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4,012 Results Found

  • Article
  • Open Access
7 Citations
2,865 Views
14 Pages

The Cuts Selection Method Based on Histogram Segmentation and Impact on Discretization Algorithms

  • Visnja Ognjenovic,
  • Vladimir Brtka,
  • Jelena Stojanov,
  • Eleonora Brtka and
  • Ivana Berkovic

11 May 2022

The preprocessing of data is an important task in rough set theory as well as in Entropy. The discretization of data as part of the preprocessing of data is a very influential process. Is there a connection between the segmentation of the data histog...

(This article belongs to the Special Issue Rough Set Theory and Entropy in Information Science)
  • Article
  • Open Access
9 Citations
2,791 Views
18 Pages

A Differential Evolutionary Influence Maximization Algorithm Based on Network Discreteness

  • Baojun Fu,
  • Jianpei Zhang,
  • Wenjing Li,
  • Meijing Zhang and ,
  • Yu He and
  • Qiujin Mao
  • + 1 author+ 0 author

7 July 2022

The influence maximization problem is designed to seek a set of nodes in a social network so that the set has the maximum information propagation capacity on the network. In response to the inefficiency of existing greedy algorithms and the low accur...

  • Article
  • Open Access
18 Citations
4,676 Views
17 Pages

18 April 2021

Due to the recent advance in the industrial Internet of Things (IoT) in manufacturing, the vast amount of data from sensors has triggered the need for leveraging such big data for fault detection. In particular, interpretable machine learning techniq...

(This article belongs to the Special Issue Machine Learning Applied to Sensor Data Analysis)
  • Article
  • Open Access
1,616 Views
19 Pages

Small-Size Algorithms for Quaternion Discrete Fourier Transform

  • Aleksandr Cariow and
  • Dorota Majorkowska-Mech

29 November 2024

The quaternion discrete Fourier transform (QDFT) is a powerful tool in modern digital signal processing, even though until recently this transformation seemed exotic. In recent years, quite a lot of publications have appeared devoted to effective way...

(This article belongs to the Section Electrical, Electronics and Communications Engineering)
  • Article
  • Open Access
5 Citations
3,123 Views
11 Pages

A Modification of the PBIL Algorithm Inspired by the CMA-ES Algorithm in Discrete Knapsack Problem

  • Maria Konieczka,
  • Alicja Poturała,
  • Jarosław Arabas and
  • Stanisław Kozdrowski

30 September 2021

The subject of this paper is the comparison of two algorithms belonging to the class of evolutionary algorithms. The first one is the well-known Population-Based Incremental Learning (PBIL) algorithm, while the second one, proposed by us, is a modifi...

(This article belongs to the Special Issue Advances in Intelligent System for Control and Complex Optimization Problems)
  • Article
  • Open Access
3 Citations
1,344 Views
23 Pages

28 February 2025

This paper proposes fast algorithms for odd-time and odd-frequency discrete Hartley transforms (DHTs) with normalization if the size of the input sequence ranges from 2 to 8. Fast algorithms for small-sized inputs can be included as modules in fast a...

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

12 August 2024

The maximal vertical distance (MVD) recursive algorithm, a novel approach for the optimal discretization of stress–strain material curves, is proposed. The algorithm simplifies the process of defining multilinear curves from material stress&nda...

(This article belongs to the Section Mechanical Engineering)
  • Article
  • Open Access
4 Citations
1,957 Views
20 Pages

2 May 2025

With the increasing scale of infrastructure projects in sectors such as hydraulics and transportation, coupled with the widespread adoption of anchorage support technologies, numerous rock slope anchorage systems have been established. This study pro...

(This article belongs to the Special Issue Novel Insights into Rock Mechanics and Geotechnical Engineering)
  • Article
  • Open Access
5 Citations
2,752 Views
18 Pages

Discrete cosine transforms (DCTs) are widely used in intelligent electronic systems for data storage, processing, and transmission. The popularity of using these transformations, on the one hand, is explained by their unique properties and, on the ot...

