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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…

计算与语言 · 计算机科学 2025-04-10 Alessio Tosolini , Claire Bowern

Developing neuromorphic intelligence on event-based datasets with Spiking Neural Networks (SNNs) has recently attracted much research attention. However, the limited size of event-based datasets makes SNNs prone to overfitting and unstable…

计算机视觉与模式识别 · 计算机科学 2022-07-21 Yuhang Li , Youngeun Kim , Hyoungseob Park , Tamar Geller , Priyadarshini Panda

Data augmentation has proven to be effective in training neural networks. Recently, a method called RandAug was proposed, randomly selecting data augmentation techniques from a predefined search space. RandAug has demonstrated significant…

Data-Augmentation (DA) is known to improve performance across tasks and datasets. We propose a method to theoretically analyze the effect of DA and study questions such as: how many augmented samples are needed to correctly estimate the…

机器学习 · 计算机科学 2022-02-18 Randall Balestriero , Ishan Misra , Yann LeCun

Recent studies on semi-supervised semantic segmentation (SSS) have seen fast progress. Despite their promising performance, current state-of-the-art methods tend to increasingly complex designs at the cost of introducing more network…

计算机视觉与模式识别 · 计算机科学 2022-12-12 Zhen Zhao , Lihe Yang , Sifan Long , Jimin Pi , Luping Zhou , Jingdong Wang

In this paper, we propose MixSpeech, a simple yet effective data augmentation method based on mixup for automatic speech recognition (ASR). MixSpeech trains an ASR model by taking a weighted combination of two different speech features…

计算与语言 · 计算机科学 2021-02-26 Linghui Meng , Jin Xu , Xu Tan , Jindong Wang , Tao Qin , Bo Xu

Contrastive learning enables learning useful audio and speech representations without ground-truth labels by maximizing the similarity between latent representations of similar signal segments. In this framework various data augmentation…

音频与语音处理 · 电气工程与系统科学 2022-04-11 Salah Zaiem , Titouan Parcollet , Slim Essid

Data augmentation has been widely used to improve deep neural networks in many research fields, such as computer vision. However, less work has been done in the context of text, partially due to its discrete nature and the complexity of…

计算与语言 · 计算机科学 2021-01-12 Ping Yu , Ruiyi Zhang , Yang Zhao , Yizhe Zhang , Chunyuan Li , Changyou Chen

Data augmentation has become a crucial component to train state-of-the-art visual representation models. However, handcrafting combinations of transformations that lead to improved performances is a laborious task, which can result in…

计算机视觉与模式识别 · 计算机科学 2023-03-20 Pietro Astolfi , Arantxa Casanova , Jakob Verbeek , Pascal Vincent , Adriana Romero-Soriano , Michal Drozdzal

Self-supervised representation learning (SSRL) has demonstrated superior performance than supervised models for tasks including phoneme recognition. Training SSRL models poses a challenge for low-resource languages where sufficient…

音频与语音处理 · 电气工程与系统科学 2024-07-02 Asad Ullah , Alessandro Ragano , Andrew Hines

Medical image analysis suffers from a lack of labeled data due to several challenges including patient privacy and lack of experts. Although some AI models only perform well with large amounts of data, we will move to data augmentation…

图像与视频处理 · 电气工程与系统科学 2025-11-26 Khadija Rais , Mohamed Amroune , Mohamed Yassine Haouam , Abdelmadjid Benmachiche

Data augmentation is usually adopted to increase the amount of training data, prevent overfitting and improve the performance of deep models. However, in practice, random data augmentation, such as random image cropping, is low-efficiency…

计算机视觉与模式识别 · 计算机科学 2019-03-26 Tao Hu , Honggang Qi , Qingming Huang , Yan Lu

Few-shot learning aims to learn a new concept when only a few training examples are available, which has been extensively explored in recent years. However, most of the current works heavily rely on a large-scale labeled auxiliary set to…

计算机视觉与模式识别 · 计算机科学 2020-09-18 Tiexin Qin , Wenbin Li , Yinghuan Shi , Yang Gao

In computer vision, it is standard practice to draw a single sample from the data augmentation procedure for each unique image in the mini-batch. However recent work has suggested drawing multiple samples can achieve higher test accuracies.…

机器学习 · 计算机科学 2022-02-25 Stanislav Fort , Andrew Brock , Razvan Pascanu , Soham De , Samuel L. Smith

In the ever-evolving landscape of social network advertising, the volume and accuracy of data play a critical role in the performance of predictive models. However, the development of robust predictive algorithms is often hampered by the…

社会与信息网络 · 计算机科学 2024-11-13 Qikai Yang , Panfeng Li , Xinhe Xu , Zhicheng Ding , Wenjing Zhou , Yi Nian

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…

计算与语言 · 计算机科学 2023-06-14 Zhengxiang Shi , Aldo Lipani

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…

计算机视觉与模式识别 · 计算机科学 2020-11-25 Chengyue Gong , Dilin Wang , Meng Li , Vikas Chandra , Qiang Liu

Data augmentation is essential when applying Machine Learning in small-data regimes. It generates new samples following the observed data distribution while increasing their diversity and variability to help researchers and practitioners…

机器学习 · 计算机科学 2023-04-10 Audrey Poinsot , Alessandro Leite

Recent studies have revealed the intriguing few-shot learning ability of pretrained language models (PLMs): They can quickly adapt to a new task when fine-tuned on a small amount of labeled data formulated as prompts, without requiring…

计算与语言 · 计算机科学 2023-05-15 Yu Meng , Martin Michalski , Jiaxin Huang , Yu Zhang , Tarek Abdelzaher , Jiawei Han

Dataset augmentation, the practice of applying a wide array of domain-specific transformations to synthetically expand a training set, is a standard tool in supervised learning. While effective in tasks such as visual recognition, the set…

机器学习 · 统计学 2017-02-21 Terrance DeVries , Graham W. Taylor