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相关论文: Deconvolution of the Functional Ultrasound Respons…

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We present a novel topological framework for analyzing functional brain signals using time-frequency analysis. By integrating persistent homology with time-frequency representations, we capture multi-scale topological features that…

神经元与认知 · 定量生物学 2025-04-23 Moo K. Chung , Aaron F. Struck

Manual estimation of fetal Head Circumference (HC) from Ultrasound (US) is a key biometric for monitoring the healthy development of fetuses. Unfortunately, such measurements are subject to large inter-observer variability, resulting in low…

图像与视频处理 · 电气工程与系统科学 2019-08-08 Samuel Budd , Matthew Sinclair , Bishesh Khanal , Jacqueline Matthew , David Lloyd , Alberto Gomez , Nicolas Toussaint , Emma Robinson , Bernhard Kainz

Magnetic resonance imaging (MRI) relies on radiofrequency (RF) excitation of proton spin. Clinical diagnosis requires a comprehensive collation of biophysical data via multiple MRI contrasts, acquired using a series of RF sequences that…

医学物理 · 物理学 2025-12-24 Dinor Nagar , Moritz Zaiss , Or Perlman

In our research, we attempt to help people recognize their brain state of concentration or relaxation more conveniently and in real time. Considering the inconvenience of wearing traditional multiple electrode electroencephalographs, we…

人机交互 · 计算机科学 2015-09-28 Zhen Li , Jianjun Xu , Tingshao Zhu

High-resolution transmission electron microscopy (HRTEM) is crucial for observing material's structural and morphological evolution at Angstrom scales, but the electron beam can alter these processes. Devices such as CMOS-based…

材料科学 · 物理学 2025-12-04 Brian Lee , Meng Li , Judith C Yang , Dmitri N Zakharov , Xiaohui Qu

An electroencephalogram is an effective approach that provides a bidirectional pathway between user and computer in a non-invasive way. In this study, we adopted the visual perception data for training the visual imagery decoding network.…

人机交互 · 计算机科学 2021-12-14 Byoung-Hee Kwon , Jeong-Hyun Cho , Byeong-Hoo Lee

Electroencephalography (EEG) and Magnetoencephalography (MEG) are pivotal in understanding brain activity but are limited by their poor spatial resolution. EEG/MEG source imaging (ESI) infers the high-resolution electric field distribution…

信号处理 · 电气工程与系统科学 2024-02-01 Song Wang , Chen Wei , Kexin Lou , Dongfeng Gu , Quanying Liu

Remote physiological measurements, e.g., remote photoplethysmography (rPPG) based heart rate (HR), heart rate variability (HRV) and respiration frequency (RF) measuring, are playing more and more important roles under the application…

计算机视觉与模式识别 · 计算机科学 2020-07-17 Xuesong Niu , Zitong Yu , Hu Han , Xiaobai Li , Shiguang Shan , Guoying Zhao

Deconvolution is the most commonly used image processing method to remove the blur caused by the point-spread-function (PSF) in optical imaging systems. While this method has been successful in deblurring, it suffers from several…

图像与视频处理 · 电气工程与系统科学 2019-10-10 Huangxuan Zhao , Ziwen Ke , Ningbo Chen , Ke Li , Lidai Wang , Xiaojing Gong , Wei Zheng , Liang Song , Zhicheng Liu , Dong Liang , Chengbo Liu

With the advances in high resolution neuroimaging, there has been a growing interest in the detection of functional brain connectivity. Complex network theory has been proposed as an attractive mathematical representation of functional…

神经与进化计算 · 计算机科学 2018-09-18 Arash Golibagh Mahyari , Selin Aviyente

The cognitive states have broadly been divided into waking, rapid eye movement sleep and non-REMS. Although the mechanism of state transition is unknown, it has been proposed that functional activation/deactivation among different brain…

神经元与认知 · 定量生物学 2021-09-21 Jasleen Gund , Yashaswee Mishra , R. K. Brojen Singh , B. N. Mallick

We present a semi-blind, spatially-variant deconvolution technique aimed at optical microscopy that combines a local estimation step of the point spread function (PSF) and deconvolution using a spatially variant, regularized Richardson-Lucy…

计算机视觉与模式识别 · 计算机科学 2019-05-21 Adrian Shajkofci , Michael Liebling

Recent research shows the eye has a paravascular solute transport pathway driven by physiological pulsations resembling the brain. we developed synchronous multimodal imaging tools aimed at measuring the driving pulsations of the human eye.…

In recent times, the field of unsupervised representation learning (URL) for time series data has garnered significant interest due to its remarkable adaptability across diverse downstream applications. Unsupervised learning goals differ…

机器学习 · 计算机科学 2025-05-12 Chen Liang , Donghua Yang , Zhiyu Liang , Hongzhi Wang , Zheng Liang , Xiyang Zhang , Jianfeng Huang

High resolution ultrasound image reconstruction from a reduced number of measurements is of great interest in ultrasound imaging, since it could enhance both the frame rate and image resolution. Compressive deconvolution, combining…

计算机视觉与模式识别 · 计算机科学 2015-12-18 Zhouye Chen , Adrian Basarab , Denis Kouamé

Semantic segmentation of electron microscopy (EM) is an essential step to efficiently obtain reliable morphological statistics. Despite the great success achieved using deep convolutional neural networks (CNNs), they still produce coarse…

计算机视觉与模式识别 · 计算机科学 2021-01-11 Zhimin Yuan , Xiaofen Ma , Jiajin Yi , Zhengrong Luo , Jialin Peng

In this paper, a novel decomposition method for non-stationary and nonlinear signals is proposed. This method is inspired by the adaptive wavelet filter bank of the empirical wavelet transform (EWT) and Fourier intrinsic band functions…

信号处理 · 电气工程与系统科学 2019-12-03 Wei Zhou , Zhongren Feng , Xiongjiang Wang , Hao Lv

The ability to perceive and recognize objects is fundamental for the interaction with the external environment. Studies that investigate them and their relationship with brain activity changes have been increasing due to the possible…

信号处理 · 电气工程与系统科学 2020-08-31 Jenifer Kalafatovich , Minji Lee , Seong-Whan Lee

Recently, practical brain-computer interface is actively carried out, especially, in an ambulatory environment. However, the electroencephalography (EEG) signals are distorted by movement artifacts and electromyography signals when users…

人机交互 · 计算机科学 2021-03-04 Young-Eun Lee , Seong-Whan Lee

Speech decoding from EEG signals is a challenging task, where brain activity is modeled to estimate salient characteristics of acoustic stimuli. We propose FESDE, a novel framework for Fully-End-to-end Speech Decoding from EEG signals. Our…

信号处理 · 电气工程与系统科学 2024-06-14 Jihwan Lee , Aditya Kommineni , Tiantian Feng , Kleanthis Avramidis , Xuan Shi , Sudarsana Kadiri , Shrikanth Narayanan
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