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Regularization is a fundamental technique to prevent over-fitting and to improve generalization performances by constraining a model's complexity. Current Deep Networks heavily rely on regularizers such as Data-Augmentation (DA) or…

机器学习 · 计算机科学 2022-04-12 Randall Balestriero , Leon Bottou , Yann LeCun

The accuracy of deep learning (e.g., convolutional neural networks) for an image classification task critically relies on the amount of labeled training data. Aiming to solve an image classification task on a new domain that lacks labeled…

计算机视觉与模式识别 · 计算机科学 2019-01-01 Xianghong Fang , Haoli Bai , Ziyi Guo , Bin Shen , Steven Hoi , Zenglin Xu

In differentiable neural architecture search (NAS) algorithms like DARTS, the training set used to update model weight and the validation set used to update model architectures are sampled from the same data distribution. Thus, the uncommon…

机器学习 · 计算机科学 2021-12-02 Ruisi Zhang , Youwei Liang , Sai Ashish Somayajula , Pengtao Xie

In Domain Generalization (DG) settings, models trained independently on a given set of training domains have notoriously chaotic performance on distribution shifted test domains, and stochasticity in optimization (e.g. seed) plays a big…

机器学习 · 计算机科学 2022-10-14 Devansh Arpit , Huan Wang , Yingbo Zhou , Caiming Xiong

Machine learning promises methods that generalize well from finite labeled data. However, the brittleness of existing neural net approaches is revealed by notable failures, such as the existence of adversarial examples that are…

Domain generalization aims to learn invariance across multiple training domains, thereby enhancing generalization against out-of-distribution data. While gradient or representation matching algorithms have achieved remarkable success, these…

机器学习 · 计算机科学 2024-06-17 Yuxin Dong , Tieliang Gong , Hong Chen , Shuangyong Song , Weizhan Zhang , Chen Li

Deep reinforcement learning (RL) agents trained in a limited set of environments tend to suffer overfitting and fail to generalize to unseen testing environments. To improve their generalizability, data augmentation approaches (e.g. cutout…

机器学习 · 计算机科学 2020-10-22 Kaixin Wang , Bingyi Kang , Jie Shao , Jiashi Feng

We propose multirate training of neural networks: partitioning neural network parameters into "fast" and "slow" parts which are trained on different time scales, where slow parts are updated less frequently. By choosing appropriate…

机器学习 · 计算机科学 2022-11-02 Tiffany Vlaar , Benedict Leimkuhler

Neural networks are known to be data hungry and domain sensitive, but it is nearly impossible to obtain large quantities of labeled data for every domain we are interested in. This necessitates the use of domain adaptation strategies. One…

计算与语言 · 计算机科学 2019-10-08 Zi-Yi Dou , Xinyi Wang , Junjie Hu , Graham Neubig

Recent results suggest that reinitializing a subset of the parameters of a neural network during training can improve generalization, particularly for small training sets. We study the impact of different reinitialization methods in several…

机器学习 · 计算机科学 2021-09-02 Ibrahim Alabdulmohsin , Hartmut Maennel , Daniel Keysers

A fundamental assumption of most machine learning algorithms is that the training and test data are drawn from the same underlying distribution. However, this assumption is violated in almost all practical applications: machine learning…

机器学习 · 计算机科学 2021-12-02 Marvin Zhang , Henrik Marklund , Nikita Dhawan , Abhishek Gupta , Sergey Levine , Chelsea Finn

Data augmentation has been widely applied as an effective methodology to improve generalization in particular when training deep neural networks. Recently, researchers proposed a few intensive data augmentation techniques, which indeed…

机器学习 · 计算机科学 2019-11-22 Zhuoxun He , Lingxi Xie , Xin Chen , Ya Zhang , Yanfeng Wang , Qi Tian

Distributed training of GNNs enables learning on massive graphs (e.g., social and e-commerce networks) that exceed the storage and computational capacity of a single machine. To reach performance comparable to centralized training,…

机器学习 · 计算机科学 2023-05-18 Jiong Zhu , Aishwarya Reganti , Edward Huang , Charles Dickens , Nikhil Rao , Karthik Subbian , Danai Koutra

Recently, we have witnessed great progress in the field of medical imaging classification by adopting deep neural networks. However, the recent advanced models still require accessing sufficiently large and representative datasets for…

计算机视觉与模式识别 · 计算机科学 2020-10-30 Haoliang Li , YuFei Wang , Renjie Wan , Shiqi Wang , Tie-Qiang Li , Alex C. Kot

Many researchers implicitly assume that neural networks learn relations and generalise them to new unseen data. It has been shown recently, however, that the generalisation of feed-forward networks fails for identity relations.The proposed…

机器学习 · 计算机科学 2020-07-07 Radha Kopparti , Tillman Weyde

Domain generalization is proposed to address distribution shift, arising from statistical disparities between training source and unseen target domains. The widely used first-order meta-learning algorithms demonstrate strong performance for…

机器学习 · 计算机科学 2025-03-26 Xiran Wang , Jian Zhang , Lei Qi , Yinghuan Shi

Domain adaptation tackles the problem of transferring knowledge from a label-rich source domain to a label-scarce or even unlabeled target domain. Recently domain-adversarial training (DAT) has shown promising capacity to learn a…

机器学习 · 计算机科学 2020-03-31 Jianfei Yang , Han Zou , Yuxun Zhou , Lihua Xie

Domain adaptation is widely used in learning problems lacking labels. Recent studies show that deep adversarial domain adaptation models can make markable improvements in performance, which include symmetric and asymmetric architectures.…

计算机视觉与模式识别 · 计算机科学 2019-09-19 Guanyu Cai , Yuqin Wang , Mengchu Zhou , Lianghua He

Ensembling fine-tuned models initialized from powerful pre-trained weights is a common strategy to improve robustness under distribution shifts, but it comes with substantial computational costs due to the need to train and store multiple…

Batch normalization is currently the most widely used variant of internal normalization for deep neural networks. Additional work has shown that the normalization of weights and additional conditioning as well as the normalization of…

计算机视觉与模式识别 · 计算机科学 2021-01-19 Wolfgang Fuhl , Enkelejda Kasneci