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Data augmentation has been demonstrated as an effective strategy for improving model generalization and data efficiency. However, due to the discrete nature of natural language, designing label-preserving transformations for text data tends…

Computation and Language · Computer Science 2020-10-20 Yanru Qu , Dinghan Shen , Yelong Shen , Sandra Sajeev , Jiawei Han , Weizhu Chen

Instruction tuning is crucial for aligning Large Language Models (LLMs), yet the quality of instruction-following data varies significantly. While high-quality data is paramount, it is often scarce; conversely, abundant low-quality data is…

Computation and Language · Computer Science 2025-10-24 Zhijie Deng , Zhouan Shen , Ling Li , Yao Zhou , Zhaowei Zhu , Yanji He , Wei Wang , Jiaheng Wei

Current data augmentation techniques and transformations are well suited for improving the size and quality of natural image datasets but are not yet optimized for medical imaging. We hypothesize that sub-optimal data augmentations can…

Image and Video Processing · Electrical Eng. & Systems 2023-01-06 Tara M. Pattilachan , Ugur Demir , Elif Keles , Debesh Jha , Derk Klatte , Megan Engels , Sanne Hoogenboom , Candice Bolan , Michael Wallace , Ulas Bagci

Scaling laws dictate that the performance of AI models is proportional to the amount of available data. Data augmentation is a promising solution to expanding the dataset size. Traditional approaches focused on augmentation using rotation,…

Computer Vision and Pattern Recognition · Computer Science 2024-09-04 Fazle Rahat , M Shifat Hossain , Md Rubel Ahmed , Sumit Kumar Jha , Rickard Ewetz

Data augmentation has proven widely effective in computer vision. In Natural Language Processing (NLP) data augmentation remains an area of active research. There is no widely accepted augmentation technique that works well across tasks and…

Computation and Language · Computer Science 2023-03-07 Isabel Garcia Pietri , Kineret Stanley

This paper presents a constraint-based morphological disambiguation approach that is applicable languages with complex morphology--specifically agglutinative languages with productive inflectional and derivational morphological phenomena.…

cmp-lg · Computer Science 2008-02-03 Kemal Oflazer , Gokhan Tur

The challenges facing speech recognition systems, such as variations in pronunciations, adverse audio conditions, and the scarcity of labeled data, emphasize the necessity for a post-processing step that corrects recurring errors. Previous…

Computation and Language · Computer Science 2023-10-18 Tomer Wullach , Shlomo E. Chazan

Invariance to a broad array of image corruptions, such as warping, noise, or color shifts, is an important aspect of building robust models in computer vision. Recently, several new data augmentations have been proposed that significantly…

Computer Vision and Pattern Recognition · Computer Science 2021-11-22 Eric Mintun , Alexander Kirillov , Saining Xie

Adversarial training has been shown effective at endowing the learned representations with stronger generalization ability. However, it typically requires expensive computation to determine the direction of the injected perturbations. In…

Computation and Language · Computer Science 2020-10-26 Dinghan Shen , Mingzhi Zheng , Yelong Shen , Yanru Qu , Weizhu Chen

Data augmentation is widely used for training a neural network given little labeled data. A common practice of augmentation training is applying a composition of multiple transformations sequentially to the data. Existing augmentation…

Machine Learning · Computer Science 2024-08-27 Dongyue Li , Kailai Chen , Predrag Radivojac , Hongyang R. Zhang

Blind music source separation has been a popular and active subject of research in both the music information retrieval and signal processing communities. To counter the lack of available multi-track data for supervised model training, a…

Audio and Speech Processing · Electrical Eng. & Systems 2020-08-07 Ching-Yu Chiu , Wen-Yi Hsiao , Yin-Cheng Yeh , Yi-Hsuan Yang , Alvin Wen-Yu Su

Data augmentation improves the generalization power of deep learning models by synthesizing more training samples. Sample-mixing is a popular data augmentation approach that creates additional data by combining existing samples. Recent…

Computer Vision and Pattern Recognition · Computer Science 2024-03-20 Tsz-Him Cheung , Dit-Yan Yeung

Data augmentation has been widely used in low-resource NER tasks to tackle the problem of data sparsity. However, previous data augmentation methods have the disadvantages of disrupted syntactic structures, token-label mismatch, and…

Computation and Language · Computer Science 2023-07-18 Sihan Song , Furao Shen , Jian Zhao

Paired image-text data with subtle variations in-between (e.g., people holding surfboards vs. people holding shovels) hold the promise of producing Vision-Language Models with proper compositional understanding. Synthesizing such training…

Computer Vision and Pattern Recognition · Computer Science 2025-04-01 Haoxin Li , Boyang Li

Time-series data augmentation mitigates the issue of insufficient training data for deep learning models. Yet, existing augmentation methods are mainly designed for classification, where class labels can be preserved even if augmentation…

Machine Learning · Computer Science 2023-03-28 Xiyuan Zhang , Ranak Roy Chowdhury , Jingbo Shang , Rajesh Gupta , Dezhi Hong

In this progress paper the previous results of the single note recognition by deep learning are presented. The several ways for data augmentation and "artificial semantic" augmentation are proposed to enhance efficiency of deep learning…

Fine-tuning tabular foundation models (TFMs) under data scarcity is challenging, as early stopping on even scarcer validation data often fails to capture true generalization performance. We propose CausalMixFT, a method that enhances…

Machine Learning · Computer Science 2026-01-22 Magnus Bühler , Lennart Purucker , Frank Hutter

It's hard for neural MWP solvers to deal with tiny local variances. In MWP task, some local changes conserve the original semantic while the others may totally change the underlying logic. Currently, existing datasets for MWP task contain…

Computation and Language · Computer Science 2022-04-19 Ailisi Li , Jiaqing Liang , Yanghua Xiao

As an effective strategy, data augmentation (DA) alleviates data scarcity scenarios where deep learning techniques may fail. It is widely applied in computer vision then introduced to natural language processing and achieves improvements in…

Computation and Language · Computer Science 2022-06-28 Bohan Li , Yutai Hou , Wanxiang Che

Pretrained neural models such as BERT, when fine-tuned to perform natural language inference (NLI), often show high accuracy on standard datasets, but display a surprising lack of sensitivity to word order on controlled challenge sets. We…

Computation and Language · Computer Science 2020-04-28 Junghyun Min , R. Thomas McCoy , Dipanjan Das , Emily Pitler , Tal Linzen