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5,405 Results Found

  • Article
  • Open Access
1 Citations
1,099 Views
28 Pages

22 August 2025

As a crucial modeling tool for stochastic financial markets, the Lévy risk model effectively characterizes the evolution of risks during enterprise operations. Through dynamic evaluation and quantitative analysis of risk indicators under speci...

  • Article
  • Open Access
1 Citations
782 Views
25 Pages

9 February 2026

To address the issues of detail loss and unstable segmentation quality in image segmentation, this paper proposes a multi-strategy improved dung beetle optimization algorithm be applied to multi-threshold image segmentation. Thus, we have developed a...

  • Article
  • Open Access
20 Citations
7,498 Views
33 Pages

14 December 2023

With increasing global attention to climate change and environmental sustainability, the sustainable development of the automotive industry has become an important issue. This study focuses on the regenerative braking issues in pure electric vehicles...

  • Article
  • Open Access
6 Citations
1,634 Views
38 Pages

Improved Informed RRT*: Based on Dynamic Shrinkage Threshold Node Selection Mechanism and Adaptive Goal-Biased Strategy

  • Suna Zhao,
  • Peijun Han,
  • Zhihua Diao,
  • Zhendong He,
  • Xingyi Li,
  • Taishan Lou and
  • Liying Jiang

This study presents an improved Informed RRT* algorithm integrating a dynamic shrinkage threshold node selection mechanism with an adaptive goal-biased strategy, aimed at reducing computational iterations and accelerating convergence performance. To...

  • Article
  • Open Access
658 Views
17 Pages

3 February 2026

The strength of a GPS carrier-to-noise ratio (CNR) signal is closely influenced by the multipath effect. This effect becomes more pronounced during flood events, as the reflection coefficient of water is significantly higher than that of dry soil. Co...

  • Article
  • Open Access
21 Citations
3,823 Views
19 Pages

3 September 2018

The absolute ruin insurance risk model is modified by including some valuable market economic information factors, such as credit interest, debit interest and dividend payments. Such information is especially important for insurance companies to cont...

  • Article
  • Open Access
9 Citations
3,193 Views
12 Pages

26 August 2021

Considering the problems of the low energy recovery efficiency and the short driving range of pure electric vehicles, a new electromechanical–hydraulic coupled power electric vehicle is proposed. First, we develop an electromechanical–hydraulic coupl...

  • Article
  • Open Access
16 Citations
1,996 Views
36 Pages

27 June 2025

Hybrid metaheuristic algorithms have been widely used to solve global optimization problems, making the concept of hybridization increasingly important. This study proposes a new hybrid multi-strategy metaheuristic algorithm named COSGO, which combin...

(This article belongs to the Topic Color Image Processing: Models and Methods (CIP: MM))
  • Article
  • Open Access
34 Citations
9,063 Views
18 Pages

31 March 2016

Recuperation of braking energy offers great potential for reducing energy consumption in urban rail transit systems. The present paper develops a new control strategy with variable threshold for wayside energy storage systems (ESSs), which uses the s...

(This article belongs to the Special Issue Control of Energy Storage)
  • Article
  • Open Access
4,058 Views
18 Pages

14 December 2023

This study delves into the rapidly evolving community group-buying model, specifically focusing on the determination of optimal group-buying thresholds and pricing strategies for merchants. Aiming to bridge the gap in the existing literature, the met...

  • Article
  • Open Access
1 Citations
460 Views
15 Pages

A Dynamic Threshold Adjustment-Based Low-Switching-Frequency Voltage Equalization Strategy for MMC

  • Xinxin Chen,
  • Yanjun Ma,
  • Duanjiao Li,
  • Wenxing Sun,
  • Junjun Zhang,
  • Dejun Ba,
  • Lijun Hang and
  • Xiaofeng Lyu

30 May 2026

This paper addresses the capacitor voltage balancing issue of submodules (SMs) in Modular Multilevel Converters (MMCs) operating under low switching frequencies by proposing a voltage balancing control strategy based on dynamic threshold adjustment....

