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4,082 Results Found

  • Article
  • Open Access
2,697 Views
16 Pages

14 January 2023

Solving a scalar wave equation by the finite-difference (FD) method is a key step for advanced seismic imaging, in which the numerical accuracy is significantly affected by the FD stencil. High-order spatial and temporal approximations of the FD sten...

  • Article
  • Open Access
9 Citations
3,605 Views
12 Pages

The Role of Temporal Order in Egocentric and Allocentric Spatial Representations

  • Tina Iachini,
  • Francesco Ruotolo,
  • Mariachiara Rapuano,
  • Filomena Leonela Sbordone and
  • Gennaro Ruggiero

1 February 2023

Several studies have shown that spatial information is encoded using two types of reference systems: egocentric (body-based) and/or allocentric (environment-based). However, most studies have been conducted in static situations, neglecting the fact t...

  • Article
  • Open Access
9 Citations
5,550 Views
16 Pages

16 July 2018

Humans are incapable of judging the temporal order of visual events at brief temporal separations with perfect accuracy. Their performance—which is of much interest in visual cognition and attention research—can be measured with the tempo...

  • Article
  • Open Access
1,487 Views
16 Pages

30 October 2023

(1) Background: Since the emergence of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), the evolutionary traits of its variants have been revealed. However, the temporal order of the majority of mutations harbored by variants after the c...

  • Article
  • Open Access
3 Citations
3,940 Views
17 Pages

13 April 2021

What happens first between a corporate social responsibility (CSR) communication and a crisis can result in different levels of perceived cognitive dissonance and corporate hypocrisy depending on whether there is information inconsistency between the...

  • Feature Paper
  • Article
  • Open Access
13 Citations
3,393 Views
15 Pages

Patterns in Temporal Networks with Higher-Order Egocentric Structures

  • Beatriz Arregui-García,
  • Antonio Longa,
  • Quintino Francesco Lotito,
  • Sandro Meloni and
  • Giulia Cencetti

13 March 2024

The analysis of complex and time-evolving interactions, such as those within social dynamics, represents a current challenge in the science of complex systems. Temporal networks stand as a suitable tool for schematizing such systems, encoding all the...

  • Article
  • Open Access
6 Citations
2,774 Views
15 Pages

Second-Order Spatial-Temporal Correlation Filters for Visual Tracking

  • Yufeng Yu,
  • Long Chen,
  • Haoyang He,
  • Jianhui Liu,
  • Weipeng Zhang and
  • Guoxia Xu

22 February 2022

Discriminative correlation filters (DCFs) have been widely used in visual object tracking, but often suffer from two problems: the boundary effect and temporal filtering degradation. To deal with these issues, many DCF-based variants have been propos...

  • Article
  • Open Access
828 Views
28 Pages

29 September 2025

Human storytellers often orchestrate diverse narrative orders (chronological, flashback) for crafting compelling stories. To equip artificial intelligence systems with such capability, existing methods rely on implicitly learning narrative sequential...

  • Article
  • Open Access
1 Citations
1,618 Views
18 Pages

15 April 2024

In this paper, a family of temporal high-order accurate numerical schemes for the Landau–Lifshitz–Gilbert (LLG) equation is proposed. The proposed schemes are developed utilizing the Gauss–Legendre quadrature method, enabling them t...

  • Article
  • Open Access
6 Citations
1,712 Views
14 Pages

A Probabilistic Approach to Estimate the Temporal Order of Pathway Mutations Accounting for Intra-Tumor Heterogeneity

  • Menghan Wang,
  • Yanqi Xie,
  • Jinpeng Liu,
  • Austin Li,
  • Li Chen,
  • Arnold Stromberg,
  • Susanne M. Arnold,
  • Chunming Liu and
  • Chi Wang

8 July 2024

The development of cancer involves the accumulation of somatic mutations in several essential biological pathways. Delineating the temporal order of pathway mutations during tumorigenesis is crucial for comprehending the biological mechanisms underly...