(This article belongs to the Special Issue Efficient Algorithms and Architectures for DSP Applications)
  • Article
  • Open Access
19 Citations
3,996 Views
18 Pages

A Bioinspired Test Generation Method Using Discretized and Modified Bat Optimization Algorithm

  • Bahman Arasteh,
  • Keyvan Arasteh,
  • Farzad Kiani,
  • Seyed Salar Sefati and ,
  • Octavian Fratu,
  • Simona Halunga and
  • Erfan Babaee Tirkolaee
  • + 2 authors+ 0 author

6 January 2024

The process of software development is incomplete without software testing. Software testing expenses account for almost half of all development expenses. The automation of the testing process is seen to be a technique for reducing the cost of softwa...

(This article belongs to the Section E2: Control Theory and Mechanics)
  • Article
  • Open Access
11 Citations
4,335 Views
27 Pages

A New Discrete Mycorrhiza Optimization Nature-Inspired Algorithm

  • Hector Carreon-Ortiz,
  • Fevrier Valdez and
  • Oscar Castillo

9 August 2022

This paper presents the discrete version of the Mycorrhiza Tree Optimization Algorithm (MTOA), using the Lotka–Volterra Discrete Equation System (LVDES) formed by the Predator–Prey, Cooperative and Competitive Models. The Discrete Mycorrh...

(This article belongs to the Special Issue Swarm Intelligence with Mathematical Fuzzy Logic for Computer Science in Real-World Applications)
  • Article
  • Open Access
1 Citations
1,431 Views
22 Pages

27 October 2023

The problem of finding the optimal open-loop control for discrete-time stochastic dynamical systems is considered. It is assumed that the initial conditions and external influences are random. The average value of the Bolza functional defined on indi...

(This article belongs to the Section Mathematical Analysis)
  • Article
  • Open Access
13 Citations
7,091 Views
17 Pages

11 July 2017

The Gottesman–Knill theorem established that stabilizer states and Clifford operations can be efficiently simulated classically. For qudits with odd dimension three and greater, stabilizer states and Clifford operations have been found to correspond...

(This article belongs to the Special Issue Quantum Information and Foundations)
  • Article
  • Open Access
3 Citations
3,174 Views
13 Pages

3 September 2021

In this article, we introduce a new discrete fractional transform for data sequences whose size is a composite number. The main kernels of the introduced transform are small-size discrete fractional Fourier transforms. Since the introduced transforma...

(This article belongs to the Special Issue Novel Technologies on Image and Signal Processing)
  • Systematic Review
  • Open Access
1 Citations
1,617 Views
37 Pages

24 March 2026

Quality–Diversity (QD) optimization has emerged as a distinctive paradigm in evolutionary computation, shifting the focus from identifying a single global optimum to illuminating a high-dimensional repertoire of elite solutions that jointly max...

(This article belongs to the Special Issue Diversity Metrics in Combinatorial Problems)
  • Article
  • Open Access
971 Views
23 Pages

Fast Discrete Krawtchouk Transform Algorithms for Short-Length Input Sequences

  • Marina Polyakova,
  • Aleksandr Cariow and
  • Janusz P. Papliński

8 October 2025

This paper presents new fast discrete Krawtchouk transform (DKT) algorithms for input sequences of length 3 to 8. Small-sized DKT algorithms can be utilized in image processing applications to extract local image features formed by a sliding spatial...

(This article belongs to the Section Circuit and Signal Processing)
  • Article
  • Open Access
6 Citations
2,814 Views
16 Pages

A Discrete Prey–Predator Algorithm for Cloud Task Scheduling

  • Doaa Abdulmoniem Abdulgader,
  • Adil Yousif and
  • Awad Ali

18 October 2023

Cloud computing is considered a key Internet technology. Cloud providers offer services through the Internet, such as infrastructure, platforms, and software. The scheduling process of cloud providers’ tasks concerns allocating clients’ t...

(This article belongs to the Special Issue Cloud Computing and Big Data Applications)
  • Article
  • Open Access
12 Citations
5,877 Views
13 Pages

Vectors are a key type of geospatial data, and their discretization, which involves solving the problem of generating a discrete line, is particularly important. In this study, we propose a method for constructing a discrete line mathematical model f...

