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The ability to learn new concepts with small amounts of data is a critical aspect of intelligence that has proven challenging for deep learning methods. Meta-learning has emerged as a promising technique for leveraging data from previous…

机器学习 · 计算机科学 2020-04-29 Mingzhang Yin , George Tucker , Mingyuan Zhou , Sergey Levine , Chelsea Finn

One of the most significant challenges facing a few-shot learning task is the generalizability of the (meta-)model from the base to the novel categories. Most of existing few-shot learning models attempt to address this challenge by either…

计算机视觉与模式识别 · 计算机科学 2020-01-01 Haohang Xu , Hongkai Xiong , Guojun Qi

We propose a method that can perform one-class classification given only a small number of examples from the target class and none from the others. We formulate the learning of meaningful features for one-class classification as a…

计算机视觉与模式识别 · 计算机科学 2021-04-26 Gabriel Dahia , Maurício Pamplona Segundo

Learning a new task from a handful of examples remains an open challenge in machine learning. Despite the recent progress in few-shot learning, most methods rely on supervised pretraining or meta-learning on labeled meta-training data and…

机器学习 · 计算机科学 2022-10-10 Kuilin Chen , Chi-Guhn Lee

We address the task of weakly-supervised few-shot image classification and segmentation, by leveraging a Vision Transformer (ViT) pretrained with self-supervision. Our proposed method takes token representations from the self-supervised ViT…

计算机视觉与模式识别 · 计算机科学 2023-07-10 Dahyun Kang , Piotr Koniusz , Minsu Cho , Naila Murray

In this paper, we propose to tackle the challenging few-shot learning (FSL) problem by learning global class representations using both base and novel class training samples. In each training episode, an episodic class mean computed from a…

计算机视觉与模式识别 · 计算机科学 2019-08-15 Tiange Luo , Aoxue Li , Tao Xiang , Weiran Huang , Liwei Wang

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…

计算机视觉与模式识别 · 计算机科学 2021-10-27 Christian Simon , Piotr Koniusz , Mehrtash Harandi

The limited availability of ground truth relevance labels has been a major impediment to the application of supervised methods to ad-hoc retrieval. As a result, unsupervised scoring methods, such as BM25, remain strong competitors to deep…

信息检索 · 计算机科学 2019-07-23 Dany Haddad , Joydeep Ghosh

Few-shot learning (FSL) aims to generate a classifier using limited labeled examples. Many existing works take the meta-learning approach, constructing a few-shot learner that can learn from few-shot examples to generate a classifier.…

计算机视觉与模式识别 · 计算机科学 2022-07-12 Han-Jia Ye , Lu Ming , De-Chuan Zhan , Wei-Lun Chao

Self-training via pseudo labeling is a conventional, simple, and popular pipeline to leverage unlabeled data. In this work, we first construct a strong baseline of self-training (namely ST) for semi-supervised semantic segmentation via…

计算机视觉与模式识别 · 计算机科学 2022-03-04 Lihe Yang , Wei Zhuo , Lei Qi , Yinghuan Shi , Yang Gao

State-of-the-art semantic segmentation methods require sufficient labeled data to achieve good results and hardly work on unseen classes without fine-tuning. Few-shot segmentation is thus proposed to tackle this problem by learning a model…

计算机视觉与模式识别 · 计算机科学 2020-08-05 Zhuotao Tian , Hengshuang Zhao , Michelle Shu , Zhicheng Yang , Ruiyu Li , Jiaya Jia

We present a technique to improve the transferability of deep representations learned on small labeled datasets by introducing self-supervised tasks as auxiliary loss functions. While recent approaches for self-supervised learning have…

计算机视觉与模式识别 · 计算机科学 2019-06-18 Jong-Chyi Su , Subhransu Maji , Bharath Hariharan

Graph representation learning, a critical step in graph-centric tasks, has seen significant advancements. Earlier techniques often operate in an end-to-end setting, which heavily rely on the availability of ample labeled data. This…

机器学习 · 计算机科学 2024-09-23 Xingtong Yu , Yuan Fang , Zemin Liu , Yuxia Wu , Zhihao Wen , Jianyuan Bo , Xinming Zhang , Steven C. H. Hoi

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…

计算机视觉与模式识别 · 计算机科学 2020-03-17 Moshe Lichtenstein , Prasanna Sattigeri , Rogerio Feris , Raja Giryes , Leonid Karlinsky

Few-shot models aim at making predictions using a minimal number of labeled examples from a given task. The main challenge in this area is the one-shot setting where only one element represents each class. We propose HyperShot - the fusion…

Few-shot segmentation performance declines substantially when facing images from a domain different than the training domain, effectively limiting real-world use cases. To alleviate this, recently cross-domain few-shot segmentation (CD-FSS)…

计算机视觉与模式识别 · 计算机科学 2024-05-20 Jonas Herzog

Learning representations for pixel-based control has garnered significant attention recently in reinforcement learning. A wide range of methods have been proposed to enable efficient learning, leading to sample complexities similar to those…

机器学习 · 计算机科学 2021-11-16 Manan Tomar , Utkarsh A. Mishra , Amy Zhang , Matthew E. Taylor

Recent progress has shown that few-shot learning can be improved with access to unlabelled data, known as semi-supervised few-shot learning(SS-FSL). We introduce an SS-FSL approach, dubbed as Prototypical Random Walk Networks(PRWN), built…

机器学习 · 计算机科学 2021-02-10 Ahmed Ayyad , Yuchen Li , Nassir Navab , Shadi Albarqouni , Mohamed Elhoseiny

One paradigm for learning from few labeled examples while making best use of a large amount of unlabeled data is unsupervised pretraining followed by supervised fine-tuning. Although this paradigm uses unlabeled data in a task-agnostic way,…

机器学习 · 计算机科学 2020-10-27 Ting Chen , Simon Kornblith , Kevin Swersky , Mohammad Norouzi , Geoffrey Hinton

The conventional few-shot classification aims at learning a model on a large labeled base dataset and rapidly adapting to a target dataset that is from the same distribution as the base dataset. However, in practice, the base and the target…

计算机视觉与模式识别 · 计算机科学 2023-11-07 Hao Zheng , Runqi Wang , Jianzhuang Liu , Asako Kanezaki