  • Article
  • Open Access
3 Citations
3,806 Views
13 Pages

A Temporal Order in 5′- and 3′- Processing of Eukaryotic tRNAHis

  • Marie-Theres Pöhler,
  • Tracy M. Roach,
  • Heike Betat,
  • Jane E. Jackman and
  • Mario Mörl

For flawless translation of mRNA sequence into protein, tRNAs must undergo a series of essential maturation steps to be properly recognized and aminoacylated by aminoacyl-tRNA synthetase, and subsequently utilized by the ribosome. While all tRNAs car...

  • Article
  • Open Access
1 Citations
739 Views
18 Pages

This article explores the temporal dynamics and fractal characteristics of cosmic ray (CR) intensity by conducting a comprehensive analysis of their intrinsic scaling properties. The study utilizes sophisticated methodologies, including standard Detr...

  • Article
  • Open Access
1 Citations
1,081 Views
22 Pages

High-Order Temporal Context-Aware Aerial Tracking with Heterogeneous Visual Experts

  • Shichao Zhou,
  • Xiangpan Fan,
  • Zhuowei Wang,
  • Wenzheng Wang and
  • Yunpu Zhang

29 June 2025

Visual tracking from the unmanned aerial vehicle (UAV) perspective has been at the core of many low-altitude remote sensing applications. Most of the aerial trackers follow “tracking-by-detection” paradigms or their temporal-context-embed...

  • Article
  • Open Access
4 Citations
2,630 Views
18 Pages

16 November 2023

Temporal knowledge graph completion (TKGC) refers to the prediction and filling in of missing facts on time series, which is essential for many downstream applications. However, many existing TKGC methods suffer from two limitations: (1) they only co...

  • Article
  • Open Access
10 Citations
5,635 Views
17 Pages

The Temporal Order of DNA Replication Shaped by Mammalian DNA Methyltransferases

  • Shin-ichiro Takebayashi,
  • Tyrone Ryba,
  • Kelsey Wimbish,
  • Takuya Hayakawa,
  • Morito Sakaue,
  • Kenji Kuriya,
  • Saori Takahashi,
  • Shin Ogata,
  • Ichiro Hiratani and
  • Masato Ogata
  • + 2 authors

29 January 2021

Multiple epigenetic pathways underlie the temporal order of DNA replication (replication timing) in the contexts of development and disease. DNA methylation by DNA methyltransferases (Dnmts) and downstream chromatin reorganization and transcriptional...

  • Article
  • Open Access
2 Citations
2,110 Views
10 Pages

Investigation of the Spatio-Temporal Characteristics of High-Order Harmonic Generation Using a Bohmian Trajectory Scheme

  • Simeng Song,
  • Linyan Wu,
  • Yue Qiao,
  • Shushan Zhou,
  • Jun Wang,
  • Fuming Guo and
  • Yujun Yang

23 February 2023

High-order harmonic generation of atoms irradiated by an ultrashort laser pulse was calculated by numerically solving the time-dependent Schrödinger equation and the Bohmian trajectory scheme. The harmonic spectra with the two schemes are quanti...

  • Article
  • Open Access
1 Citations
504 Views
22 Pages

This paper presents a Crank–Nicolson mixed finite element method along with its reduced-order extrapolation model for a fourth-order nonlinear diffusion equation with Caputo temporal fractional derivative. By introducing the auxiliary variable...

  • Article
  • Open Access
33 Citations
5,836 Views
14 Pages

10 November 2021

In the area of network analysis, centrality metrics play an important role in defining the “most important” actors in a social network. However, nowadays, most types of networks are dynamic, meaning their topology changes over time. The connection we...

  • Perspective
  • Open Access
2 Citations
2,178 Views
13 Pages

20 December 2024

Mixed infections of plant viruses are common in crops and represent a critical biotic factor with substantial epidemiological implications for plant viral diseases. Compared to single-virus infections, mixed infections arise from simultaneous or sequ...

