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3,400 Results Found

  • Article
  • Open Access
10 Citations
2,880 Views
17 Pages

22 August 2019

Sustainable development is of great significance. The emerging research on data-driven computational sustainability has become an effective way to solve this problem. This paper presents a fault diagnosis and prediction framework for complex systems...

  • Feature Paper
  • Review
  • Open Access
1,079 Views
23 Pages

2 November 2025

Nonlocal models offer a unified framework for describing long-range spatial interactions and temporal memory effects. The review briefly outlines several representative physical problems, including anomalous diffusion, material fracture, viscoelastic...

  • Article
  • Open Access
1,384 Views
29 Pages

17 September 2025

The rapid growth of high-dimensional biometric data requires fast and accurate similarity search methods for real-time applications. This study proposes, for the first time, two efficient parallel implementations of the exact Sorting-based Nearest Ne...

  • Article
  • Open Access
1 Citations
3,369 Views
24 Pages

28 April 2023

The first-hitting-time based model conceptualizes a random process for subjects’ latent health status. The time-to-event outcome is modeled as the first hitting time of the random process to a pre-specified threshold. Threshold regression with...

  • Article
  • Open Access
751 Views
35 Pages

14 October 2025

With the growing complexity of high-dimensional imbalanced datasets in critical fields such as medical diagnosis and bioinformatics, feature selection has become essential to reduce computational costs, alleviate model bias, and improve classificatio...

  • Article
  • Open Access
16 Citations
3,266 Views
13 Pages

Advances in flow cytometry enable the acquisition of large and high-dimensional data sets per patient. Novel computational techniques allow the visualization of structures in these data and, finally, the identification of relevant subgroups. Correct...

  • Article
  • Open Access
2 Citations
469 Views
19 Pages

Enhancing Cascade Object Detection Accuracy Using Correctors Based on High-Dimensional Feature Separation

  • Andrey V. Kovalchuk,
  • Andrey A. Lebedev,
  • Olga V. Shemagina,
  • Irina V. Nuidel,
  • Vladimir G. Yakhno and
  • Sergey V. Stasenko

This study addresses the problem of correcting systematic errors in classical cascade object detectors under severe data scarcity and distribution shift. We focus on the widely used Viola–Jones framework enhanced with a modified Census transfor...

  • Article
  • Open Access
1,744 Views
13 Pages

We propose a monitoring system for detecting illicit and copyrighted objects in digital manufacturing (DM). Our system is based on extracting and analyzing high-dimensional data from blueprints of three-dimensional (3D) objects. We aim to protect the...

  • Article
  • Open Access
2 Citations
2,100 Views
10 Pages

Computationally Efficient Outlier Detection for High-Dimensional Data Using the MDP Algorithm

  • Michail Tsagris,
  • Manos Papadakis,
  • Abdulaziz Alenazi and
  • Omar Alzeley

11 September 2024

Outlier detection, or anomaly detection as it is known in the machine learning community, has gained interest in recent years, and it is commonly used when the sample size is smaller than the number of variables. In 2015, an outlier detection procedu...

  • Article
  • Open Access
3 Citations
5,004 Views
24 Pages

28 April 2020

In this paper, we briefly present several modifications and generalizations of the concept of self-organizing neural networks—usually referred to as self-organizing maps (SOMs)—to illustrate their advantages in applications that range fro...

  • Article
  • Open Access
2 Citations
1,677 Views
13 Pages

Novel PCA-Based Lower-Dimensional Remapping of the Solution Space for a Genetic Algorithm Optimization: Estimating the Director Distribution in LC-Based SLM Devices

  • Jaume Colomina-Martínez,
  • Joan Josep Sirvent-Verdú,
  • Andrés P. Bernabeu,
  • Tomás Lloret,
  • Belén Nieto-Rodríguez,
  • Cristian Neipp,
  • Augusto Beléndez and
  • Jorge Francés

31 October 2024

This work introduces a novel computational approach based on Principal Component Analysis (PCA) for dimensionality reduction of the solution space in optimisation problems with known linear interdependencies among solution variables. By creating synt...

  • Article
  • Open Access
509 Views
40 Pages

4 January 2026

The estimation of correlation matrices in high-dimensional data streams presents a fundamental conflict between computational efficiency and statistical robustness. Moment-based estimators, such as Pearson’s correlation, offer linear O(N) compl...

  • Article
  • Open Access
42 Citations
6,558 Views
22 Pages

11 February 2021

In the field of parametric partial differential equations, shape optimization represents a challenging problem due to the required computational resources. In this contribution, a data-driven framework involving multiple reduction techniques is propo...