(This article belongs to the Special Issue Advancements in Optimization and Control Algorithms for Intelligent Electric Power Systems)
  • Article
  • Open Access
1,175 Views
19 Pages

Fixed-Time Formation Control for MAV/UAVs with Switching Threshold Event-Triggered Strategy

  • Xueyan Han,
  • Maolong Lv,
  • Di Shen,
  • Yuyuan Shi,
  • Boyang Zhang and
  • Peng Yu

14 October 2025

The cooperative flight of manned and unmanned aerial vehicles (MAV/UAVs) has recently become a focus in the research of civilian and humanitarian fields, in which formation control is crucial. This paper takes the improvement of convergence performan...

  • Article
  • Open Access
1,291 Views
24 Pages

4 August 2025

Meta-heuristic algorithms are the dominant techniques for parameter estimating for solar photovoltaic (PV) models. Current algorithms are primarily designed with a focus on search performance and convergence speed, but they fail to account for the si...

  • Article
  • Open Access
4 Citations
3,537 Views
19 Pages

The rapid development of mobile communications and the continuous growth of service needs lead to an increase in the number of base stations (BSs). Through virtualization and cloud technology, virtual Baseband Units (BBUs) are deployed on a virtual m...

(This article belongs to the Section Microwave and Wireless Communications)
  • Article
  • Open Access
20 Citations
5,542 Views
27 Pages

17 December 2018

Pixel value ordering (PVO) hiding scheme is a kind of data embedding technique that hides a secret message in the difference of the largest and second largest pixels of a block. After that, the scholars improved PVO scheme by using a threshold to det...

(This article belongs to the Special Issue Information Technology and Its Applications 2021)
  • Article
  • Open Access
5 Citations
1,241 Views
36 Pages

This study proposes a Hybrid Strategy Improved Dingo Optimization Algorithm (HSIDOA), designed to address the limitations of the standard DOA in complex optimization tasks, including its tendency to fall into local optima, slow convergence speed, and...

(This article belongs to the Section Development of Biomimetic Methodology)
  • Article
  • Open Access
8 Citations
2,884 Views
27 Pages

Battery-powered automatic guided vehicles (B-AGVs) serve as crucial horizontal transportation equipment in terminals and significantly impact the terminal transportation efficiency. Imbalanced B-AGV availability during terminal peak and off-peak peri...

(This article belongs to the Section Ocean Engineering)
  • Article
  • Open Access
30 Citations
4,113 Views
21 Pages

18 July 2020

Region of interest (ROI) localization is one of the key preprocessing technologies for a finger-vein identification system, so an effective ROI definition can improve the matching accuracy. However, due to the impact of uneven illumination, equipment...

(This article belongs to the Section Sensing and Imaging)
  • Article
  • Open Access
8 Citations
5,030 Views
20 Pages

30 October 2019

Because of the special design of BeiDou navigation satellite system (BDS) constellation, the effects of ionospheric scintillation on operational BDS generally are more serious than on the global positioning system (GPS). As BDS is currently providing...

(This article belongs to the Special Issue Global Navigation Satellite Systems for Earth Observing System)
  • Article
  • Open Access
1 Citations
2,241 Views
33 Pages

9 July 2025

I consider an underexplored possible explainer of the “surprising” results of Ultimatum Game experiments, namely, that Proposers and Recipients consider following only some of all the logically possible strategies of their Ultimatum Game....

(This article belongs to the Section Learning and Evolution in Games)
  • Article
  • Open Access
474 Views
44 Pages

23 April 2026

Multi-threshold image segmentation is an important research topic in the fields of computer vision and image processing. Its core objective is to efficiently determine the optimal threshold combination within a high-dimensional and complex search spa...

(This article belongs to the Special Issue Applications Based on Symmetry/Asymmetry in Optimization Algorithms)
  • Article
  • Open Access
2 Citations
824 Views
23 Pages

7 December 2025

To address the challenges of low automatic leveling efficiency and insufficient control precision for small tracked operation chassis navigating uneven terrain in hilly and mountainous areas, this study proposes a leveling control system that integra...

(This article belongs to the Section Agricultural Technology)
  • Article
  • Open Access
7 Citations
2,996 Views
12 Pages

Is Physical Activity an Effective Factor for Modulating Pressure Pain Threshold and Pain Tolerance after Cardiovascular Incidents?