  • Article
  • Open Access
3 Citations
834 Views
15 Pages

21 February 2025

The uncertainty caused by renewable energy (RES) and diverse load demands may cause power flow fluctuations in modern power systems, where the probabilistic power flow (PPF) is a reliable method for quantifying and analyzing such power flow fluctuati...

  • Article
  • Open Access
1 Citations
1,352 Views
14 Pages

Inherent constant Q attenuation can be described using fractional Laplacian operators. Typically, the fractional Laplacian viscoacoustic or viscoelastic wave equations are addressed utilizing the staggered-grid pseudo-spectral (SGPS) method. However,...

  • Article
  • Open Access
6 Citations
5,029 Views
21 Pages

Judging Relative Onsets and Offsets of Audiovisual Events

  • Puti Wen,
  • Collins Opoku-Baah,
  • Minsun Park and
  • Randolph Blake

3 March 2020

This study assesses the fidelity with which people can make temporal order judgments (TOJ) between auditory and visual onsets and offsets. Using an adaptive staircase task administered to a large sample of young adults, we find that the ability to ju...

  • Article
  • Open Access
5 Citations
7,140 Views
14 Pages

Given the broad range of applications from video surveillance to human–computer interaction, human action learning and recognition analysis based on 3D skeleton data are currently a popular area of research. In this paper, we propose a method f...

  • Article
  • Open Access
7 Citations
3,776 Views
12 Pages

22 July 2019

Accurately predicting the reheater steam temperature over both short and medium time periods is crucial for the efficiency and safety of operations. With regard to the diverse temporal effects of influential factors, the accurate identification of de...

  • Article
  • Open Access
7 Citations
6,075 Views
16 Pages

30 August 2021

Shipment consolidation is one of main initiatives to reduce CO2 emissions and transportation cost. It reduces the number of shipments per customer and reduces transportation costs by using larger shipments. This paper investigates the temporal consol...

  • Article
  • Open Access
2 Citations
1,229 Views
22 Pages

17 March 2025

The valve-side bushing of a converter transformer is a critical component in ultra-high-voltage direct current (UHVDC) systems, making its monitoring through digital twin technology highly significant. However, the complex structure and spatio-tempor...

  • Article
  • Open Access
2 Citations
1,759 Views
17 Pages

Spatial–Temporal Patterns of Carbon Sequestration Benefits and Identification of County-Level Compensation Orders in Beijing–Tianjin–Hebei Ecosystems

  • Feng Yan,
  • Chenyang Li,
  • Zhixue Lu,
  • Zihan Miao,
  • Qianrou Han,
  • Xuehan Huang,
  • Meng Zhao,
  • Jiayi Li,
  • Jiao Pang and
  • Yaheng Chen

15 November 2023

The role of ecosystems in sequestering carbon is becoming increasingly important as China’s “dual-carbon” strategy and the construction of an ecological civilisation continue to be promoted and implemented. The rapid economic develo...

  • Article
  • Open Access
26 Citations
4,698 Views
14 Pages

Action Recognition Based on the Fusion of Graph Convolutional Networks with High Order Features

  • Jiuqing Dong,
  • Yongbin Gao,
  • Hyo Jong Lee,
  • Heng Zhou,
  • Yifan Yao,
  • Zhijun Fang and
  • Bo Huang

21 February 2020

Skeleton-based action recognition is a widely used task in action related research because of its clear features and the invariance of human appearances and illumination. Furthermore, it can also effectively improve the robustness of the action recog...

  • Article
  • Open Access
2 Citations
2,181 Views
15 Pages

Early Spatio-Temporal and Cognitive Deficits in Alzheimer’s Disease

  • Tina Iachini,
  • Mariachiara Rapuano,
  • Francesco Ruotolo,
  • Alessandro Iavarone,
  • Sabrina Iuliano and
  • Gennaro Ruggiero

17 January 2025

Background/Objectives: Mental representation of spatial information relies on egocentric (body-based) and allocentric (environment-based) frames of reference. Research showed that spatial memory deteriorates as Alzheimer’s disease (AD) progress...

