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Although efficient extraction of discriminative spatial-spectral features is critical for hyperspectral images classification (HSIC), it is difficult to achieve these features due to factors such as the spatial-spectral heterogeneity and…

计算机视觉与模式识别 · 计算机科学 2025-02-28 Yimin Zhu , Linlin Xu

Deep neural networks are being increasingly used for short-term traffic flow prediction, which can be generally categorized as convolutional (CNNs) or graph neural networks (GNNs). CNNs are preferable for region-wise traffic prediction by…

物理与社会 · 物理学 2021-10-12 Wei Zeng , Chengqiao Lin , Kang Liu , Juncong Lin , Anthony K. H. Tung

Diffuse correlation spectroscopy (DCS) analyzes the autocorrelation function of photons scattered by red blood cells, enabling non-invasive, continuous measurement of deep tissue blood flow at the bedside. Multi-layer DCS models (two- and…

Style transfer in DCE-MRI is a challenging task due to large variations in contrast enhancements across different tissues and time. Current unsupervised methods fail due to the wide variety of contrast enhancement and motion between the…

图像与视频处理 · 电气工程与系统科学 2023-10-23 Adam G. Tattersall , Keith A. Goatman , Lucy E. Kershaw , Scott I. K. Semple , Sonia Dahdouh

Automatic segmentation of brain Magnetic Resonance Imaging (MRI) images is one of the vital steps for quantitative analysis of brain for further inspection. In this paper, NeuroNet has been adopted to segment the brain tissues (white matter…

计算机视觉与模式识别 · 计算机科学 2019-04-02 Fakrul Islam Tushar , Basel Alyafi , Md. Kamrul Hasan , Lavsen Dahal

Significance: Measuring cerebral blood flow (CBF) is crucial for diagnosing various cerebral diseases. An affordable, wearable, and fiber-free continuous-wave speckle contrast flowmetry (CW-DSCF) technique has been developed for continuous…

定量方法 · 定量生物学 2025-02-13 Chaebeom Yeo , Xuhui Liu , Mehrana Mohtasebi , Faezeh Akbari , Faraneh Fathi , Guoqiang Yu

Convolution and deconvolution are essential techniques in various fields, notably in medical imaging, where they play a crucial role in analyzing dynamic processes such as blood flow. This paper explores the convolution and deconvolution of…

图像与视频处理 · 电气工程与系统科学 2024-03-01 Ishmael N. Amartey , Andreas A. Linninger , Thomas Ventimiglia

Focal deficits in ischaemic stroke result from impaired perfusion downstream of a critical vascular occlusion. While parenchymal lesions are traditionally used to predict clinical deficits, the underlying pattern of disrupted perfusion…

Computational Fluid Dynamics (CFD) is the main approach to analyzing flow field. However, the convergence and accuracy depend largely on mathematical models of flow, numerical methods, and time consumption. Deep learning-based analysis of…

计算机视觉与模式识别 · 计算机科学 2025-05-22 Chang Liu

In this paper, an automatic algorithm aimed at volumetric segmentation of acute ischemic stroke lesion in non-contrast computed tomography brain 3D images is proposed. Our deep-learning approach is based on the popular 3D U-Net…

图像与视频处理 · 电气工程与系统科学 2023-10-31 A. V. Dobshik , S. K. Verbitskiy , I. A. Pestunov , K. M. Sherman , Yu. N. Sinyavskiy , A. A. Tulupov , V. B. Berikov

Motor imagery electroencephalogram (MI-EEG) decoding plays a crucial role in developing motor imagery brain-computer interfaces (MI-BCIs). However, decoding intentions from MI remains challenging due to the inherent complexity of EEG…

人机交互 · 计算机科学 2024-10-30 Can Han , Chen Liu , Yaqi Wang , Crystal Cai , Jun Wang , Dahong Qian

The rapid increment of morbidity of brain stroke in the last few years have been a driving force towards fast and accurate segmentation of stroke lesions from brain MRI images. With the recent development of deep-learning, computer-aided…

图像与视频处理 · 电气工程与系统科学 2021-10-25 Hritam Basak , Rukhshanda Hussain , Ajay Rana

Rb-82 dynamic cardiac PET imaging is widely used for the clinical diagnosis of coronary artery disease (CAD), but its short half-life results in high noise levels that degrade dynamic frame quality and parametric imaging. The lack of paired…

Deep learning-based hyperspectral image super-resolution (SR) methods have achieved great success recently. However, most existing models can not effectively explore spatial information and spectral information between bands simultaneously,…

计算机视觉与模式识别 · 计算机科学 2020-01-15 Qi Wang , Qiang Li , Xuelong Li

Motivated by recent work on studying massive imaging data in various neuroimaging studies, we propose a novel spatially varying coefficient model (SVCM) to spatially model the varying association between imaging measures in a…

统计方法学 · 统计学 2014-12-01 Hongtu Zhu , Jianqing Fan , Linglong Kong

Cerebral perfusion plays a crucial role in maintaining brain function and is tightly coupled with neuronal activity. While previous studies have examined cerebral perfusion trajectories across development and aging, precise characterization…

神经元与认知 · 定量生物学 2025-02-13 Xinglin Zeng , Yiran Li , Lin Hua , Ruoxi Lu , Lucas Lemos Franco , Peter Kochunov , Shuo Chen , John A Detre , Ze Wang

Diffusion magnetic resonance imaging (dMRI) is a crucial non-invasive technique for exploring the microstructure of the living human brain. Traditional hand-crafted and model-based tissue microstructure reconstruction methods often require…

图像与视频处理 · 电气工程与系统科学 2025-02-26 Xinrui Ma , Jian Cheng , Wenxin Fan , Ruoyou Wu , Yongquan Ye , Shanshan Wang

Dynamic contrast-enhanced (DCE) MRI is an evolving imaging technique that provides a quantitative measure of pharmacokinetic (PK) parameters in body tissues, in which series of T1-weighted images are collected following the administration…

计算机视觉与模式识别 · 计算机科学 2018-06-13 Cagdas Ulas , Giles Tetteh , Michael J. Thrippleton , Paul A. Armitage , Stephen D. Makin , Joanna M. Wardlaw , Mike E. Davies , Bjoern H. Menze

Previous methods based on 3DCNN, convLSTM, or optical flow have achieved great success in video salient object detection (VSOD). However, they still suffer from high computational costs or poor quality of the generated saliency maps. To…

计算机视觉与模式识别 · 计算机科学 2024-01-02 Xing Zhao , Haoran Liang , Peipei Li , Guodao Sun , Dongdong Zhao , Ronghua Liang , Xiaofei He

We investigate the approximation efficiency of score functions by deep neural networks in diffusion-based generative modeling. While existing approximation theories utilize the smoothness of score functions, they suffer from the curse of…

机器学习 · 计算机科学 2023-09-21 Song Mei , Yuchen Wu