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Being widely used in learning unbiased visual question answering (VQA) models, Data Augmentation (DA) helps mitigate language biases by generating extra training samples beyond the original samples. While today's DA methods can generate…

Computer Vision and Pattern Recognition · Computer Science 2024-01-30 Yuhang Zheng , Zhen Wang , Long Chen

Named Entity Recognition (NER) is one of the first stages in deep language understanding yet current NER models heavily rely on human-annotated data. In this work, to alleviate the dependence on labeled data, we propose a Local Additivity…

Computation and Language · Computer Science 2020-10-06 Jiaao Chen , Zhenghui Wang , Ran Tian , Zichao Yang , Diyi Yang

Deep learning (DL) techniques are highly effective for defect detection from images. Training DL classification models, however, requires vast amounts of labeled data which is often expensive to collect. In many cases, not only the…

Computer Vision and Pattern Recognition · Computer Science 2023-06-02 Adrian Shuai Li , Elisa Bertino , Rih-Teng Wu , Ting-Yan Wu

A continued issue for those working with computational tools and endangered and under-resourced languages is the lower accuracy of results for languages with smaller amounts of data. We attempt to ameliorate this issue by using data…

Computation and Language · Computer Science 2025-04-10 Alessio Tosolini , Claire Bowern

Data augmentation (DA) techniques aim to increase data variability, and thus train deep networks with better generalisation. The pioneering AutoAugment automated the search for optimal DA policies with reinforcement learning. However,…

Computer Vision and Pattern Recognition · Computer Science 2020-07-31 Yonggang Li , Guosheng Hu , Yongtao Wang , Timothy Hospedales , Neil M. Robertson , Yongxin Yang

Data Augmentation (DA) -- generating extra training samples beyond original training set -- has been widely-used in today's unbiased VQA models to mitigate the language biases. Current mainstream DA strategies are synthetic-based methods,…

Computer Vision and Pattern Recognition · Computer Science 2022-09-16 Long Chen , Yuhang Zheng , Jun Xiao

Data augmentation is a technique to generate new training data based on existing data. We evaluate the simple and cost-effective method of concatenating the original data examples to build new training instances. Continued training with…

Computation and Language · Computer Science 2023-06-12 Tsz Kin Lam , Shigehiko Schamoni , Stefan Riezler

Data augmentation is popular in the training of large neural networks; currently, however, there is no clear theoretical comparison between different algorithmic choices on how to use augmented data. In this paper, we take a step in this…

Machine Learning · Computer Science 2022-06-17 Shuo Yang , Yijun Dong , Rachel Ward , Inderjit S. Dhillon , Sujay Sanghavi , Qi Lei

Previous attempts for data augmentation are designed manually, and the augmentation policies are dataset-specific. Recently, an automatic data augmentation approach, named AutoAugment, is proposed using reinforcement learning. AutoAugment…

Machine Learning · Computer Science 2018-11-13 Mingyang Geng , Kele Xu , Bo Ding , Huaimin Wang , Lei Zhang

The performance of learning models heavily relies on the availability and adequacy of training data. To address the dataset adequacy issue, researchers have extensively explored data augmentation (DA) as a promising approach. DA generates…

Computation and Language · Computer Science 2023-08-22 Dania Refai , Saleh Abo-Soud , Mohammad Abdel-Rahman

Recently, data augmentation (DA) has emerged as a method for leveraging domain knowledge to inexpensively generate additional data in reinforcement learning (RL) tasks, often yielding substantial improvements in data efficiency. While prior…

Machine Learning · Computer Science 2024-03-19 Nicholas E. Corrado , Josiah P. Hanna

Tabular data is prevalent in many critical domains, yet it is often challenging to acquire in large quantities. This scarcity usually results in poor performance of machine learning models on such data. Data augmentation, a common strategy…

Machine Learning · Computer Science 2024-07-30 Andrei Margeloiu , Adrián Bazaga , Nikola Simidjievski , Pietro Liò , Mateja Jamnik

In recent years, one of the most popular techniques in the computer vision community has been the deep learning technique. As a data-driven technique, deep model requires enormous amounts of accurately labelled training data, which is often…

Computer Vision and Pattern Recognition · Computer Science 2022-10-10 Zihan Yang , Richard O. Sinnott , James Bailey , Qiuhong Ke

We propose an on-the-fly data augmentation method for automatic speech recognition (ASR) that uses alignment information to generate effective training samples. Our method, called Aligned Data Augmentation (ADA) for ASR, replaces…

Computation and Language · Computer Science 2023-06-13 Tsz Kin Lam , Mayumi Ohta , Shigehiko Schamoni , Stefan Riezler

We propose a novel data augmentation for labeled sentences called contextual augmentation. We assume an invariance that sentences are natural even if the words in the sentences are replaced with other words with paradigmatic relations. We…

Computation and Language · Computer Science 2018-05-17 Sosuke Kobayashi

Text augmentation is a technique for constructing synthetic data from an under-resourced corpus to improve predictive performance. Synthetic data generation is common in numerous domains. However, recently text augmentation has emerged in…

Computation and Language · Computer Science 2023-09-12 Mosleh Mahamud , Zed Lee , Isak Samsten

Data augmentation (DA) has been widely utilized to improve generalization in training deep neural networks. Recently, human-designed data augmentation has been gradually replaced by automatically learned augmentation policy. Through finding…

Computer Vision and Pattern Recognition · Computer Science 2019-12-25 Xinyu Zhang , Qiang Wang , Jian Zhang , Zhao Zhong

Data augmentation methods have been a promising direction to improve the performance of small models for low-resource dialogue state tracking. However, traditional methods rely on pre-defined user goals and neglect the importance of data…

Computation and Language · Computer Science 2024-06-14 Ming Gu , Yan Yang

End-to-end models have gradually become the preferred option for automatic speech recognition (ASR) applications. During the training of end-to-end ASR, data augmentation is a quite effective technique for regularizing the neural networks.…

Audio and Speech Processing · Electrical Eng. & Systems 2021-04-27 Jianwei Sun , Zhiyuan Tang , Hengxin Yin , Wei Wang , Xi Zhao , Shuaijiang Zhao , Xiaoning Lei , Wei Zou , Xiangang Li

Recently, data augmentation (DA) methods have been proven to be effective for pre-trained language models (PLMs) in low-resource settings, including few-shot named entity recognition (NER). However, conventional NER DA methods are mostly…

Computation and Language · Computer Science 2023-05-22 Huiming Wang , Liying Cheng , Wenxuan Zhang , De Wen Soh , Lidong Bing