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301 Results Found

  • Article
  • Open Access
1,086 Views
36 Pages

29 January 2026

Understanding high-dimensional dependencies in modern financial systems requires time series models that capture both contemporaneous and dynamic linkages. This study develops a sparse spatio-temporal vector autoregressive framework to analyse the ne...

(This article belongs to the Special Issue Time Series Analysis: Methods and Applications)
  • Article
  • Open Access
247 Views
22 Pages

Data-Driven Short-Term Forecasting of Indoor Thermal Fields via ST-JEPA for HVAC Feedforward Regulation

  • Jing Wang,
  • Xiaoli Zhao,
  • Borui Wang,
  • Yu Wang and ,
  • Sheng Miao and
  • Songtao Hu
  • + 1 author+ 0 author

28 September 2026

Precise indoor thermal environment forecasting is critical for the energy-efficient operation and model predictive control of building heating, ventilation, and air-conditioning (HVAC) systems. However, conventional predictive models often struggle t...

(This article belongs to the Special Issue Carbon-Neutral Pathways for Urban Building Design—2nd Edition)
  • Article
  • Open Access
673 Views
21 Pages

1 March 2026

Topology identification and signal inference are cornerstone tasks in graph signal processing (GSP). Structural Equation Modeling (SEM) is particularly effective for network inference as it explicitly captures causal dependencies. However, a major bo...

(This article belongs to the Special Issue Advanced Computational and Intelligent Methods in Signal Processing)
  • Article
  • Open Access
2 Citations
6,170 Views
28 Pages

Timescape: A Novel Spatiotemporal Modeling Tool

  • Marco Ciolfi,
  • Francesca Chiocchini,
  • Rocco Pace,
  • Giuseppe Russo and
  • Marco Lauteri

17 February 2022

We developed a novel approach in the field of spatiotemporal modeling, based on the spatialisation of time, the Timescape algorithm. It is especially aimed at sparsely distributed datasets in ecological research, whose spatial and temporal variabilit...

  • Article
  • Open Access
24 Citations
7,212 Views
17 Pages

30 May 2025

The characteristics of multivariate heterogeneity in traffic flow forecasting exhibit significant variation, heavily influenced by spatio-temporal dynamics and unforeseen events. To address this challenge, we propose a spatio-temporal fusion graph ne...

(This article belongs to the Section Communications)
  • Article
  • Open Access
6 Citations
3,031 Views
19 Pages

Anomaly Detection of Sensor Arrays of Underwater Methane Remote Sensing by Explainable Sparse Spatio-Temporal Transformer

  • Kai Zhang,
  • Wangze Ni,
  • Yudi Zhu,
  • Tao Wang and ,
  • Wenkai Jiang,
  • Min Zeng and
  • Zhi Yang
  • + 2 authors+ 0 author

1 July 2024

The increasing discovery of underwater methane leakage underscores the importance of monitoring methane emissions for environmental protection. Underwater remote sensing of methane leakage is critical and meaningful to protect the environment. The co...

(This article belongs to the Section Ocean Remote Sensing)
  • Article
  • Open Access
11 Citations
3,424 Views
15 Pages

Crime prediction is crucial for sustainable urban development and protecting citizens’ quality of life. However, there exist some challenges in this regard. First, the spatio-temporal correlations in crime data are relatively complex and are he...

  • Article
  • Open Access
7 Citations
4,338 Views
17 Pages

10 September 2022

The modeling, computational complexity, and accuracy of spatio-temporal models are the three major foci in the field of video action recognition. The traditional 2D convolution has low computational complexity, but it cannot capture the temporal rela...

(This article belongs to the Topic Machine and Deep Learning)
  • Article
  • Open Access
1 Citations
588 Views
23 Pages

In response to the redundant spatio-temporal modeling and insufficient adaptation to dynamic decision-making in eye-tracking interaction of smart home interfaces, a smart home interface eye-tracking response optimization model based on spatio-tempora...

