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We study the problem of learning robust acoustic models in adverse environments, characterized by a significant mismatch between training and test conditions. This problem is of paramount importance for the deployment of speech recognition…

Sound · Computer Science 2022-06-30 Dino Oglic , Zoran Cvetkovic , Peter Sollich , Steve Renals , Bin Yu

Data Augmentation (DA) -- enriching training data by adding synthetic samples -- is a technique widely adopted in Computer Vision (CV) and Natural Language Processing (NLP) tasks to improve models performance. Yet, DA has struggled to gain…

Machine Learning · Computer Science 2024-01-24 Chao Wang , Alessandro Finamore , Pietro Michiardi , Massimo Gallo , Dario Rossi

Data augmentation, a widely-employed technique for addressing data scarcity, involves generating synthetic data examples which are then used to augment available training data. Researchers have seen surprising success from simple methods,…

Computation and Language · Computer Science 2025-06-05 Ray Groshan , Michael Ginn , Alexis Palmer

On image data, data augmentation is becoming less relevant due to the large amount of available training data and regularization techniques. Common approaches are moving windows (cropping), scaling, affine distortions, random noise, and…

Computer Vision and Pattern Recognition · Computer Science 2018-01-10 Mario Michael Krell , Anett Seeland , Su Kyoung Kim

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

Models that perform well on a training domain often fail to generalize to out-of-domain (OOD) examples. Data augmentation is a common method used to prevent overfitting and improve OOD generalization. However, in natural language, it is…

Computation and Language · Computer Science 2020-10-06 Nathan Ng , Kyunghyun Cho , Marzyeh Ghassemi

Knowledge distillation (KD) has been widely used to transfer knowledge from large, accurate models (teachers) to smaller, efficient ones (students). Recent methods have explored enforcing consistency by incorporating causal interpretations…

Computer Vision and Pattern Recognition · Computer Science 2025-07-17 Nikolaos Giakoumoglou , Tania Stathaki

The robustness of visual navigation policies trained through imitation often hinges on the augmentation of the training image-action pairs. Traditionally, this has been done by collecting data from multiple cameras, by using standard data…

Computer Vision and Pattern Recognition · Computer Science 2021-10-18 Dhruv Sharma , Alihusein Kuwajerwala , Florian Shkurti

The era of big data has witnessed an increasing availability of multiple data sources for statistical analyses. We consider estimation of causal effects combining big main data with unmeasured confounders and smaller validation data with…

Methodology · Statistics 2021-08-24 Shu Yang , Peng Ding

We provide universality results that quantify how data augmentation affects the variance and limiting distribution of estimates through simple surrogates, and analyze several specific models in detail. The results confirm some observations…

Machine Learning · Computer Science 2025-12-03 Kevin Han Huang , Peter Orbanz , Morgane Austern

Data augmentation (DA) turns seemingly intractable computational problems into simple ones by augmenting latent missing data. In addition to computational simplicity, it is now well-established that DA equipped with a deterministic…

Methodology · Statistics 2020-05-26 Hyungsuk Tak , Kisung You , Sujit K. Ghosh , Bingyue Su , Joseph Kelly

Abstractive summarization systems based on pretrained language models often generate coherent but factually inconsistent sentences. In this paper, we present a counterfactual data augmentation approach where we augment data with perturbed…

Computation and Language · Computer Science 2022-05-26 Dheeraj Rajagopal , Siamak Shakeri , Cicero Nogueira dos Santos , Eduard Hovy , Chung-Ching Chang

Recent work has focused on generating synthetic imagery to increase the size and variability of training data for learning visual tasks in urban scenes. This includes increasing the occurrence of occlusions or varying environmental and…

Computer Vision and Pattern Recognition · Computer Science 2018-10-03 Alexandra Carlson , Katherine A. Skinner , Ram Vasudevan , Matthew Johnson-Roberson

Recent advances in using retrieval components over external knowledge sources have shown impressive results for a variety of downstream tasks in natural language processing. Here, we explore the use of unstructured external knowledge…

Computer Vision and Pattern Recognition · Computer Science 2021-04-19 Shir Gur , Natalia Neverova , Chris Stauffer , Ser-Nam Lim , Douwe Kiela , Austin Reiter

In many machine learning for healthcare tasks, standard datasets are constructed by amassing data across many, often fundamentally dissimilar, sources. But when does adding more data help, and when does it hinder progress on desired model…

Machine Learning · Computer Science 2024-08-09 Judy Hanwen Shen , Inioluwa Deborah Raji , Irene Y. Chen

We address the problem of integrating data from multiple, possibly biased, observational and interventional studies, to eventually compute counterfactuals in structural causal models. We start from the case of a single observational dataset…

Artificial Intelligence · Computer Science 2023-03-17 Marco Zaffalon , Alessandro Antonucci , David Huber , Rafael Cabañas

At the heart of the success of deep learning is the quality of the data. Through data augmentation, one can train models with better generalization capabilities and thus achieve greater results in their field of interest. In this work, we…

Computer Vision and Pattern Recognition · Computer Science 2021-10-28 George Chogovadze , Rémi Pautrat , Marc Pollefeys

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

Data augmentation is a ubiquitous technique for improving image classification when labeled data is scarce. Constraining the model predictions to be invariant to diverse data augmentations effectively injects the desired representational…

Computer Vision and Pattern Recognition · Computer Science 2022-11-21 Yuliang Zou , Jinwoo Choi , Qitong Wang , Jia-Bin Huang

Fine-tuning a pre-trained language model via the contrastive learning framework with a large amount of unlabeled sentences or labeled sentence pairs is a common way to obtain high-quality sentence representations. Although the contrastive…

Computation and Language · Computer Science 2022-11-01 Tianduo Wang , Wei Lu
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