  • Katarzyna Leźnicka,
  • Maciej Pawlak,
  • Agnieszka Maciejewska-Skrendo,
  • Jacek Buczny,
  • Anna Wojtkowska,
  • Grzegorz Pawlus,
  • Anna Machoy-Mokrzyńska and
  • Aleksandra Jażdżewska

The purpose of this study was to investigate whether regular physical activity can alter the pressure pain threshold, pain tolerance, and subjective pain perception in individuals who have experienced a cardiovascular event. The study involved 85 ind...

(This article belongs to the Special Issue Sports and Health Training—a Multidimensional Approach)
  • Article
  • Open Access
275 Views
16 Pages

Soil Hydrological Functions and Threshold Effects Under Different Modes of Vegetation Restoration in a Reclaimed Coal Mine of the Loess Plateau

  • Huizhuan Wang,
  • Minggang Zhang,
  • Fang Li,
  • Guofang Chen,
  • Yanqing Yang,
  • Guoqing Li and
  • Yonggang Yang

26 August 2026

Traditional evaluations of ecological restoration in mining lands have long been dominated by above ground vegetation metrics, such as coverage and community diversity. Yet in arid and semi-arid mining regions, soil hydrology recovery is key, as soil...

  • Article
  • Open Access
8 Citations
3,494 Views
33 Pages

3 June 2023

Aiming at the problems of low resource utilization and high distribution cost of urban logistics enterprises, this paper introduces the threshold setting of large parcels, comprehensively considers the processing links of large parcels and standard p...

  • Article
  • Open Access
43 Citations
9,399 Views
24 Pages

26 November 2016

The rule-based logic threshold control strategy has been frequently used in energy management strategies for hybrid electric vehicles (HEVs) owing to its convenience in adjusting parameters, real-time performance, stability, and robustness. However,...

  • Article
  • Open Access
5 Citations
946 Views
42 Pages

20 November 2025

To address the limitations of the original Sand Cat Swarm Optimization (SCSO) algorithm—such as static strategy selection, insufficient population diversity, and coarse boundary handling—this paper proposes a multi-strategy enhanced versi...

(This article belongs to the Section A: Computer Science)
  • Article
  • Open Access
2 Citations
3,513 Views
46 Pages

Blockchain-Native Asset Direction Prediction: A Confidence-Threshold Approach to Decentralized Financial Analytics Using Multi-Scale Feature Integration

  • Oleksandr Kuznetsov,
  • Dmytro Prokopovych-Tkachenko,
  • Maksym Bilan,
  • Borys Khruskov and
  • Oleksandr Cherkaskyi

29 November 2025

Blockchain-based financial ecosystems generate unprecedented volumes of multi-temporal data streams requiring sophisticated analytical frameworks that leverage both on-chain transaction patterns and off-chain market microstructure dynamics. This stud...

(This article belongs to the Special Issue Blockchain and Big Data Analytics: AI-Driven Data Science)
  • Article
  • Open Access
45 Citations
6,346 Views
36 Pages

15 April 2019

Multilevel thresholding segmentation of color images is an important technology in various applications which has received more attention in recent years. The process of determining the optimal threshold values in the case of traditional methods is t...

(This article belongs to the Special Issue Entropy in Image Analysis)
  • Article
  • Open Access
2 Citations
380 Views
62 Pages

23 April 2026

To address the shortcomings of the information acquisition optimizer (IAO)—specifically its susceptibility to premature convergence, insufficient exploitation capability during later stages, and population diversity decay when applied to comple...

(This article belongs to the Special Issue Symmetry in Optimization Algorithms and Applications)
  • Article
  • Open Access
11 Citations
1,797 Views
43 Pages

To better address the issue of multi-threshold image segmentation, this paper proposes a hybrid adaptive crayfish optimization algorithm with differential evolution for color multi-threshold image segmentation (ACOADE). Due to the insufficient conver...

  • Article
  • Open Access
11 Citations
4,929 Views
17 Pages

25 June 2019

Dark target detection is important for engineering applications but the existing methods do not consider the imaging environment of dark targets, such as the adjacency effect. The adjacency effect will affect the quantitative applications of remote s...