  • Article
  • Open Access
2 Citations
4,516 Views
23 Pages

In this article, the fast algorithms for the discrete Tchebichef transform (DTT) are proposed for input sequences of lengths in the range from 3 to 8. At present, DTT is widely applied in signal processing, image compression, and video coding. The re...

  • Article
  • Open Access
1,146 Views
20 Pages

Fast Algorithms for the Small-Size Type IV Discrete Hartley Transform

  • Vitalii Natalevych,
  • Marina Polyakova and
  • Aleksandr Cariow

This paper presents new fast algorithms for the fourth type discrete Hartley transform (DHT-IV) for input data sequences of lengths from 3 to 8. Fast algorithms for small-sized trigonometric transforms can be used as building blocks for synthesizing...

(This article belongs to the Section Circuit and Signal Processing)
  • Article
  • Open Access
12 Citations
2,416 Views
10 Pages

The paper presents considerations concerning the transfer of random errors from the input to the output of the Discrete Wavelet Transform (DWT) algorithm. The concept of determining an uncertainty of its output data based on the probabilistic error d...

(This article belongs to the Section Circuit and Signal Processing)
  • Article
  • Open Access
10 Citations
3,606 Views
13 Pages

3 August 2021

Optimization techniques keep road performance at a good level using a cost-effective maintenance strategy. Thus, the trade-off between cost and road performance is a multi-objective function. This paper offers a new multi-objective stochastic algorit...

(This article belongs to the Topic Applied Metaheuristic Computing)
  • Article
  • Open Access
8 Citations
1,846 Views
19 Pages

23 October 2024

Fast algorithms for type-five discrete cosine transform (DCT-V) for sequences of input data of short length in the range of two to eight are elaborated in the paper. A matrix–vector product representation of the DCT-V is the starting point for...

  • Article
  • Open Access
4 Citations
2,305 Views
20 Pages

2 November 2022

The total heat exchange factor is one of the most important thermal physical parameters in the heat transfer model for a reheating furnace machine. In this paper, a novel general strategy, which is combined with the first-optimize-then-discretize (FO...

(This article belongs to the Special Issue Partial Differential Equations and Applications)
  • Article
  • Open Access
599 Views
21 Pages

23 April 2026

The multi-finger robotic hand offers great potential for precise control due to its high degrees of freedom. Yet, manipulating objects forms a closed-chain kinematic system, which compounds the dimensionality and computational complexity of trajector...

(This article belongs to the Special Issue Mathematical Methods for Intelligent Robotic Control and Design)
  • Article
  • Open Access
47 Citations
6,246 Views
27 Pages

DMFO-CD: A Discrete Moth-Flame Optimization Algorithm for Community Detection

  • Mohammad H. Nadimi-Shahraki,
  • Ebrahim Moeini,
  • Shokooh Taghian and
  • Seyedali Mirjalili

28 October 2021

In this paper, a discrete moth–flame optimization algorithm for community detection (DMFO-CD) is proposed. The representation of solution vectors, initialization, and movement strategy of the continuous moth–flame optimization are purposely adapted i...

(This article belongs to the Special Issue Network Science: Algorithms and Applications)
  • Article
  • Open Access
14 Citations
3,822 Views
20 Pages

15 September 2022

A growing number of researchers are interested in deploying unmanned surface vehicles (USVs) in support of ocean environmental monitoring. To accomplish these missions efficiently, multiple-waypoint path planning strategies for survey USVs are still...

(This article belongs to the Section Marine Environmental Science)
  • Article
  • Open Access
4 Citations
5,326 Views
16 Pages

A Universal Generating Algorithm of the Polyhedral Discrete Grid Based on Unit Duplication

  • Li Meng,
  • Xiaochong Tong,
  • Shuaibo Fan,
  • Chengqi Cheng and ,
  • Bo Chen,
  • Weiming Yang and
  • Kaihua Hou
  • + 2 authors+ 0 author

Based on the analysis of the problems in the generation algorithm of discrete grid systems domestically and abroad, a new universal algorithm for the unit duplication of a polyhedral discrete grid is proposed, and its core is “simple unit repli...