  • Review
  • Open Access
62 Citations
6,939 Views
13 Pages

An Intrusion Detection System for the Internet of Things Based on Machine Learning: Review and Challenges

  • Ahmed Adnan,
  • Abdullah Muhammed,
  • Abdul Azim Abd Ghani,
  • Azizol Abdullah and
  • Fahrul Hakim

4 June 2021

An intrusion detection system (IDS) is an active research topic and is regarded as one of the important applications of machine learning. An IDS is a classifier that predicts the class of input records associated with certain types of attacks. In thi...

  • Review
  • Open Access
151 Citations
20,762 Views
25 Pages

Regression models are a form of supervised learning methods that are important for machine learning, statistics, and general data science. Despite the fact that classical ordinary least squares (OLS) regression models have been known for a long time,...

  • Review
  • Open Access
10 Citations
2,550 Views
28 Pages

Multivariate Modelling and Prediction of High-Frequency Sensor-Based Cerebral Physiologic Signals: Narrative Review of Machine Learning Methodologies

  • Nuray Vakitbilir,
  • Abrar Islam,
  • Alwyn Gomez,
  • Kevin Y. Stein,
  • Logan Froese,
  • Tobias Bergmann,
  • Amanjyot Singh Sainbhi,
  • Davis McClarty,
  • Rahul Raj and
  • Frederick A. Zeiler

20 December 2024

Monitoring cerebral oxygenation and metabolism, using a combination of invasive and non-invasive sensors, is vital due to frequent disruptions in hemodynamic regulation across various diseases. These sensors generate continuous high-frequency data st...

  • Article
  • Open Access
1,235 Views
26 Pages

A Symmetric Projection Space and Adversarial Training Framework for Privacy-Preserving Machine Learning with Improved Computational Efficiency

  • Qianqian Li,
  • Shutian Zhou,
  • Xiangrong Zeng,
  • Jiaqi Shi,
  • Qianye Lin,
  • Chenjia Huang,
  • Yuchen Yue,
  • Yuyao Jiang and
  • Chunli Lv

17 March 2025

This paper proposes a data security training framework based on symmetric projection space and adversarial training, aimed at addressing the issues of privacy leakage and computational efficiency encountered by current privacy protection technologies...

  • Article
  • Open Access
1,091 Views
36 Pages

1 September 2025

We present a novel deep learning framework for high-resolution semantic segmentation, designed to interpret complex visual environments such as cities, rural areas, and natural landscapes. Our method integrates conic geometric embeddings, which is a...

  • Article
  • Open Access
1,547 Views
38 Pages

Partitioning rectangular and rectilinear shapes in n-dimensional binary images into the smallest set of axis-aligned n-cuboids is a fundamental problem in image analysis, pattern recognition, and computational geometry, with applications in object de...

  • Article
  • Open Access
2 Citations
4,006 Views
16 Pages

Latent Feature Group Learning for High-Dimensional Data Clustering

  • Wenting Wang,
  • Yulin He,
  • Liheng Ma and
  • Joshua Zhexue Huang

10 June 2019

In this paper, we propose a latent feature group learning (LFGL) algorithm to discover the feature grouping structures and subspace clusters for high-dimensional data. The feature grouping structures, which are learned in an analytical way, can enhan...

  • Article
  • Open Access
4 Citations
3,210 Views
24 Pages

29 August 2021

The travel time computation of microseismic waves in different directions (particularly, the diagonal direction) in three-dimensional space has been found to be inaccurate, which seriously affects the localization accuracy of three-dimensional micros...

  • Article
  • Open Access
14 Citations
2,804 Views
28 Pages

Fast Bayesian Compressed Sensing Algorithm via Relevance Vector Machine for LASAR 3D Imaging

  • Bokun Tian,
  • Xiaoling Zhang,
  • Liang Li,
  • Ling Pu,
  • Liming Pu,
  • Jun Shi and
  • Shunjun Wei

30 April 2021

Because of the three-dimensional (3D) imaging scene’s sparsity, compressed sensing (CS) algorithms can be used for linear array synthetic aperture radar (LASAR) 3D sparse imaging. CS algorithms usually achieve high-quality sparse imaging at the expen...

  • Feature Paper
  • Article
  • Open Access
3 Citations
4,794 Views
22 Pages

17 March 2018

Evaluating the performance of Bayesian classification in a high-dimensional random tensor is a fundamental problem, usually difficult and under-studied. In this work, we consider two Signal to Noise Ratio (SNR)-based binary classification problems of...

