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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

The problem of imputing multivariate time series spans a wide range of fields, from clinical healthcare to multi-sensor systems. Initially, Recurrent Neural Networks (RNNs) were employed for this task; however, their error accumulation…

Myocardial motion tracking is important for assessing cardiac function and diagnosing cardiovascular diseases, for which cine cardiac magnetic resonance (CMR) has been established as the gold standard imaging modality. Many existing methods…

图像与视频处理 · 电气工程与系统科学 2025-07-24 Jiahui Yin , Xinxing Cheng , Jinming Duan , Yan Pang , Declan O'Regan , Hadrien Reynaud , Qingjie Meng

In environmental epidemiology studies, health response data (e.g. hospitalization or mortality) are often noisy because of hospital organization and other social factors. The noise in the data can hide the true signal related to the…

Time series classification (TSC) is crucial in numerous real-world applications, such as environmental monitoring, medical diagnosis, and posture recognition. TSC tasks require models to effectively capture discriminative information for…

机器学习 · 计算机科学 2025-12-10 Da Zhang , Bingyu Li , Zhiyuan Zhao , Yanhan Zhang , Junyu Gao , Feiping Nie , Xuelong Li

The problem of Time-series Forecasting is generally addressed by recurrent, Transformer-based and the recently proposed Mamba-based architectures. However, existing architectures generally process their input at a single temporal scale,…

机器学习 · 计算机科学 2026-03-06 Yusuf Meric Karadag , Ismail Talaz , Ipek Gursel Dino , Sinan Kalkan

Transformer-based methods have achieved remarkable performance in event-based object detection, owing to the global modeling ability. However, they neglect the influence of non-event and noisy regions and process them uniformly, leading to…

计算机视觉与模式识别 · 计算机科学 2025-01-22 Nan Yang , Yang Wang , Zhanwen Liu , Meng Li , Yisheng An , Xiangmo Zhao

Time series data plays a pivotal role in a wide variety of fields but faces challenges related to privacy concerns. Recently, synthesizing data via diffusion models is viewed as a promising solution. However, existing methods still struggle…

机器学习 · 计算机科学 2025-11-25 Zihao Yao , Jiankai Zuo , Yaying Zhang

We introduce CausalMamba, a scalable framework that addresses fundamental limitations in fMRI-based causal inference: the ill-posed nature of inferring neural causality from hemodynamically distorted BOLD signals and the computational…

计算机视觉与模式识别 · 计算机科学 2025-10-21 Sangyoon Bae , Jiook Cha

Irregularly-sampled time series occur in many domains including healthcare. They can be challenging to model because they do not naturally yield a fixed-dimensional representation as required by many standard machine learning models. In…

机器学习 · 计算机科学 2020-08-19 Steven Cheng-Xian Li , Benjamin M. Marlin

Human-human interaction generation has garnered significant attention in motion synthesis due to its vital role in understanding humans as social beings. However, existing methods typically rely on transformer-based architectures, which…

计算机视觉与模式识别 · 计算机科学 2025-06-04 Zizhao Wu , Yingying Sun , Yiming Chen , Xiaoling Gu , Ruyu Liu , Jiazhou Chen

Traffic flow estimation (TFE) is crucial for urban intelligent traffic systems. While traditional on-road detectors are hindered by limited coverage and high costs, cloud computing and data mining of vehicular network data, such as driving…

人工智能 · 计算机科学 2024-07-12 Doncheng Yuan , Jianzhe Xue , Jinshan Su , Wenchao Xu , Haibo Zhou

Recurrent Neural Networks (RNNs) have emerged as an interesting alternative to conventional material modeling approaches, particularly for nonlinear path dependent materials. Remarkable computational enhancements are obtained using RNNs…

计算工程、金融与科学 · 计算机科学 2024-09-05 Petter Uvdal , Mohsen Mirkhalaf

Time series forecasting requires balancing short-term and long-term dependencies for accurate predictions. Existing methods mainly focus on long-term dependency modeling, neglecting the complexities of short-term dynamics, which may hinder…

机器学习 · 计算机科学 2024-08-29 Sijia Peng , Yun Xiong , Yangyong Zhu , Zhiqiang Shen

Predicting user preferences and sequential dependencies based on historical behavior is the core goal of sequential recommendation. Although attention-based models have shown effectiveness in this field, they often struggle with inference…

机器学习 · 计算机科学 2024-06-11 Yuda Wang , Xuxin He , Shengxin Zhu

Clinical medical data, especially in the intensive care unit (ICU), consist of multivariate time series of observations. For each patient visit (or episode), sensor data and lab test results are recorded in the patient's Electronic Health…

机器学习 · 计算机科学 2017-03-23 Zachary C. Lipton , David C. Kale , Charles Elkan , Randall Wetzel

Electronic health records (EHR) consist of longitudinal clinical observations portrayed with sparsity, irregularity, and high-dimensionality, which become major obstacles in drawing reliable downstream clinical outcomes. Although there…

机器学习 · 计算机科学 2020-11-17 Ahmad Wisnu Mulyadi , Eunji Jun , Heung-Il Suk

Time series forecasting plays a pivotal role in critical domains such as energy management and financial markets. Although deep learning-based approaches (e.g., MLP, RNN, Transformer) have achieved remarkable progress, the prevailing…

机器学习 · 计算机科学 2025-10-24 Renzhao Liang , Sizhe Xu , Chenggang Xie , Jingru Chen , Feiyang Ren , Shu Yang , Takahiro Yabe

The autoregressive moving average (ARMA) model is a classical, and arguably one of the most studied approaches to model time series data. It has compelling theoretical properties and is widely used among practitioners. More recent deep…

机器学习 · 计算机科学 2024-01-12 Philipp Schiele , Christoph Berninger , David Rügamer

Longitudinal analysis of sequential radiological images is hampered by a fundamental data challenge: how to effectively model a sequence of high-resolution images captured at irregular time intervals. This data structure contains…

计算机视觉与模式识别 · 计算机科学 2025-10-23 Zhengbo Zhou , Dooman Arefan , Margarita Zuley , Shandong Wu