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Model-Agnostic Meta-Learning (MAML) and its variants have achieved success in meta-learning tasks on many datasets and settings. On the other hand, we have just started to understand and analyze how they are able to adapt fast to new tasks.…

机器学习 · 计算机科学 2021-01-26 Sébastien M. R. Arnold , Shariq Iqbal , Fei Sha

Meta learning is a promising solution to few-shot learning problems. However, existing meta learning methods are restricted to the scenarios where training and application tasks share the same out-put structure. To obtain a meta model…

机器学习 · 计算机科学 2019-04-22 Yingtian Zou , Jiashi Feng

Model agnostic meta-learning (MAML) is one of the most widely used gradient-based meta-learning, consisting of two optimization loops: an inner loop and outer loop. MAML learns the new task from meta-initialization parameters with an inner…

机器学习 · 计算机科学 2024-06-10 Jongyun Shin , Seunjin Han , Jangho Kim

We propose a new computationally-efficient first-order algorithm for Model-Agnostic Meta-Learning (MAML). The key enabling technique is to interpret MAML as a bilevel optimization (BLO) problem and leverage the sign-based SGD(signSGD) as a…

机器学习 · 计算机科学 2021-12-22 Chen Fan , Parikshit Ram , Sijia Liu

The performance of gradient-based optimization strategies depends heavily on the initial weights of the parametric model. Recent works show that there exist weight initializations from which optimization procedures can find the…

机器学习 · 计算机科学 2020-01-23 Rafael Rego Drumond , Lukas Brinkmeyer , Josif Grabocka , Lars Schmidt-Thieme

Despite its popularity, several recent works question the effectiveness of MAML when test tasks are different from training tasks, thus suggesting various task-conditioned methodology to improve the initialization. Instead of searching for…

机器学习 · 计算机科学 2020-12-09 Sungyong Baik , Myungsub Choi , Janghoon Choi , Heewon Kim , Kyoung Mu Lee

Model-agnostic meta-learning (MAML) and its variants have become popular approaches for few-shot learning. However, due to the non-convexity of deep neural nets (DNNs) and the bi-level formulation of MAML, the theoretical properties of MAML…

机器学习 · 计算机科学 2022-03-18 Haoxiang Wang , Yite Wang , Ruoyu Sun , Bo Li

Meta-reinforcement learning (meta-RL) aims to learn from multiple training tasks the ability to adapt efficiently to unseen test tasks. Despite the success, existing meta-RL algorithms are known to be sensitive to the task distribution…

机器学习 · 计算机科学 2021-03-02 Zichuan Lin , Garrett Thomas , Guangwen Yang , Tengyu Ma

Natural language understanding(NLU) is challenging for finance due to the lack of annotated data and the specialized language in that domain. As a result, researchers have proposed to use pre-trained language model and multi-task learning…

计算与语言 · 计算机科学 2023-03-28 Bixing Yan , Shaoling Chen , Yuxuan He , Zhihan Li

Meta-learning enables a model to learn from very limited data to undertake a new task. In this paper, we study the general meta-learning with adversarial samples. We present a meta-learning algorithm, ADML (ADversarial Meta-Learner), which…

机器学习 · 计算机科学 2020-06-23 Chengxiang Yin , Jian Tang , Zhiyuan Xu , Yanzhi Wang

The use of meta-learning and transfer learning in the task of few-shot image classification is a well researched area with many papers showcasing the advantages of transfer learning over meta-learning in cases where data is plentiful and…

计算机视觉与模式识别 · 计算机科学 2021-05-10 Joshua Ball

We propose an algorithm for meta-learning that is model-agnostic, in the sense that it is compatible with any model trained with gradient descent and applicable to a variety of different learning problems, including classification,…

机器学习 · 计算机科学 2017-07-19 Chelsea Finn , Pieter Abbeel , Sergey Levine

Meta-learning has been proposed as a framework to address the challenging few-shot learning setting. The key idea is to leverage a large number of similar few-shot tasks in order to learn how to adapt a base-learner to a new task for which…

计算机视觉与模式识别 · 计算机科学 2019-10-10 Qianru Sun , Yaoyao Liu , Zhaozheng Chen , Tat-Seng Chua , Bernt Schiele

By searching for shared inductive biases across tasks, meta-learning promises to accelerate learning on novel tasks, but with the cost of solving a complex bilevel optimization problem. We introduce and rigorously define the trade-off…

机器学习 · 计算机科学 2021-04-15 Katelyn Gao , Ozan Sener

Model-agnostic meta-learning (MAML) has been recently put forth as a strategy to learn resource-poor languages in a sample-efficient fashion. Nevertheless, the properties of these languages are often not well represented by those available…

计算与语言 · 计算机科学 2021-06-03 Edoardo Maria Ponti , Rahul Aralikatte , Disha Shrivastava , Siva Reddy , Anders Søgaard

Meta-learning, which pursues an effective initialization model, has emerged as a promising approach to handling unseen tasks. However, a limitation remains to be evident when a meta-learner tries to encompass a wide range of task…

机器学习 · 计算机科学 2024-03-12 Jae-Jun Lee , Sung Whan Yoon

To accelerate learning process with few samples, meta-learning resorts to prior knowledge from previous tasks. However, the inconsistent task distribution and heterogeneity is hard to be handled through a global sharing model…

机器学习 · 计算机科学 2022-06-22 Geng Li , Boyuan Ren , Hongzhi Wang

Multi-task learning (MTL) aims to improve the generalization of several related tasks by learning them jointly. As a comparison, in addition to the joint training scheme, modern meta-learning allows unseen tasks with limited labels during…

机器学习 · 计算机科学 2021-06-17 Haoxiang Wang , Han Zhao , Bo Li

The continual learning problem involves training models with limited capacity to perform well on a set of an unknown number of sequentially arriving tasks. While meta-learning shows great potential for reducing interference between old and…

机器学习 · 计算机科学 2020-11-13 Gunshi Gupta , Karmesh Yadav , Liam Paull

The significant amount of training data required for training Convolutional Neural Networks has become a bottleneck for applications like semantic segmentation. Few-shot semantic segmentation algorithms address this problem, with an aim to…

计算机视觉与模式识别 · 计算机科学 2020-09-16 Ayyappa Kumar Pambala , Titir Dutta , Soma Biswas