  • Article
  • Open Access
1 Citations
1,187 Views
19 Pages

Spatial-Temporal Contextual Aggregation Siamese Network for UAV Tracking

  • Qiqi Chen,
  • Xuan Wang,
  • Faxue Liu,
  • Yujia Zuo and
  • Chenglong Liu

26 August 2024

In recent years, many studies have used Siamese networks (SNs) for UAV tracking. However, there are two problems with SNs for UAV tracking. Firstly, the information sources of the SNs are the invariable template patch and the current search frame. Th...

  • Article
  • Open Access
2,061 Views
14 Pages

In this article, we develop a compact finite difference scheme for a variable-order-time fractional-sub-diffusion equation of a fourth-order derivative term via order reduction. The proposed scheme exhibits fourth-order convergence in space and secon...

  • Article
  • Open Access
2 Citations
1,432 Views
15 Pages

This paper studies synchronization behaviors of two sorts of non-linear fractional-order complex spatio-temporal networks modeled by hyperbolic space-varying PDEs (FCSNHSPDEs), respectively, with time-invariant delays and time-varying delays, includi...

  • Essay
  • Open Access
1,372 Views
13 Pages

30 July 2025

The phrase shiri bing chu 十日並出 (ten suns rose in the sky at once) from the Qiwu lun 齊物論 can also be interpreted as shiri dai chu 十日代出 (ten suns alternately appearing). Here,...

  • Communication
  • Open Access
1 Citations
1,877 Views
11 Pages

14 January 2024

Temporal (race) computing schemes rely on temporal memories, where information is represented with the timing of signal edges. Standard digital circuit techniques can be used to capture the relative timing characteristics of signal edges. However, th...

  • Article
  • Open Access
1,620 Views
21 Pages

30 April 2024

Hypergraphs have received widespread attention in modeling complex data correlations due to their superior performance. In recent years, some researchers have used hypergraph structures to characterize complex non-pairwise joints in the human skeleto...

  • Article
  • Open Access
3 Citations
3,029 Views
12 Pages

Arduino microcontrollers are used for a wide range of technological and biomedical applications, such as image classification, computer vision, brain–computer interaction and vision experiments. Here, we present a new cost-effective mini-device...

  • Article
  • Open Access
18 Citations
6,740 Views
32 Pages

4D U-Nets for Multi-Temporal Remote Sensing Data Classification

  • Michalis Giannopoulos,
  • Grigorios Tsagkatakis and
  • Panagiotis Tsakalides

28 January 2022

Multispectral sensors constitute a core earth observation imaging technology generating massive high-dimensional observations acquired across multiple time instances. The collected multi-temporal remote sensed data contain rich information for Earth...

  • Article
  • Open Access
3 Citations
2,735 Views
21 Pages

21 January 2024

We consider an ensemble of drones moving in a two-dimensional domain, each one of them carrying a communication device, and we investigate the problem of information transfer in the swarm when the transmission capabilities are short range. The proble...

  • Article
  • Open Access
6 Citations
1,954 Views
15 Pages

26 September 2022

Investigating the wave hydrodynamics of free-surface flow over rippled bottoms is a continuing concern due to the existence of submarine multiple sandbars and ambient flow in coastal and estuarial areas. More attention to free-surface wave stimulatio...

  • Article
  • Open Access
998 Views
38 Pages

Learning Directed Knowledge Using Higher-Ordered Neural Networks: Building a Predictive Framework

  • Yousra Moh Ousellam,
  • Bikram Pratim Bhuyan,
  • Rachida Fissoune,
  • Galina Ivanova and
  • Amar Ramdane-Cherif

16 October 2025

Most graph learning methods remain limited to undirected, pairwise interactions, restricting their ability to capture the multi-entity and directional relationships common in real-world systems. We propose the Directed Higher-Ordered Neural Network (...

