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Spiking neural networks (SNNs), as one of the brain-inspired models, has spatio-temporal information processing capability, low power feature, and high biological plausibility. The effective spatio-temporal feature makes it suitable for…

神经与进化计算 · 计算机科学 2022-03-21 Changqing Xu , Yi Liu , Yintang Yang

Score-based diffusion models represent a significant variant within the diffusion model family and have seen extensive application in the increasingly popular domain of generative tasks. Recent investigations have explored the denoising…

信号处理 · 电气工程与系统科学 2025-06-26 Hao Mo , Yaping Sun , Shumin Yao , Hao Chen , Zhiyong Chen , Xiaodong Xu , Nan Ma , Meixia Tao , Shuguang Cui

Arterial spin labeling (ASL) allows to quantify the cerebral blood flow (CBF) by magnetic labeling of the arterial blood water. ASL is increasingly used in clinical studies due to its noninvasiveness, repeatability and benefits in…

计算机视觉与模式识别 · 计算机科学 2018-06-13 Cagdas Ulas , Giles Tetteh , Stephan Kaczmarz , Christine Preibisch , Bjoern H. Menze

Existing methods for arterial blood pressure (BP) estimation directly map the input physiological signals to output BP values without explicitly modeling the underlying temporal dependencies in BP dynamics. As a result, these models suffer…

机器学习 · 计算机科学 2018-01-16 Peng Su , Xiao-Rong Ding , Yuan-Ting Zhang , Jing Liu , Fen Miao , Ni Zhao

Time series analysis of fMRI data is an important area of medical statistics for neuroimaging data. The neuroimaging community has embraced mean-field variational Bayes (VB) approximations, which are implemented in Statistical Parametric…

统计计算 · 统计学 2018-03-06 Ming Teng , Timothy Johnson , Farouk Nathoo

Generating realistic images to accurately predict changes in the structure of brain MRI is a crucial tool for clinicians. Such applications help assess patients' outcomes and analyze how diseases progress at the individual level. However,…

图像与视频处理 · 电气工程与系统科学 2024-06-19 Mattia Litrico , Francesco Guarnera , Valerio Giuffirda , Daniele Ravì , Sebastiano Battiato

Arterial spin labeling (ASL) magnetic resonance imaging (MRI) enables cerebral perfusion measurement, which is crucial in detecting and managing neurological issues in infants born prematurely or after perinatal complications. However,…

计算机视觉与模式识别 · 计算机科学 2024-10-29 Christoforos Galazis , Ching-En Chiu , Tomoki Arichi , Anil A. Bharath , Marta Varela

Dynamic contrast-enhanced (DCE) cardiac magnetic resonance imaging (CMRI) is a widely used modality for diagnosing myocardial blood flow (perfusion) abnormalities. During a typical free-breathing DCE-CMRI scan, close to 300 time-resolved…

图像与视频处理 · 电气工程与系统科学 2023-11-14 Dilek M. Yalcinkaya , Khalid Youssef , Bobak Heydari , Orlando Simonetti , Rohan Dharmakumar , Subha Raman , Behzad Sharif

Deep-learning (DL)-based methods have shown significant promise in denoising myocardial perfusion SPECT images acquired at low dose. For clinical application of these methods, evaluation on clinical tasks is crucial. Typically, these…

图像与视频处理 · 电气工程与系统科学 2023-03-02 Md Ashequr Rahman , Zitong Yu , Barry A. Siegel , Abhinav K. Jha

Feature tracking Cardiac Magnetic Resonance (CMR) has recently emerged as an area of interest for quantification of regional cardiac function from balanced, steady state free precession (SSFP) cine sequences. However, currently available…

计算机视觉与模式识别 · 计算机科学 2017-04-13 Davis M. Vigneault , Weidi Xie , David A. Bluemke , J. Alison Noble

Super-resolution is widely used in medical imaging to enhance low-quality data, reducing scan time and improving abnormality detection. Conventional super-resolution approaches typically rely on paired datasets of downsampled and original…

计算机视觉与模式识别 · 计算机科学 2026-02-18 Xiaoyi Wen , Fei Jiang

Deep learning-based image registration methods have shown state-of-the-art performance and rapid inference speeds. Despite these advances, many existing approaches fall short in capturing spatially varying information in non-local regions…

计算机视觉与模式识别 · 计算机科学 2025-03-26 Xinxing Cheng , Tianyang Zhang , Wenqi Lu , Qingjie Meng , Alejandro F. Frangi , Jinming Duan

Background: The assessment of left ventricular (LV) function by myocardial perfusion SPECT (MPS) relies on accurate myocardial segmentation. The purpose of this paper is to develop and validate a new method incorporating deep learning with…

图像与视频处理 · 电气工程与系统科学 2023-12-22 Fubao Zhu , Jinyu Zhao , Chen Zhao , Shaojie Tang , Jiaofen Nan , Yanting Li , Zhongqiang Zhao , Jianzhou Shi , Zenghong Chen , Zhixin Jiang , Weihua Zhou

Mild Traumatic Brain Injury (mTBI) is a significant public health problem. The most troubling symptoms after mTBI are cognitive complaints. Studies show measurable differences between patients with mTBI and healthy controls with respect to…

图像与视频处理 · 电气工程与系统科学 2019-11-12 Tongda Xu , Xiyan Cai , Yao Wang , Xiuyuan Wang , Sohae Chung , Els Fieremans , Joseph Rath , Steven Flanagan , Yvonne W Lui

Purpose: Common to most MRSI techniques, the spatial resolution and the minimal scan duration of Deuterium Metabolic Imaging (DMI) are limited by the achievable SNR. This work presents a deep learning method for sensitivity enhancement of…

图像与视频处理 · 电气工程与系统科学 2023-09-15 Siyuan Dong , Henk M. De Feyter , Monique A. Thomas , Robin A. de Graaf , James S. Duncan

Accurate skull-stripping is crucial preprocessing in dynamic susceptibility contrast-enhanced perfusion magnetic resonance data analysis. The presence of non-brain tissues impacts the perfusion parameters assessment. In this study, we…

图像与视频处理 · 电气工程与系统科学 2024-05-15 Svitlana Alkhimova , Oleksii Diumin

Accurate segmentation of brain tumors in MRI scans is essential for reliable clinical diagnosis and effective treatment planning. Recently, diffusion models have demonstrated remarkable effectiveness in image generation and segmentation…

图像与视频处理 · 电气工程与系统科学 2025-07-31 Sara Yavari , Rahul Nitin Pandya , Jacob Furst

Recently, the potential of dynamic brain networks as a neuroimaging biomarkers for mental illnesses is being increasingly recognized. However, there are several unmet challenges in developing such biomarkers, including the need for methods…

神经元与认知 · 定量生物学 2019-10-10 Suprateek Kundu , Jin Ming , Jennifer Stevens

Purpose: To compare the segmentation and detection performance of a deep learning model trained on a database of human-labelled clinical diffusion-weighted (DW) stroke lesions to a model trained on the same database enhanced with synthetic…

Vision Transformer models have shown impressive effectiveness in the surgical video understanding tasks through long-range dependency modeling. However, current methods suffer from prohibitive computational costs due to processing massive…

计算机视觉与模式识别 · 计算机科学 2025-09-30 Xixi Jiang , Chen Yang , Dong Zhang , Pingcheng Dong , Xin Yang , Kwang-Ting Cheng