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

26,755 Results Found

  • Feature Paper
  • Article
  • Open Access
4 Citations
6,328 Views
27 Pages

Improving the Representativeness of a Simple Random Sample: An Optimization Model and Its Application to the Continuous Sample of Working Lives

  • Vicente Núñez-Antón,
  • Juan Manuel Pérez-Salamero González,
  • Marta Regúlez-Castillo and
  • Carlos Vidal-Meliá

25 July 2020

This paper proposes an optimization model for selecting a larger subsample that improves the representativeness of a simple random sample previously obtained from a population larger than the population of interest. The problem formulation involves c...

(This article belongs to the Special Issue Application of Mathematical Analysis and Models to Financial Economics)
  • Article
  • Open Access
2 Citations
1,079 Views
24 Pages

29 December 2025

In response to the shortage of theoretical support for negative sample selection and the imbalance between positive and negative samples in landslide susceptibility assessment (LSA), this study presents a dual optimization framework of sampling strat...

(This article belongs to the Section Earth Sciences)
  • Article
  • Open Access
5 Citations
2,189 Views
22 Pages

17 August 2022

In this paper, a compact cat swarm optimization algorithm based on a Small Sample Probability Model (SSPCCSO) is proposed. In the same way as with previous algorithms, there is a tracking mode and a searching mode in the processing of searching for o...

(This article belongs to the Special Issue Novel Research and Application on Swarm Optimization and Bioinspired Optimization Algorithms)
  • Article
  • Open Access
6 Citations
1,969 Views
26 Pages

Reducing Lithium-Ion Battery Testing Costs Through Strategic Sample Optimization

  • Zeyad Almutairi,
  • Hadi A. Bheyan,
  • H. Al-Ansary and
  • Ali M. Eltamaly

26 June 2025

Lithium-ion battery lifetime prediction traditionally relies on extensive full-cycle testing, which is costly and time-consuming. This paper proposes a novel framework for strategic sample optimization that significantly reduces testing requirements...

(This article belongs to the Special Issue Advances in Renewable Energy Systems (2nd Edition))
  • Article
  • Open Access
6 Citations
1,490 Views
31 Pages

Towards Sustainable Development: Landslide Susceptibility Assessment with Sample Optimization in Guiyang County, China

  • Yuzhong Kong,
  • Kangcheng Zhu,
  • Hua Wu,
  • Chong Xu and ,
  • Ze Meng,
  • Hui Kong,
  • Wen Tan,
  • Xiangyun Kong,
  • Xingwang Chen and
  • Tong Xu
  • + 6 authors+ 1 author

28 October 2025

Here we present a high-resolution landslide susceptibility model for Guiyang County, China, developed to support sustainable disaster risk management. Our approach couples optimized positive and negative training samples with an ensemble of machine-l...

  • Article
  • Open Access
13 Citations
4,137 Views
21 Pages

Soil Moisture Content Retrieval from Remote Sensing Data by Artificial Neural Network Based on Sample Optimization

  • Qixin Liu,
  • Xingfa Gu,
  • Xinran Chen,
  • Faisal Mumtaz and ,
  • Yan Liu,
  • Chunmei Wang,
  • Tao Yu,
  • Yin Zhang,
  • Dakang Wang and
  • Yulin Zhan
  • + 5 authors+ 0 author

18 February 2022

Soil moisture content (SMC) plays an essential role in geoscience research. The SMC can be retrieved using an artificial neural network (ANN) based on remote sensing data. The quantity and quality of samples for ANN training and testing are two criti...

(This article belongs to the Special Issue Innovations in Photogrammetry and Remote Sensing: Modern Sensors, New Processing Strategies and Frontiers in Applications)
  • Article
  • Open Access
5 Citations
3,504 Views
20 Pages

12 April 2025

Interior permanent magnet synchronous motors (IPMSMs) are critical for electric vehicle traction and industrial systems, yet optimizing their performance under high-dimensional design spaces remains computationally challenging. This study proposes a...