(This article belongs to the Section Computer Science & Engineering)
  • Article
  • Open Access
1 Citations
2,938 Views
27 Pages

Multi-Channel Spatio-Temporal Data Fusion of ‘Big’ and ‘Small’ Network Data Using Transformer Networks

  • Tao Cheng,
  • Hao Chen,
  • Xianghui Zhang,
  • Xiaowei Gao and ,
  • Lu Yin and
  • Jianbin Jiao
  • + 1 author+ 0 author

The integration of heterogeneous spatio-temporal datasets presents a critical challenge in geospatial data science, particularly when combining large-scale, passively collected “big” data with precise but sparse “small” data....

  • Article
  • Open Access
5 Citations
2,224 Views
23 Pages

ViViT-Prob: A Radar Echo Extrapolation Model Based on Video Vision Transformer and Spatiotemporal Sparse Attention

  • Yunan Qiu,
  • Bingjian Lu,
  • Wenrui Xiong,
  • Zhenyu Lu and ,
  • Le Sun and
  • Yingjie Cui
  • + 1 author+ 0 author

6 June 2025

Weather radar, as a crucial component of remote sensing data, plays a vital role in convective weather forecasting through radar echo extrapolation techniques. To address the limitations of existing deep learning methods in radar echo extrapolation,...

  • Article
  • Open Access
2,136 Views
16 Pages

Human motion prediction is critical for applications such as autonomous driving and healthcare. However, existing methods struggle to balance diversity (varied motion patterns), fidelity (realistic and accurate motion), and computational efficiency....

(This article belongs to the Section Artificial Intelligence)
  • Article
  • Open Access
1 Citations
1,046 Views
31 Pages

Spatio-Temporal and Semantic Dual-Channel Contrastive Alignment for POI Recommendation

  • Chong Bu,
  • Yujie Liu,
  • Jing Lu,
  • Manqi Huang and ,
  • Maoyi Li and
  • Jiarui Li
  • + 1 author+ 0 author

Point-of-Interest (POI) recommendation predicts users’ future check-ins based on their historical trajectories and plays a key role in location-based services (LBS). Traditional approaches such as collaborative filtering and matrix factorizatio...

(This article belongs to the Topic Graph Neural Networks and Learning Systems)
  • Review
  • Open Access
7 Citations
4,751 Views
13 Pages

20 January 2019

Information is the fundamental currency of naturally occurring complex adaptive systems, whether they are individual organisms or collective social insect colonies. Information appears to be more important than energy in determining the behavior of t...

(This article belongs to the Special Issue Information Theory in Complex Systems)
  • Article
  • Open Access
2 Citations
790 Views
24 Pages

FeedbackSTS-Det: Sparse-Frames-Based Spatio-Temporal Semantic Feedback Network for Moving Infrared Small Target Detection

  • Yian Huang,
  • Qing Qin,
  • Aji Mao,
  • Xiangyu Qiu and ,
  • Han Guo,
  • Liang Xu,
  • Xian Zhang and
  • Zhenming Peng
  • + 3 authors+ 0 author

18 June 2026

Infrared small target detection (ISTD) has been a critical technology in various civilian and industrial applications over the past several decades, such as civilian patrol missions aboard UAVs or shipboard systems, and industrial inspection tasks li...

(This article belongs to the Special Issue Advanced Artificial Intelligence and Deep Learning for Remote Sensing (4th Edition))
  • Article
  • Open Access
7 Citations
2,012 Views
28 Pages

STDNet: Spatio-Temporal Decompose Network for Predicting Arctic Sea Ice Concentration

  • Xu Zhu,
  • Jing Wang,
  • Guojun Wang,
  • Yangming Jiang and ,
  • Yi Sun and
  • Huihui Zhao
  • + 1 author+ 0 author

3 December 2024

In the context of global warming, the accurate prediction of Arctic Sea Ice Concentration (SIC) is crucial for the development of Arctic shipping routes. We have therefore constructed a lightweight, non-recursive spatio-temporal prediction model, the...

