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相关论文: Towards direct neuronal current imaging via ultra-…

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Magnetic fields associated with currents flowing in tissue can be measured non-invasively by means of zero-field-encoded ultra-low-field magnetic resonance imaging (ULF MRI) enabling current density imaging (CDI) and possibly conductivity…

Direct imaging of impressed dc currents inside the head can provide valuable conductivity information, possibly improving electro-magnetic neuroimaging. Ultra-low field magnetic resonance imaging (ULF MRI) at $\mu$T Larmor fields can be…

医学物理 · 物理学 2019-05-09 P. Hömmen , J. -H. Storm , N. Höfner , R. Körber

Accelerated magnetic resonance (MR) imaging attempts to reduce acquisition time by collecting data below the Nyquist rate. As an ill-posed inverse problem, many plausible solutions exist, yet the majority of deep learning approaches…

图像与视频处理 · 电气工程与系统科学 2023-06-05 Jeffrey Wen , Rizwan Ahmad , Philip Schniter

In recent years, the rapid development of neuroimaging technology has been providing many powerful tools for cognitive neuroscience research. Among them, the functional magnetic resonance imaging (fMRI), which has high spatial resolution,…

人机交互 · 计算机科学 2018-08-20 Yang Wang , Dongrui Wu

Parallel imaging techniques have been widely used in high-field magnetic resonance imaging (MRI). Multiple receiver coils have been shown to improve image quality and allow accelerated image acquisition. Magnetic resonance imaging at…

医学物理 · 物理学 2008-11-26 V. S. Zotev , P. L. Volegov , A. N. Matlashov , M. A. Espy , J. C. Mosher , R. H. Kraus

Low-field (LF) magnetic resonance imaging (MRI) improves accessibility and reduces costs but generally has lower signal-to-noise ratios and degraded contrast compared to high field (HF) MRI, limiting its clinical utility. Simulating LF MRI…

图像与视频处理 · 电气工程与系统科学 2026-03-27 Ziqi Gao , Nicha Dvornek , Xiaoran Zhang , Gigi Galiana , Hemant Tagare , Todd Constable

Understanding how networks of neurons process information is one of the key challenges in modern neuroscience. A necessary step to achieve this goal is to be able to observe the dynamics of large populations of neurons over a large area of…

图像与视频处理 · 电气工程与系统科学 2022-03-09 Pingfan Song , Herman Verinaz Jadan , Carmel L. Howe , Amanda J. Foust , Pier Luigi Dragotti

Convolutional neural networks (CNNs) have attracted a rapidly growing interest in a variety of different processing tasks in the medical ultrasound community. However, the performance of CNNs is highly reliant on both the amount and…

图像与视频处理 · 电气工程与系统科学 2021-09-23 Mostafa Sharifzadeh , Habib Benali , Hassan Rivaz

Ultra-low-field (ULF) MRI offers portable and accessible neuroimaging but suffers from reduced signal-to-noise ratio and limited spatial resolution compared to high-field (HF) systems. Acquiring paired ULF-HF data for supervised enhancement…

计算机视觉与模式识别 · 计算机科学 2026-05-26 Toufiq Musah , Salvatore Calcagno , Federica Proietto Salanitri , Xiaomeng Li , Maruf Adewole , Marawan Elbatel

Magnetic resonance (MR) imaging relies on conventional electronics that is increasingly challenged by the push for stronger magnetic fields and higher channel count. These problems can be avoided by utilizing optical technologies. As a…

Functional ultrasound imaging (fUSI) is a cutting-edge technology that measures changes in cerebral blood volume (CBV) by detecting backscattered echoes from red blood cells moving within its field of view (FOV). It offers high…

Ultra-low field (ULF) MRI is a promising method for inexpensive medical imaging with various additional advantages over conventional instruments such as low weight, low power, portability, absence of artifacts from metals, and high…

医学物理 · 物理学 2015-06-12 I. Savukov , T. Karaulanov

In the past five years, the use of generative and foundational AI systems has greatly improved the decoding of brain activity. Visual perception, in particular, can now be decoded from functional Magnetic Resonance Imaging (fMRI) with…

图像与视频处理 · 电气工程与系统科学 2024-03-15 Yohann Benchetrit , Hubert Banville , Jean-Rémi King

A major open challenge in neuroscience is the ability to measure and perturb neural activity in vivo from well-defined neural sub-populations at cellular resolution anywhere in the brain. However, limitations posed by scattering and…

生物物理 · 物理学 2017-11-10 Shay Ohayon , Antonio Miguel Caravaca-Aguirre , Rafael Piestun , James J. DiCarlo

Cardiac magnetic resonance imaging (MRI) requires reconstructing a real-time video of a beating heart from continuous highly under-sampled measurements. This task is challenging since the object to be reconstructed (the heart) is…

图像与视频处理 · 电气工程与系统科学 2024-01-12 Johannes F. Kunz , Stefan Ruschke , Reinhard Heckel

We propose a radical advance in Magnetic Resonance Imaging. MRI remains slow because it requires successive applications of magnetic field gradients to encode for spatial location. Parallel MRI accelerates imaging by permitting…

医学物理 · 物理学 2018-09-19 Michael Hutchinson , Ulrich Raff , Luis Osorio

While functional magnetic resonance imaging (fMRI) offers valuable insights into brain activity, it is limited by high operational costs and significant infrastructural demands. In contrast, electroencephalography (EEG) provides…

计算机视觉与模式识别 · 计算机科学 2025-04-29 Kristofer Grover Roos , Atsushi Fukuda , Quan Huu Cap

Modern radio telescopes like the Square Kilometer Array (SKA) will need to process in real-time exabytes of radio-astronomical signals to construct a high-resolution map of the sky. Near-Memory Computing (NMC) could alleviate the…

分布式、并行与集群计算 · 计算机科学 2020-05-11 Stefano Corda , Bram Veenboer , Ahsan Javed Awan , Akash Kumar , Roel Jordans , Henk Corporaal

Accurately measuring magnetic fields is essential for magnetic-field sensitive experiments in fields like atomic, molecular, and optical physics, condensed matter experiments, and other areas. However, since many experiments are conducted…

仪器与探测器 · 物理学 2023-05-31 Ziting Chen , Kin To Wong , Bojeong Seo , Mingchen Huang , Mithilesh K. Parit , Haoting Zhen , Jensen Li , Gyu-Boong Jo

We review recent efforts to detect small numbers of nuclear spins using magnetic resonance force microscopy. Magnetic resonance force microscopy (MRFM) is a scanning probe technique that relies on the mechanical measurement of the weak…

介观与纳米尺度物理 · 物理学 2010-08-03 M. Poggio , C. L. Degen
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