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Neuronavigation is widely used in biomedical research and interventions to guide the precise placement of instruments around the head to support procedures such as transcranial magnetic stimulation. Traditional systems, however, rely on…

A permanent magnet array (PMA) is a preferred source of magnetic field for body-part-dedicated low-field (<0.5 T) portable magnetic resonance imaging (MRI) because it has a small footprint, no power consumption, and no need for a cooling…

医学物理 · 物理学 2022-11-23 Ting-Ou Liang , Yan Hao Koh , Tie Qiu , Erping Li , Wenwei Yu , Shao Ying Huang

Spin preparation prior to a free-induction-decay (FID) measurement can be adversely affected by transverse bias fields, particularly in the geophysical field range. A strategy that enhances the spin polarization accumulated before readout…

Pixelwise segmentation of the left ventricular (LV) myocardium and the four cardiac chambers in 2-D steady state free precession (SSFP) cine sequences is an essential preprocessing step for a wide range of analyses. Variability in contrast,…

计算机视觉与模式识别 · 计算机科学 2018-03-21 Davis M. Vigneault , Weidi Xie , Carolyn Y. Ho , David A. Bluemke , J. Alison Noble

Generative AI has recently propelled the decoding of images from brain activity. How do these approaches scale with the amount and type of neural recordings? Here, we systematically compare image decoding from four types of non-invasive…

图像与视频处理 · 电气工程与系统科学 2025-01-29 Hubert Banville , Yohann Benchetrit , Stéphane d'Ascoli , Jérémy Rapin , Jean-Rémi King

Decoding speech-related information from non-invasive MEG is a key step toward scalable brain-computer interfaces. We present compact Conformer-based decoders on the LibriBrain 2025 PNPL benchmark for two core tasks: Speech Detection and…

计算与语言 · 计算机科学 2026-02-11 Xabier de Zuazo , Ibon Saratxaga , Eva Navas

We introduce a novel electro-optomechanic neural sensor for realizing ultra-compact neural recording probes that can detect and relay electrophysiology signals from within neural tissue. This technology addresses outstanding challenges…

Understanding the neural mechanisms behind auditory and linguistic processing is key to advancing cognitive neuroscience. In this study, we use Magnetoencephalography (MEG) data to analyze brain responses to spoken language stimuli. We…

神经元与认知 · 定量生物学 2025-01-08 Matteo Ciferri , Matteo Ferrante , Nicola Toschi

Recently, the concept of holographic multiple-input multiple-output (MIMO) is emerging as one of the promising technologies beyond massive MIMO. Many challenges need to be addressed to bring this novel idea into practice, including…

信息论 · 计算机科学 2023-01-16 Tengjiao Wang , Wei Han , Zhimeng Zhong , Jiyong Pang , Guohua Zhou , Shaobo Wang , Qiang Li

Non-invasive brainwave decoding is usually done using Magneto/Electroencephalography (MEG/EEG) sensor measurements as inputs. This makes combining datasets and building models with inductive biases difficult as most datasets use different…

信号处理 · 电气工程与系统科学 2024-10-29 Yonatan Gideoni , Ryan Charles Timms , Oiwi Parker Jones

Reconfigurable intelligent surface (RIS)-assisted orthogonal frequency division multiplexing (OFDM) systems have aroused extensive research interests due to the controllable communication environment and the performance of combating…

信号处理 · 电气工程与系统科学 2021-10-27 Chaojin Qing , Li Wang , Lei Dong , Jiafan Wang

This article introduces a cost-effective gateway into the fascinating world of neuroscience: the PIEEG-16, a versatile shield for RaspberryPi designed to measure 16 channels of various biosignals, including EEG (electroencephalography), EMG…

信号处理 · 电气工程与系统科学 2024-09-13 Ildar Rakhmatulin

In drug-resistant epilepsy, presurgical evaluation of epilepsy can be considered. Magnetoencephalography (MEG) has been shown to be an effective exam to inform the localization of the epileptogenic zone through the localization of…

计算机视觉与模式识别 · 计算机科学 2025-10-27 Pauline Mouches , Julien Jung , Armand Demasson , Agnès Guinard , Romain Bouet , Rosalie Marchal , Romain Quentin

Photoacoustic microscopy (PAM) is a promising imaging modality because it is able to reveal optical absorption contrast in high resolution on the order of a micrometer. It can be applied in an endoscopic approach by implementing PAM into a…

医学物理 · 物理学 2019-11-22 Zhendong Guo , Zhanhong Ye , Weihao Shao , Lili Jing , Sung-Liang Chen

As a new candidate waveform for the next generation wireless communications, orthogonal chirp division multiplexing (OCDM) has attracted growing attention for its ability to achieve full diversity in uncoded transmission, and its robustness…

信息论 · 计算机科学 2024-01-10 Yun Liu , Fei Ji , Miaowen Wen , Hua Qing

Electroencephalography (EEG) recordings are analyzed using battery-powered wearable devices to monitor brain activities and neurological disorders. These applications require long and continuous processing to generate feasible results.…

信号处理 · 电气工程与系统科学 2024-02-16 Zain Taufique , Muhammad Awais Bin Altaf , Antonio Miele , Pasi Liljeberg , Anil Kanduri

It is a principal open question whether noninvasive imaging methods in humans can decode information encoded at a spatial scale as fine as the basic functional unit of cortex: cortical columns. We addressed this question in five…

神经元与认知 · 定量生物学 2015-03-30 Radoslaw Martin Cichy , Dimitrios Pantazis

This report introduces a novel optofluidic platform based on piezo-MEMS technology, capable of identifying subtle variations in the fluid concentration. The system utilizes piezoelectric micromachined ultrasound transducers (PMUTs) as…

Brain-computer interface systems and the recording of brain activity has garnered significant attention across a diverse spectrum of applications. EEG signals have emerged as a modality for recording neural electrical activity. Among the…

信号处理 · 电气工程与系统科学 2024-05-03 M. Moein Esfahani , Hossein Sadati , Vince D Calhoun

Electroencephalography-based eye tracking (EEG-ET) leverages eye movement artifacts in EEG signals as an alternative to camera-based tracking. While EEG-ET offers advantages such as robustness in low-light conditions and better integration…

信号处理 · 电气工程与系统科学 2025-03-19 Tiago Vasconcelos Afonso , Florian Heinrichs
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