(This article belongs to the Section Electrical, Electronics and Communications Engineering)
  • Article
  • Open Access
5 Citations
3,824 Views
16 Pages

19 October 2023

The welding process is characterized by its high energy density, making it imperative to optimize the energy consumption of welding robots without compromising the quality and efficiency of the welding process for their sustainable development. The a...

(This article belongs to the Section Sustainable Engineering and Science)
  • Article
  • Open Access
8 Citations
2,287 Views
15 Pages

The increasing demand for sustainable development and energy efficiency underscores the importance of optimizing motors in driving the upgrade of energy structures. This paper studies a data-driven approach for the multi-objective optimization of mot...

  • Article
  • Open Access
13 Citations
3,555 Views
15 Pages

3 February 2023

When using machine learning methods to make predictions, the problem of small sample sizes or highly noisy observation samples is common. Current mainstream sample expansion methods cannot handle the data noise problem well. We propose a multipath sa...

(This article belongs to the Special Issue Advances in Computational Statistics and Applications)
  • Article
  • Open Access
766 Views
27 Pages

High-Dimensional Small-Sample Feature Selection Using Co-Evolutionary Ant Colony Optimization Inspired by Heterosis

  • Chunli Xiang,
  • Jing Zhou,
  • Zhiwei Ye,
  • Zenggang Xiong and ,
  • An Song,
  • Dingfeng Song and
  • Jie Sun
  • + 2 authors+ 0 author

High-dimensional small-sample data are widely encountered in medical diagnosis, bioinformatics, and industrial inspection, where traditional feature selection methods often suffer from premature convergence and local optima. To address these issues,...

(This article belongs to the Section Biological Optimisation and Management)
  • Article
  • Open Access
16 Citations
4,578 Views
18 Pages

3 January 2021

The randomness, nonstationarity and irregularity of air pollutant data bring difficulties to forecasting. To improve the forecast accuracy, we propose a novel hybrid approach based on two-stage decomposition embedded sample entropy, group teaching op...

(This article belongs to the Section Atmospheric Techniques, Instruments, and Modeling)
  • Article
  • Open Access
13 Citations
6,217 Views
19 Pages

20 March 2021

Important advances have been made in the methodologies for assessing the safety of dams, resulting in the review and modification of design guidelines. Many existing dams fail to meet these revised criteria, and structural rehabilitation to achieve t...

(This article belongs to the Special Issue Soft Computing and Machine Learning in Dam Engineering)
  • Article
  • Open Access
74 Citations
11,196 Views
19 Pages

16 November 2023

A significant number of sample points are often required for surrogate-based optimization when utilizing process simulations to cover the entire system space. This necessity is particularly pronounced in complex simulations or high-dimensional physic...

(This article belongs to the Special Issue Research on Process System Engineering)
  • Article
  • Open Access
3,403 Views
13 Pages

Near-Optimal Graph Signal Sampling by Pareto Optimization

  • Dongqi Luo,
  • Binqiang Si,
  • Saite Zhang,
  • Fan Yu and
  • Jihong Zhu

18 February 2021

In this paper, we focus on the bandlimited graph signal sampling problem. To sample graph signals, we need to find small-sized subset of nodes with the minimal optimal reconstruction error. We formulate this problem as a subset selection problem, and...

(This article belongs to the Section Sensor Networks)
  • Article
  • Open Access
3 Citations
2,926 Views
17 Pages

Optimization Procedure for Computing Sampling Time for Induction Machine Parameter Estimation

  • Tin Benšić,
  • Toni Varga,
  • Marinko Barukčić and
  • Vedrana Jerković Štil

6 May 2020

This paper presents a method for selecting the sampling time for induction machine parameter estimation from the machine line start measurements. the metaheuristic optimization method is used to find the optimal Prony exponential series approxiamtion...

