Skip to Content
You are currently on the new version of our website. Access the old version .

336 Results Found

  • Article
  • Open Access
9 Citations
3,046 Views
16 Pages

Multiscale Spatial Polygonal Object Granularity Factor Matching Method Based on BPNN

  • Daoye Zhu,
  • Chengqi Cheng,
  • Weixin Zhai,
  • Yihang Li,
  • Shizhong Li and
  • Bo Chen

Spatial object matching is one of the fundamental technologies used for updating and merging spatial data. This study focused mainly on the matching optimization of multiscale spatial polygonal objects. We proposed a granularity factor evaluation ind...

  • Article
  • Open Access
11 Citations
3,469 Views
15 Pages

28 June 2019

This paper proposes a spatial data attribute similarity measure method based on granular computing closeness. This method uses the distance and membership degree of different index levels of spatial entities to measure the similarity of attributes. I...

  • Article
  • Open Access
7 Citations
6,342 Views
19 Pages

10 September 2016

Sustainability research faces many challenges as respective environmental, urban and regional contexts are experiencing rapid changes at an unprecedented spatial granularity level, which involves growing massive data and the need for spatial relation...

  • Article
  • Open Access
29 Citations
3,198 Views
22 Pages

19 September 2022

Combining disease categories and crop species leads to complex intra-class and inter-class differences. Significant intra-class difference and subtle inter-class difference pose a great challenge to high-precision crop disease classification tasks. T...

  • Article
  • Open Access
1 Citations
836 Views
18 Pages

7 August 2025

This study aimed at proposing a predictive model for real-time monitoring of epidemic dynamics at the municipal scale in Lombardy region, in northern Italy, leveraging Emergency Medical Services (EMS) dispatch data and Geographic Information Systems...

  • Article
  • Open Access
7 Citations
2,523 Views
22 Pages

22 April 2023

Knowledge discovery through spatial and temporal aspects of data related to occurrences of events has many applications in digital forensics. Specifically, in electronic surveillance, it is helpful to construct a timeline to analyze information. The...

  • Article
  • Open Access
2 Citations
2,212 Views
20 Pages

3 June 2023

The eco-environment is the basis for the political, economic and social development of any nation or group of nations, such as the Association of Southeast Asian Nations (ASEAN). There is an inseparable association between land cover change (LCC) and...

  • Article
  • Open Access
1,722 Views
25 Pages

Visualising Spatial Dispersion in Cultural Heritage Data

  • Laya Targa,
  • Esperanza Villuendas,
  • Cristina Portalés and
  • Jorge Sebastián

The digitisation of cultural heritage has transformed how GLAM (Galleries, Libraries, Archives and Museums) institutions manage and share collections. Digital catalogues are indispensable for documenting and granting public access to cultural assets....

  • Article
  • Open Access
16 Citations
4,897 Views
15 Pages

23 June 2019

This paper presents a method for the online determination of the spatial distribution of the moisture content in granular material. It might be essential for the monitoring and optimal control of, for example, drying processes. The proposed method ut...

  • Article
  • Open Access
2 Citations
3,539 Views
22 Pages

Predicting user activity intensity is crucial for various applications. However, existing studies have two main problems. First, as user activity intensity is nonstationary and nonlinear, traditional methods can hardly fit the nonlinear spatio-tempor...

  • Article
  • Open Access
2 Citations
1,433 Views
18 Pages

31 October 2023

Forests are a potentially carbon-negative energy source and function as carbon sinks. However, both of these functions have become threatened significantly by spruce bark beetle infestation in Czechia. This paper assesses how this ecological issue ma...

  • Article
  • Open Access
437 Views
21 Pages

Compressible Shallow Granular Flow over a Rough Plane

  • Jiangang Zhang,
  • Xiannan Meng,
  • Ping Sun and
  • Lei Zhao

5 December 2025

Most existing depth-averaged granular flow theories assume that dry, cohesionless granular materials are incompressible, with the void ratio among grains remaining spatially and temporally invariant. However, recent large-scale experiments showed tha...

  • Article
  • Open Access
12 Citations
5,494 Views
19 Pages

27 February 2017

This paper attempted to provide a method to calculate progressive failure of the cohesivefrictional granular geomaterial and the spatial distribution of the stability of the cohesive granular slope. The methodology can be divided into two parts: the...

  • Article
  • Open Access
17 Citations
6,418 Views
21 Pages

20 September 2022

In big data analysis, conventional clustering algorithms have limitations to deal with nonlinear spatial datasets, e.g., low accuracy and high computation cost. Aiming at these problems, this paper proposed a new DBSCAN extension algorithm for online...

