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1,098 Results Found

  • Article
  • Open Access
11 Citations
3,229 Views
18 Pages

Combining Parallel Computing and Biased Randomization for Solving the Team Orienteering Problem in Real-Time

  • Javier Panadero,
  • Majsa Ammouriova,
  • Angel A. Juan,
  • Alba Agustin,
  • Maria Nogal and
  • Carles Serrat

19 December 2021

In smart cities, unmanned aerial vehicles and self-driving vehicles are gaining increased concern. These vehicles might utilize ultra-reliable telecommunication systems, Internet-based technologies, and navigation satellite services to locate their c...

  • Article
  • Open Access
3 Citations
2,219 Views
19 Pages

The accuracy of line-of-sight (LOS)-based indoor visible light positioning (VLP) depends directly on the accuracy of the received LOS power. In an actual indoor visible light communication (VLC) system, the total received power contains the LOS power...

  • Article
  • Open Access
9 Citations
5,565 Views
23 Pages

6 November 2014

Future wireless sensor networks are expected to provide various sensing services and energy efficiency is one of the most important criterions. The node scheduling strategy aims to increase network lifetime by selecting a set of sensor nodes to pro...

  • Article
  • Open Access
11 Citations
2,832 Views
14 Pages

30 January 2023

In this study, the uniaxial compression of random orientation ZK60 Mg alloy to different strains was performed at room temperature. The microstructure evolution was characterized mainly using electron backscattered diffraction (EBSD), and the mechani...

  • Article
  • Open Access
27 Citations
5,929 Views
21 Pages

2 October 2019

Despite increasing efforts in the mapping of landslides using Sentinel-1 and -2, research on their combination for discerning historical landslides in forest areas is still lacking, particularly using object-oriented machine learning approaches. This...

  • Article
  • Open Access
82 Citations
6,600 Views
17 Pages

11 August 2022

Timely and accurate information on the spatial distribution of urban trees is critical for sustainable urban development, management and planning. Compared with satellite-based remote sensing, Unmanned Aerial Vehicle (UAV) remote sensing has a higher...

  • Review
  • Open Access
48 Citations
5,305 Views
32 Pages

Topographical and Biomechanical Guidance of Electrospun Fibers for Biomedical Applications

  • Sara Ferraris,
  • Silvia Spriano,
  • Alessandro Calogero Scalia,
  • Andrea Cochis,
  • Lia Rimondini,
  • Iriczalli Cruz-Maya,
  • Vincenzo Guarino,
  • Alessio Varesano and
  • Claudia Vineis

3 December 2020

Electrospinning is gaining increasing interest in the biomedical field as an eco-friendly and economic technique for production of random and oriented polymeric fibers. The aim of this review was to give an overview of electrospinning potentialities...

  • Article
  • Open Access
13 Citations
5,871 Views
14 Pages

22 November 2016

Inspired by the overwhelming success of Histogram of Oriented Gradients (HOG) features in many vision tasks, in this paper, we present an innovative compact feature descriptor called fuzzy Histogram of Oriented Lines (f-HOL) for action recognition, w...

  • Communication
  • Open Access
10 Citations
3,894 Views
15 Pages

The orientation of antibodies, employed as capture molecules on biosensors, determines biorecognition efficiency and bioassay performance. In a previous publication we demonstrated for antibodies attached covalently to silicon that an increase in the...

  • Article
  • Open Access
2 Citations
2,976 Views
18 Pages

1 January 2021

The current paper is aimed to investigate the effects of waviness, random orientation, and agglomeration factor of nanoreinforcements on wave propagation in fluid-conveying multi-walled carbon nanotubes (MWCNTs)-reinforced nanocomposite cylindrical s...

  • Article
  • Open Access
2,670 Views
20 Pages

A Weighted and Epsilon-Constraint Biased-Randomized Algorithm for the Biobjective TOP with Prioritized Nodes

  • Lucia Agud-Albesa,
  • Neus Garrido,
  • Angel A. Juan,
  • Almudena Llorens and
  • Sandra Oltra-Crespo

This paper addresses a multiobjective version of the Team Orienteering Problem (TOP). The TOP focuses on selecting a subset of customers for maximum rewards while considering time and fleet size constraints. This study extends the TOP by considering...