(This article belongs to the Special Issue Advance and Applications of RGB Sensors)
  • Article
  • Open Access
9 Citations
4,477 Views
21 Pages

Risk Assessment and Area-Wide Crop Rotation to Keep Western Corn Rootworm below Damage Thresholds and Avoid Insecticide Use in European Maize Production

  • Lorenzo Furlan,
  • Francesca Chiarini,
  • Barbara Contiero,
  • Isadora Benvegnù,
  • Finbarr G. Horgan,
  • Tomislav Kos,
  • Darija Lemić and
  • Renata Bažok

27 April 2022

The Western corn rootworm (WCR), Diabrotica virgifera virgifera LeConte, has been a serious quarantine pest to maize in Europe since the mid-1990s. The integrated pest management of WCR requires an accurate knowledge of the factors that contribute mo...

(This article belongs to the Special Issue Environmentally-Friendly Pest Control Approaches for Invasive Insects)
  • Article
  • Open Access
4 Citations
911 Views
22 Pages

12 February 2026

This study analyzes the characteristics of natural lighting and artificial lighting illuminance, correlated color temperature (CCT), and color rendering index (CRI), and their impact on driver visibility. A real-vehicle experiment was conducted to as...

  • Article
  • Open Access
12 Citations
3,547 Views
14 Pages

7 October 2018

Using computational techniques to identify intrinsically disordered residues is practical and effective in biological studies. Therefore, designing novel high-accuracy strategies is always preferable when existing strategies have a lot of room for im...

(This article belongs to the Special Issue Functionally Relevant Macromolecular Interactions of Disordered Proteins)
  • Article
  • Open Access
30 Citations
8,640 Views
16 Pages

Adaptive Image Thresholding of Yellow Peppers for a Harvesting Robot

  • Ahmad Ostovar,
  • Ola Ringdahl and
  • Thomas Hellström

5 February 2018

The presented work is part of the H2020 project SWEEPER with the overall goal to develop a sweet pepper harvesting robot for use in greenhouses. As part of the solution, visual servoing is used to direct the manipulator towards the fruit. This requir...

(This article belongs to the Special Issue Agriculture Robotics)
  • Article
  • Open Access
1 Citations
468 Views
64 Pages

To overcome the limitations of the original Ivy Algorithm (IVYA), including insufficient population diversity, limited step-size adaptability, and premature convergence, this paper proposes a multi-strategy enhanced Ivy optimization algorithm (MEIVYA...

(This article belongs to the Special Issue Metaheuristic Algorithms, 2nd Edition)
  • Article
  • Open Access
1 Citations
1,691 Views
18 Pages

15 May 2024

In order to deal with complex risk scenarios involving claims, uncertainty, and investments, we consider the ruin problems in a compound Poisson risk model with liquid reserves and proportional investments and study the expected discounted penalty fu...

(This article belongs to the Section B: Mathematics)
  • Article
  • Open Access
1 Citations
2,231 Views
23 Pages

12 June 2023

In this paper, we analyze a multi-server queueing system with a marked Markov arrival process of two types of customers and a phase-type distribution of service time depending on the type of customer. Customers of both types are assumed to be impatie...

(This article belongs to the Special Issue Stochastic Modeling and Applied Probability, 2nd Edition)
  • Article
  • Open Access
36 Citations
7,062 Views
15 Pages

19 June 2018

To solve the intractable problems of optimal rank truncation threshold and dominant modes selection strategy of the standard dynamic mode decomposition (DMD), an improved DMD algorithm is introduced in this paper. Distinct from the conventional metho...

(This article belongs to the Section Physical Sensors)
  • Article
  • Open Access
4 Citations
906 Views
45 Pages

11 December 2025

To address the issues of uneven population initialization, insufficient individual information interaction, and passive boundary handling in the standard Golden Jackal Optimization (GJO) algorithm, while improving the accuracy and efficiency of multi...

