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Meta-learning enables algorithms to quickly learn a newly encountered task with just a few labeled examples by transferring previously learned knowledge. However, the bottleneck of current meta-learning algorithms is the requirement of a…

Machine Learning · Computer Science 2022-03-18 Huaxiu Yao , Linjun Zhang , Chelsea Finn

While many deep learning methods have seen significant success in tackling the problem of domain adaptation and few-shot learning separately, far fewer methods are able to jointly tackle both problems in Cross-Domain Few-Shot Learning…

Computer Vision and Pattern Recognition · Computer Science 2020-12-04 John Cai , Bill Cai , Sheng Mei Shen

Data sets for fairness relevant tasks can lack examples or be biased according to a specific label in a sensitive attribute. We demonstrate the usefulness of weight based meta-learning approaches in such situations. For models that can be…

Machine Learning · Computer Science 2019-11-12 Dylan Slack , Sorelle Friedler , Emile Givental

Model-agnostic meta-learning (MAML) has emerged as one of the most successful meta-learning techniques in few-shot learning. It enables us to learn a meta-initialization} of model parameters (that we call meta-model) to rapidly adapt to new…

Machine Learning · Computer Science 2021-02-23 Ren Wang , Kaidi Xu , Sijia Liu , Pin-Yu Chen , Tsui-Wei Weng , Chuang Gan , Meng Wang

Imbalanced learning (IL), i.e., learning unbiased models from class-imbalanced data, is a challenging problem. Typical IL methods including resampling and reweighting were designed based on some heuristic assumptions. They often suffer from…

Machine Learning · Computer Science 2020-10-20 Zhining Liu , Pengfei Wei , Jing Jiang , Wei Cao , Jiang Bian , Yi Chang

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…

Computer Vision and Pattern Recognition · Computer Science 2021-05-10 Joshua Ball

Meta-learning has emerged as a prominent technology for few-shot text classification and has achieved promising performance. However, existing methods often encounter difficulties in drawing accurate class prototypes from support set…

Computer Vision and Pattern Recognition · Computer Science 2024-10-15 Xinyue Liu , Yunlong Gao , Linlin Zong , Bo Xu

Meta-reinforcement learning algorithms can enable robots to acquire new skills much more quickly, by leveraging prior experience to learn how to learn. However, much of the current research on meta-reinforcement learning focuses on task…

Many natural language processing (NLP) tasks are naturally imbalanced, as some target categories occur much more frequently than others in the real world. In such scenarios, current NLP models still tend to perform poorly on less frequent…

Computation and Language · Computer Science 2023-02-23 Sophie Henning , William Beluch , Alexander Fraser , Annemarie Friedrich

Meta-learning is an effective method to handle imbalanced and noisy-label learning, but it depends on a validation set containing randomly selected, manually labelled and balanced distributed samples. The random selection and manual…

Machine Learning · Computer Science 2025-10-09 Dung Anh Hoang , Cuong Nguyen , Belagiannis Vasileios , Thanh-Toan Do , Gustavo Carneiro

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…

Computer Vision and Pattern Recognition · Computer Science 2021-10-27 Christian Simon , Piotr Koniusz , Mehrtash Harandi

This article reviews meta-learning also known as learning-to-learn which seeks rapid and accurate model adaptation to unseen tasks with applications in highly automated AI, few-shot learning, natural language processing and robotics. Unlike…

Machine Learning · Computer Science 2020-10-27 Huimin Peng

Detecting out of policy speech (OOPS) content is important but difficult. While machine learning is a powerful tool to tackle this challenging task, it is hard to break the performance ceiling due to factors like quantity and quality…

Machine Learning · Computer Science 2023-10-25 Apostol Vassilev , Honglan Jin , Munawar Hasan

Neural networks are powerful models that solve a variety of complex real-world problems. However, the stochastic nature of training and large number of parameters in a typical neural model makes them difficult to evaluate via inspection.…

Machine Learning · Computer Science 2021-04-22 John Clemens

Meta-learning methods have shown an impressive ability to train models that rapidly learn new tasks. However, these methods only aim to perform well in expectation over tasks coming from some particular distribution that is typically…

Machine Learning · Computer Science 2020-06-22 Liam Collins , Aryan Mokhtari , Sanjay Shakkottai

Machine Learning (ML) algorithms are used to train computers to perform a variety of complex tasks and improve with experience. Computers learn how to recognize patterns, make unintended decisions, or react to a dynamic environment. Certain…

Cryptography and Security · Computer Science 2013-06-20 Giuseppe Ateniese , Giovanni Felici , Luigi V. Mancini , Angelo Spognardi , Antonio Villani , Domenico Vitali

We present a new approach, called meta-meta classification, to learning in small-data settings. In this approach, one uses a large set of learning problems to design an ensemble of learners, where each learner has high bias and low variance…

Machine Learning · Computer Science 2020-06-16 Arkabandhu Chowdhury , Dipak Chaudhari , Swarat Chaudhuri , Chris Jermaine

Deep learning enables impressive performance in image recognition using large-scale artificially-balanced datasets. However, real-world datasets exhibit highly class-imbalanced distributions, yielding two main challenges: relative imbalance…

Computer Vision and Pattern Recognition · Computer Science 2020-10-20 Saurabh Sharma , Ning Yu , Mario Fritz , Bernt Schiele

In this paper, we study the generalization properties of Model-Agnostic Meta-Learning (MAML) algorithms for supervised learning problems. We focus on the setting in which we train the MAML model over $m$ tasks, each with $n$ data points,…

Machine Learning · Computer Science 2021-11-18 Alireza Fallah , Aryan Mokhtari , Asuman Ozdaglar

Few-Shot Learning is the challenge of training a model with only a small amount of data. Many solutions to this problem use meta-learning algorithms, i.e. algorithms that learn to learn. By sampling few-shot tasks from a larger dataset, we…

Computer Vision and Pattern Recognition · Computer Science 2019-10-01 Etienne Bennequin