  • Article
  • Open Access
2 Citations
1,905 Views
21 Pages

Optimizing Maintenance of Energy Supply Systems in City Logistics with Heuristics and Reinforcement Learning

  • Antoni Guerrero,
  • Angel A. Juan,
  • Alvaro Garcia-Sanchez and
  • Luis Pita-Romero

7 October 2024

In urban logistics, effective maintenance is crucial for maintaining the reliability and efficiency of energy supply systems, impacting both asset performance and operational stability. This paper addresses the scheduling and routing plans for mainte...

  • Article
  • Open Access
32 Citations
5,798 Views
22 Pages

Object-Oriented Crop Classification Using Time Series Sentinel Images from Google Earth Engine

  • Hanyu Xue,
  • Xingang Xu,
  • Qingzhen Zhu,
  • Guijun Yang,
  • Huiling Long,
  • Heli Li,
  • Xiaodong Yang,
  • Jianmin Zhang,
  • Yongan Yang and
  • Sizhe Xu
  • + 2 authors

28 February 2023

The resulting maps of land use classification obtained by pixel-based methods often have salt-and-pepper noise, which usually shows a certain degree of cluttered distribution of classification image elements within the region. This paper carries out...

  • Article
  • Open Access
15 Citations
5,332 Views
14 Pages

8 July 2022

Sustainable urban growth advocates the implementation of transit-oriented development (TOD) to optimize urban spatial structure. The bilateral planning concept of TOD emphasizes the importance of discovering areas with existing TOD features but poor...

  • Article
  • Open Access
183 Citations
14,270 Views
14 Pages

16 November 2016

The wetland classification from remotely sensed data is usually difficult due to the extensive seasonal vegetation dynamics and hydrological fluctuation. This study presents a random forest classification approach for the retrieval of the wetland lan...

  • Article
  • Open Access
12 Citations
3,119 Views
20 Pages

14 January 2022

Coastal reclamation in Guangdong Province is highly concentrated and is growing rapidly. However, intensive reclamation use has resulted in serious influence on the coastal ecosystem, directly and indirectly. The current conditions and spatial distri...

  • Article
  • Open Access
5 Citations
2,062 Views
20 Pages

Optimal Scale Selection and an Object-Oriented Method Used for Measuring and Monitoring the Extent of Land Desertification

  • Junliang Han,
  • Liusheng Han,
  • Guangwei Sun,
  • Haoxiang Mu,
  • Zhiyi Zhang,
  • Xiangyu Wang and
  • Shengshuai Wang

23 March 2023

Desertification has become a major problem in the field, affecting both the global ecological environment and economy. The effective monitoring of desertified land is an important prerequisite for land desertification protection and governance. With...

  • Article
  • Open Access
30 Citations
6,222 Views
17 Pages

Classification of Cyber-Aggression Cases Applying Machine Learning

  • Guadalupe Obdulia Gutiérrez-Esparza,
  • Maite Vallejo-Allende and
  • José Hernández-Torruco

2 May 2019

The adoption of electronic social networks as an essential way of communication has become one of the most dangerous methods to hurt people’s feelings. The Internet and the proliferation of this kind of virtual community have caused severe nega...

  • Article
  • Open Access
5 Citations
2,802 Views
25 Pages

The Stochastic Team Orienteering Problem with Position-Dependent Rewards

  • Javier Panadero,
  • Eva Barrena,
  • Angel A. Juan and
  • David Canca

10 August 2022

In this paper, we analyze both the deterministic and stochastic versions of a team orienteering problem (TOP) in which rewards from customers are dynamic. The typical goal of the TOP is to select a set of customers to visit in order to maximize the t...

  • Article
  • Open Access
11 Citations
2,782 Views
16 Pages

10 November 2022

The differentiation in the urbanization level’s impact on the supply–demand budgets of ecosystem services (ESs) from the perspective of the major function-oriented areas is of great significance for formulating sustainable development str...

  • Article
  • Open Access
9 Citations
7,875 Views
16 Pages

The Non-Smooth and Bi-Objective Team Orienteering Problem with Soft Constraints

  • Alejandro Estrada-Moreno,
  • Albert Ferrer,
  • Angel A. Juan,
  • Javier Panadero and
  • Adil Bagirov

1 September 2020

In the classical team orienteering problem (TOP), a fixed fleet of vehicles is employed, each of them with a limited driving range. The manager has to decide about the subset of customers to visit, as well as the visiting order (routes). Each custome...

  • Article
  • Open Access
2 Citations
2,683 Views
20 Pages

14 July 2021

In this paper, the lattice Boltzmann–cellular automata (LBM-CA) model with dynamic and static grids was used to study the growth of three-dimensional (3D) multidendrites under directional solidification with random preferred angles. In the static gri...