  • Article
  • Open Access
2,595 Views
34 Pages

Granular Cities

  • Leon Esquierro and
  • Sergio Da Silva

This study extends the concept of granularity from firms to cities, examining how large cities influence national economic dynamics beyond their relative size. By applying Zipf’s law, which describes the power law distribution of city sizes, we...

  • Article
  • Open Access
2 Citations
1,258 Views
11 Pages

12 December 2023

The propagation of acceleration waves in dilute granular gases was investigated. Acceleration waves propagating in elastic gases, mixtures, and other materials are widely studied in the literature, but not in granular gases. A thirteen-moment theory...

  • Article
  • Open Access
3 Citations
2,025 Views
30 Pages

20 June 2022

The goal of spatial co-location pattern mining is to find subsets of spatial features whose instances are often neighbors in a geographical space. In many practical cases, instances of spatial features contain not only spatial location information bu...

  • Article
  • Open Access
1,394 Views
8 Pages

In granular media for perpendicular magnetic recording, zigzag-shaped magnetic domain boundaries form between magnetic grains isolated by a non-magnetic grain boundary phase. They are the main source of jitter noise caused by the position fluctuation...

  • Article
  • Open Access
2 Citations
2,294 Views
21 Pages

Multi-Granularity Aggregation with Spatiotemporal Consistency for Video-Based Person Re-Identification

  • Hean Sung Lee,
  • Minjung Kim,
  • Sungjun Jang,
  • Han Byeol Bae and
  • Sangyoun Lee

30 March 2024

Video-based person re-identification (ReID) aims to exploit relevant features from spatial and temporal knowledge. Widely used methods include the part- and attention-based approaches for suppressing irrelevant spatial–temporal features. Howeve...

  • Article
  • Open Access
1,003 Views
22 Pages

19 August 2025

The axle-box bearing is a critical load-bearing component in high-speed trains and is prone to failure under long-term heavy-duty operation, affecting both operational efficiency and safety. Current deep-learning-based fault diagnosis methods face tw...

  • Article
  • Open Access
7 Citations
3,942 Views
18 Pages

Spatio-Temporal Visualization Method for Urban Waterlogging Warning Based on Dynamic Grading

  • Jingyi Zhou,
  • Jie Shen,
  • Kaiyue Zang,
  • Xiao Shi,
  • Yixian Du and
  • Petr Šilhák

With the acceleration of the urbanization process, the problems caused by extreme weather such as heavy rainstorm events have become more and more serious. During such events, the road and its auxiliary facilities may be damaged in the process of the...

  • Article
  • Open Access
2 Citations
2,269 Views
17 Pages

A Numerical Measurement Method for Dynamic Granular Materials Based on Computer Vision

  • Hao Liu,
  • Yuxing Nie,
  • Man Chen,
  • Shunkai Liu and
  • Ashiru Mohammed

16 May 2022

Granular materials are widespread in nature and human production, and their macro-mechanical behavior is significantly affected by granule movement. The development of computer vision has brought some new ideas for measuring the numerical information...

  • Article
  • Open Access
12 Citations
8,897 Views
21 Pages

This paper presents a methodology to estimate the multidimensional poverty index using spatial data at the street block level. The data used in this study were obtained from Open Street Maps and ESA’s land use cover, which are freely available...

  • Article
  • Open Access
2,304 Views
15 Pages

Granular Flow–Obstacle Interaction and Granular Dam Break Using the S-H Model with the TVD-MacCormack Scheme

  • Hao Zhou,
  • Mingsheng Wang,
  • Shucai Li,
  • Zhenxing Cao,
  • Anjia Peng,
  • Guang Huang,
  • Liqiang Cao and
  • Jianbo Fei

17 May 2022

An accurate second-order spatial and temporal finite-difference scheme is applied to solve the dynamics model of a depth-averaged avalanche. Within the framework of the MacCormack scheme, a total variation diminishing term supplements the corrector s...

  • Article
  • Open Access
17 Citations
4,032 Views
17 Pages

5 July 2019

Generation of particles with irregular shape and the overlap detection are crucial for numerical simulation of granular materials. This paper presents a systematic approach to develop a two-dimensional random particle model for numerical simulation o...