(This article belongs to the Section F: Engineering and Materials)
  • Feature Paper
  • Article
  • Open Access
34 Citations
7,434 Views
33 Pages

10 July 2020

Environmental obligation, fuel security, and human health issues have fuelled the search for locally produced sustainable transport fuels as an alternative to liquid petroleum. This study evaluates the sustainability performance of various alternativ...

(This article belongs to the Section Sustainable Engineering and Science)
  • Article
  • Open Access
1 Citations
2,025 Views
21 Pages

Research on Disease Spreading Behavior Oriented to Three-Layer Complex Networks

  • Zhonglin Ye,
  • Haixiu Luo,
  • Yunchao Gong,
  • Gege Li,
  • Lin Zhou and
  • Zhuome Renqing

25 June 2022

Disease spreading in multi-layer complex networks often spreads among multiple populations with the help of media. In order to reveal the cross-layer spreading characteristics of diseases and control the cross-layer spreading of diseases by analyzing...

  • Article
  • Open Access
458 Views
34 Pages

7 May 2026

The increasing integration of wind power reduces system inertia and weakens the frequency regulation capability of power systems. To address the problems of unclear task allocation, repeated compensation, and insufficient consideration of wind turbin...

(This article belongs to the Section Electrical, Electronics and Communications Engineering)
  • Article
  • Open Access
4 Citations
2,860 Views
12 Pages

Effect of Weight Thresholding on the Robustness of Real-World Complex Networks to Central Node Attacks

  • Jisha Mariyam John,
  • Michele Bellingeri,
  • Divya Sindhu Lekha,
  • Davide Cassi and
  • Roberto Alfieri

11 August 2023

In this study, we investigate the effect of weight thresholding (WT) on the robustness of real-world complex networks. Here, we assess the robustness of networks after WT against various node attack strategies. We perform WT by removing a fixed fract...

(This article belongs to the Special Issue Complex Networks with Their Applications)
  • Article
  • Open Access
5 Citations
3,583 Views
20 Pages

Detecting Lombard Speech Using Deep Learning Approach

  • Krzysztof Kąkol,
  • Gražina Korvel,
  • Gintautas Tamulevičius and
  • Bożena Kostek

28 December 2022

Robust Lombard speech-in-noise detecting is challenging. This study proposes a strategy to detect Lombard speech using a machine learning approach for applications such as public address systems that work in near real time. The paper starts with the...

(This article belongs to the Special Issue Advances in Acoustic Sensors and Deep Audio Pattern Recognition)
  • Article
  • Open Access
10 Citations
2,676 Views
24 Pages

8 June 2022

Accurate wind speed prediction is a premise that guarantees the reliable operation of the power grid. This study presents a combined prediction model that integrates data preprocessing, cascade optimization, and deep learning prediction to improve pr...

  • Article
  • Open Access
574 Views
30 Pages

30 April 2026

In the Industry 4.0 era, effective maintenance management is paramount to ensuring production continuity, operational efficiency, and cost-effectiveness. Modern industrial systems operate under inherent uncertainty and limited observability, necessit...

(This article belongs to the Special Issue Maintenance and Reliability Engineering: Latest Advances and Prospects)
  • Article
  • Open Access
2,230 Views
10 Pages

23 January 2026

SARS-CoV-2, the causative virus of the COVID-19 pandemic, is a highly transmissible, enveloped, single-stranded RNA virus that has mutated into several variants, complicating vaccine strategies and drug resistance. Novel treatment modalities targetin...

(This article belongs to the Special Issue Innovative Prophylactic and Therapeutics for the Treatment of Coronavirus Infection)
  • Article
  • Open Access
31 Citations
9,127 Views
15 Pages

A Real Time QRS Detection Algorithm Based on ET and PD Controlled Threshold Strategy

  • Aiyun Chen,
  • Yidan Zhang,
  • Mengxin Zhang,
  • Wenhan Liu,
  • Sheng Chang,
  • Hao Wang,
  • Jin He and
  • Qijun Huang

18 July 2020

As one of the important components of electrocardiogram (ECG) signals, QRS signal represents the basic characteristics of ECG signals. The detection of QRS waves is also an essential step for ECG signal analysis. In order to further meet the clinical...

(This article belongs to the Special Issue Artificial Intelligence in Medical Sensors)

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