  • Article
  • Open Access
10 Citations
3,275 Views
14 Pages

A Computational Approach to Identification of Candidate Biomarkers in High-Dimensional Molecular Data

  • Justin Gerolami,
  • Justin Jong Mun Wong,
  • Ricky Zhang,
  • Tong Chen,
  • Tashifa Imtiaz,
  • Miranda Smith,
  • Tamara Jamaspishvili,
  • Madhuri Koti,
  • Janice Irene Glasgow and
  • Kathrin Tyryshkin
  • + 2 authors

Complex high-dimensional datasets that are challenging to analyze are frequently produced through ‘-omics’ profiling. Typically, these datasets contain more genomic features than samples, limiting the use of multivariable statistical and...

  • Article
  • Open Access
36 Citations
8,514 Views
30 Pages

Implementation of the Principal Component Analysis onto High-Performance Computer Facilities for Hyperspectral Dimensionality Reduction: Results and Comparisons

  • Ernestina Martel,
  • Raquel Lazcano,
  • José López,
  • Daniel Madroñal,
  • Rubén Salvador,
  • Sebastián López,
  • Eduardo Juarez,
  • Raúl Guerra,
  • César Sanz and
  • Roberto Sarmiento

1 June 2018

Dimensionality reduction represents a critical preprocessing step in order to increase the efficiency and the performance of many hyperspectral imaging algorithms. However, dimensionality reduction algorithms, such as the Principal Component Analysis...

  • Article
  • Open Access
10 Citations
3,648 Views
17 Pages

16 March 2023

Since the Fuzzy C-Means algorithm is incapable of considering the influence of different features and exponential constraints on high-dimensional and complex data, a fuzzy clustering algorithm based on non-Euclidean distance combining feature weights...

  • Article
  • Open Access
2,378 Views
18 Pages

17 January 2024

Markov chain Monte Carlo (MCMC) stands out as an effective method for tackling Bayesian inverse problems. However, when dealing with computationally expensive forward models and high-dimensional parameter spaces, the challenge of repeated sampling be...

  • Article
  • Open Access
12 Citations
3,713 Views
27 Pages

30 November 2022

Metaheuristic algorithms have been hybridized with the standard K-means to address the latter’s challenges in finding a solution to automatic clustering problems. However, the distance calculations required in the standard K-means phase of the...

  • Article
  • Open Access
5 Citations
2,720 Views
22 Pages

Measure of Similarity between GMMs Based on Geometry-Aware Dimensionality Reduction

  • Branislav Popović,
  • Marko Janev,
  • Lidija Krstanović,
  • Nikola Simić and
  • Vlado Delić

29 December 2022

Gaussian Mixture Models (GMMs) are used in many traditional expert systems and modern artificial intelligence tasks such as automatic speech recognition, image recognition and retrieval, pattern recognition, speaker recognition and verification, fina...

  • Article
  • Open Access
1 Citations
2,699 Views
18 Pages

4 December 2024

High-dimensional meteorological data offer a comprehensive overview of meteorological conditions. Nevertheless, predicting regional high-dimensional meteorological data poses challenges due to the vast scale and rapid changes. Apart from slow convent...

  • Article
  • Open Access
2 Citations
2,776 Views
13 Pages

31 October 2023

Data visualization plays a crucial role in gaining insights from high-dimensional datasets. ISOMAP is a popular algorithm that maps high-dimensional data into a lower-dimensional space while preserving the underlying geometric structure. However, ISO...

  • Article
  • Open Access
1 Citations
819 Views
19 Pages

Prediction of Mine Pressure Behavior in Working Face Based on Vector Basis

  • Zhou Zhou,
  • Ming Ji,
  • Zhongguang Sun,
  • Guannan Liu,
  • Chuhan Wang,
  • Wenjing He and
  • Mengjiao Zhao

8 June 2025

The vector-based method is a technique that analyzes and processes data by vectoring them. It represents data points as multidimensional vectors that can be calculated and compared in a high-dimensional space. This method has significant advantages i...

  • Article
  • Open Access
5 Citations
2,843 Views
11 Pages

Voice Simulation: The Next Generation

  • Ingo R. Titze and
  • Jorge C. Lucero

18 November 2022

Simulation of the acoustics and biomechanics of sound production in humans and animals began half a century ago. The three major components are the mechanics of tissue under self-sustained oscillation, the transport of air from the lungs to the lips,...

  • Review
  • Open Access
3 Citations
3,891 Views
22 Pages

21 July 2023

High-dimensional measurement error data are becoming more prevalent across various fields. Research on measurement error regression models has gained momentum due to the risk of drawing inaccurate conclusions if measurement errors are ignored. When t...