  • Article
  • Open Access
1 Citations
720 Views
19 Pages

Multi-Granularity Content-Aware Network with Semantic Integration for Unsupervised Anomaly Detection

  • Xinyu Guo,
  • Shihui Zhao,
  • Jianbin Xue,
  • Dongdong Liu,
  • Xinyang Han,
  • Shuai Zhang and
  • Yufeng Zhang

6 November 2025

Unsupervised anomaly detection has been widely applied to industrial scenarios. Recently, transformer-based methods have also been developed and have produced good performance. Although the global dependencies in anomaly images are considered, the ty...

  • Article
  • Open Access
29 Citations
3,625 Views
21 Pages

Ecological Risk Assessment and Prediction Based on Scale Optimization—A Case Study of Nanning, a Landscape Garden City in China

  • Jianjun Chen,
  • Yanping Yang,
  • Zihao Feng,
  • Renjie Huang,
  • Guoqing Zhou,
  • Haotian You and
  • Xiaowen Han

26 February 2023

Analysis and prediction of urban ecological risk are crucial means for resolving the dichotomy between ecological preservation and economic development, thereby enhancing regional ecological security and fostering sustainable development. This study...

  • Article
  • Open Access
2,979 Views
18 Pages

The continuous nature of space and time is a fundamental tenet of many scientific endeavors. That digital representation imposes granularity is well recognized, but whether it is possible to address space completely remains unanswered. This paper arg...

  • Article
  • Open Access
5 Citations
3,232 Views
20 Pages

19 December 2024

Traffic flow forecasting is integral to transportation to avoid traffic accidents and congestion. Due to the heterogeneous and nonlinear nature of the data, traffic flow prediction is facing challenges. Existing models only utilize plain historical d...

  • Article
  • Open Access
1,647 Views
19 Pages

10 April 2025

The spatial equality of urban public services and their accessibility are a crucial aspect of urban sustainability. However, there is currently a lack of a composite proxy that can effectively assess public service equality with fine granularity. To...

  • Article
  • Open Access
3 Citations
2,392 Views
20 Pages

4 October 2024

The advancement of deep learning techniques has significantly propelled the development of the continuous sign language recognition (cSLR) task. However, the spatial feature extraction of sign language videos in the RGB space tends to focus on the ov...

  • Article
  • Open Access
2 Citations
1,536 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...

  • Article
  • Open Access
4 Citations
4,074 Views
11 Pages

Demonstration of an SDM Network Testbed for Joint Spatial Circuit and Packet Switching

  • Ruben S. Luis,
  • Hideaki Furukawa,
  • Georg Rademacher,
  • Benjamin J. Puttnam and
  • Naoya Wada

We demonstrate a spatial division multiplexing (SDM) network testbed composed of three nodes connected via 19-core multi-core fibers. Each node is capable of joint spatial circuit switching and joint packet switching to support 10 Tb/s spatial circui...

  • Article
  • Open Access
10 Citations
2,846 Views
26 Pages

Decoding Rocks: An Assessment of Geomaterial Microstructure Using X-ray Microtomography, Image Analysis and Multivariate Statistics

  • Piotr Jan Strzelecki,
  • Anna Świerczewska,
  • Katarzyna Kopczewska,
  • Adam Fheed,
  • Jacek Tarasiuk and
  • Sebastian Wroński

13 June 2021

An understanding of the microstructure of geomaterials such as rocks is fundamental in the evaluation of their functional properties, as well as the decryption of their geological history. We present a semi-automated statistical protocol for a comple...

  • Article
  • Open Access
27 Citations
4,585 Views
21 Pages

Fuzzy Time Series Methods Applied to (In)Direct Short-Term Photovoltaic Power Forecasting

  • Vanessa María Serrano Ardila,
  • Joylan Nunes Maciel,
  • Jorge Javier Gimenez Ledesma and
  • Oswaldo Hideo Ando Junior

24 January 2022

Solar photovoltaic energy has experienced significant growth in the last decade, as well as the challenges related to the intermittency of power generation inherent to this process. In this paper we propose to perform short-term forecasting of solar...

  • Article
  • Open Access
1,816 Views
21 Pages

A Welding Defect Detection Model Based on Hybrid-Enhanced Multi-Granularity Spatiotemporal Representation Learning

  • Chenbo Shi,
  • Shaojia Yan,
  • Lei Wang,
  • Changsheng Zhu,
  • Yue Yu,
  • Xiangteng Zang,
  • Aiping Liu,
  • Chun Zhang and
  • Xiaobing Feng

27 July 2025

Real-time quality monitoring using molten pool images is a critical focus in researching high-quality, intelligent automated welding. To address interference problems in molten pool images under complex welding scenarios (e.g., reflected laser spots...

