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Spiking Neural Networks (SNNs) can do inference with low power consumption due to their spike sparsity. ANN-SNN conversion is an efficient way to achieve deep SNNs by converting well-trained Artificial Neural Networks (ANNs). However, the…

Neural and Evolutionary Computing · Computer Science 2023-03-24 Xiang He , Yang Li , Dongcheng Zhao , Qingqun Kong , Yi Zeng

Developing personalized computational models of the human brain remains a challenge for patient-specific clinical applications and neuroscience research. Efficient and accurate biophysical simulations rely on high-quality personalized…

Computational Engineering, Finance, and Science · Computer Science 2025-03-04 Andy Huynh , Benjamin Zwick , Michael Halle , Adam Wittek , Karol Miller

This paper proposes a new hardware accelerator for sparse convolutional neural networks (CNNs) by building a hardware unit to perform the Image to Column (IM2COL) transformation of the input feature map coupled with a systolic array-based…

Hardware Architecture · Computer Science 2021-11-29 Mohammadreza Soltaniyeh , Richard P. Martin , Santosh Nagarakatte

The Spreading Projection Algorithm for Rapid K-space samplING, or SPARKLING, is an optimization-driven method that has been recently introduced for accelerated 2D T2*-w MRI using compressed sensing. It has then been extended to address 3D…

Distributed, Parallel, and Cluster Computing · Computer Science 2021-08-26 Chaithya G R , Pierre Weiss , Guillaume Daval-Frérot , Aurélien Massire , Alexandre Vignaud , Philippe Ciuciu

The impact of repetitive transcranial magnetic stimulation (rTMS) on methamphetamine (METH) users' craving levels is often assessed using questionnaires. This study explores the feasibility of using neural signals to obtain more objective…

Neurons and Cognition · Quantitative Biology 2025-09-29 Ziyi Zeng , Yun-Hsuan Chen , Xurong Gao , Wenyao Zheng , Hemmings Wu , Zhoule Zhu , Jie Yang , Chengkai Wang , Lihua Zhong , Weiwei Cheng , Mohamad Sawan

How to mitigate negative transfer in transfer learning is a long-standing and challenging issue, especially in the application of medical image segmentation. Existing methods for reducing negative transfer focus on classification or…

Computer Vision and Pattern Recognition · Computer Science 2025-02-05 Shutong Duan , Jingyun Yang , Yang Tan , Guoqing Zhang , Yang Li , Xiao-Ping Zhang

We demonstrated the feasibility of using bSSFP acquisitions for off-resonance insensitive high-resolution [6,6'-2H2]-glucose deuterium metabolic imaging (DMI) studies in the healthy human brain at 9.4T. Balanced SSFP acquisitions have…

High-Voltage Monolithic Active Pixel Sensors (HV-MAPS) based on the 180 nm HV-CMOS process have been proposed to realize thin, fast and highly integrated pixel sensors. The MuPix7 prototype, fabricated in the commercial AMS H18 process,…

Simultaneous multi-slice (SMS) imaging accelerates MRI data acquisition by exciting multiple image slices simultaneously. Overlapping slices are then separated using a mathematical model. Several parameters used in SMS reconstruction impact…

This document reports an unconventional and rapidly developing approach to magnetic resonance imaging (MRI) using intermolecular multiple-quantum coherences (iMQCs). Rat brain images are acquired using iMQCs. We detect iMQCs between spins…

Medical Physics · Physics 2014-01-17 Yi Han

Nuclear spin hyperpolarization provides a promising route to overcome the challenges imposed by the limited sensitivity of nuclear magnetic resonance. Here we demonstrate that dissolution of spin-polarized pentacene-doped naphthalene…

Parallel transmission has been a very promising candidate technology to mitigate the inevitable radio-frequency field inhomogeneity in magnetic resonance imaging (MRI) at ultra-high field (UHF). For the first few years, pulse design…

Instrumentation and Detectors · Physics 2013-11-06 Andres Hoyos Idrobo , Pierre Weiss , Aurélien Massire , Alexis Amadon , Nicolas Boulant

Portable ultra-low-field MRI (uLF-MRI, 0.064 T) offers accessible neuroimaging for neonatal care but suffers from low signal-to-noise ratio and poor diagnostic quality compared to high-field (HF) MRI. We propose MRIQT, a 3D conditional…

Computer Vision and Pattern Recognition · Computer Science 2026-03-09 Malek Al Abed , Sebiha Demir , Anne Groteklaes , Elodie Germani , Shahrooz Faghihroohi , Hemmen Sabir , Shadi Albarqouni

Random telegraph noise (RTN) is a major contributor to read noise in many CMOS image sensors considered for astronomical use. While scientific CMOS image sensors deliver lower read noise than traditional charge-coupled devices, mitigating…

Instrumentation and Methods for Astrophysics · Physics 2026-05-20 Christopher Layden , Daniel-Rolf Harbeck , Tejus Deo-Dixit , Nathan Lourie , Gabor Furesz , Kevin Burdge

In this paper, we present our system for the RSNA Intracranial Hemorrhage Detection challenge. The proposed system is based on a lightweight deep neural network architecture composed of a convolutional neural network (CNN) that takes as…

Computer Vision and Pattern Recognition · Computer Science 2020-09-30 Mihail Burduja , Radu Tudor Ionescu , Nicolae Verga

Space situational awareness demands efficient monitoring of terrestrial sites and celestial bodies, necessitating advanced target recognition systems. Current target recognition systems exhibit limited operational speed due to challenges in…

Image and Video Processing · Electrical Eng. & Systems 2023-12-13 Julian Gamboa , Xi Shen , Tabassom Hamidfar , Selim M. Shahriar

Cardiovascular magnetic resonance (CMR) imaging is the gold standard for diagnosing several heart diseases due to its non-invasive nature and proper contrast. MR imaging is time-consuming because of signal acquisition and image formation…

Image and Video Processing · Electrical Eng. & Systems 2025-04-29 Kian Anvari Hamedani , Narges Razizadeh , Shahabedin Nabavi , Mohsen Ebrahimi Moghaddam

Aggregating multi-site brain MRI data can enhance deep learning model training, but also introduces non-biological heterogeneity caused by site-specific variations (e.g., differences in scanner vendors, acquisition parameters, and imaging…

Computer Vision and Pattern Recognition · Computer Science 2026-01-14 Mengqi Wu , Yongheng Sun , Qianqian Wang , Pew-Thian Yap , Mingxia Liu

Purpose: Visualization of subcortical gray matter is essential in neuroscience and clinical practice, particularly for disease understanding and surgical planning.While multi-inversion time (multi-TI) T$_1$-weighted (T$_1$-w) magnetic…

Image and Video Processing · Electrical Eng. & Systems 2025-12-09 Savannah P. Hays , Lianrui Zuo , Anqi Feng , Yihao Liu , Blake E. Dewey , Jiachen Zhuo , Ellen M. Mowry , Scott D. Newsome , Jerry L. Prince , Aaron Carass

Variability of IVIM parameters throughout the literature is a long-standing issue, and perfusion-related parameters are difficult to interpret. We demonstrate for improving the analysis of intravoxel incoherent motion imaging (IVIM)…

Medical Physics · Physics 2024-01-05 Caleb Sample , Jonn Wu , Haley Clark