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Data augmentation (DA) has been widely used to improve the generalization of deep neural networks. While existing DA methods have proven effective, they often rely on augmentation operations with random magnitudes to each sample. However,…

Computer Vision and Pattern Recognition · Computer Science 2024-09-11 Suorong Yang , Furao Shen , Jian Zhao

Textual data augmentation (DA) is a prolific field of study where novel techniques to create artificial data are regularly proposed, and that has demonstrated great efficiency on small data settings, at least for text classification tasks.…

Computation and Language · Computer Science 2024-09-18 Frédéric Piedboeuf , Philippe Langlais

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…

Machine Learning · Computer Science 2022-04-12 Randall Balestriero , Leon Bottou , Yann LeCun

Recent studies have suggested frequency-domain Data augmentation (DA) is effec tive for time series prediction. Existing frequency-domain augmentations disturb the original data with various full-spectrum noises, leading to excess domain…

Machine Learning · Computer Science 2024-05-28 Kai Zhao , Zuojie He , Alex Hung , Dan Zeng

Deep learning models learn to fit training data while they are highly expected to generalize well to testing data. Most works aim at finding such models by creatively designing architectures and fine-tuning parameters. To adapt to…

Computer Vision and Pattern Recognition · Computer Science 2018-09-10 Tianyang Wang , Jun Huan , Bo Li

Deep Convolutional Neural Networks have made an incredible progress in many Computer Vision tasks. This progress, however, often relies on the availability of large amounts of the training data, required to prevent over-fitting, which in…

Computer Vision and Pattern Recognition · Computer Science 2023-02-28 Dominik Lewy , Jacek Mańdziuk

Training a deep learning model to classify histopathological images is challenging, because of the color and shape variability of the cells and tissues, and the reduced amount of available data, which does not allow proper learning of those…

Computer Vision and Pattern Recognition · Computer Science 2023-07-25 Saypraseuth Mounsaveng , Issam Laradji , David Vázquez , Marco Perdersoli , Ismail Ben Ayed

Automated data augmentation has shown superior performance in image recognition. Existing works search for dataset-level augmentation policies without considering individual sample variations, which are likely to be sub-optimal. On the…

Machine Learning · Computer Science 2020-12-23 Fengwei Zhou , Jiawei Li , Chuanlong Xie , Fei Chen , Lanqing Hong , Rui Sun , Zhenguo Li

Data augmentation (DA) enhances model generalization in computer vision but may introduce biases, impacting class accuracy unevenly. Our study extends this inquiry, examining DA's class-specific bias across various datasets, including those…

Computer Vision and Pattern Recognition · Computer Science 2024-03-08 Athanasios Angelakis , Andrey Rass

Most previous methods for text data augmentation are limited to simple tasks and weak baselines. We explore data augmentation on hard tasks (i.e., few-shot natural language understanding) and strong baselines (i.e., pretrained models with…

Computation and Language · Computer Science 2022-03-16 Jing Zhou , Yanan Zheng , Jie Tang , Jian Li , Zhilin Yang

To acquire a new skill, humans learn better and faster if a tutor, based on their current knowledge level, informs them of how much attention they should pay to particular content or practice problems. Similarly, a machine learning model…

Machine Learning · Computer Science 2021-06-18 Xinyi Wang , Hieu Pham , Paul Michel , Antonios Anastasopoulos , Jaime Carbonell , Graham Neubig

Conventional image classifiers are trained by randomly sampling mini-batches of images. To achieve state-of-the-art performance, practitioners use sophisticated data augmentation schemes to expand the amount of training data available for…

Machine Learning · Computer Science 2021-06-23 Renkun Ni , Micah Goldblum , Amr Sharaf , Kezhi Kong , Tom Goldstein

In machine learning, data augmentation (DA) is a technique for improving the generalization performance. In this paper, we mainly considered gradient descent of linear regression under DA using noisy copies of datasets, in which noise is…

Machine Learning · Statistics 2022-06-17 Katsuyuki Hagiwara

Data augmentation methods have played an important role in the recent advance of deep learning models, and have become an indispensable component of state-of-the-art models in semi-supervised, self-supervised, and supervised training for…

Computer Vision and Pattern Recognition · Computer Science 2023-05-24 Emirhan Kurtulus , Zichao Li , Yann Dauphin , Ekin Dogus Cubuk

Domain adaption (DA) and domain generalization (DG) are two closely related methods which are both concerned with the task of assigning labels to an unlabeled data set. The only dissimilarity between these approaches is that DA can access…

Computer Vision and Pattern Recognition · Computer Science 2018-12-27 Mohammad Mahfujur Rahman , Clinton Fookes , Mahsa Baktashmotlagh , Sridha Sridharan

With the latest advances in Deep Learning-based generative models, it has not taken long to take advantage of their remarkable performance in the area of time series. Deep neural networks used to work with time series heavily depend on the…

Machine Learning · Computer Science 2024-02-19 Guillermo Iglesias , Edgar Talavera , Ángel González-Prieto , Alberto Mozo , Sandra Gómez-Canaval

Knowledge distillation (KD) is a general neural network training approach that uses a teacher model to guide the student model. Existing works mainly study KD from the network output side (e.g., trying to design a better KD loss function),…

Computer Vision and Pattern Recognition · Computer Science 2023-02-23 Huan Wang , Suhas Lohit , Mike Jones , Yun Fu

Imitation learning is an effective approach for training game-playing agents and, consequently, for efficient game production. However, generalization - the ability to perform well in related but unseen scenarios - is an essential…

Machine Learning · Computer Science 2024-04-09 Derek Yadgaroff , Alessandro Sestini , Konrad Tollmar , Ayca Ozcelikkale , Linus Gisslén

Recent advances in machine learning (ML) and computer vision tools have enabled applications in a wide variety of arenas such as financial analytics, medical diagnostics, and even within the Department of Defense. However, their widespread…

Computer Vision and Pattern Recognition · Computer Science 2020-08-13 Shashank Manjunath , Aitzaz Nathaniel , Jeff Druce , Stan German

Missing data imputation is a fundamental problem in data analysis, and many studies have been conducted to improve its performance by exploring model structures and learning procedures. However, data augmentation, as a simple yet effective…

Machine Learning · Computer Science 2023-04-07 Yufeng Wang , Dan Li , Cong Xu , Min Yang
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