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This paper examines the robustness of deployed few-shot meta-learning systems when they are fed an imperceptibly perturbed few-shot dataset. We attack amortized meta-learners, which allows us to craft colluding sets of inputs that are…

Machine Learning · Computer Science 2022-11-24 Elre T. Oldewage , John Bronskill , Richard E. Turner

Previous work on adversarially robust neural networks for image classification requires large training sets and computationally expensive training procedures. On the other hand, few-shot learning methods are highly vulnerable to adversarial…

Machine Learning · Computer Science 2020-10-16 Micah Goldblum , Liam Fowl , Tom Goldstein

Despite its astounding success in learning deeper multi-dimensional data, the performance of deep learning declines on new unseen tasks mainly due to its focus on same-distribution prediction. Moreover, deep learning is notorious for poor…

Machine Learning · Computer Science 2023-03-15 Hassan Gharoun , Fereshteh Momenifar , Fang Chen , Amir H. Gandomi

Meta-learning has emerged as a trending technique to tackle few-shot text classification and achieved state-of-the-art performance. However, existing solutions heavily rely on the exploitation of lexical features and their distributional…

Computation and Language · Computer Science 2021-07-27 ChengCheng Han , Zeqiu Fan , Dongxiang Zhang , Minghui Qiu , Ming Gao , Aoying Zhou

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

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…

Machine Learning · Computer Science 2020-04-29 Mingzhang Yin , George Tucker , Mingyuan Zhou , Sergey Levine , Chelsea Finn

Few-shot meta-learning methods consider the problem of learning new tasks from a small, fixed number of examples, by meta-learning across static data from a set of previous tasks. However, in many real world settings, it is more natural to…

Machine Learning · Computer Science 2020-12-15 Tianhe Yu , Xinyang Geng , Chelsea Finn , Sergey Levine

Reinforcement learning methods can achieve significant performance but require a large amount of training data collected on the same robotic platform. A policy trained with expensive data is rendered useless after making even a minor change…

Robotics · Computer Science 2021-03-08 Ali Ghadirzadeh , Xi Chen , Petra Poklukar , Chelsea Finn , Mårten Björkman , Danica Kragic

Few-shot learning aims to adapt knowledge learned from previous tasks to novel tasks with only a limited amount of labeled data. Research literature on few-shot learning exhibits great diversity, while different algorithms often excel at…

Computer Vision and Pattern Recognition · Computer Science 2021-09-14 Chi Zhang , Henghui Ding , Guosheng Lin , Ruibo Li , Changhu Wang , Chunhua Shen

Deep neural networks (DNNs) are vulnerable to adversarial attack which is maliciously implemented by adding human-imperceptible perturbation to images and thus leads to incorrect prediction. Existing studies have proposed various methods to…

Computer Vision and Pattern Recognition · Computer Science 2019-08-07 Chen Ma , Chenxu Zhao , Hailin Shi , Li Chen , Junhai Yong , Dan Zeng

Recent continual learning approaches have primarily focused on mitigating catastrophic forgetting. Nevertheless, two critical areas have remained relatively unexplored: 1) evaluating the robustness of proposed methods and 2) ensuring the…

Machine Learning · Computer Science 2023-10-10 Hikmat Khan , Pir Masoom Shah , Syed Farhan Alam Zaidi , Saif ul Islam , Qasim Zia

Meta-learning model can quickly adapt to new tasks using few-shot labeled data. However, despite achieving good generalization on few-shot classification tasks, it is still challenging to improve the adversarial robustness of the…

Machine Learning · Computer Science 2021-07-02 Fan Liu , Shuyu Zhao , Xuelong Dai , Bin Xiao

Despite the success on few-shot learning problems, most meta-learned models only focus on achieving good performance on clean examples and thus easily break down when given adversarially perturbed samples. While some recent works have shown…

Machine Learning · Computer Science 2023-10-27 Minseon Kim , Hyeonjeong Ha , Dong Bok Lee , Sung Ju Hwang

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…

Machine Learning · Computer Science 2020-06-23 Chengxiang Yin , Jian Tang , Zhiyuan Xu , Yanzhi Wang

Few-shot Learning aims to learn classifiers for new classes with only a few training examples per class. Existing meta-learning or metric-learning based few-shot learning approaches are limited in handling diverse domains with various…

Machine Learning · Computer Science 2019-01-30 Yu Cheng , Mo Yu , Xiaoxiao Guo , Bowen Zhou

Current neural-network-based classifiers are susceptible to adversarial examples. The most empirically successful approach to defending against such adversarial examples is adversarial training, which incorporates a strong self-attack…

Machine Learning · Computer Science 2020-06-08 Bai Li , Shiqi Wang , Suman Jana , Lawrence Carin

Meta-learning has been the most common framework for few-shot learning in recent years. It learns the model from collections of few-shot classification tasks, which is believed to have a key advantage of making the training objective…

Computer Vision and Pattern Recognition · Computer Science 2021-08-20 Yinbo Chen , Zhuang Liu , Huijuan Xu , Trevor Darrell , Xiaolong Wang

Meta-learning algorithms are widely used for few-shot learning. For example, image recognition systems that readily adapt to unseen classes after seeing only a few labeled examples. Despite their success, we show that modern meta-learning…

Machine Learning · Computer Science 2021-10-28 Mayank Agarwal , Mikhail Yurochkin , Yuekai Sun

Meta-learning is a popular framework for learning with limited data in which an algorithm is produced by training over multiple few-shot learning tasks. For classification problems, these tasks are typically constructed by sampling a small…

Machine Learning · Computer Science 2021-10-08 Amrith Setlur , Oscar Li , Virginia Smith

Two widely used techniques for training supervised machine learning models on small datasets are Active Learning and Transfer Learning. The former helps to optimally use a limited budget to label new data. The latter uses large pre-trained…

Machine Learning · Computer Science 2021-01-28 Nicolas M. Müller , Konstantin Böttinger
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