(This article belongs to the Special Issue GIS Software and Engineering for Big Data)
  • Article
  • Open Access
4 Citations
1,283 Views
27 Pages

This paper investigates discrete-time distributed optimization for multi-agent systems (MASs) with time-varying objective functions. A novel fully distributed event-triggered discrete-time zeroing neural network (ET-DTZNN) algorithm is proposed to ad...

(This article belongs to the Section Systems & Control Engineering)
  • Article
  • Open Access
6 Citations
2,992 Views
12 Pages

A Discrete-Time Fractional-Order Flocking Control Algorithm of Multi-Agent Systems

  • Haotian Chen,
  • Ming He,
  • Wei Han,
  • Sicong Liu and
  • Chenyue Wei

In this paper, a discrete-time fractional flocking control algorithm of multi-agent systems is put forward to address the slow convergence issue of multi-agent systems. Firstly, by introducing Grünwald-Letnikov (G-L) fractional derivatives, the...

(This article belongs to the Special Issue Advances in Fractional-Order Multiagent Systems: Theory and Applications)
  • Article
  • Open Access
8 Citations
1,796 Views
20 Pages

19 April 2024

This paper presents an error model of a measurement chain containing a link that executes a discrete wavelet transform algorithm, which is most often the last stage of measurement signal processing. The goal is to determine the uncertainty budget of...

(This article belongs to the Topic Uncertainty Quantification in Design, Manufacturing and Maintenance of Complex Systems)
  • Article
  • Open Access
124 Citations
4,154 Views
24 Pages

Image Encryption Algorithm Based on Plane-Level Image Filtering and Discrete Logarithmic Transform

  • Wei Feng,
  • Xiangyu Zhao,
  • Jing Zhang,
  • Zhentao Qin and ,
  • Junkun Zhang and
  • Yigang He
  • + 1 author+ 0 author

3 August 2022

Image encryption is an effective way to protect image data. However, existing image encryption algorithms are still unable to strike a good balance between security and efficiency. To overcome the shortcomings of these algorithms, an image encryption...

(This article belongs to the Special Issue Mathematical Methods for Computer Science)
  • Article
  • Open Access
2,379 Views
13 Pages

8 November 2022

The shielding calculation of neutron streaming problems with ducts is characterized by the strong anisotropy of angular flux, which poses a challenge for the analysis of nuclear installations. The discrete ordinate method is one of the most commonly...

(This article belongs to the Special Issue Mathematics and Computational Methods in Nuclear Energy Technology)
  • Article
  • Open Access
1 Citations
1,875 Views
31 Pages

A Heuristics-Guided Simplified Discrete Harmony Search Algorithm for Solving 0-1 Knapsack Problem

  • Fuyuan Zheng,
  • Kanglong Cheng,
  • Kai Yang,
  • Ning Li and ,
  • Yu Lin and
  • Yiwen Zhong
  • + 1 author+ 0 author

19 May 2025

The harmony search (HS) algorithm is a novel metaheuristic which has been widely used to solve both continuous and discrete optimization problems. In order to improve the performance and simplify the implementation of the HS algorithm for solving the...

(This article belongs to the Section Algorithms for Multidisciplinary Applications)
  • Article
  • Open Access
22 Citations
5,642 Views
21 Pages

A Self-Adaptive Discrete PSO Algorithm with Heterogeneous Parameter Values for Dynamic TSP

  • Łukasz Strąk,
  • Rafał Skinderowicz,
  • Urszula Boryczka and
  • Arkadiusz Nowakowski

27 July 2019

This paper presents a discrete particle swarm optimization (DPSO) algorithm with heterogeneous (non-uniform) parameter values for solving the dynamic traveling salesman problem (DTSP). The DTSP can be modeled as a sequence of static sub-problems, eac...