  • Article
  • Open Access
14 Citations
4,096 Views
18 Pages

In urban environmental management and public health evaluation efforts, there is an urgent need for fine-grained urban air quality monitoring. However, the high price and sparse distribution of air quality monitoring equipment make it difficult to de...

  • Article
  • Open Access
24 Citations
5,955 Views
21 Pages

29 September 2017

In this paper, a novel infrared target co-detection model combining the self-correlation features of backgrounds and the commonality features of targets in the spatio-temporal domain is proposed to detect small targets in a sequence of infrared image...

(This article belongs to the Special Issue Video Analysis and Tracking Using State-of-the-Art Sensors)
  • Article
  • Open Access
10 Citations
4,280 Views
19 Pages

2 May 2021

Video scene graph generation (ViDSGG), the creation of video scene graphs that helps in deeper and better visual scene understanding, is a challenging task. Segment-based and sliding-window based methods have been proposed to perform this task. Howev...

(This article belongs to the Special Issue Applications of Video Processing and Computer Vision Sensor)
  • Article
  • Open Access
1 Citations
1,966 Views
30 Pages

Unmanned Aerial Vehicle (UAV) visual tracking is widely used but continues to face challenges such as unpredictable target motion, error accumulation, and the sparse appearance of small targets. To address these issues, we propose a Mamba-based Spati...

(This article belongs to the Section Systems & Control Engineering)
  • Article
  • Open Access
3 Citations
1,207 Views
19 Pages

A Real-Time Photovoltaic Power Estimation Framework Based on Multi-Scale Spatio-Temporal Graph Fusion

  • Gaofei Yang,
  • Jiale Xiao,
  • Chaoyang Zhang,
  • Debang Yang and
  • Changyun Li

18 November 2025

Accurate forecasting of photovoltaic (PV) power is crucial for real-time grid balancing and storage optimization. However, the intermittent, noisy, and nonstationary nature of PV generation, together with cross-site interactions, makes multi-site int...

  • Article
  • Open Access
1,018 Views
24 Pages

1 April 2026

Modeling the complex spatio-temporal dynamics of infectious diseases presents a significant computational challenge due to heterogeneous regional interactions, high-dimensional multimodal data streams, and the critical need for algorithmic fairness....

(This article belongs to the Special Issue Optimization and Modeling in Spatio-Temporal Data Mining Using Graph Neural Networks)
  • Article
  • Open Access
1 Citations
1,528 Views
17 Pages

1 April 2026

High-precision wind power prediction improves grid stability and reduces curtailment losses. Existing methods face three limitations: static graphs cannot capture dynamic spatial correlations under weather changes, time series models miss multi-scale...

(This article belongs to the Section Artificial Intelligence)
  • Article
  • Open Access
26 Views
33 Pages

A Spatio-Temporal Fusion Method for Mine Subsidence Based on Decoupling the Basic Deformation Field from Residuals Using InSAR-GNSS

  • Xu Yang,
  • Zhenyuan He,
  • Jiajia Yuan,
  • Mingfei Zhu and ,
  • Xuexiang Yu,
  • Lei Wang,
  • Yulong Ge and
  • Shuai Nie
  • + 3 authors+ 0 author

4 November 2026

Ground surface subsidence resulting from underground mining is characterized by significant spatial deformation gradients and nonlinear temporal deformation. A single monitoring technique is insufficient to simultaneously achieve extensive spatial co...

(This article belongs to the Special Issue Multimodal Remote Sensing and Artificial Intelligence for Natural Disasters Monitoring, Early Warning, and Risk Management)
  • Article
  • Open Access
5 Citations
2,465 Views
32 Pages

7 October 2025

Industrial control systems (ICSs) face escalating security challenges due to evolving cyber threats and the inherent limitations of traditional intrusion detection methods, which fail to adequately model spatiotemporal dependencies or interpret compl...