(This article belongs to the Special Issue Modeling, Design and Control of Electric Machines)
  • Article
  • Open Access
4 Citations
1,087 Views
9 Pages

E-book sales have seen a slow growth in recent years. A major issue is how to attract consumers and promote sales. Motivated by the marketing strategy of free sampling, retailers start to offer free partial sampling of e-books. We propose a quantitat...

  • Article
  • Open Access
7 Citations
5,841 Views
14 Pages

27 July 2022

The main problem of fluid sampling during well testing of reservoirs with near-critical fluids (gas condensate and volatile oil) is due to the fact that even a small pressure drawdown usually leads to the formation of a two-phase mixture in the botto...

(This article belongs to the Special Issue Current Technical Problems of Conventional and Unconventional Oil and Gas Recovery)
  • Article
  • Open Access
26 Citations
4,073 Views
19 Pages

Optimization of Samples for Remote Sensing Estimation of Forest Aboveground Biomass at the Regional Scale

  • Qingtai Shu,
  • Lei Xi,
  • Keren Wang,
  • Fuming Xie and ,
  • Yong Pang and
  • Hanyue Song
  • + 1 author+ 0 author

25 August 2022

Accurately estimating forest aboveground biomass (AGB) based on remote sensing (RS) images at the regional level is challenging due to the uncertainty of the modeling sample size. In this study, a new optimizing method for the samples was suggested b...

(This article belongs to the Collection Feature Paper Special Issue on Forest Remote Sensing)
  • Article
  • Open Access
9 Citations
3,458 Views
25 Pages

13 October 2023

Precision agriculture hinges on accurate soil condition data obtained through soil testing across the field, which is a foundational step for subsequent processes. Soil testing is expensive, and reducing the number of samples is an important task. On...

(This article belongs to the Topic Geospatial Digital Innovations for Smart Agriculture and Forestry)
  • Article
  • Open Access
3 Citations
1,459 Views
19 Pages

30 November 2025

Satellite and UAV-based remote sensing have been widely used for agricultural systems monitoring jointly. How to quantitatively optimize the efficiency of integrating these two techniques remains largely understudied. To address this gap, we, for the...

(This article belongs to the Special Issue Advancing UAV-Based Remote Sensing: Innovations, Techniques and Applications)
  • Article
  • Open Access
18 Citations
6,950 Views
20 Pages

Multi-Fidelity Adaptive Sampling for Surrogate-Based Optimization and Uncertainty Quantification

  • Andrea Garbo,
  • Jigar Parekh,
  • Tilo Rischmann and
  • Philipp Bekemeyer

Surrogate-based algorithms are indispensable in the aerospace engineering field for reducing the computational cost of optimization and uncertainty quantification analyses, particularly those involving computationally intensive solvers. This paper pr...

(This article belongs to the Special Issue Data-Driven Aerodynamic Modeling)
  • Feature Paper
  • Article
  • Open Access
6 Citations
1,809 Views
29 Pages

Selective Multistart Optimization Based on Adaptive Latin Hypercube Sampling and Interval Enclosures

  • Ioannis A. Nikas,
  • Vasileios P. Georgopoulos and
  • Vasileios C. Loukopoulos

24 May 2025

Solving global optimization problems is a significant challenge, particularly in high-dimensional spaces. This paper proposes a selective multistart optimization framework that employs a modified Latin Hypercube Sampling (LHS) technique to maintain a...

(This article belongs to the Section E1: Mathematics and Computer Science)
  • Article
  • Open Access
2 Citations
3,348 Views
22 Pages

14 October 2022

In large-area forest inventories, a trade-off between the amount of data to be sampled and the corresponding collection costs is necessary. It is not always possible to have a very large data sample when dealing with sampling-based inventories. It is...

