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Brain-computer interfaces (BCIs) have enabled prosthetic device control by decoding motor movements from neural activities. Neural signals recorded from cortex exhibit nonstationary property due to abrupt noises and neuroplastic changes in…

信号处理 · 电气工程与系统科学 2019-11-05 Yu Qi , Bin Liu , Yueming Wang , Gang Pan

Visual decoding from brain signals is a key challenge at the intersection of computer vision and neuroscience, requiring methods that bridge neural representations and computational models of vision. We introduce a tri-modal contrastive…

机器学习 · 计算机科学 2026-05-26 Zexuan Chen , Sichao Liu , Runhao Lu , Huichao Qi , Alexandra Woolgar , Xi Vincent Wang , Lihui Wang

Detecting the salient parts of motor-imagery electroencephalogram (MI-EEG) signals can enhance the performance of the brain-computer interface (BCI) system and reduce the computational burden required for processing lengthy MI-EEG signals.…

信号处理 · 电气工程与系统科学 2022-04-20 Navid Ayoobi , Elnaz Banan Sadeghian

Brain-Computer Interface (BCI) system provides a pathway between humans and the outside world by analyzing brain signals which contain potential neural information. Electroencephalography (EEG) is one of most commonly used brain signals and…

信号处理 · 电气工程与系统科学 2018-11-07 Xian-Rui Zhang , Meng-Ying Lei , Yang Li

Brain-computer interface (BCI) technology enables direct communication between the brain and external devices through electroencephalography (EEG) signals. However, existing decoding models often mix common and personalized components,…

神经元与认知 · 定量生物学 2025-11-21 Xiaoyuan Li , Xinru Xue , Bohan Zhang , Ye Sun , Shoushuo Xi , Gang Liu

A brain-computer interface (BCI) enables a user to communicate with a computer directly using brain signals. The most common non-invasive BCI modality, electroencephalogram (EEG), is sensitive to noise/artifact and suffers…

人机交互 · 计算机科学 2022-11-15 Dongrui Wu , Yifan Xu , Bao-Liang Lu

Electroencephalography (EEG) is an important clinical tool for grading injury caused by lack of oxygen or blood to the brain during birth. Characteristics of low-voltage waveforms, known as inter-bursts, are related to different grades of…

信号处理 · 电气工程与系统科学 2019-07-08 Sumit A. Raurale , Saif Nalband , Geraldine B. Boylan , Gordon Lightbody , John M. O'Toole

Nowadays, Brain Computer Interface has an important role in the life quality of parallelized people. However, this technique is mainly affected by the quality of the recorded signal in each trial. This problem could be solved by rejecting…

信号处理 · 电气工程与系统科学 2019-07-01 Mohammad Ali Amirabadi

Brain signal variability in the measurements obtained from different subjects during different sessions significantly deteriorates the accuracy of most brain-computer interface (BCI) systems. Moreover these variabilities, also known as…

机器学习 · 统计学 2013-05-09 Berdakh Abibullaev , Jinung An , Seung-Hyun Lee , Sang-Hyeon Jin , Jeon-Il Moon

For sequence-to-sequence tasks it is challenging to combine individual system outputs. Further, there is also often a mismatch between the decoding criterion and the one used for assessment. Minimum Bayes' Risk (MBR) decoding can be used to…

计算与语言 · 计算机科学 2023-10-30 Vyas Raina , Mark Gales

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…

信号处理 · 电气工程与系统科学 2024-07-31 Huyen Ngo , Khoi Do , Duong Nguyen , Viet Dung Nguyen , Lan Dang

Approximate Bayesian computation performs approximate inference for models where likelihood computations are expensive or impossible. Instead simulations from the model are performed for various parameter values and accepted if they are…

统计计算 · 统计学 2015-12-16 Dennis Prangle

This study aims to investigate the utilization of Bayesian techniques for the calibration of micro-electro-mechanical systems (MEMS) accelerometers. These devices have garnered substantial interest in various practical applications and…

信号处理 · 电气工程与系统科学 2023-06-13 Oliver Dürr , Po-Yu Fan , Zong-Xian Yin

Neural networks can learn spurious correlations that lead to the correct prediction in a validation set, but generalise poorly because the predictions are right for the wrong reason. This undesired learning of naive shortcuts (Clever Hans…

计算机视觉与模式识别 · 计算机科学 2024-06-28 Kit Mills Bransby , Arian Beqiri , Woo-Jin Cho Kim , Jorge Oliveira , Agisilaos Chartsias , Alberto Gomez

Deep learning techniques have revolutionized the field of machine learning and were recently successfully applied to various classification problems in noninvasive electroencephalography (EEG). However, these methods were so far only rarely…

Traditional methods of controlling prosthetics frequently encounter difficulties regarding flexibility and responsiveness, which can substantially impact people with varying cognitive and physical abilities. Advancements in computational…

信号处理 · 电气工程与系统科学 2024-06-05 Eeshan G. Dandamudi

Speech-related Brain Computer Interfaces (BCI) aim primarily at finding an alternative vocal communication pathway for people with speaking disabilities. As a step towards full decoding of imagined speech from active thoughts, we present a…

机器学习 · 计算机科学 2019-04-10 Pramit Saha , Muhammad Abdul-Mageed , Sidney Fels

The attentional blink (AB) effect is the reduced ability of subjects to report a second target stimuli (T2) among a rapidly presented series of non-target stimuli, when it appears within a time window of about 200-500 ms after a first…

神经元与认知 · 定量生物学 2017-09-28 Nadav Amir , Israel Nelken , Naftali Tishby

This paper investigates decoding of binary linear block codes over the binary erasure channel (BEC). Of the current iterative decoding algorithms on this channel, we review the Recovery Algorithm and the Guess Algorithm. We then present a…

信息论 · 计算机科学 2007-07-13 J. Cai , C. Tjhai , M. Tomlinson , M. Ambroze , M. Ahmed

This work addresses the problem of error concealment in video transmission systems over noisy channels employing Bregman divergences along with regularization. Error concealment intends to improve the effects of disturbances at the…

计算机视觉与模式识别 · 计算机科学 2016-11-11 Alessandra M. Coelho , Vania V. Estrela , Felipe P. do Carmo , Sandro R. Fernandes