(This article belongs to the Topic AI and Data-Driven Advancements in Industry 4.0, 2nd Edition)
  • Article
  • Open Access
465 Views
24 Pages

Efficient Near-Field Millimeter Wave Imaging Based on Spatio-Temporal Adaptive Synergistic Constraint

  • Jingjing Wang,
  • Rongbo Sun,
  • Haowei Duan,
  • Hao Chen and ,
  • Gang Yu and
  • Huaqiang Xu
  • + 1 author+ 0 author

4 June 2026

Compressed sensing (CS) and matrix completion algorithms (MCA) have each introduced sparse and low-rank priors into synthetic aperture radar (SAR) imaging. However, their combined use reveals a fundamental zero-sum trade-off: enhancing spatial contin...

(This article belongs to the Special Issue Advances in Deep Learning Change Detection Based on High-Resolution Remote Sensing Imagery)
  • Review
  • Open Access
36 Citations
13,826 Views
29 Pages

Machine Learning in Fluid Dynamics—Physics-Informed Neural Networks (PINNs) Using Sparse Data: A Review

  • Mouhammad El Hassan,
  • Ali Mjalled,
  • Philippe Miron,
  • Martin Mönnigmann and
  • Nikolay Bukharin

28 August 2025

Fluid mechanics often involves complex systems characterized by a large number of physical parameters, which are usually described by experimental and numerical sparse data (temporal or spatial). The difficulty of obtaining complete spatio-temporal d...

(This article belongs to the Special Issue Machine Learning and Artificial Intelligence in Fluid Mechanics)
  • Article
  • Open Access
6 Citations
4,305 Views
24 Pages

1 October 2025

Spiking neural networks (SNNs) have emerged as a promising model for energy-efficient, event-driven processing of asynchronous event streams from Dynamic Vision Sensors (DVSs), a class of neuromorphic image sensors with microsecond-level latency and...

(This article belongs to the Section Intelligent Sensors)
  • Article
  • Open Access
6 Citations
1,989 Views
14 Pages

28 November 2024

Aiming at the problem that the existing human skeleton behavior recognition methods are insensitive to human local movements and show inaccurate recognition in distinguishing similar behaviors, a multi-scale spatio-temporal graph convolution method i...

(This article belongs to the Special Issue AI-Based Computer Vision Sensors & Systems)
  • Article
  • Open Access
5 Citations
5,755 Views
18 Pages

RSS Fingerprint Based Indoor Localization Using Sparse Representation with Spatio-Temporal Constraint

  • Xinglin Piao,
  • Yong Zhang,
  • Tingshu Li,
  • Yongli Hu and ,
  • Hao Liu,
  • Ke Zhang and
  • Yun Ge
  • + 2 authors+ 0 author

3 November 2016

The Received Signal Strength (RSS) fingerprint-based indoor localization is an important research topic in wireless network communications. Most current RSS fingerprint-based indoor localization methods do not explore and utilize the spatial or tempo...

(This article belongs to the Section Sensor Networks)
  • Article
  • Open Access
2 Citations
1,380 Views
21 Pages

Context-Aware Knowledge Graph Learning for Point-of-Interest Recommendation

  • Yan Zhou,
  • Di Zhang,
  • Kaixuan Zhou and
  • Pengcheng Han

Existing point-of-interest (POI) recommendation methods often fail to capture complex contextual dependencies and suffer from severe data sparsity in location-based social networks (LBSNs). To address these limitations, this study proposes a Context-...

  • Article
  • Open Access
423 Views
24 Pages

16 August 2026

Chlorophyll-a concentration (Chl-a) is a key indicator of marine water quality, phytoplankton biomass, and aquatic ecosystem status. Multi-step forecasting is challenging because Chl-a dynamics exhibit regional heterogeneity, multi-scale variability,...

(This article belongs to the Section Water Quality and Contamination)
  • Article
  • Open Access
2 Citations
1,176 Views
23 Pages

4 April 2026

Traffic flow forecasting provides essential support for the construction of smart transportation systems. Despite the superiority of the ASTGCN, which uses an attention mechanism to capture spatio-temporal correlations, it lacks an explicit physical...