  • Article
  • Open Access
7 Citations
2,437 Views
23 Pages

Identification and Monitoring of Irrigated Areas in Arid Areas Based on Sentinel-2 Time-Series Data and a Machine Learning Algorithm

  • Lixiran Yu,
  • Hong Xie,
  • Yan Xu,
  • Qiao Li,
  • Youwei Jiang,
  • Hongfei Tao and
  • Mahemujiang Aihemaiti

27 September 2024

Accurate monitoring of irrigation areas is of great significance to ensure national food security and rational utilization of water resources. The low resolution of the Moderate Resolution Imaging Spectroradiometer and Landsat data makes the monitori...

  • Article
  • Open Access
4 Citations
2,329 Views
22 Pages

Object-Oriented Remote Sensing Image Change Detection Based on Color Co-Occurrence Matrix

  • Zhu Zhu,
  • Tinggang Zhou,
  • Jinsong Chen,
  • Xiaoli Li,
  • Shanxin Guo,
  • Longlong Zhao and
  • Luyi Sun

1 June 2023

Aiming at the problem of misdetection caused by the traditional texture characteristic extraction model, which does not describe the correlation among multiple bands, an object-oriented remote sensing image change detection method based on a color co...

  • Article
  • Open Access
2 Citations
1,766 Views
18 Pages

An Open-Pit Mines Land Use Classification Method Based on Random Forest Using UAV: A Case Study of a Ceramic Clay Mine

  • Yuanrong He,
  • Yangfeng Lai,
  • Bingning Chen,
  • Yuhang Chen,
  • Zhiying Xie,
  • Xiaolin Yu and
  • Min Luo

17 December 2024

Timely and accurate land use information in open-pit mines is essential for environmental monitoring, ecological restoration planning, and promoting sustainable progress in mining regions. This study used high-resolution unmanned aerial vehicle (UAV)...

  • Article
  • Open Access
4 Citations
1,550 Views
20 Pages

Artificial Neural Networks for Determining the Empirical Relationship between Meteorological Parameters and High-Level Cloud Characteristics

  • Olesia Kuchinskaia,
  • Maxim Penzin,
  • Iurii Bordulev,
  • Vadim Kostyukhin,
  • Ilia Bryukhanov,
  • Evgeny Ni,
  • Anton Doroshkevich,
  • Ivan Zhivotenyuk,
  • Sergei Volkov and
  • Ignatii Samokhvalov

22 February 2024

The special features of the applicability of artificial neural networks to the task of identifying relationships between meteorological parameters of the atmosphere and optical and geometric characteristics of high-level clouds (HLCs) containing ice...

  • Article
  • Open Access
1 Citations
1,857 Views
15 Pages

Heterogeneities in Farmers’ Preference for Advisory Services: A Choice Experiment of Vegetable Growers in North-Western Ethiopia

  • Ermias Tesfaye Teferi,
  • Tigist Damtew Worku,
  • Solomon Bizuayehu Wassie,
  • Bernd Muller,
  • Abdul-Rahim Abdulai and
  • Céline Termote

10 December 2024

This study investigated vegetable farmers’ willingness-to-pay (WTP) for private agricultural advisory services in northwestern Ethiopia. Understanding farmers’ preferences is a crucial step for modernizing agricultural advisory services a...

  • Article
  • Open Access
935 Views
33 Pages

13 October 2025

While prior studies on LULC change in the Ewa region of O’ahu Hawai’i have explored the policy implications and the rapid infrastructure changes on land use, very few studies have attempted to fully integrate both of these changes in a co...

  • Article
  • Open Access
914 Views
34 Pages

Line-of-Sight Probability Analysis of Underground Mining Visible Light Communication Diversity Schemes Under Random Receiver Orientation

  • Julián Solís,
  • Iván Sánchez,
  • Cesar Azurdia-Meza,
  • Pablo Palacios Játiva,
  • David Zabala-Blanco and
  • Ali Dehghan Firoozabadi

3 May 2025

Visiblelightcommunication (VLC) is an emerging technology that offers an alternative to traditional wireless communications systems. However, the technology presents limitations related to the impact of the receiver’s orientation, which can sig...

