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相关论文: Time Series Data Augmentation for Deep Learning: A…

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Though data augmentation has become a standard component of deep neural network training, the underlying mechanism behind the effectiveness of these techniques remains poorly understood. In practice, augmentation policies are often chosen…

机器学习 · 计算机科学 2020-06-08 Raphael Gontijo-Lopes , Sylvia J. Smullin , Ekin D. Cubuk , Ethan Dyer

In current research, machine and deep learning solutions for the classification of temporal data are shifting from single-channel datasets (univariate) to problems with multiple channels of information (multivariate). The majority of these…

机器学习 · 计算机科学 2023-04-13 Leonardos Pantiskas , Kees Verstoep , Mark Hoogendoorn , Henri Bal

Efficient anomaly detection and diagnosis in multivariate time-series data is of great importance for modern industrial applications. However, building a system that is able to quickly and accurately pinpoint anomalous observations is a…

机器学习 · 计算机科学 2022-05-17 Shreshth Tuli , Giuliano Casale , Nicholas R. Jennings

In this paper we investigate the benefit of augmenting data with synthetically created samples when training a machine learning classifier. Two approaches for creating additional training samples are data warping, which generates additional…

计算机视觉与模式识别 · 计算机科学 2016-11-29 Sebastien C. Wong , Adam Gatt , Victor Stamatescu , Mark D. McDonnell

Data redundancy is ubiquitous in the inputs and intermediate results of Deep Neural Networks (DNN). It offers many significant opportunities for improving DNN performance and efficiency and has been explored in a large body of work. These…

机器学习 · 计算机科学 2022-08-30 Jou-An Chen , Wei Niu , Bin Ren , Yanzhi Wang , Xipeng Shen

Machine learning-based medical anomaly detection is an important problem that has been extensively studied. Numerous approaches have been proposed across various medical application domains and we observe several similarities across these…

机器学习 · 计算机科学 2021-04-14 Tharindu Fernando , Harshala Gammulle , Simon Denman , Sridha Sridharan , Clinton Fookes

Time series data are often corrupted by outliers or other kinds of anomalies. Identifying the anomalous points can be a goal on its own (anomaly detection), or a means to improving performance of other time series tasks (e.g. forecasting).…

机器学习 · 计算机科学 2021-12-30 François-Xavier Aubet , Daniel Zügner , Jan Gasthaus

Data augmentation is a widely used technique and an essential ingredient in the recent advance in self-supervised representation learning. By preserving the similarity between augmented data, the resulting data representation can improve…

机器学习 · 统计学 2025-01-16 Shulei Wang

Imbalanced datasets present a significant challenge for machine learning models, often leading to biased predictions. To address this issue, data augmentation techniques are widely used in natural language processing (NLP) to generate new…

计算与语言 · 计算机科学 2023-04-21 Gabriel O. Assunção , Rafael Izbicki , Marcos O. Prates

In this paper we study data augmentation for opcode sequence based Android malware detection. Data augmentation has been successfully used in many areas of deep-learning to significantly improve model performance. Typically, data…

密码学与安全 · 计算机科学 2022-04-01 Niall McLaughlin , Jesus Martinez del Rincon

Data augmentation in time series forecasting plays a crucial role in enhancing model performance by introducing variability while maintaining the underlying temporal patterns. However, time series data offers fewer augmentation strategies…

机器学习 · 计算机科学 2025-11-12 Dang Nha Nguyen , Hai Dang Nguyen , Khoa Tho Anh Nguyen

Providing online adaptive lightweight time series anomaly detection without human intervention and domain knowledge is highly valuable. Several such anomaly detection approaches have been introduced in the past years, but all of them were…

机器学习 · 计算机科学 2023-05-11 Ming-Chang Lee , Jia-Chun Lin

Deep networks for visual recognition are known to leverage "easy to recognise" portions of objects such as faces and distinctive texture patterns. The lack of a holistic understanding of objects may increase fragility and overfitting. In…

计算机视觉与模式识别 · 计算机科学 2019-10-28 Ruth Fong , Andrea Vedaldi

Electronic nose has been proven to be effective in alternative herbal medicine classification, but due to the nature of supervised learning, previous research heavily relies on the labelled training data, which are time-costly and…

机器学习 · 计算机科学 2021-07-20 Li Liu , Xianghao Zhan , Rumeng Wu , Xiaoqing Guan , Zhan Wang , Wei Zhang , Mert Pilanci , You Wang , Zhiyuan Luo , Guang Li

We measure the influence of image augmentations and training dataset size when training a deep neural network to classify galaxy morphology. Data augmentation is an integral step when training machine learning models and often astronomers…

天体物理仪器与方法 · 物理学 2026-04-29 Leon H. Butterworth , Ashley Spindler

Training large-scale deep neural networks is a long, time-consuming operation, often requiring many GPUs to accelerate. In large models, the time spent loading data takes a significant portion of model training time. As GPU servers are…

计算机视觉与模式识别 · 计算机科学 2020-05-06 Mahdi Zolnouri , Xinlin Li , Vahid Partovi Nia

Data augmentation has become a standard component of vision pre-trained models to capture the invariance between augmented views. In practice, augmentation techniques that mask regions of a sample with zero/mean values or patches from other…

计算机视觉与模式识别 · 计算机科学 2023-10-31 Shentong Mo , Zhun Sun , Chao Li

Visual surveillance aims to stably detect a foreground object using a continuous image acquired from a fixed camera. Recent deep learning methods based on supervised learning show superior performance compared to classical background…

计算机视觉与模式识别 · 计算机科学 2021-02-16 Jae-Yeul Kim , Jong-Eun Ha

Contextual ranking models have delivered impressive performance improvements over classical models in the document ranking task. However, these highly over-parameterized models tend to be data-hungry and require large amounts of data even…

信息检索 · 计算机科学 2023-11-28 Abhijit Anand , Jurek Leonhardt , Jaspreet Singh , Koustav Rudra , Avishek Anand

Recent advances in the field of artificial intelligence have been made possible by deep neural networks. In applications where data are scarce, transfer learning and data augmentation techniques are commonly used to improve the…

计算机视觉与模式识别 · 计算机科学 2020-02-13 Mohammad Saeed Abrishami , Amir Erfan Eshratifar , David Eigen , Yanzhi Wang , Shahin Nazarian , Massoud Pedram
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