  • Article
  • Open Access
3 Citations
3,594 Views
12 Pages

Design of Third-Order Dispersion Compensation for the SG PW Laser System Using a Birefringent Crystal

  • Dawei Li,
  • Tao Wang,
  • Xiaolei Yin,
  • Jiamei Li,
  • Hui Yu,
  • Li Wang,
  • Xingqiang Lu and
  • Guang Xu

18 April 2022

This study aims to update the existing SG PW laser system and improve the temporal contrast and shape fidelity of a compressed pulse with a 150 fs level for multi-PW (5–10 PW). The design of third-order dispersion (TOD) compensation via a biref...

  • Article
  • Open Access
5 Citations
2,952 Views
12 Pages

Mapping Temporally Ordered Inputs to Binary Message Outputs with a DNA Temporal Logic Circuit

  • Shuai Zhao,
  • Yuan Liu,
  • Xiaokang Zhang,
  • Rui Qin,
  • Bin Wang and
  • Qiang Zhang

27 February 2023

Molecular circuits and devices with temporal signal processing capability are of great significance for the analysis of complex biological processes. Mapping temporal inputs to binary messages is a process of history-dependent signal responses, which...

  • Article
  • Open Access
732 Views
19 Pages

Modelling the Effect of Viruses on Insect Survival: Using a Second-Order Phase Transition Model to Describe Time–Effect and Dose–Effect Relationships Using Entomopathogenic Viruses as an Example

  • Vladislav Soukhovolsky,
  • Anton Kovalev,
  • Olga Tarasova,
  • Dmitry Kurenshchikov,
  • Yuriy Tokarev,
  • Daria Kharlamova,
  • Yuriy Akhanaev,
  • Sergey Pavlushin and
  • Vyacheslav Martemyanov

3 October 2025

The present study examines the effect of viruses on forest insects depending on the virus dose. Two model approaches are used to quantify the effect of viruses on insect survival. Both approaches describe the processes of virus exposure to insects wi...

  • Communication
  • Open Access
5 Citations
2,243 Views
10 Pages

26 June 2022

(1) Background: A large number of studies have used different psychophysical methods for measuring temporal order judgment (TOJ) thresholds, which makes it difficult to compare the results of different studies. In this study, we aimed to compare the...

  • Article
  • Open Access
2 Citations
6,561 Views
19 Pages

Manual Dexterity is not Related to Media Viewing but is Related to Perceptual Bias in School-Age Children

  • Satoshi Nobusako,
  • Taeko Tsujimoto,
  • Ayami Sakai,
  • Takashi Shuto,
  • Emi Furukawa,
  • Michihiro Osumi,
  • Akio Nakai,
  • Takaki Maeda and
  • Shu Morioka

13 February 2020

Although the media can have both negative and positive effects on children’s cognitive and motor functions, its influence on their perceptual bias and manual dexterity is unclear. Thus, we investigated the association between media viewing time...

  • Article
  • Open Access
14 Citations
4,461 Views
21 Pages

Influencing Factors of Environmental Risk Perception during the COVID-19 Epidemic in China

  • Jingfei Zhang,
  • Zhicheng Zheng,
  • Lijun Zhang,
  • Yaochen Qin,
  • Jieran Duan and
  • Anyi Zhang

The spread of COVID-19 is having a serious impact on socioeconomic development, and increased environmental risk perception (ERP). ERP provide new ideas for the orderly recovery of society. However, there have been studies that often pay attention to...

  • Article
  • Open Access
4 Citations
2,154 Views
25 Pages

9 May 2023

Short-term wind power forecasting is crucial for updating the wind power trading strategy, equipment protection and control regulation. To solve the difficulty surrounding the instability of the statistical model and the time-consuming nature of the...

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