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Electroencephalogram (EEG) signals are critical for detecting abnormal brain activity, but their high dimensionality and complexity pose significant challenges for effective analysis. In this paper, we propose CwA-T, a novel framework that…

机器学习 · 计算机科学 2024-12-25 Youshen Zhao , Keiji Iramina

Monocular depth estimation is critical for endoscopists to perform spatial perception and 3D navigation of surgical sites. However, most of the existing methods ignore the important geometric structural consistency, which inevitably leads…

计算机视觉与模式识别 · 计算机科学 2023-04-21 Yongming Yang , Shuwei Shao , Tao Yang , Peng Wang , Zhuo Yang , Chengdong Wu , Hao Liu

This paper investigates robust beamforming for system-centric energy efficiency (EE) optimization in the vehicular integrated sensing and communication (ISAC) system, where the mobility of vehicles poses significant challenges to channel…

信息论 · 计算机科学 2023-10-27 Hanwen Zhang , Haijian Sun , Tianyi He , Weiming Xiang , Rose Qingyang Hu

This paper investigates the uplink cascaded channel estimation for intelligent-reflecting-surface (IRS)-assisted multi-user multiple-input-single-output systems. We focus on a sub-6 GHz scenario where the channel propagation is not sparse…

信号处理 · 电气工程与系统科学 2022-09-07 Huayan Guo , Vincent K. N. Lau

Accurate and timely seizure detection from Electroencephalography (EEG) is critical for clinical intervention, yet manual review of long-term recordings is labor-intensive. Recent efforts to encode EEG signals into large language models…

机器学习 · 计算机科学 2026-02-10 Yan Chen , Jie Peng , Moajjem Hossain Chowdhury , Tianlong Chen , Yunmei Liu

We propose a probabilistic framework for interpreting and developing hard thresholding sparse signal reconstruction methods and present several new algorithms based on this framework. The measurements follow an underdetermined linear model,…

信息论 · 计算机科学 2010-11-08 Kun Qiu , Aleksandar Dogandzic

Purpose: Low-field MRI systems operate at single MHz-range frequencies, where signal losses are primarily dominated by thermal noise from the radio-frequency (RF) receive coils. Achieving operation close to this limit is essential for…

医学物理 · 物理学 2026-03-09 Teresa Guallart-Naval , José M. Algarín , Joseba Alonso

This paper proposes a nonlinear weighted anisotropic total variation (NWATV) regularization technique for electrical impedance tomography (EIT). The key idea is to incorporate the internal inhomogeneity information (e.g., edges of the…

偏微分方程分析 · 数学 2022-03-02 Yizhuang Song , Yanying Wang , Dong Liu

Diffusion-weighted Magnetic Resonance Imaging (dMRI) is an essential tool in neuroimaging. It is arguably the sole noninvasive technique for examining the microstructural properties and structural connectivity of the brain. Recent years…

图像与视频处理 · 电气工程与系统科学 2025-03-13 Tianyuan Yao , Zhiyuan Li , Praitayini Kanakaraj , Derek B. Archer , Kurt Schilling , Lori Beason-Held , Susan Resnick , Bennett A. Landman , Yuankai Huo

In this paper, we present an algorithm of gaze prediction from Electroencephalography (EEG) data. EEG-based gaze prediction is a new research topic that can serve as an alternative to traditional video-based eye-tracking. Compared to the…

机器学习 · 计算机科学 2024-08-08 Chuhui Qiu , Bugao Liang , Matthew L Key

Baseband processing algorithms often require knowledge of the noise power, signal power, or signal-to-noise ratio (SNR). In practice, these parameters are typically unknown and must be estimated. Furthermore, the mean-square error (MSE) is…

信号处理 · 电气工程与系统科学 2023-03-28 Alexandra Gallyas-Sanhueza , Christoph Studer

Electroencephalography (EEG) is establishing itself as an important, low-cost, noninvasive diagnostic tool for the early detection of Parkinson's Disease (PD). In this context, EEG-based Deep Learning (DL) models have shown promising…

sEMG pattern recognition algorithms have been explored extensively in decoding movement intent, yet are known to be vulnerable to changing recording conditions, exhibiting significant drops in performance across subjects, and even across…

机器学习 · 计算机科学 2024-01-08 Joao Pereira , Dimitrios Chalatsis , Balint Hodossy , Dario Farina

Electrocardiogram (ECG) signals are frequently corrupted by noise, such as baseline wander (BW), muscle artifacts (MA), and electrode motion (EM), which significantly degrade their diagnostic utility. To address this issue, we propose…

信号处理 · 电气工程与系统科学 2025-05-12 Sainan xiao , Wangdong Yang , Buwen Cao , Jintao Wu

Advancing the size and complexity of neural network models leads to an ever increasing demand for computational resources for their simulation. Neuromorphic devices offer a number of advantages over conventional computing architectures,…

In this work we develop a simple equivalent circuit model (ECM) that predicts the spectral response of a lumped-element loaded single patterned layer reflective metasurface. The proposed ECM maintains accuracy across varying design…

In this paper, we study how to jointly design the phase shift of cascaded multi-IRSs and the precoding vector of the BS to improve the coverage in dense urban areas. We aim to maximize the signal-to-noise ratio (SNR) of the user equipment…

信息论 · 计算机科学 2021-03-10 Renjie Liang , Jiancun Fan , Yimeng Ge

Wireless electroencephalogram (EEG) sensors have been successfully applied in many medical and computer brain interface classifications. A common characteristic of wireless EEG sensors is that they are low powered devices, and hence an…

人机交互 · 计算机科学 2016-09-13 Abduljalil Mohamed , Khaled Bashir Shaban , Amr Mohamed

Towards practical applications of Electroencephalography (EEG), lightweight acquisition devices garner significant attention. However, EEG channel selection methods are commonly data-sensitive and cannot establish a unified sound paradigm…

信号处理 · 电气工程与系统科学 2025-11-03 Dongdong Li , Zhongliang Zeng , Zhe Wang , Hai Yang

While significant improvements have been made in recent years in terms of end-to-end automatic speech recognition (ASR) performance, such improvements were obtained through the use of very large neural networks, unfit for embedded use on…

计算与语言 · 计算机科学 2020-03-25 Alex Bie , Bharat Venkitesh , Joao Monteiro , Md. Akmal Haidar , Mehdi Rezagholizadeh