  • Article
  • Open Access
7 Citations
2,477 Views
25 Pages

Frequency-Enhanced Transformer with Symmetry-Based Lightweight Multi-Representation for Multivariate Time Series Forecasting

  • Chenyue Wang,
  • Zhouyuan Zhang,
  • Xin Wang,
  • Mingyang Liu and ,
  • Lin Chen and
  • Jiatian Pi
  • + 1 author+ 0 author

25 June 2024

Transformer-based methods have recently demonstrated their potential in time series forecasting problems. However, the mainstream approach, primarily utilizing attention to model inter-step correlation in the time domain, is constrained by two signif...

(This article belongs to the Section A: Computer Science)
  • Letter
  • Open Access
17 Citations
4,729 Views
13 Pages

19 June 2020

The article presents a new space-time adaptive processing (STAP) method for target detection in a heterogeneous and non-stationary environment. In study it was proven that it is possible to estimate the clutter covariance matrix (CCM) in STAP by usin...

(This article belongs to the Special Issue Microwave Sensors and Radar Techniques)
  • Article
  • Open Access
10 Citations
2,960 Views
16 Pages

1 October 2024

High-precision traffic flow prediction facilitates intelligent traffic control and refined management decisions. Previous research has built a variety of exquisite models with good prediction results. However, they ignore the reality that traffic flo...

(This article belongs to the Special Issue Advances in Intelligent Transportation Systems)
  • Article
  • Open Access
1 Citations
3,010 Views
25 Pages

15 November 2024

Reliable environmental perception capabilities are a prerequisite for achieving autonomous driving. Cameras and LiDAR are sensitive to illumination and weather conditions, while millimeter-wave radar avoids these issues. Existing models rely heavily...

  • Article
  • Open Access
3 Citations
4,354 Views
18 Pages

24 October 2024

Conventional approaches to video action recognition perform global attention over the entire video patches, which may be ineffective due to the temporal redundancy of video frames. Recent works on masked video modeling adopt a high-ratio tube masking...

(This article belongs to the Collection Advances in Deep-Learning-Based Sensing, Imaging, and Video Processing)
  • Article
  • Open Access
1 Citations
1,412 Views
21 Pages

Reliable air-quality monitoring is essential for urban exposure assessment and environmental policy, yet many downstream applications are hindered by sparse regulatory stations and noisy real-world measurements. While diffusion models have shown prom...

(This article belongs to the Topic Advances in Sensor Data Fusion and AI for Environmental Monitoring)
  • Article
  • Open Access
1 Citations
839 Views
18 Pages

7 March 2026

Real surveillance systems require weakly supervised video anomaly detection due to the fact that long untrimmed videos do not always have accurate temporal labels. Models will be required to label a video as normal or abnormal and also to identify sp...

(This article belongs to the Section Computing and Artificial Intelligence)
  • Article
  • Open Access
432 Views
31 Pages

A Mass-Conserving Spatiotemporal Graph ODE Model for Multi-Step Streamflow Forecasting in a Sparsely Gauged Semi-Arid Basin

  • Feng Liu,
  • Lu Chang,
  • Huiyu Zhao,
  • Ruidong Jian and ,
  • Danjun Wang and
  • Zhigang Han
  • + 1 author+ 0 author

6 October 2026

Semi-arid loess basins in the middle Yellow River have rapid runoff responses, short hydrological memory, and sparse gauging networks, so pooled metrics across all stations can conceal forecast failures in low-flow tributaries and during dry periods....

(This article belongs to the Section New Sensors, New Technologies and Machine Learning in Water Sciences)
  • Article
  • Open Access
2 Views
36 Pages

Time-Varying Dependence Regimes for Multivariate Spatial Processes

  • Lucas Moura Faria e Silva and
  • Thaís Cristina Oliveira da Fonseca

7 November 2026

Reconstructing and predicting multivariate environmental fields requires models that propagate information coherently across variables, space, and time, while allowing cross-dependence to change. We propose a Bayesian dynamic mixture of conditional G...

