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Visual Question Answering (VQA) has achieved great success thanks to the fast development of deep neural networks (DNN). On the other hand, the data augmentation, as one of the major tricks for DNN, has been widely used in many computer…

Computer Vision and Pattern Recognition · Computer Science 2020-07-21 Ruixue Tang , Chao Ma , Wei Emma Zhang , Qi Wu , Xiaokang Yang

Data augmentation (DA) has been widely investigated to facilitate model optimization in many tasks. However, in most cases, data augmentation is randomly performed for each training sample with a certain probability, which might incur…

Computer Vision and Pattern Recognition · Computer Science 2021-12-07 Shiqi Lin , Zhizheng Zhang , Xin Li , Wenjun Zeng , Zhibo 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

Class imbalance problems frequently occur in real-world tasks, and conventional deep learning algorithms are well known for performance degradation on imbalanced training datasets. To mitigate this problem, many approaches have aimed to…

Computer Vision and Pattern Recognition · Computer Science 2023-02-14 Sumyeong Ahn , Jongwoo Ko , Se-Young Yun

In the context of neural machine translation, data augmentation (DA) techniques may be used for generating additional training samples when the available parallel data are scarce. Many DA approaches aim at expanding the support of the…

Computation and Language · Computer Science 2021-09-09 Víctor M. Sánchez-Cartagena , Miquel Esplà-Gomis , Juan Antonio Pérez-Ortiz , Felipe Sánchez-Martínez

Data augmentation (DA) aims to generate constrained and diversified data to improve classifiers in Low-Resource Classification (LRC). Previous studies mostly use a fine-tuned Language Model (LM) to strengthen the constraints but ignore the…

Computation and Language · Computer Science 2021-09-27 Guang Liu , Hailong Huang , Yuzhao Mao , Weiguo Gao , Xuan Li , Jianping Shen

Instruction tuning improves the performance of large language models (LLMs), but it heavily relies on high-quality training data. Recently, LLMs have been used to synthesize instruction data using seed question-answer (QA) pairs. However,…

Computation and Language · Computer Science 2025-05-20 Chi Zhang , Huaping Zhong , Hongtao Li , Chengliang Chai , Jiawei Hong , Yuhao Deng , Jiacheng Wang , Tian Tan , Yizhou Yan , Jiantao Qiu , Ye Yuan , Guoren Wang , Conghui He , Lei Cao

Data augmentation (DA) encodes invariance and provides implicit regularization critical to a model's performance in image classification tasks. However, while DA improves average accuracy, recent studies have shown that its impact can be…

Computer Vision and Pattern Recognition · Computer Science 2024-01-04 Polina Kirichenko , Mark Ibrahim , Randall Balestriero , Diane Bouchacourt , Ramakrishna Vedantam , Hamed Firooz , Andrew Gordon Wilson

Automated classification of electroencephalogram (EEG) signals is complex due to their high dimensionality, non-stationarity, low signal-to-noise ratio, and variability between subjects. Deep neural networks (DNNs) have shown promising…

Signal Processing · Electrical Eng. & Systems 2024-05-27 Gustavo H. Rodrigues , Bruno Aristimunha , Sylvain Chevallier , Raphael Y. de Camargo

Deep neural networks have emerged as very successful tools for image restoration and reconstruction tasks. These networks are often trained end-to-end to directly reconstruct an image from a noisy or corrupted measurement of that image. To…

Image and Video Processing · Electrical Eng. & Systems 2021-06-30 Zalan Fabian , Reinhard Heckel , Mahdi Soltanolkotabi

In-Context Learning (ICL) combined with pre-trained large language models has achieved promising results on various NLP tasks. However, ICL requires high-quality annotated demonstrations which might not be available in real-world scenarios.…

Computation and Language · Computer Science 2023-11-07 Dawei Li , Yaxuan Li , Dheeraj Mekala , Shuyao Li , Yulin wang , Xueqi Wang , William Hogan , Jingbo Shang

Data augmentation is an essential technique in natural language processing (NLP) for enriching training datasets by generating diverse samples. This process is crucial for improving the robustness and generalization capabilities of NLP…

Computation and Language · Computer Science 2025-10-16 Zaitian Wang , Jinghan Zhang , Xinhao Zhang , Kunpeng Liu , Pengfei Wang , Yuanchun Zhou

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

Recent Visual Question Answering (VQA) models have shown impressive performance on the VQA benchmark but remain sensitive to small linguistic variations in input questions. Existing approaches address this by augmenting the dataset with…

Computer Vision and Pattern Recognition · Computer Science 2021-04-20 Yash Kant , Abhinav Moudgil , Dhruv Batra , Devi Parikh , Harsh Agrawal

Curriculum Data Augmentation (CDA) improves neural models by presenting synthetic data with increasing difficulties from easy to hard. However, traditional CDA simply treats the ratio of word perturbation as the difficulty measure and goes…

Computation and Language · Computer Science 2023-02-01 Hongyuan Lu , Wai Lam

The increasingly popular adoption of deep learning models in many critical source code tasks motivates the development of data augmentation (DA) techniques to enhance training data and improve various capabilities (e.g., robustness and…

Computation and Language · Computer Science 2023-11-14 Terry Yue Zhuo , Zhou Yang , Zhensu Sun , Yufei Wang , Li Li , Xiaoning Du , Zhenchang Xing , David Lo

Data augmentation forms the cornerstone of many modern machine learning training pipelines; yet, the mechanisms by which it works are not clearly understood. Much of the research on data augmentation (DA) has focused on improving existing…

Machine Learning · Computer Science 2023-04-13 Damien A. Dablain , Nitesh V. Chawla

Data augmentation is a key element of deep learning pipelines, as it informs the network during training about transformations of the input data that keep the label unchanged. Manually finding adequate augmentation methods and parameters…

Machine Learning · Computer Science 2022-02-09 Cédric Rommel , Thomas Moreau , Joseph Paillard , Alexandre Gramfort

Data augmentation (DA) is an essential technique for training state-of-the-art deep learning systems. In this paper, we empirically show data augmentation might introduce noisy augmented examples and consequently hurt the performance on…

Computer Vision and Pattern Recognition · Computer Science 2020-11-25 Chengyue Gong , Dilin Wang , Meng Li , Vikas Chandra , Qiang Liu

Data augmentation (DA) has gained widespread popularity in deep speaker models due to its ease of implementation and significant effectiveness. It enriches training data by simulating real-life acoustic variations, enabling deep neural…

Sound · Computer Science 2024-02-07 Zhenyu Zhou , Junhui Chen , Namin Wang , Lantian Li , Dong Wang