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To investigate the processing of speech in the brain, simple linear models are commonly used to establish a relationship between brain signals and speech features. However, these linear models are ill-equipped to model a highly dynamic and…

Signal Processing · Electrical Eng. & Systems 2024-09-24 Xiran Xu , Bo Wang , Yujie Yan , Haolin Zhu , Zechen Zhang , Xihong Wu , Jing Chen

A significant challenge in the electroencephalogram EEG lies in the fact that current data representations involve multiple electrode signals, resulting in data redundancy and dominant lead information. However extensive research conducted…

Signal Processing · Electrical Eng. & Systems 2024-07-31 Huyen Ngo , Khoi Do , Duong Nguyen , Viet Dung Nguyen , Lan Dang

Classification of EEG-based motor imagery (MI) is a crucial non-invasive application in brain-computer interface (BCI) research. This paper proposes a novel convolutional neural network (CNN) architecture for accurate and robust EEG-based…

Signal Processing · Electrical Eng. & Systems 2021-03-09 Ce Zhang , Young-Keun Kim , Azim Eskandarian

The Guided Imagery technique is reported to be used by therapists all over the world in order to increase the comfort of patients suffering from a variety of disorders from mental to oncology ones and proved to be successful in numerous of…

Machine Learning · Computer Science 2024-05-29 Filip Postepski , Grzegorz M. Wojcik , Krzysztof Wrobel , Andrzej Kawiak , Katarzyna Zemla , Grzegorz Sedek

Decoding natural language from non-invasive electroencephalography (EEG) remains fundamentally limited by low signal-to-noise ratio and restricted information bandwidth. This raises a fundamental question regarding whether sentence-level…

Computation and Language · Computer Science 2026-04-21 Xiaoli Yang , Huiyuan Tian , Yurui Li , Jianyu Zhang , Shijian Li , Gang Pan

Convolutional Neural Networks (CNNs) has shown a great success in many areas including complex image classification tasks. However, they need a lot of memory and computational cost, which hinders them from running in relatively low-end…

Machine Learning · Computer Science 2017-01-26 Marcella Astrid , Seung-Ik Lee

Segmentation has been a major task in neuroimaging. A large number of automated methods have been developed for segmenting healthy and diseased brain tissues. In recent years, deep learning techniques have attracted a lot of attention as a…

Image and Video Processing · Electrical Eng. & Systems 2019-07-05 Jimit Doshi , Guray Erus , Mohamad Habes , Christos Davatzikos

CNNs with strong learning abilities are widely chosen to resolve super-resolution problem. However, CNNs depend on deeper network architectures to improve performance of image super-resolution, which may increase computational cost in…

Computer Vision and Pattern Recognition · Computer Science 2022-08-02 Chunwei Tian , Yixuan Yuan , Shichao Zhang , Chia-Wen Lin , Wangmeng Zuo , David Zhang

Due to the advent of modern embedded systems and mobile devices with constrained resources, there is a great demand for incredibly efficient deep neural networks for machine learning purposes. There is also a growing concern of privacy and…

Computer Vision and Pattern Recognition · Computer Science 2021-12-02 Priyank Kalgaonkar , Mohamed El-Sharkawy

The omnipresence of deep learning architectures such as deep convolutional neural networks (CNN)s is fueled by the synergistic combination of ever-increasing labeled datasets and specialized hardware. Despite the indisputable success, the…

Machine Learning · Statistics 2016-11-29 Meshia Cédric Oveneke , Mitchel Aliosha-Perez , Yong Zhao , Dongmei Jiang , Hichem Sahli

An electrocardiogram (ECG) is a time-series signal that is represented by one-dimensional (1-D) data. Higher dimensional representation contains more information that is accessible for feature extraction. Hidden variables such as frequency…

Machine Learning · Statistics 2019-04-12 K. S. Rajput , S. Wibowo , C. Hao , M. Majmudar

Brain computer interfaces (BCI) enable direct communication with a computer, using neural activity as the control signal. This neural signal is generally chosen from a variety of well-studied electroencephalogram (EEG) signals. For a given…

Machine Learning · Computer Science 2018-06-28 Vernon J. Lawhern , Amelia J. Solon , Nicholas R. Waytowich , Stephen M. Gordon , Chou P. Hung , Brent J. Lance

Model pruning has become a useful technique that improves the computational efficiency of deep learning, making it possible to deploy solutions in resource-limited scenarios. A widely-used practice in relevant work assumes that a…

Machine Learning · Computer Science 2018-02-06 Jianbo Ye , Xin Lu , Zhe Lin , James Z. Wang

Deep convolutional neural networks (CNNs) with a large number of parameters require intensive computational resources, and thus are hard to be deployed in resource-constrained platforms. Decomposition-based methods, therefore, have been…

Computer Vision and Pattern Recognition · Computer Science 2022-10-27 Shaowu Chen , Jiahao Zhou , Weize Sun , Lei Huang

The rapid development in representation learning techniques such as deep neural networks and the availability of large-scale, well-annotated medical imaging datasets have to a rapid increase in the use of supervised machine learning in the…

Computer Vision and Pattern Recognition · Computer Science 2023-04-19 Dat T. Ngo , Thao T. B. Nguyen , Hieu T. Nguyen , Dung B. Nguyen , Ha Q. Nguyen , Hieu H. Pham

Recently, deep learning has shown to be effective for Electroencephalography (EEG) decoding tasks. Yet, its performance can be negatively influenced by two key factors: 1) the high variance and different types of corruption that are…

Signal Processing · Electrical Eng. & Systems 2023-08-24 Tiehang Duan , Zhenyi Wang , Gianfranco Doretto , Fang Li , Cui Tao , Donald Adjeroh

In this work, we explore dimensionality reduction techniques for univariate and multivariate time series data. We especially conduct a comparison between wavelet decomposition and convolutional variational autoencoders for dimension…

Machine Learning · Computer Science 2022-04-26 William Todo , Beatrice Laurent , Jean-Michel Loubes , Merwann Selmani

We introduce an approach to integrate segmentation information within a convolutional neural network (CNN). This counter-acts the tendency of CNNs to smooth information across regions and increases their spatial precision. To obtain…

Computer Vision and Pattern Recognition · Computer Science 2017-08-16 Adam W. Harley , Konstantinos G. Derpanis , Iasonas Kokkinos

Recently, there is increasing interest and research on the interpretability of machine learning models, for example how they transform and internally represent EEG signals in Brain-Computer Interface (BCI) applications. This can help to…

Machine Learning · Computer Science 2018-03-16 Kay Gregor Hartmann , Robin Tibor Schirrmeister , Tonio Ball

How to decode human vision through neural signals has attracted a long-standing interest in neuroscience and machine learning. Modern contrastive learning and generative models improved the performance of visual decoding and reconstruction…

Human-Computer Interaction · Computer Science 2024-10-07 Dongyang Li , Chen Wei , Shiying Li , Jiachen Zou , Haoyang Qin , Quanying Liu
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