中文
相关论文

相关论文: Brain MRI-to-PET Synthesis using 3D Convolutional …

200 篇论文

Cardiac Magnetic Resonance (CMR) imaging is a vital non-invasive tool for diagnosing heart diseases and evaluating cardiac health. However, the limited availability of large-scale, high-quality CMR datasets poses a major challenge to the…

计算机视觉与模式识别 · 计算机科学 2025-05-07 Ziyu Li , Yujian Hu , Zhengyao Ding , Yiheng Mao , Haitao Li , Fan Yi , Hongkun Zhang , Zhengxing Huang

Recent work has shown improved lesion detectability and flexibility to reconstruction hyperparameters (e.g. scanner geometry or dose level) when PET images are reconstructed by leveraging pre-trained diffusion models. Such methods train a…

医学物理 · 物理学 2025-08-28 George Webber , Alexander Hammers , Andrew P. King , Andrew J. Reader

The integrated positron emission tomography/magnetic resonance imaging (PET/MRI) scanner facilitates the simultaneous acquisition of metabolic information via PET and morphological information with high soft-tissue contrast using MRI.…

Simultaneous functional PET/MR (sf-PET/MR) presents a cutting-edge multimodal neuroimaging technique. It provides an unprecedented opportunity for concurrently monitoring and integrating multifaceted brain networks built by spatiotemporally…

图像与视频处理 · 电气工程与系统科学 2024-09-23 Luoyu Wang , Yitian Tao , Qing Yang , Yan Liang , Siwei Liu , Hongcheng Shi , Dinggang Shen , Han Zhang

This paper investigates the numerical uncertainty of Convolutional Neural Networks (CNNs) inference for structural brain MRI analysis. It applies Random Rounding -- a stochastic arithmetic technique -- to CNN models employed in non-linear…

图像与视频处理 · 电气工程与系统科学 2023-08-07 Inés Gonzalez Pepe , Vinuyan Sivakolunthu , Hae Lang Park , Yohan Chatelain , Tristan Glatard

Arterial spin labeling (ASL) perfusion MRI allows direct quantification of regional cerebral blood flow (CBF) without exogenous contrast, enabling noninvasive measurements that can be repeated without constraints imposed by contrast…

Continuous photoplethysmography (PPG)-based blood pressure monitoring is necessary for healthcare and fitness applications. In Artificial Intelligence (AI), signal classification levels with the machine and deep learning arrangements need…

计算机视觉与模式识别 · 计算机科学 2024-05-24 Nida Nasir , Mustafa Sameer , Feras Barneih , Omar Alshaltone , Muneeb Ahmed

Spectral computed tomography (CT) is an emerging technology capable of providing high chemical specificity, which is crucial for many applications such as detecting threats in luggage. This type of application requires both fast and…

图像与视频处理 · 电气工程与系统科学 2021-03-30 Wail Mustafa , Christian Kehl , Ulrik Lund Olsen , Søren Kimmer Schou Gregersen , David Malmgren-Hansen , Jan Kehres , Anders Bjorholm Dahl

Alzheimer's disease (AD) is a progressive neurodegenerative disorder leading to cognitive decline. [$^{18}$F]-Fluorodeoxyglucose positron emission tomography ([$^{18}$F]-FDG PET) is used to monitor brain metabolism, aiding in the diagnosis…

图像与视频处理 · 电气工程与系统科学 2024-05-01 Elena Doering , Merle C. Hönig , Tobias Deußer , Gerard N. Bischof , Thilo van Eimeren , Alexander Drzezga , Lotta M. Ellingsen

Machine learning has revolutionized biomedical signal analysis, particularly in electrocardiogram (ECG) classification. While convolutional neural networks (CNNs) excel at automatic feature extraction, the optimal integration of time- and…

机器学习 · 计算机科学 2025-05-15 Sam Jeong , Hae Yong Kim

With the rapid development of generative AI in medical imaging, synthetic Computed Tomography (CT) images have demonstrated great potential in applications such as data augmentation and clinical diagnosis, but they also introduce serious…

计算机视觉与模式识别 · 计算机科学 2026-03-03 Yiheng Li , Zichang Tan , Guoqing Xu , Yijun Ye , Yang Yang , Zhen Lei

Clinical SPECT-MPI images of 345 patients acquired from a dedicated cardiac SPECT in list-mode format were retrospectively employed to predict normal-dose images from low-dose data at the half, quarter, and one-eighth-dose levels. A…

Cerebral arterial blood flow (CABF) can be investigated in few seconds without any synchronization by Real-Time phase contrast. Significant changes in CABF were found between expiration and inspiration during normal breathing of healthy…

信号处理 · 电气工程与系统科学 2022-07-27 Pan Liu , Sidy Fall , Serge Metanbou , Olivier Balédent

We propose a four-layer fully-connected neural network (FNN) for predicting fluid intelligence scores from T1-weighted MR images for the ABCD-challenge. In addition to the volumes of brain structures, the FNN uses cortical WM/GM contrast…

神经元与认知 · 定量生物学 2019-09-13 Juan Miguel Valverde , Vandad Imani , John D. Lewis , Jussi Tohka

Noise reduction constitutes a crucial operation within Digital Signal Processing. Regrettably, it frequently remains neglected when dealing with the processing of convolutional features in segmentation networks. This oversight could trigger…

计算机视觉与模式识别 · 计算机科学 2025-12-01 Hong Zheng , Nan Mu , Han Su , Lin Feng , Xiaoning Li

Positron Emission Tomography (PET) is an important clinical imaging tool but inevitably introduces radiation hazards to patients and healthcare providers. Reducing the tracer injection dose and eliminating the CT acquisition for attenuation…

计算机视觉与模式识别 · 计算机科学 2024-06-18 Tianqi Chen , Jun Hou , Yinchi Zhou , Huidong Xie , Xiongchao Chen , Qiong Liu , Xueqi Guo , Menghua Xia , James S. Duncan , Chi Liu , Bo Zhou

Reverse transcription-polymerase chain reaction (RT-PCR) is currently the gold standard in COVID-19 diagnosis. It can, however, take days to provide the diagnosis, and false negative rate is relatively high. Imaging, in particular chest…

Brain extraction or skull stripping of magnetic resonance images (MRI) is an essential step in neuroimaging studies, the accuracy of which can severely affect subsequent image processing procedures. Current automatic brain extraction…

图像与视频处理 · 电气工程与系统科学 2020-05-19 Gengyan Zhao , Fang Liu , Jonathan A. Oler , Mary E. Meyerand , Ned H. Kalin , Rasmus M. Birn

Interpreting and communicating electrocardiogram (ECG) findings are crucial yet challenging tasks in cardiovascular diagnosis, traditionally requiring significant expertise and precise clinical communication. This paper introduces…

信号处理 · 电气工程与系统科学 2025-10-30 Koustav Mallick , Neel Singh , Mohammedreza Hajiarbabi

The millimeter-wave (mm-wave) radio-over-fiber (RoF) systems have been widely studied as promising solutions to deliver high-speed wireless signals to end users, and neural networks have been studied to solve various linear and nonlinear…

信号处理 · 电气工程与系统科学 2020-01-08 Jeonghun Lee , Jiayuan He , Yitong Wang , Chengwei Fang , Ke Wang
‹ 上一页 1 8 9 10 下一页 ›