(This article belongs to the Special Issue Spatial Statistics)
  • Article
  • Open Access
124 Views
32 Pages

22 October 2026

Modeling and forecasting online illegal transactions require representations of recurrent temporal variation, uneven spatial activity, and changing local conditions. This paper studies a framework consisting of spatio-temporal assessment, adaptive pe...

(This article belongs to the Special Issue Symmetry or Asymmetry in Artificial Intelligence)
  • Article
  • Open Access
1 Citations
686 Views
18 Pages

12 January 2026

The stock market is of paramount importance to economic development. Investors who accurately predict stock price fluctuations based on its high volatility can effectively mitigate investment risks and achieve higher returns. Traditional time series...

(This article belongs to the Section Algorithms for Multidisciplinary Applications)
  • Article
  • Open Access
1,957 Views
17 Pages

Improved Variational Bayes for Space-Time Adaptive Processing

  • Kun Li,
  • Jinyang Luo,
  • Peng Li,
  • Guisheng Liao and ,
  • Zhixiang Huang and
  • Lixia Yang
  • + 1 author+ 0 author

26 February 2025

To tackle the challenge of enhancing moving target detection performance in environments characterized by small sample sizes and non-uniformity, methods rooted in sparse signal reconstruction have been incorporated into Space-Time Adaptive Processing...

(This article belongs to the Section Signal and Data Analysis)
  • Article
  • Open Access
1 Citations
1,144 Views
21 Pages

TSCL-LwF: A Cross-Subject Emotion Recognition Model via Multi-Scale CNN and Incremental Learning Strategy

  • Chunting Wan,
  • Xing Tang,
  • Cong Hu,
  • Juan Yang and ,
  • Shaorong Zhang and
  • Dongyi Chen
  • + 1 author+ 0 author

Background/Objectives: Wearable affective human–computer interaction increasingly relies on sparse-channel EEG signals to ensure comfort and practicality in real-life scenarios. However, the limited information provided by sparse-channel EEG, t...

(This article belongs to the Section Computational Neuroscience, Neuroinformatics, and Neurocomputing)
  • Article
  • Open Access
22 Citations
3,613 Views
20 Pages

Smart Sleep Monitoring: Sparse Sensor-Based Spatiotemporal CNN for Sleep Posture Detection

  • Dikun Hu,
  • Weidong Gao,
  • Kai Keng Ang,
  • Mengjiao Hu and ,
  • Gang Chuai and
  • Rong Huang
  • + 1 author+ 0 author

25 July 2024

Sleep quality is heavily influenced by sleep posture, with research indicating that a supine posture can worsen obstructive sleep apnea (OSA) while lateral postures promote better sleep. For patients confined to beds, regular changes in posture are c...

(This article belongs to the Special Issue Artificial Neural Networks-Based Sensing and Biomedical Signal Processing Technology)
  • Article
  • Open Access
2 Citations
918 Views
21 Pages

9 December 2025

Electric vehicle (EV) charging behavior exhibits strong spatio-temporal randomness, often leading to transient peak loads and an elevated risk of distribution network overloads. In addition, existing prediction models still face challenges in achievi...

  • Article
  • Open Access
36 Citations
8,436 Views
15 Pages

18 February 2022

Many devices have been used to detect human action, including wearable devices, cameras, lidars, and radars. However, some people, such as the elderly and young children, may not know how to use wearable devices effectively. Cameras have the disadvan...

(This article belongs to the Special Issue AI, Machine Learning and Deep Learning in Signal Processing)
  • Article
  • Open Access
3 Citations
3,610 Views
26 Pages

26 March 2023

Operational weather satellites, dating back to 1970s, currently provide the best basis for climatological investigations, such as an analysis of changes in the cloud cover. Because clouds are highly dynamic in time, temporally high-resolution data fr...

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