  • Article
  • Open Access
41 Citations
3,803 Views
18 Pages

13 May 2021

When the use of optical images is not practical due to cloud cover, Synthetic Aperture Radar (SAR) imagery is a preferred alternative for monitoring coastal wetlands because it is unaffected by weather conditions. Polarimetric SAR (PolSAR) enables th...

  • Article
  • Open Access
21 Citations
4,403 Views
25 Pages

Multiscale Modeling for Application-Oriented Optimization of Resistive Random-Access Memory

  • Paolo La Torraca,
  • Francesco Maria Puglisi,
  • Andrea Padovani and
  • Luca Larcher

23 October 2019

Memristor-based neuromorphic systems have been proposed as a promising alternative to von Neumann computing architectures, which are currently challenged by the ever-increasing computational power required by modern artificial intelligence (AI) algor...

  • Communication
  • Open Access
1 Citations
2,129 Views
10 Pages

For dynamic analysis in seismic design, selection of input ground motions is of huge importance. In the presented scheme, complex Continuous Wavelet Transform (CWT) is utilized to simulate stochastic ground motions from historical records of earthqua...

  • Article
  • Open Access
11 Citations
3,318 Views
9 Pages

26 December 2019

Manipulation of the performance of the random lasers from dye-doped nematic liquid crystals with TiN nanoparticles in non-oriented cells is studied. The experimental results show that the introduction of TiN nanoparticles into dye-doped nematic liqui...

  • Article
  • Open Access
10 Citations
3,993 Views
21 Pages

Unmanned aerial vehicles (UAVs) do not collide with obstacles, generate a path in real-time, and must fly to the target point. The sampling-based rapidly exploring random tree (RRT) algorithm has the advantages of fast computation and low computation...

  • Article
  • Open Access
17 Citations
6,058 Views
18 Pages

21 May 2023

This paper proposes a random tree algorithm based on a potential field oriented greedy strategy for the path planning of unmanned aerial vehicles (UAVs). Potential-field-RRT (PF-RRT) discards the defect of traditional artificial potential field (APF)...

  • Systematic Review
  • Open Access
789 Views
15 Pages

11 December 2025

Background/Objectives: Task-oriented training (TOT) is a functional, goal-directed rehabilitation approach that promotes motor recovery after stroke through repetitive, task-specific practice; however, its overall effects on gait and balance in strok...

  • Article
  • Open Access
7 Citations
4,736 Views
12 Pages

4 December 2023

In many patients with stroke, trunk stabilization and balance are decreased. Trunk stabilization and balance are important to perform posture control and functional movement. This study investigates the effects of task-orientated training with the ab...

  • Article
  • Open Access
7 Citations
2,791 Views
16 Pages

Using Reinforcement Learning to Solve a Dynamic Orienteering Problem with Random Rewards Affected by the Battery Status

  • Angel A. Juan,
  • Carolina A. Marugan,
  • Yusef Ahsini,
  • Rafael Fornes,
  • Javier Panadero and
  • Xabier A. Martin

This paper discusses an orienteering optimization problem where a vehicle using electric batteries must travel from an origin depot to a destination depot while maximizing the total reward collected along its route. The vehicle must cross several con...

  • Article
  • Open Access
6 Citations
2,866 Views
15 Pages

13 March 2020

Nowadays, various computing services are often hosted on cloud platforms for their availability and cost effectiveness. However, such services are frequently exposed to vulnerabilities. Therefore, many countermeasures have been invented to defend aga...

  • Article
  • Open Access
5 Citations
3,237 Views
14 Pages

Effect of Midwife-Provided Orientation of Birth Companions on Maternal Anxiety and Coping during Labor: A Stepped Wedge Cluster Randomized Control Trial in Eastern Uganda

  • Eva Wodeya Wanyenze,
  • Gorrette K. Nalwadda,
  • Josaphat K. Byamugisha,
  • Patience A. Muwanguzi and
  • Nazarius Mbona Tumwesigye

The study aimed to assess the effect of midwife-provided orientation of birth companions on maternal anxiety and coping during labor. A stepped wedge cluster randomized trial design was conducted among 475 participants (control n = 240), intervention...

  • Systematic Review
  • Open Access
12 Citations
9,447 Views
13 Pages

20 December 2021

Non-pharmacological intervention, which includes a broad range of approaches, may be an alternative treatment for Alzheimer’s disease (AD). Multimodal non-pharmacological intervention alleviates cognitive dysfunction and the impairment of activ...