(This article belongs to the Section Forest Inventory, Modeling and Remote Sensing)
  • Article
  • Open Access
2 Citations
1,828 Views
29 Pages

An Anti-Interrupted-Sampling Repeater Jamming Method Based on Simulated Annealing–2-Optimization Parallel Optimization of Waveforms and Fractional Domain Extraction

  • Ziming Yin,
  • Pengcheng Guo,
  • Yunyu Wei,
  • Sizhe Gao and ,
  • Jingjing Wang,
  • Anxiang Xue and
  • Kuo Wang
  • + 2 authors+ 0 author

9 May 2025

Faced with increasingly complex electronic jamming environments, intra-pulse agility has become a primary method of anti-interrupted-sampling repeater jamming (ISRJ) for radar systems. However, existing intra-pulse agile signals suffer from high auto...

(This article belongs to the Section Intelligent Sensors)
  • Article
  • Open Access
4 Citations
3,329 Views
15 Pages

Sampling and Reconstruction Jointly Optimized Model Unfolding Network for Single-Pixel Imaging

  • Qiurong Yan,
  • Xiancheng Xiong,
  • Ke Lei,
  • Yongjian Zheng and
  • Yuhao Wang

21 February 2023

In recent years, extensive research has shown that deep learning-based compressed image reconstruction algorithms can achieve faster and better high-quality reconstruction for single-pixel imaging, and that reconstruction quality can be further impro...

(This article belongs to the Special Issue Advances and Applications in Computational Imaging)
  • Article
  • Open Access
60 Citations
8,215 Views
16 Pages

4 March 2017

The accuracy of training samples used for data classification methods, such as support vector machines (SVMs), has had a considerable positive impact on the results of urban area extractions. To improve the accuracy of urban built-up area extractions...

  • Article
  • Open Access
1 Citations
2,309 Views
27 Pages

12 December 2022

A population-based optimization algorithm combining the support vector machine (SVM) and importance sampling (IS) is proposed to achieve a global solution to optimal reliability design. The proposed approach is a greedy algorithm that starts with an...

(This article belongs to the Special Issue Bayesian Statistics on Artificial Intelligence: Theory, Methods and Applications)
  • Article
  • Open Access
14 Citations
3,842 Views
16 Pages

Research on electroencephalography (EEG) signals and their data analysis have drawn much attention in recent years. Data mining techniques have been extensively applied as efficient solutions for non-invasive brain–computer interface (BCI) rese...

(This article belongs to the Special Issue Smart Processing for Systems under Uncertainty or Perturbation)
  • Article
  • Open Access
12 Citations
4,194 Views
20 Pages

3 October 2020

Engineering optimization problems often involve computationally expensive black-box simulations of underlying physical phenomena. This paper compares the performance of four constrained optimization algorithms relying on a Gaussian process model and...

(This article belongs to the Special Issue Modelling and Simulation of Natural Phenomena of Current Interest)
  • Article
  • Open Access
384 Views
19 Pages

Optimization and Analysis of a Long-Arm Intelligent Marine Sampling Platform

  • Heng Zhou,
  • Lejingyi Zhou,
  • Haibo Wu,
  • Minghao Xu and ,
  • Lindan Zhang,
  • Jia Guo,
  • Wei Fu,
  • Hengchi Zheng and
  • Tian Ni
  • + 4 authors+ 0 author

25 August 2026

As the core equipment for in situ deep-sea scientific research, the design quality and operational performance of the sampling platform determine the efficiency of deep-sea operations, including long-term continuous observation, high-quality sampling...

(This article belongs to the Special Issue Overall Design of Underwater Vehicles)
  • Article
  • Open Access
6 Citations
1,347 Views
23 Pages

10 October 2025

Experimental optimization with surrogate models has received much attention for its efficiency recently in predicting the responses of the experimental optimum. However, with the development of multi-fidelity experiments with surrogate models such as...

(This article belongs to the Section Aeronautics)
  • Article
  • Open Access
1 Citations
747 Views
26 Pages

Optimization of Sampling Density in Regional-Scale Soil Organic Matter Mapping and Its Impact on Prediction Accuracy

  • Jin Guo,
  • Yuhong Zhang,
  • Depiao Kong,
  • Xueyao Zhao and ,
  • Xue Li and
  • Chong Luo
  • + 1 author+ 0 author

9 May 2026

High sampling density in digital soil mapping improves accuracy but increases costs. This study optimized sampling density for soil organic matter (SOM) mapping in Longjiang County using an XGBoost model, integrating Sentinel-2 imagery (April–M...

