) methods typically assume clean support sets with accurately labeled samples when training on novel classes. This assumption can often be unrealistic: support sets, no matter how small, can still include mislabeled…

Computer Vision and Pattern Recognition · Computer Science 2022-08-02 Kevin J Liang , Samrudhdhi B. Rangrej , Vladan Petrovic , Tal Hassner

Few-shot learning aims to handle previously unseen tasks using only a small amount of new training data. In preparing (or meta-training) a few-shot learner, however, massive labeled data are necessary. In the real world, unfortunately,…

Machine Learning · Computer Science 2020-03-19 Jun Seo , Sung Whan Yoon , Jaekyun Moon

Recently, few-shot video classification has received an increasing interest. Current approaches mostly focus on effectively exploiting the temporal dimension in videos to improve learning under low data regimes. However, most works have…

Computer Vision and Pattern Recognition · Computer Science 2021-12-16 Andrés Villa , Juan-Manuel Perez-Rua , Victor Escorcia , Vladimir Araujo , Juan Carlos Niebles , Alvaro Soto

Few-shot learning (FSL) is an emergent paradigm of learning that attempts to learn to reason with low sample complexity to mimic the way humans learn, generalise and extrapolate from only a few seen examples. While FSL attempts to mimic…

Machine Learning · Computer Science 2023-12-08 Jaron Mar , Jiamou Liu

Semi-supervised few-shot learning consists in training a classifier to adapt to new tasks with limited labeled data and a fixed quantity of unlabeled data. Many sophisticated methods have been developed to address the challenges this…

Computer Vision and Pattern Recognition · Computer Science 2022-09-29 Xiu-Shen Wei , He-Yang Xu , Faen Zhang , Yuxin Peng , Wei Zhou

Few-shot classification (FSC) is challenging due to the scarcity of labeled training data (e.g. only one labeled data point per class). Meta-learning has shown to achieve promising results by learning to initialize a classification model…

Computer Vision and Pattern Recognition · Computer Science 2019-10-01 Xinzhe Li , Qianru Sun , Yaoyao Liu , Shibao Zheng , Qin Zhou , Tat-Seng Chua , Bernt Schiele