  • Article
  • Open Access
30 Citations
4,450 Views
15 Pages

A Recovery-Oriented Program for People with Bipolar Disorder through Virtual Reality-Based Cognitive Remediation: Results of a Feasibility Randomized Clinical Trial

  • Alessandra Perra,
  • Alessia Galetti,
  • Rosanna Zaccheddu,
  • Aurora Locci,
  • Federica Piludu,
  • Antonio Preti,
  • Diego Primavera,
  • Lorenzo Di Natale,
  • Antonio Egidio Nardi and
  • Peter Konstantin Kurotshka
  • + 6 authors

9 March 2023

Background: Cognitive impairment is a frequent consequence of bipolar disorder (BD) that is difficult to prevent and treat. In addition, the quality of the preliminary evidence on the treatment of BD through Cognitive Remediation (CR) with traditiona...

  • Article
  • Open Access
1 Citations
1,544 Views
22 Pages

Single-Shot, Monochrome, Spatial Pixel-Encoded, Structured Light System for Determining Surface Orientations

  • Ahsan Elahi,
  • Qidan Zhu,
  • Jun Lu,
  • Umer Farooq,
  • Ghulam Farid,
  • Muhammad Bilal and
  • Yong Li

7 November 2024

This study introduces a technique for determining surface orientations by projecting a monochrome, spatial pixel-encoded pattern and calculating the surface normals from single-shot measurement. Our method differs from traditional methods, such as sh...

  • Article
  • Open Access
5 Citations
2,525 Views
19 Pages

A Sim-Learnheuristic for the Team Orienteering Problem: Applications to Unmanned Aerial Vehicles

  • Mohammad Peyman,
  • Xabier A. Martin,
  • Javier Panadero and
  • Angel A. Juan

8 May 2024

In this paper, we introduce a novel sim-learnheuristic method designed to address the team orienteering problem (TOP) with a particular focus on its application in the context of unmanned aerial vehicles (UAVs). Unlike most prior research, which prim...

  • Article
  • Open Access
29 Citations
5,127 Views
17 Pages

Extracting Knowledge from Big Data for Sustainability: A Comparison of Machine Learning Techniques

  • Raghu Garg,
  • Himanshu Aggarwal,
  • Piera Centobelli and
  • Roberto Cerchione

25 November 2019

At present, due to the unavailability of natural resources, society should take the maximum advantage of data, information, and knowledge to achieve sustainability goals. In today’s world condition, the existence of humans is not possible witho...

  • Article
  • Open Access
1,214 Views
23 Pages

Precision Identification of Irrigated Areas in Semi-Arid Regions Using Optical-Radar Time-Series Features and Ensemble Machine Learning

  • Weifeng Li,
  • Changlai Xiao,
  • Xiujuan Liang,
  • Weifei Yang,
  • Jiang Zhang,
  • Rongkun Dai,
  • Yuhan La,
  • Le Kang and
  • Deyu Zhao

14 August 2025

Addressing limitations in remote sensing irrigation monitoring (insufficient resolution, single-source constraints, poor terrain adaptability), this study developed a high-precision identification framework for Jianping County, China, a semi-arid reg...

  • Article
  • Open Access
16 Citations
5,098 Views
11 Pages

20 October 2017

The addition of short fibers has been experimentally observed to slow the stress relaxation of viscoelastic polymers, producing a change in the relaxation time constant. Our recent study attributed this effect of fibers on stress relaxation behavior...

  • Article
  • Open Access
8 Citations
3,939 Views
15 Pages

20 November 2018

This paper is devoted to determination of elastic properties of composite constituents by using an inverse identification procedure. The aim of the developed identification procedure is to compute the elastic constants of individual material phases o...

  • Article
  • Open Access
115 Citations
13,524 Views
20 Pages

11 June 2021

With the general objective of producing a 2018–2020 Land Use/Land Cover (LULC) map of the Maiella National Park (central Italy), useful for a future long-term LULC change analysis, this research aimed to develop a Landsat 8 (L8) data composition and...

  • Article
  • Open Access
7 Citations
3,179 Views
15 Pages

Economic Valuation of Northern White-Breasted Hedgehog Conservation

  • Vasileios J. Kontsiotis,
  • Despina Chrysopoulou,
  • Parthena Chrysopoulou and
  • Vasilios Liordos

27 March 2023

The northern white-breasted hedgehog (Erinaceus roumanicus) is a charismatic insectivore mammal threatened by habitat loss, the use of biocides, and collisions with vehicles. We aimed at valorizing hedgehog conservation through the contingent valuati...

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