  • Article
  • Open Access
18 Citations
6,365 Views
23 Pages

30 August 2012

Finding out the optimal sampling positions for measurement of ventilation rates in a naturally ventilated building using tracer gas is a challenge. Affected by the wind and the opening status, the representative positions inside the building may chan...

(This article belongs to the Section Physical Sensors)
  • Article
  • Open Access
46 Citations
7,816 Views
16 Pages

7 September 2018

Recent research has shown that spatial-spectral information can help to improve the classification of hyperspectral images (HSIs). Therefore, three-dimensional convolutional neural networks (3D-CNNs) have been applied to HSI classification. However,...

(This article belongs to the Special Issue Classification and Feature Extraction for Remote Sensing Image Analysis)
  • Article
  • Open Access
10 Citations
5,291 Views
18 Pages

Wastewater-based epidemiology (WBE) has great potential to monitor community public health, especially during pandemics. However, it faces substantial hurdles in pathogen surveillance through WBE, encompassing data representativeness, spatiotemporal...

(This article belongs to the Section Public Health Research)
  • Article
  • Open Access
3 Citations
3,384 Views
17 Pages

25 September 2021

Public traffic has a great influence, especially with the background of COVID-19. Solving simulation-based optimization (SO) problem is efficient to study how to improve the performance of public traffic. Global optimization based on Kriging (KGO) is...

(This article belongs to the Collection Sustainable and Smart Traffic Variation, Development and Analysis toward Multi-model and Multi-source Data)
  • Article
  • Open Access
17 Citations
6,103 Views
21 Pages

13 December 2018

A centrifugal compressor is required to increase aerodynamic efficiency, ensure structural integrity, and reduce processing costs. This paper presents a dimension reduction technique based on proper orthogonal decomposition (POD) in combination with...

(This article belongs to the Special Issue Radial Turbomachinery Aerodynamics)
  • Article
  • Open Access
2 Citations
2,653 Views
12 Pages

2 February 2020

This paper focuses on the density estimation problem that occurs when the sample is negatively associated and biased. We constructed a block thresholding wavelet estimator to recover the density function from the negatively associated biased sample....

(This article belongs to the Special Issue Probability, Statistics and Their Applications)
  • Article
  • Open Access
7 Citations
3,239 Views
15 Pages

Effect of Stand Structure and Number of Sample Trees on Optimal Management for Scots Pine: A Model-Based Study

  • Anssi Ahtikoski,
  • Jouni Siipilehto,
  • Hannu Salminen,
  • Mika Lehtonen and
  • Jari Hynynen

30 November 2018

This study presents an attempt to discover the effect of sample size on the financial outcome derived by stand-level optimization with individual tree modeling. The initial stand structure was altered to reflect sparse, average, and dense Scots pine...

(This article belongs to the Section Forest Ecology and Management)
  • Article
  • Open Access
5 Citations
3,153 Views
31 Pages

14 June 2022

Selecting the optimal locations and timing for prescribed burning is challenging when considering uncertainties in weather, fire behavior, and future fire suppression. In this study, we present a sample average approximation (SAA) based multistage st...

(This article belongs to the Section Natural Hazards and Risk Management)
  • Article
  • Open Access
17 Citations
5,190 Views
12 Pages

Interdigitated Sensor Optimization for Blood Sample Analysis

  • Julien Claudel,
  • Thanh-Tuan Ngo,
  • Djilali Kourtiche and
  • Mustapha Nadi

16 December 2020

Interdigitated (ITD) sensors are specially adapted for the bioimpedance analysis (BIA) of low-volume (microliter scale) biological samples. Impedance spectroscopy is a fast method involving simple and easy biological sample preparation. The geometry...

