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A core issue with learning to optimize neural networks has been the lack of generalization to real world problems. To address this, we describe a system designed from a generalization-first perspective, learning to update optimizer…

机器学习 · 计算机科学 2021-06-09 Diogo Almeida , Clemens Winter , Jie Tang , Wojciech Zaremba

Multimodal meta-learning is a recent problem that extends conventional few-shot meta-learning by generalizing its setup to diverse multimodal task distributions. This setup makes a step towards mimicking how humans make use of a diverse set…

机器学习 · 计算机科学 2021-10-28 Milad Abdollahzadeh , Touba Malekzadeh , Ngai-Man Cheung

Meta-learning approaches enable machine learning systems to adapt to new tasks given few examples by leveraging knowledge from related tasks. However, a large number of meta-training tasks are still required for generalization to unseen…

机器学习 · 计算机科学 2024-10-24 Seanie Lee , Bruno Andreis , Kenji Kawaguchi , Juho Lee , Sung Ju Hwang

The state-of-the-art online learning approaches are only capable of learning the metric for predefined tasks. In this paper, we consider lifelong learning problem to mimic "human learning", i.e., endowing a new capability to the learned…

机器学习 · 计算机科学 2017-06-13 Gan Sun , Yang Cong , Ji Liu , Xiaowei Xu

In order for a robot to be a generalist that can perform a wide range of jobs, it must be able to acquire a wide variety of skills quickly and efficiently in complex unstructured environments. High-capacity models such as deep neural…

机器学习 · 计算机科学 2017-09-15 Chelsea Finn , Tianhe Yu , Tianhao Zhang , Pieter Abbeel , Sergey Levine

Learning to classify unseen class samples at test time is popularly referred to as zero-shot learning (ZSL). If test samples can be from training (seen) as well as unseen classes, it is a more challenging problem due to the existence of…

机器学习 · 统计学 2019-09-11 Vinay Kumar Verma , Dhanajit Brahma , Piyush Rai

Meta learning approaches to few-shot classification are computationally efficient at test time, requiring just a few optimization steps or single forward pass to learn a new task, but they remain highly memory-intensive to train. This…

Generalizing from a single labeled source domain to unseen target domains, without access to any target data during training, remains a fundamental challenge in robust machine learning. We address this underexplored setting, known as Single…

机器学习 · 计算机科学 2026-04-09 Marzi Heidari , Hanping Zhang , Hao Yan , Yuhong Guo

Models trained on synthetic images often face degraded generalization to real data. As a convention, these models are often initialized with ImageNet pre-trained representation. Yet the role of ImageNet knowledge is seldom discussed despite…

机器学习 · 计算机科学 2020-07-15 Wuyang Chen , Zhiding Yu , Zhangyang Wang , Anima Anandkumar

Transductive few-shot learning has recently triggered wide attention in computer vision. Yet, current methods introduce key hyper-parameters, which control the prediction statistics of the test batches, such as the level of class balance,…

计算机视觉与模式识别 · 计算机科学 2025-04-14 Long Zhou , Fereshteh Shakeri , Aymen Sadraoui , Mounir Kaaniche , Jean-Christophe Pesquet , Ismail Ben Ayed

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…

机器学习 · 计算机科学 2023-10-27 Minseon Kim , Hyeonjeong Ha , Dong Bok Lee , Sung Ju Hwang

Deep learning models exhibit limited generalizability across different domains. Specifically, transferring knowledge from available entangled domain features(source/target domain) and categorical features to new unseen categorical features…

计算机视觉与模式识别 · 计算机科学 2020-03-03 Qingjie Meng , Daniel Rueckert , Bernhard Kainz

Meta-learning has emerged as an efficient approach for constructing target models based on support sets. For example, the meta-learned embeddings enable the construction of target nearest-neighbor classifiers for specific tasks by pulling…

机器学习 · 计算机科学 2023-09-19 Han-Jia Ye , Da-Wei Zhou , Lanqing Hong , Zhenguo Li , Xiu-Shen Wei , De-Chuan Zhan

Although few-shot learning research has advanced rapidly with the help of meta-learning, its practical usefulness is still limited because most of them assumed that all meta-training and meta-testing examples came from a single domain. We…

机器学习 · 计算机科学 2020-09-18 Yongseok Choi , Junyoung Park , Subin Yi , Dong-Yeon Cho

Deep Metric Learning (DML) methods have been proven relevant for visual similarity learning. However, they sometimes lack generalization properties because they are trained often using an inappropriate sample selection strategy or due to…

In this work we study generalization of neural networks in gradient-based meta-learning by analyzing various properties of the objective landscapes. We experimentally demonstrate that as meta-training progresses, the meta-test solutions,…

机器学习 · 计算机科学 2019-07-18 Simon Guiroy , Vikas Verma , Christopher Pal

Existing meta-learning based few-shot learning (FSL) methods typically adopt an episodic training strategy whereby each episode contains a meta-task. Across episodes, these tasks are sampled randomly and their relationships are ignored. In…

机器学习 · 计算机科学 2020-09-29 Nanyi Fei , Zhiwu Lu , Yizhao Gao , Jia Tian , Tao Xiang , Ji-Rong Wen

Shared training approaches, such as multi-task learning (MTL) and gradient-based meta-learning, are widely used in various machine learning applications, but they often suffer from negative transfer, leading to performance degradation in…

机器学习 · 计算机科学 2024-12-10 Anshul Thakur , Yichen Huang , Soheila Molaei , Yujiang Wang , David A. Clifton

Despite the remarkable success achieved by graph convolutional networks for functional brain activity analysis, the heterogeneity of functional patterns and the scarcity of imaging data still pose challenges in many tasks. Transferring…

机器学习 · 计算机科学 2022-12-19 Wenhui Cui , Haleh Akrami , Anand A. Joshi , Richard M. Leahy

Few-shot text classification aims to classify the text under the few-shot scenario. Most of the previous methods adopt optimization-based meta learning to obtain task distribution. However, due to the neglect of matching between the few…

计算与语言 · 计算机科学 2023-07-31 Tianyi Lei , Honghui Hu , Qiaoyang Luo , Dezhong Peng , Xu Wang
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