  • Article
  • Open Access
23 Citations
4,590 Views
20 Pages

Degradation of Rhodamine B in Wastewater by Iron-Loaded Attapulgite Particle Heterogeneous Fenton Catalyst

  • Peiguo Zhou,
  • Zongbiao Dai,
  • Tianyu Lu,
  • Xin Ru,
  • Meshack Appiah Ofori,
  • Wenjing Yang,
  • Jiaxin Hou and
  • Hui Jin

19 June 2022

The water pollution caused by industry emissions makes effluent treatment a serious matter that needs to be settled. Heterogeneous Fenton oxidation has been recognized as an effective means to degrade pollutants in water. Attapulgite can be used as a...

  • Article
  • Open Access
21 Citations
7,180 Views
11 Pages

4 March 2015

Slides generating impulse waves are currently generated using either block models or free granular material impacting a water body. These procedures were mainly developed to study plane impulse waves, i.e., wave generation in a rectangular channel. T...

  • Article
  • Open Access
30 Citations
7,373 Views
20 Pages

Spatial Information Gaps on Deprived Urban Areas (Slums) in Low-and-Middle-Income-Countries: A User-Centered Approach

  • Monika Kuffer,
  • Jon Wang,
  • Dana R. Thomson,
  • Stefanos Georganos,
  • Angela Abascal,
  • Maxwell Owusu and
  • Sabine Vanhuysse

26 September 2021

Routine and accurate data on deprivation are needed for urban planning and decision support at various scales (i.e., from community to international). However, analyzing information requirements of diverse users on urban deprivation, we found that da...

  • Article
  • Open Access
3 Citations
3,877 Views
22 Pages

10 September 2024

The impact of sporting events on local economies and their spatial distribution is a topic of active policy debate. This study adds to the discussion by examining granular cellphone location data to assess the spillover effects of Major League Baseba...

  • Article
  • Open Access
10 Citations
4,358 Views
20 Pages

7 July 2021

The inhomogeneous distribution of contact force chains (CFC) in quasi-statically sheared granular materials dominates their bulk mechanical properties. Although previous micromechanical investigations have gained significant insights into the statist...

  • Article
  • Open Access
2 Citations
2,481 Views
18 Pages

Evaluation of the Installation Effect on the Performance of a Granular Column

  • Firas Ghrairi,
  • Arash Alimardani Lavasan and
  • Torsten Wichtmann

The procedure of granular column installation impacts soil properties such as stress state, stiffness, and permeability in the near-field of the column. For an accurate and efficient design of relatively costly geostructures on improved subsoil with...

  • Article
  • Open Access
3 Citations
2,885 Views
18 Pages

16 June 2023

Intelligent devices, which significantly improve the quality of life and work efficiency, are now widely integrated into people’s daily lives and work. A precise understanding and analysis of human motion is essential for achieving harmonious c...

  • Article
  • Open Access
1 Citations
1,357 Views
24 Pages

17 October 2024

In the field of hyperspectral image classification, deep learning technology, especially convolutional neural networks, has achieved remarkable progress. However, convolutional neural network models encounter challenges in hyperspectral image classif...

  • Review
  • Open Access
60 Citations
8,542 Views
15 Pages

Spatial accessibility provides significant policy implications, describing the spatial disparity of access and supporting the decision-making process for placing additional infrastructure at adequate locations. Several previous reviews have covered s...

  • Article
  • Open Access
2,143 Views
18 Pages

A Geospatial Framework of Food Demand Mapping

  • Valentas Gruzauskas,
  • Aurelija Burinskiene,
  • Artur Airapetian and
  • Neringa Urbonaitė

31 July 2024

Spatial mapping of food demand is essential for understanding and addressing disparities in food accessibility, which significantly impact public health and nutrition. This research presents an innovative geospatial framework designed to map food dem...

  • Article
  • Open Access
12 Citations
15,401 Views
19 Pages

Data Driven Performance Evaluation of Wireless Sensor Networks

  • Alejandro C. Frery,
  • Heitor S. Ramos,
  • José Alencar-Neto,
  • Eduardo Nakamura and
  • Antonio A. F. Loureiro

16 March 2010

Wireless Sensor Networks are presented as devices for signal sampling and reconstruction. Within this framework, the qualitative and quantitative influence of (i) signal granularity, (ii) spatial distribution of sensors, (iii) sensors clustering, and...

  • Article
  • Open Access
1 Citations
2,050 Views
20 Pages

24 July 2024

Surface treatment processes such as mass finishing play a crucial role in enhancing the quality of machined parts across industries. However, accurate measurement of the velocity field of granular media in mass finishing presents significant challeng...

of 7