(This article belongs to the Special Issue Biosensors for Diagnosis and Monitoring)
  • Article
  • Open Access
8 Citations
5,256 Views
14 Pages

Anchor Chain Optimization Design of a Catenary Anchor Leg Mooring System Based on Adaptive Sampling

  • Qiang Sun,
  • Wenbo Li,
  • Rundong Li,
  • Dongsheng Peng and ,
  • Qiang Guo,
  • Yan Zhao,
  • Qianjin Yue and
  • Wanxie Zhong
  • + 3 authors+ 0 author

13 November 2022

A catenary anchor leg mooring system (CALM) is one of the main kinds of offshore transport terminals. Its buoyancy is connected by multiple anchor chains fixed on the seabed. Because a large deformation characterizes the anchor chain, it is prone to...

(This article belongs to the Special Issue Theory, Method and Engineering Application of Computational Mechanics in Offshore Structures)
  • Feature Paper
  • Article
  • Open Access
5 Citations
3,269 Views
26 Pages

22 September 2022

The current journal paper proposes an end-to-end analysis for the numerical implementation of a two-degrees-of-freedom (2DOF) control structure, starting from the sampling rate selection mechanism via a quasi-optimal manner, along with the estimation...

(This article belongs to the Section E2: Control Theory and Mechanics)
  • Article
  • Open Access
3 Citations
1,772 Views
21 Pages

15 April 2025

Soil mapping plays a crucial role in optimizing agricultural production by providing spatially explicit information on soil types and properties, which supports decision-making in precision fertilization, irrigation, and crop selection. Traditional s...

(This article belongs to the Section Precision and Digital Agriculture)
  • Article
  • Open Access
21 Citations
8,368 Views
31 Pages

A New Hyperparameter Tuning Framework for Regression Tasks in Deep Neural Network: Combined-Sampling Algorithm to Search the Optimized Hyperparameters

  • Nguyen Huu Tiep,
  • Hae-Yong Jeong,
  • Kyung-Doo Kim,
  • Nguyen Xuan Mung and ,
  • Nhu-Ngoc Dao,
  • Hoai-Nam Tran,
  • Van-Khanh Hoang,
  • Nguyen Ngoc Anh and
  • Mai The Vu
  • + 4 authors+ 0 author

10 December 2024

This paper introduces a novel hyperparameter optimization framework for regression tasks called the Combined-Sampling Algorithm to Search the Optimized Hyperparameters (CASOH). Our approach enables hyperparameter tuning for deep learning models with...

(This article belongs to the Special Issue Advances in Machine Learning and Applications)
  • Review
  • Open Access
1 Citations
1,640 Views
30 Pages

5 March 2026

The optimal placement of samplers and sensors in water distribution systems (WDSs) and wastewater collection systems (WCSs) is fundamental to effective monitoring, early contamination detection, and system protection. The goal of optimal sensor/sampl...

(This article belongs to the Section Chemical, Civil and Environmental Engineering)
  • Article
  • Open Access
25 Citations
3,424 Views
18 Pages

18 January 2023

Injection molding process parameters have a great impact on plastic production quality, manufacturing cost, and molding efficiency. This study proposes to apply the method of Latin hypercube sampling, and to combine the response surface model and &ld...

(This article belongs to the Special Issue Multifunctional Polymer Molding Processing of Polymers)
  • Article
  • Open Access
327 Views
20 Pages

18 June 2026

In this paper, the maximum product spacing method of estimation has been investigated under progressive Type-I censoring scheme. This estimation method has not previously been considered in the life-testing literature, particularly under this censori...

(This article belongs to the Special Issue Recent Developments in Statistical Research)
  • Article
  • Open Access
2 Citations
1,957 Views
14 Pages

27 April 2025

As the application of mobile robots becomes increasingly widespread, many navigation applications now require more than just obstacle avoidance capabilities. There is a growing demand for robots to follow predetermined global paths. Inspired by stamp...

(This article belongs to the Section Robotics and Automation)

of 536