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When using artificial neural networks for multichannel speech enhancement, filtering is often achieved by estimating a complex-valued mask that is applied to all or one reference channel of the input signal. The estimation of this mask is…

Audio and Speech Processing · Electrical Eng. & Systems 2024-06-18 Annika Briegleb , Walter Kellermann

Motor imagery electroencephalogram (EEG)-based brain-computer interfaces (BCIs) offer significant advantages for individuals with restricted limb mobility. However, challenges such as low signal-to-noise ratio and limited spatial resolution…

Human-Computer Interaction · Computer Science 2024-06-21 Xicheng Lou , Xinwei Li , Hongying Meng , Jun Hu , Meili Xu , Yue Zhao , Jiazhang Yang , Zhangyong Li

Classification of EEG signals using shallow Convolutional Neural Networks (CNNs) is a prevalent and successful approach across a variety of fields. Most of these models use independent one-dimensional (1D) convolutional layers along the…

Machine Learning · Computer Science 2026-05-06 Laurits Dixen , Stefan Heinrich , Paolo Burelli

During speech perception, a listener's electroencephalogram (EEG) reflects acoustic-level processing as well as higher-level cognitive factors such as speech comprehension and attention. However, decoding speech from EEG recordings is…

Audio and Speech Processing · Electrical Eng. & Systems 2023-03-14 Mike Thornton , Danilo Mandic , Tobias Reichenbach

The electroencephalogram, a type of non-invasive-based brain signal that has a user intention-related feature provides an efficient bidirectional pathway between user and computer. In this work, we proposed a deep learning framework based…

Human-Computer Interaction · Computer Science 2020-12-08 Byoung-Hee Kwon , Byeong-Hoo Lee , Ji-Hoon Jeong

Given rising numbers of bilateral cochlear implant (CI) users, predominantly children, there is a clinical need for efficient and reliable tests that can objectively evaluate binaural hearing. These tests are crucial for guiding the setup…

Medical Physics · Physics 2024-08-09 Hongmei Hu , Ben Williges , Deborah Vickers

Inferring patterns of synchronous brain activity from a heterogeneous sample of electroencephalograms (EEG) is scientifically and methodologically challenging. While it is intuitively and statistically appealing to rely on readings from…

An electroencephalogram (EEG) based brain-computer interface (BCI) speller allows a user to input text to a computer by thought. It is particularly useful to severely disabled individuals, e.g., amyotrophic lateral sclerosis patients, who…

Human-Computer Interaction · Computer Science 2022-11-15 Xiao Zhang , Dongrui Wu , Lieyun Ding , Hanbin Luo , Chin-Teng Lin , Tzyy-Ping Jung , Ricardo Chavarriaga

Spiking neural networks (SNNs) are receiving increased attention because they mimic synaptic connections in biological systems and produce spike trains, which can be approximated by binary values for computational efficiency. Recently, the…

Neural and Evolutionary Computing · Computer Science 2024-03-26 Nathan Lutes , Venkata Sriram Siddhardh Nadendla , K. Krishnamurthy

The use of Automatic speech recognition (ASR) interfaces have become increasingly popular in daily life for use in interaction and control of electronic devices. The interfaces currently being used are not feasible for a variety of users…

Signal Processing · Electrical Eng. & Systems 2022-03-30 Ayush Tripathi

Electroencephalography (EEG) has become the most significant input signal for brain computer interface (BCI) based systems. However, it is very difficult to obtain satisfactory classification accuracy due to traditional methods can not…

Computer Vision and Pattern Recognition · Computer Science 2018-07-30 Chuanqi Tan , Fuchun Sun , Wenchang Zhang , Jianhua Chen , Chunfang Liu

Biomedical decision making involves multiple signal processing, either from different sensors or from different channels. In both cases, information fusion plays a significant role. A deep learning based electroencephalogram channels'…

Signal Processing · Electrical Eng. & Systems 2025-08-05 Fábio Mendonça , Sheikh Shanawaz Mostafa , Diogo Freitas , Fernando Morgado-Dias , Antonio G. Ravelo-García

Electroencephalography (EEG)-based wearable brain-computer interfaces (BCIs) face challenges due to low signal-to-noise ratio (SNR) and non-stationary neural activity. We introduce in this manuscript a mathematically rigorous framework that…

Neurons and Cognition · Quantitative Biology 2025-09-24 Eva Guttmann-Flury , Shan Zhao , Jian Zhao , Mohamad Sawan

Brain-computer interfaces (BCIs) enable direct communication between the brain and external devices, providing critical support for individuals with motor impairments. However, accurate motor imagery (MI) decoding from…

Machine Learning · Computer Science 2026-04-08 Panagiotis Andrikopoulos , Siamak Mehrkanoon

Due to the limitations in the accuracy and robustness of current electroencephalogram (EEG) classification algorithms, applying motor imagery (MI) for practical Brain-Computer Interface (BCI) applications remains challenging. This paper…

Human-Computer Interaction · Computer Science 2023-12-21 Shiwei Cheng , Yuejiang Hao

An important field of research in functional neuroimaging is the discovery of integrated, distributed brain systems and networks, whose different regions need to work in unison for normal functioning. The EEG is a non-invasive technique…

Electroencephalography (EEG) provides a non-invasive window into brain activity, offering high temporal resolution crucial for understanding and interacting with neural processes through brain-computer interfaces (BCIs). Current dual-stream…

Machine Learning · Computer Science 2026-04-03 Chenghao Yue , Zhiyuan Ma , Zhongye Xia , Xinche Zhang , Yisi Zhang , Xinke Shen , Sen Song

Brain-Computer interfaces (BCIs) play a significant role in easing neuromuscular patients on controlling computers and prosthetics. Due to their high signal-to-noise ratio, steady-state visually evoked potentials (SSVEPs) has been widely…

This study examines the effectiveness of traditional machine learning classifiers versus deep learning models for detecting the imagined speech using electroencephalogram data. Specifically, we evaluated conventional machine learning…

Machine Learning · Computer Science 2024-12-18 Byung-Kwan Ko , Jun-Young Kim , Seo-Hyun Lee

In this paper we propose spatial filters for a linear regression model which are based on the minimum-variance pseudo-unbiased reduced-rank estimation (MV-PURE) framework. As a sample application, we consider the problem of reconstruction…

Signal Processing · Electrical Eng. & Systems 2024-08-02 Tomasz Piotrowski , Jan Nikadon , David Gutierrez