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Meta-Reinforcement Learning (Meta-RL) aims to acquire meta-knowledge for quick adaptation to diverse tasks. However, applying these policies in real-world environments presents a significant challenge in balancing rapid adaptability with…

机器学习 · 计算机科学 2024-06-21 Karam Daaboul , Florian Kuhm , Tim Joseph , J. Marius Zoellner

Model-agnostic meta-learning (MAML) is arguably one of the most popular meta-learning algorithms nowadays. Nevertheless, its performance on few-shot classification is far behind many recent algorithms dedicated to the problem. In this…

机器学习 · 计算机科学 2022-07-12 Han-Jia Ye , Wei-Lun Chao

DL-based automatic modulation classification (AMC) models are highly susceptible to adversarial attacks, where even minimal input perturbations can cause severe misclassifications. While adversarially training an AMC model based on an…

机器学习 · 计算机科学 2025-01-06 Amirmohammad Bamdad , Ali Owfi , Fatemeh Afghah

The aim of Few-Shot learning methods is to train models which can easily adapt to previously unseen tasks, based on small amounts of data. One of the most popular and elegant Few-Shot learning approaches is Model-Agnostic Meta-Learning…

机器学习 · 计算机科学 2024-07-09 M. Przewięźlikowski , P. Przybysz , J. Tabor , M. Zięba , P. Spurek

Meta-learning algorithms enable rapid adaptation to new tasks with minimal data, a critical capability for real-world robotic systems. This paper evaluates Model-Agnostic Meta-Learning (MAML) combined with Trust Region Policy Optimization…

机器人学 · 计算机科学 2025-11-18 Sanjar Atamuradov

Meta-learning has emerged as an important framework for learning new tasks from just a few examples. The success of any meta-learning model depends on (i) its fast adaptation to new tasks, as well as (ii) having a shared representation…

机器学习 · 计算机科学 2019-10-21 Daniel Jiwoong Im , Yibo Jiang , Nakul Verma

In this paper, we introduce a discrete variant of the meta-learning framework. Meta-learning aims at exploiting prior experience and data to improve performance on future tasks. By now, there exist numerous formulations for meta-learning in…

机器学习 · 计算机科学 2021-01-12 Arman Adibi , Aryan Mokhtari , Hamed Hassani

Gradient-based meta-learners such as MAML are able to learn a meta-prior from similar tasks to adapt to novel tasks from the same distribution with few gradient updates. One important limitation of such frameworks is that they seek a common…

机器学习 · 计算机科学 2018-12-19 Risto Vuorio , Shao-Hua Sun , Hexiang Hu , Joseph J. Lim

As a popular meta-learning approach, the model-agnostic meta-learning (MAML) algorithm has been widely used due to its simplicity and effectiveness. However, the convergence of the general multi-step MAML still remains unexplored. In this…

机器学习 · 计算机科学 2020-07-14 Kaiyi Ji , Junjie Yang , Yingbin Liang

In recent years, model-agnostic meta-learning (MAML) has become a popular research area. However, the stochastic optimization of MAML is still underdeveloped. Existing MAML algorithms rely on the ``episode'' idea by sampling a few tasks and…

机器学习 · 计算机科学 2023-04-26 Bokun Wang , Zhuoning Yuan , Yiming Ying , Tianbao Yang

Model-Agnostic Meta-Learning (MAML), a model-agnostic meta-learning method, is successfully employed in NLP applications including few-shot text classification and multi-domain low-resource language generation. Many impacting factors,…

计算与语言 · 计算机科学 2024-04-25 Zequn Liu , Ruiyi Zhang , Yiping Song , Wei Ju , Ming Zhang

Despite the superior empirical success of deep meta-learning, theoretical understanding of overparameterized meta-learning is still limited. This paper studies the generalization of a widely used meta-learning approach, Model-Agnostic…

机器学习 · 计算机科学 2022-06-22 Yu Huang , Yingbin Liang , Longbo Huang

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

Model-Agnostic Meta-Learning (MAML) is a versatile meta-learning framework applicable to both supervised learning and reinforcement learning (RL). However, applying MAML to meta-reinforcement learning (meta-RL) presents notable challenges.…

机器学习 · 计算机科学 2025-10-02 Yang Zhang , Huiwen Yan , Mushuang Liu

An important research direction in machine learning has centered around developing meta-learning algorithms to tackle few-shot learning. An especially successful algorithm has been Model Agnostic Meta-Learning (MAML), a method that consists…

机器学习 · 计算机科学 2020-02-13 Aniruddh Raghu , Maithra Raghu , Samy Bengio , Oriol Vinyals

Recent work has suggested that a good embedding is all we need to solve many few-shot learning benchmarks. Furthermore, other work has strongly suggested that Model Agnostic Meta-Learning (MAML) also works via this same method - by learning…

机器学习 · 计算机科学 2021-12-28 Brando Miranda , Yu-Xiong Wang , Sanmi Koyejo

Few-shot learning is a challenging problem where the goal is to achieve generalization from only few examples. Model-agnostic meta-learning (MAML) tackles the problem by formulating prior knowledge as a common initialization across tasks,…

机器学习 · 计算机科学 2020-06-17 Sungyong Baik , Seokil Hong , Kyoung Mu Lee

Optimization-based meta-learning aims to learn an initialization so that a new unseen task can be learned within a few gradient updates. Model Agnostic Meta-Learning (MAML) is a benchmark algorithm comprising two optimization loops. The…

机器学习 · 计算机科学 2024-05-28 S. Tiwari , M. Gogoi , S. Verma , K. P. Singh

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

Owing to security implications of adversarial vulnerability, adversarial robustness of deep metric learning models has to be improved. In order to avoid model collapse due to excessively hard examples, the existing defenses dismiss the…

机器学习 · 计算机科学 2022-03-04 Mo Zhou , Vishal M. Patel