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The pressure of ever-increasing patient demand and budget restrictions make hospital bed management a daily challenge for clinical staff. Most critical is the efficient allocation of resource-heavy Intensive Care Unit (ICU) beds to the…

机器学习 · 计算机科学 2021-02-25 Emma Rocheteau , Pietro Liò , Stephanie Hyland

Enhancing the precision of segmenting coronary atherosclerotic plaques from CT Angiography (CTA) images is pivotal for advanced Coronary Atherosclerosis Analysis (CAA), which distinctively relies on the analysis of vessel cross-section…

图像与视频处理 · 电气工程与系统科学 2025-01-15 Ziheng Zhang , Zihan Li , Dandan Shan , Yuehui Qiu , Qingqi Hong , Qingqiang Wu

Background: Accurate short-term readmission prediction of ICU patients is significant in improving the efficiency of resource assignment by assisting physicians in making discharge decisions. Clinically, both individual static static and…

机器学习 · 计算机科学 2024-07-17 Zhe Sun , Runzhi Li , Jing Wang , Gang Chen , Siyu Yan , Lihong Ma

Functional magnetic resonance imaging (fMRI) is a powerful tool for probing brain function, yet reliable clinical diagnosis is hampered by low signal-to-noise ratios, inter-subject variability, and the limited frequency awareness of…

计算机视觉与模式识别 · 计算机科学 2026-03-03 Junhao Jia , Yifei Sun , Yunyou Liu , Cheng Yang , Changmiao Wang , Feiwei Qin , Yong Peng , Wenwen Min

The research paper addresses linear decomposition of time series of non-additive metrics that allows for the identification and interpretation of contributing factors (input features) of variance. Non-additive metrics, such as ratios, are…

机器学习 · 计算机科学 2022-04-15 Alex Glushkovsky

Accurate and interpretable mortality risk prediction in intensive care units (ICUs) remains a critical challenge due to the irregular temporal structure of electronic health records (EHRs), the complexity of longitudinal disease…

机器学习 · 计算机科学 2026-03-10 Zahra Jafari , Azadeh Zamanifar , Amirfarhad Farhadi

Stroke is globally a major cause of mortality and morbidity, and hence accurate and rapid diagnosis of stroke is valuable. Retinal fundus imaging reveals the known markers of elevated stroke risk in the eyes, which are retinal venular…

图像与视频处理 · 电气工程与系统科学 2025-02-04 Aysen Degerli , Mika Hilvo , Juha Pajula , Petri Huhtinen , Pekka Jäkälä

The accurate diagnosis and segmentation of tumors in contrast-enhanced Computed Tomography (CT) are fundamentally driven by the distinctive hemodynamic profiles of contrast agents over time. However, in real-world clinical practice,…

计算机视觉与模式识别 · 计算机科学 2026-03-02 Zishuo Wan , Qinqin Kang , Na Li , Yi Huang , Qianru Zhang , Le Lu , Yun Bian , Dawei Ding , Ke Yan

Diffusional Kurtosis Imaging (DKI) is a sensitive biomarker for microstructure in health and disease. However, DKI is not specific to any microstructural property since it may emerge from several different sources. Q-space trajectory…

医学物理 · 物理学 2020-03-06 Rafael Neto Henriques , Sune Nørhøj Jespersen , Noam Shemesh

In vivo cardiac diffusion tensor imaging (cDTI) is a promising Magnetic Resonance Imaging (MRI) technique for evaluating the micro-structure of myocardial tissue in the living heart, providing insights into cardiac function and enabling the…

Stroke is the second leading cause of death and the third leading cause of disability worldwide. Clinical guidelines establish diffusion resonance imaging (DWI, ADC) as the standard for localizing, characterizing, and measuring infarct…

图像与视频处理 · 电气工程与系统科学 2025-08-27 Edgar Rangel , Fabio Martinez

The concept of topological sensitivity (TS) is extended to enable simultaneous 3D reconstruction of fractures with unknown boundary condition and characterization of their interface by way of elastic waves. Interactions between the two…

材料科学 · 物理学 2015-02-10 Fatemeh Pourahmadian , Bojan B. Guzina

Automatic identification of brain lesions from magnetic resonance imaging (MRI) scans of stroke survivors would be a useful aid in patient diagnosis and treatment planning. We propose a multi-modal multi-path convolutional neural network…

计算机视觉与模式识别 · 计算机科学 2019-05-28 Yunzhe Xue , Fadi G. Farhat , Olga Boukrina , A . M. Barrett , Jeffrey R. Binder , Usman W. Roshan , William W. Graves

Understanding temporal dynamics in medical imaging is crucial for applications such as disease progression modeling, treatment planning and anatomical development tracking. However, most deep learning methods either consider only single…

计算机视觉与模式识别 · 计算机科学 2025-09-01 Nico Albert Disch , Yannick Kirchhoff , Robin Peretzke , Maximilian Rokuss , Saikat Roy , Constantin Ulrich , David Zimmerer , Klaus Maier-Hein

Time-delay embedding is a fundamental technique in Topological Data Analysis (TDA) for reconstructing the phase space dynamics of time-series data. Persistent homology effectively identifies global topological features, such as loops…

统计理论 · 数学 2026-04-21 Donghyun Park , Junhyun An , Taehyoung Kim , Jisu Kim

The accurate assessment of White matter hyperintensities (WMH) burden is of crucial importance for epidemiological studies to determine association between WMHs, cognitive and clinical data. The manual delineation of WMHs is tedious, costly…

组织与器官 · 定量生物学 2018-01-03 R. Guerrero , C. Qin , O. Oktay , C. Bowles , L. Chen , R. Joules , R. Wolz , M. C. Valdes-Hernandez , D. A. Dickie , J. Wardlaw , D. Rueckert

PET imaging is widely employed for observing biological metabolic activities within the human body. However, numerous benign conditions can cause increased uptake of radiopharmaceuticals, confounding differentiation from malignant tumors.…

图像与视频处理 · 电气工程与系统科学 2024-10-31 Ran Hong , Yuxia Huang , Lei Liu , Zhonghui Wu , Bingxuan Li , Xuemei Wang , Qiegen Liu

Temporal knowledge graphs represent temporal facts $(s,p,o,\tau)$ relating a subject $s$ and an object $o$ via a relation label $p$ at time $\tau$, where $\tau$ could be a time point or time interval. Temporal knowledge graphs may exhibit…

人工智能 · 计算机科学 2023-12-27 Jiaxin Pan , Mojtaba Nayyeri , Yinan Li , Steffen Staab

Non-Hermitian systems give rise to distinct topological phenomena, yet their manifestations at temporal interfaces characterized by abrupt changes in system parameters remain largely unex plored. Upon an abrupt alteration of the Hamiltonian…

Increased attention has been paid over the last four years to dynamic network embedding. Existing dynamic embedding methods, however, consider the problem as limited to the evolution of a topology over a sequence of global, discrete states.…

机器学习 · 计算机科学 2021-11-23 David Bayani