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Deep learning and data-driven approaches have shown great potential in scientific domains. The promise of data-driven techniques relies on the availability of a large volume of high-quality training datasets. Due to the high cost of…

Machine Learning · Computer Science 2022-02-08 Yuxin Yang , Xitong Zhang , Qiang Guan , Youzuo Lin

Deep convolutional neural networks (CNNs) have shown excellent performance in object recognition tasks and dense classification problems such as semantic segmentation. However, training deep neural networks on large and sparse datasets is…

Computer Vision and Pattern Recognition · Computer Science 2017-12-25 Lorenz Berger , Eoin Hyde , M. Jorge Cardoso , Sebastien Ourselin

Noise injection is a fundamental tool for data augmentation, and yet there is no widely accepted procedure to incorporate it with learning frameworks. This study analyzes the effects of adding or applying different noise models of varying…

Computer Vision and Pattern Recognition · Computer Science 2023-07-14 M. Eren Akbiyik

Data augmentation is an important facilitator of deep learning applications in the time series domain. A gap is identified in the literature, demonstrating sparse exploration of the transformer, the dominant sequence model, for data…

Twisted Convolutional Networks (TCNs) are proposed as a novel deep learning architecture for classifying one-dimensional data with arbitrary feature order and minimal spatial relationships. Unlike conventional Convolutional Neural Networks…

Computer Vision and Pattern Recognition · Computer Science 2025-12-09 Junbo Jacob Lian , Haoran Chen , Kaichen Ouyang , Yujun Zhang , Rui Zhong , Huiling Chen

Although deep convolutional neural networks (DCNNs) have achieved significant accuracy in skin lesion classification comparable or even superior to those of dermatologists, practical implementation of these models for skin cancer screening…

Computer Vision and Pattern Recognition · Computer Science 2021-01-08 Shuwei Shen , Mengjuan Xu , Fan Zhang , Pengfei Shao , Honghong Liu , Liang Xu , Chi Zhang , Peng Liu , Zhihong Zhang , Peng Yao , Ronald X. Xu

Recent state-of-the-art forecasting methods are trained on collections of time series. These methods, often referred to as global models, can capture common patterns in different time series to improve their generalization performance.…

Machine Learning · Computer Science 2024-04-30 Vitor Cerqueira , Nuno Moniz , Ricardo Inácio , Carlos Soares

With the rapid development of deep learning, automatic modulation recognition (AMR), as an important task in cognitive radio, has gradually transformed from traditional feature extraction and classification to automatic classification by…

Signal Processing · Electrical Eng. & Systems 2024-10-30 Xinjie Xu , Zhuangzhi Chen , Dongwei Xu , Huaji Zhou , Shanqing Yu , Shilian Zheng , Qi Xuan , Xiaoniu Yang

We study the problem of robust data augmentation for regression tasks in the presence of noisy data. Data augmentation is essential for generalizing deep learning models, but most of the techniques like the popular Mixup are primarily…

Machine Learning · Computer Science 2024-08-19 Seong-Hyeon Hwang , Minsu Kim , Steven Euijong Whang

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

The generalizability of machine learning (ML) models for wearable monitoring in stroke rehabilitation is often constrained by the limited scale and heterogeneity of available data. Data augmentation addresses this challenge by adding…

Machine Learning · Computer Science 2024-11-01 Aaron J. Hadley , Christopher L. Pulliam

This report deals with translation invariance of convolutional neural networks (CNNs) for automatic target recognition (ATR) from synthetic aperture radar (SAR) imagery. In particular, the translation invariance of CNNs for SAR ATR…

Computer Vision and Pattern Recognition · Computer Science 2017-08-29 Hidetoshi Furukawa

We consider the problem of data augmentation, i.e., generating artificial samples to extend a given corpus of training data. Specifically, we propose attributed-guided augmentation (AGA) which learns a mapping that allows to synthesize data…

Computer Vision and Pattern Recognition · Computer Science 2017-08-29 Mandar Dixit , Roland Kwitt , Marc Niethammer , Nuno Vasconcelos

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

Statistical methods such as the Box-Jenkins method for time-series forecasting have been prominent since their development in 1970. Many researchers rely on such models as they can be efficiently estimated and also provide interpretability.…

Machine Learning · Computer Science 2021-05-10 Indrajeet Y. Javeri , Mohammadhossein Toutiaee , Ismailcem B. Arpinar , Tom W. Miller , John A. Miller

Mixup, a recent proposed data augmentation method through linearly interpolating inputs and modeling targets of random samples, has demonstrated its capability of significantly improving the predictive accuracy of the state-of-the-art…

Computation and Language · Computer Science 2019-05-23 Hongyu Guo , Yongyi Mao , Richong Zhang

Recent contrastive methods show significant improvement in self-supervised learning in several domains. In particular, contrastive methods are most effective where data augmentation can be easily constructed e.g. in computer vision.…

Machine Learning · Computer Science 2021-12-09 Konstantinos Kallidromitis , Denis Gudovskiy , Kazuki Kozuka , Iku Ohama , Luca Rigazio

Optimization of image transformation functions for the purpose of data augmentation has been intensively studied. In particular, adversarial data augmentation strategies, which search augmentation maximizing task loss, show significant…

Computer Vision and Pattern Recognition · Computer Science 2022-03-30 Teppei Suzuki

Data augmentations are important ingredients in the recipe for training robust neural networks, especially in computer vision. A fundamental question is whether neural network features encode data augmentation transformations. To answer…

Computer Vision and Pattern Recognition · Computer Science 2021-10-29 Eddie Yan , Yanping Huang

Deep learning models show remarkable results in automated skin lesion analysis. However, these models demand considerable amounts of data, while the availability of annotated skin lesion images is often limited. Data augmentation can expand…

Computer Vision and Pattern Recognition · Computer Science 2019-02-15 Fábio Perez , Cristina Vasconcelos , Sandra Avila , Eduardo Valle