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Deep artificial neural networks require a large corpus of training data in order to effectively learn, where collection of such training data is often expensive and laborious. Data augmentation overcomes this issue by artificially inflating…

机器学习 · 计算机科学 2017-08-22 Luke Taylor , Geoff Nitschke

In recent years, deep learning has achieved remarkable achievements in many fields, including computer vision, natural language processing, speech recognition and others. Adequate training data is the key to ensure the effectiveness of the…

机器学习 · 计算机科学 2019-05-24 Chunxu Zhang , Jiaxu Cui , Bo Yang

Data augmentation is an effective and universal technique for improving generalization performance of deep neural networks. It could enrich diversity of training samples that is essential in medical image segmentation tasks because 1) the…

图像与视频处理 · 电气工程与系统科学 2020-12-29 Ju Xu , Mengzhang Li , Zhanxing Zhu

Deep learning has been achieving decent performance in computer vision requiring a large volume of images, however, collecting images is expensive and difficult in many scenarios. To alleviate this issue, many image augmentation algorithms…

计算机视觉与模式识别 · 计算机科学 2023-05-31 Mingle Xu , Sook Yoon , Alvaro Fuentes , Dong Sun Park

Fine-tuning is widely applied in image classification tasks as a transfer learning approach. It re-uses the knowledge from a source task to learn and obtain a high performance in target tasks. Fine-tuning is able to alleviate the challenge…

计算机视觉与模式识别 · 计算机科学 2022-07-27 Xuyang Shen , Jo Plested , Sabrina Caldwell , Yiran Zhong , Tom Gedeon

In order to reduce overfitting, neural networks are typically trained with data augmentation, the practice of artificially generating additional training data via label-preserving transformations of existing training examples. While these…

计算机视觉与模式识别 · 计算机科学 2019-01-23 Cecilia Summers , Michael J. Dinneen

Deep learning models with large learning capacities often overfit to medical imaging datasets. This is because training sets are often relatively small due to the significant time and financial costs incurred in medical data acquisition and…

计算机视觉与模式识别 · 计算机科学 2021-03-16 Lok Hin Lee , Yuan Gao , J. Alison Noble

A key challenge in leveraging data augmentation for neural network training is choosing an effective augmentation policy from a large search space of candidate operations. Properly chosen augmentation policies can lead to significant…

计算机视觉与模式识别 · 计算机科学 2019-05-15 Daniel Ho , Eric Liang , Ion Stoica , Pieter Abbeel , Xi Chen

Data augmentation is a critical component of training deep learning models. Although data augmentation has been shown to significantly improve image classification, its potential has not been thoroughly investigated for object detection.…

计算机视觉与模式识别 · 计算机科学 2019-06-27 Barret Zoph , Ekin D. Cubuk , Golnaz Ghiasi , Tsung-Yi Lin , Jonathon Shlens , Quoc V. Le

Augmenting training datasets has been shown to improve the learning effectiveness for several computer vision tasks. A good augmentation produces an augmented dataset that adds variability while retaining the statistical properties of the…

计算机视觉与模式识别 · 计算机科学 2020-04-01 Tom Ching LingChen , Ava Khonsari , Amirreza Lashkari , Mina Rafi Nazari , Jaspreet Singh Sambee , Mario A. Nascimento

Vision and learning have made significant progress that could improve robotics policies for complex tasks and environments. Learning deep neural networks for image understanding, however, requires large amounts of domain-specific visual…

机器学习 · 计算机科学 2019-07-31 Alexander Pashevich , Robin Strudel , Igor Kalevatykh , Ivan Laptev , Cordelia Schmid

Data augmentation is an effective technique to improve the generalization of deep neural networks. Recently, AutoAugment proposed a well-designed search space and a search algorithm that automatically finds augmentation policies in a…

计算机视觉与模式识别 · 计算机科学 2021-10-08 Chih-Yang Chen , Che-Han Chang

Data augmentation is known to improve the generalization capabilities of neural networks, provided that the set of transformations is chosen with care, a selection often performed manually. Automatic data augmentation aims at automating…

计算机视觉与模式识别 · 计算机科学 2023-06-19 Juliette Marrie , Michael Arbel , Diane Larlus , Julien Mairal

Data augmentation is a ubiquitous technique for increasing the size of labeled training sets by leveraging task-specific data transformations that preserve class labels. While it is often easy for domain experts to specify individual…

Underlying data structures, such as symmetries or invariances to transformations, are often exploited to improve the solution of learning tasks. However, embedding these properties in models or learning algorithms can be challenging and…

机器学习 · 计算机科学 2023-09-19 Ignacio Hounie , Luiz F. O. Chamon , Alejandro Ribeiro

Data augmentation is widely used for machine learning; however, an effective method to apply data augmentation has not been established even though it includes several factors that should be tuned carefully. One such factor is sample…

机器学习 · 计算机科学 2020-10-30 Tomoumi Takase , Ryo Karakida , Hideki Asoh

Manipulating data, such as weighting data examples or augmenting with new instances, has been increasingly used to improve model training. Previous work has studied various rule- or learning-based approaches designed for specific types of…

机器学习 · 计算机科学 2019-10-29 Zhiting Hu , Bowen Tan , Ruslan Salakhutdinov , Tom Mitchell , Eric P. Xing

Data augmentation is a key element in training high-dimensional models. In this approach, one synthesizes new observations by applying pre-specified transformations to the original training data; e.g.~new images are formed by rotating old…

计算机视觉与模式识别 · 计算机科学 2016-07-01 Søren Hauberg , Oren Freifeld , Anders Boesen Lindbo Larsen , John W. Fisher , Lars Kai Hansen

Data augmentation (DA) is widely used to improve the generalization of neural networks by enforcing the invariances and symmetries to pre-defined transformations applied to input data. However, a fixed augmentation policy may have different…

计算机视觉与模式识别 · 计算机科学 2023-10-04 Chengkai Hou , Jieyu Zhang , Tianyi Zhou

Deep learning (DL) algorithms have shown significant performance in various computer vision tasks. However, having limited labelled data lead to a network overfitting problem, where network performance is bad on unseen data as compared to…

计算机视觉与模式识别 · 计算机科学 2023-03-14 Teerath Kumar , Alessandra Mileo , Rob Brennan , Malika Bendechache