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Deep learning approaches are increasingly used to tackle forecasting tasks involving datasets with multiple univariate time series. A key factor in the successful application of these methods is a large enough training sample size, which is…

机器学习 · 计算机科学 2025-01-06 Vitor Cerqueira , Moisés Santos , Luis Roque , Yassine Baghoussi , Carlos Soares

Applications of machine learning are subject to three major components that contribute to the final performance metrics. Within the category of neural networks, and deep learning specifically, the first two are the architecture for the…

机器学习 · 计算机科学 2021-02-23 William H. Clark , Steven Hauser , William C. Headley , Alan J. Michaels

Despite continued advancement in recent years, deep neural networks still rely on large amounts of training data to avoid overfitting. However, labeled training data for real-world applications such as healthcare is limited and difficult to…

Imperfect labels are ubiquitous in real-world datasets. Several recent successful methods for training deep neural networks (DNNs) robust to label noise have used two primary techniques: filtering samples based on loss during a warm-up…

计算机视觉与模式识别 · 计算机科学 2021-04-05 Kento Nishi , Yi Ding , Alex Rich , Tobias Höllerer

End-to-end models have achieved significant improvement on automatic speech recognition. One common method to improve performance of these models is expanding the data-space through data augmentation. Meanwhile, human auditory inspired…

音频与语音处理 · 电气工程与系统科学 2022-04-12 Zehai Tu , Jack Deadman , Ning Ma , Jon Barker

This letter introduces a dual application of denoising diffusion probabilistic model (DDPM)-based channel estimation algorithm integrating data denoising and augmentation. Denoising addresses the severe noise in raw signals at pilot…

信号处理 · 电气工程与系统科学 2025-10-06 Yupeng Li , Ruhao Zhang , Yitong Liu , Chunju Shao , Jing Jin , Shijian Gao

Data augmentation is an essential technique in natural language processing (NLP) for enriching training datasets by generating diverse samples. This process is crucial for improving the robustness and generalization capabilities of NLP…

计算与语言 · 计算机科学 2025-10-16 Zaitian Wang , Jinghan Zhang , Xinhao Zhang , Kunpeng Liu , Pengfei Wang , Yuanchun Zhou

Separating an audio scene into isolated sources is a fundamental problem in computer audition, analogous to image segmentation in visual scene analysis. Source separation systems based on deep learning are currently the most successful…

声音 · 计算机科学 2018-11-07 Prem Seetharaman , Gordon Wichern , Jonathan Le Roux , Bryan Pardo

Data augmentation plays a crucial role in addressing the challenge of limited expert-annotated datasets in deep learning applications for retinal Optical Coherence Tomography (OCT) scans. This work exhaustively investigates the impact of…

图像与视频处理 · 电气工程与系统科学 2024-09-23 Markus Unterdechler , Botond Fazekas , Guilherme Aresta , Hrvoje Bogunović

The hype about sensorimotor learning is currently reaching high fever, thanks to the latest advancement in deep learning. In this paper, we present an open-source framework for collecting large-scale, time-synchronised synthetic data from…

机器人学 · 计算机科学 2019-07-24 A. Barsky , C. Zito , H. Mori , T. Ogata , J. L. Wyatt

The advancement of machine learning in audio analysis has opened new possibilities for technology-enhanced music education. This paper introduces a framework for automatic singing mistake detection in the context of music pedagogy,…

音频与语音处理 · 电气工程与系统科学 2026-02-09 Sumit Kumar , Suraj Jaiswal , Parampreet Singh , Vipul Arora

Mixup is the latest data augmentation technique that linearly interpolates input examples and the corresponding labels. It has shown strong effectiveness in image classification by interpolating images at the pixel level. Inspired by this…

计算与语言 · 计算机科学 2020-11-12 Lichao Sun , Congying Xia , Wenpeng Yin , Tingting Liang , Philip S. Yu , Lifang He

Data augmentation (DA) is widely employed to improve the generalization performance of deep models. However, most existing DA methods employ augmentation operations with fixed or random magnitudes throughout the training process. While this…

计算机视觉与模式识别 · 计算机科学 2025-07-15 Suorong Yang , Peijia Li , Xin Xiong , Furao Shen , Jian Zhao

Fully-supervised models for source separation are trained on parallel mixture-source data and are currently state-of-the-art. However, such parallel data is often difficult to obtain, and it is cumbersome to adapt trained models to mixtures…

音频与语音处理 · 电气工程与系统科学 2022-11-30 Ge Zhu , Jordan Darefsky , Fei Jiang , Anton Selitskiy , Zhiyao Duan

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

Deep Neural Network-based source separation methods usually train independent models to optimize for the separation of individual sources. Although this can lead to good performance for well-defined targets, it can also be computationally…

声音 · 计算机科学 2019-08-15 Clement S. J. Doire , Olumide Okubadejo

Tracking beats of singing voices without the presence of musical accompaniment can find many applications in music production, automatic song arrangement, and social media interaction. Its main challenge is the lack of strong rhythmic and…

音频与语音处理 · 电气工程与系统科学 2022-09-01 Mojtaba Heydari , Zhiyao Duan

Deep neural networks (DNNs) allow digital receivers to learn to operate in complex environments. To do so, DNNs should preferably be trained using large labeled data sets with a similar statistical relationship as the one under which they…

信息论 · 计算机科学 2022-09-07 Tomer Raviv , Nir Shlezinger

Recognizing symmetries in data allows for significant boosts in neural network training. In many cases, however, the underlying symmetry is present only in an idealized dataset, and is broken in the training data, due to effects such as…

高能物理 - 实验 · 物理学 2023-11-13 Edmund Witkowski , Daniel Whiteson

In this paper, a data augmentation method is proposed for depression detection from speech signals. Samples for data augmentation were created by changing the frame-width and the frame-shift parameters during the feature extraction process.…

音频与语音处理 · 电气工程与系统科学 2022-02-15 Vijay Ravi , Jinhan Wang , Jonathan Flint , Abeer Alwan
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