  • Article
  • Open Access
6 Citations
3,679 Views
18 Pages

2 November 2022

As one of the important issues of multi-agent collaboration, the large-scale agents’ cooperative attack–defense evolution requires a large number of agents to make stress-effective strategies to achieve their goals in complex environments...

  • Article
  • Open Access
672 Views
17 Pages

27 April 2025

In this paper, we investigate closed-form meromorphic solutions of the fifth-order Sawada-Kotera (fSK) equation and (3+1)-dimensional generalized shallow water (gSW) equation. The study of high-order and high-dimensional differential equations is piv...

  • Article
  • Open Access
7 Citations
3,734 Views
22 Pages

In this paper, we evaluate American-style, path-dependent derivatives with an artificial intelligence technique. Specifically, we use swarm intelligence to find the optimal exercise boundary for an American-style derivative. Swarm intelligence is par...

  • Article
  • Open Access
258 Views
23 Pages

2 February 2026

Accurate joint estimation of heterogeneous hydraulic conductivity fields and time-varying contaminant source parameters in groundwater systems constitutes a challenging high-dimensional inverse problem, particularly under sparse observational conditi...

  • Article
  • Open Access
7 Citations
4,310 Views
14 Pages

11 April 2023

Higher-order dynamic mode decomposition (HODMD) has proved to be an efficient tool for the analysis and prediction of complex dynamical systems described by data-driven models. In the present paper, we propose a realization of HODMD that is based on...

  • Article
  • Open Access
3 Citations
3,301 Views
17 Pages

6 January 2021

Machine learning has been proven to be effective in various application areas, such as object and speech recognition on mobile systems. Since a critical key to machine learning success is the availability of large training data, many datasets are bei...

  • Article
  • Open Access
2,669 Views
12 Pages

5 December 2023

Radar data can be presented in various forms, unlike visible data. In the field of radar target recognition, most current work involves point cloud data due to computing limitations, but this form of data lacks useful information. This paper proposes...

  • Article
  • Open Access
4 Citations
3,089 Views
22 Pages

23 July 2020

High-dimensional variable selection is an important research topic in modern statistics. While methods using nonlocal priors have been thoroughly studied for variable selection in linear regression, the crucial high-dimensional model selection proper...

  • Article
  • Open Access
444 Views
13 Pages

10 December 2025

Identifying structural damage in high-dimensional systems remains a major challenge due to the curse of dimensionality and the inherent sparsity of real-world damage scenarios. Traditional Bayesian or optimization-based approaches often become comput...

  • Article
  • Open Access
3 Citations
1,796 Views
17 Pages

20 February 2024

In order to satisfy the requirements of modern online security assessment of power systems with continuously increasing complexity in terms of structure and scale, it is desirable to develop a power system dynamic security region (DSR) analysis. Howe...

  • Article
  • Open Access
1,589 Views
18 Pages

6 July 2025

Logistic regression is often used to solve classification problems. This article combines the advantages of Bayesian methods and spike-and-slab Lasso to select variables in high-dimensional logistic regression. The method of introducing a new hidden...

  • Article
  • Open Access
286 Views
18 Pages

A Multi-Key Homomorphic Scheme Based on Multivariate Polynomial Look-Up Tables Evaluation

  • Jiang Shen,
  • Ruwei Huang,
  • Lei Lei,
  • Junjie Wang and
  • Junbin Qiu

26 January 2026

Multi-key homomorphic encryption (MKHE) is crucial for secure collaborative computing, yet it suffers from high multiplicative depth and computational overhead during Look-Up Table (LUT) evaluations, particularly for large input domains. To address t...

  • Article
  • Open Access
4 Citations
2,597 Views
23 Pages

20 February 2023

In the present work, the general and well-known model reduction technique, PGD (Proper Generalized Decomposition), is used for parametric analysis of thermo-elasticity of FGMs (Functionally Graded Materials). The FGMs have important applications in s...

  • Article
  • Open Access
5 Citations
2,176 Views
22 Pages

19 October 2021

In this paper, an efficient localized meshless method based on the space–time Gaussian radial basis functions is discussed. We aim to deal with the left Riemann–Liouville space fractional derivative wave and damped wave equation in high-dimensional s...

  • Article
  • Open Access
1,167 Views
15 Pages

25 September 2024

Multiple-input multiple-output (MIMO) linear time-invariant (LTI) systems exhibit enormous computational costs for high-dimensional problems. To address this problem, we propose a novel approach for reducing the dimensionality of MIMO systems. The me...

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