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Imbalanced datasets present a significant challenge for machine learning models, often leading to biased predictions. To address this issue, data augmentation techniques are widely used in natural language processing (NLP) to generate new…

Computation and Language · Computer Science 2023-04-21 Gabriel O. Assunção , Rafael Izbicki , Marcos O. Prates

The development of fair and ethical AI systems requires careful consideration of bias mitigation, an area often overlooked or ignored. In this study, we introduce a novel and efficient approach for addressing biases called Targeted Data…

Machine Learning · Computer Science 2023-08-23 Agnieszka Mikołajczyk-Bareła , Maria Ferlin , Michał Grochowski

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

Existing automatic data augmentation (DA) methods either ignore updating DA's parameters according to the target model's state during training or adopt update strategies that are not effective enough. In this work, we design a novel data…

Computer Vision and Pattern Recognition · Computer Science 2023-05-11 Xiaogang Xu , Hengshuang Zhao

Many fine-grained classification tasks, like rare animal identification, have limited training data and consequently classifiers trained on these datasets often fail to generalize to variations in the domain like changes in weather or…

Computer Vision and Pattern Recognition · Computer Science 2023-10-31 Lisa Dunlap , Alyssa Umino , Han Zhang , Jiezhi Yang , Joseph E. Gonzalez , Trevor Darrell

Despite significant advancements in multi-label text classification, the ability of existing models to generalize to novel and seldom-encountered complex concepts, which are compositions of elementary ones, remains underexplored. This…

Computation and Language · Computer Science 2023-12-21 Yuyang Chai , Zhuang Li , Jiahui Liu , Lei Chen , Fei Li , Donghong Ji , Chong Teng

Data augmentation involves generating synthetic samples that resemble those in a given dataset. In resource-limited fields where high-quality data is scarce, augmentation plays a crucial role in increasing the volume of training data. This…

Computation and Language · Computer Science 2024-12-30 Md. Tariquzzaman , Audwit Nafi Anam , Naimul Haque , Mohsinul Kabir , Hasan Mahmud , Md Kamrul Hasan

Data Augmentation is a common technique used to enhance the performance of deep learning models by expanding the training dataset. Automatic Data Augmentation (ADA) methods are getting popular because of their capacity to generate policies…

Machine Learning · Computer Science 2024-04-02 Tien-Yu Chang , Hao Dai , Vincent S. Tseng

In recent years, language models (LMs) have made remarkable progress in advancing the field of natural language processing (NLP). However, the impact of data augmentation (DA) techniques on the fine-tuning (FT) performance of these LMs has…

Computation and Language · Computer Science 2023-06-14 Zhengxiang Shi , Aldo Lipani

Data augmentation techniques have been widely used to improve machine learning performance as they enhance the generalization capability of models. In this work, to generate high quality synthetic data for low-resource tagging tasks, we…

Computation and Language · Computer Science 2020-11-04 Bosheng Ding , Linlin Liu , Lidong Bing , Canasai Kruengkrai , Thien Hai Nguyen , Shafiq Joty , Luo Si , Chunyan Miao

Automated speaking assessment (ASA) on opinion expressions is often hampered by the scarcity of labeled recordings, which restricts prompt diversity and undermines scoring reliability. To address this challenge, we propose a novel training…

Computation and Language · Computer Science 2025-09-12 Chung-Chun Wang , Jhen-Ke Lin , Hao-Chien Lu , Hong-Yun Lin , Berlin Chen

Data Augmentation (DA) has become an essential tool to improve robustness and generalization of modern machine learning. However, when deciding on DA strategies it is critical to choose parameters carefully, and this can be a daunting task…

Machine Learning · Computer Science 2026-03-04 Madi Matymov , Ba-Hien Tran , Michael Kampffmeyer , Markus Heinonen , Maurizio Filippone

This paper presents a novel data augmentation technique for text-to-speech (TTS), that allows to generate new (text, audio) training examples without requiring any additional data. Our goal is to increase diversity of text conditionings…

Data augmentation has shown its effectiveness in resolving the data-hungry problem and improving model's generalization ability. However, the quality of augmented data can be varied, especially compared with the raw/original data. To boost…

Computation and Language · Computer Science 2024-09-27 Guanyi Mou , Yichuan Li , Kyumin Lee

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

Research on data generation and augmentation has been focused majorly on enhancing generation models, leaving a notable gap in the exploration and refinement of methods for evaluating synthetic data. There are several text similarity…

Computation and Language · Computer Science 2023-11-09 Tiasa Singha Roy , Priyam Basu

We propose a simple data augmentation protocol aimed at providing a compositional inductive bias in conditional and unconditional sequence models. Under this protocol, synthetic training examples are constructed by taking real training…

Computation and Language · Computer Science 2020-05-20 Jacob Andreas

Data augmentation is an effective way to improve the performance of many neural text generation models. However, current data augmentation methods need to define or choose proper data mapping functions that map the original samples into the…

Computation and Language · Computer Science 2021-05-31 Wei Bi , Huayang Li , Jiacheng Huang

Aiming to produce sufficient and diverse training samples, data augmentation has been demonstrated for its effectiveness in training deep models. Regarding that the criterion of the best augmentation is challenging to define, we in this…

Computer Vision and Pattern Recognition · Computer Science 2019-10-23 Yinghuan Shi , Tiexin Qin , Yong Liu , Jiwen Lu , Yang Gao , Dinggang Shen

In practice, it is common to find oneself with far too little text data to train a deep neural network. This "Big Data Wall" represents a challenge for minority language communities on the Internet, organizations, laboratories and companies…

Computation and Language · Computer Science 2018-12-13 Claude Coulombe