(This article belongs to the Special Issue Unconventional Methods for Particle Swarm Optimization)
  • Article
  • Open Access
1 Citations
3,022 Views
14 Pages

Delay Bound Optimization in NoC Using a Discrete Firefly Algorithm

  • Gaoming Du,
  • Chao Tian,
  • Zhenmin Li,
  • Duoli Zhang and ,
  • Chuan Zhang,
  • Xiaolei Wang and
  • Yongsheng Yin
  • + 2 authors+ 0 author

9 December 2019

The delay bound in system on chips (SoC) represents the worst-case traverse time of on-chip communication. In network on chip (NoC)-based SoC, optimizing the delay bound is challenging due to two aspects: (1) the delay bound is hard to obtain by trad...

(This article belongs to the Section Computer Science & Engineering)
  • Article
  • Open Access
15 Citations
3,389 Views
30 Pages

Farmer Ants Optimization Algorithm: A Novel Metaheuristic for Solving Discrete Optimization Problems

  • Ali Asghari,
  • Mahdi Zeinalabedinmalekmian,
  • Hossein Azgomi,
  • Mahmoud Alimoradi and
  • Shirin Ghaziantafrishi

6 March 2025

Currently, certain complex issues are classified as NP-hard problems, for which there is no exact solution, or they cannot be solved in a reasonable amount of time. As a result, metaheuristic algorithms have been developed as an alternative. These al...

(This article belongs to the Special Issue Intelligent Information Technology)
  • Feature Paper
  • Article
  • Open Access
1 Citations
3,450 Views
17 Pages

19 August 2019

In this paper, a linearized discrete charge balance (LDCB) control strategy is proposed for buck converter operating in discontinuous conduction mode (DCM). For DC-DC power converters, discrete charge balance (DCB) control is an attractive approach t...

  • Article
  • Open Access
2,816 Views
25 Pages

16 February 2024

Additive manufacturing technologies such as directed energy deposition use powder as their raw material, and it must be deposited in a precise and controlled manner. Venturi injectors could be a solution for the highly precise transport of particulat...

(This article belongs to the Special Issue Design and Application of Additive Manufacturing: Volume II)
  • Article
  • Open Access
12 Citations
3,110 Views
23 Pages

7 October 2023

Berth allocation is a critical concern in container terminal port logistics, involving the precise determination of where and when arriving vessels should dock along a quay. With berth space limitations and a continuous surge in container handling de...

(This article belongs to the Special Issue Recent Scientific Developments in Port Logistics)
  • Article
  • Open Access
17 Citations
8,985 Views
16 Pages

Lattice Quad-Tree Indexing Algorithm for a Hexagonal Discrete Global Grid System

  • Jianbin Zhou,
  • Jin Ben,
  • Rui Wang,
  • Mingyang Zheng and
  • Lingyu Du

Hexagonal discrete global grid systems are the preferred data models supporting multisource geospatial information fusion. Related research has aroused widespread concern in the academic community, and hierarchical indexing algorithms are one of the...

(This article belongs to the Special Issue Global Grid Systems)
  • Article
  • Open Access
21 Citations
5,336 Views
24 Pages

An Enhanced Discrete Symbiotic Organism Search Algorithm for Optimal Task Scheduling in the Cloud

  • Suleiman Sa’ad,
  • Abdullah Muhammed,
  • Mohammed Abdullahi,
  • Azizol Abdullah and
  • Fahrul Hakim Ayob

30 June 2021

Recently, cloud computing has begun to experience tremendous growth because government agencies and private organisations are migrating to the cloud environment. Hence, having a task scheduling strategy that is efficient is paramount for effectively...

(This article belongs to the Section Parallel and Distributed Algorithms)
  • Article
  • Open Access
49 Citations
5,015 Views
17 Pages

1 August 2019

The flexible job shop scheduling problem (FJSP) is a difficult discrete combinatorial optimization problem, which has been widely studied due to its theoretical and practical significance. However, previous researchers mostly emphasized on the produc...

(This article belongs to the Special Issue Evolutionary Computation and Mathematical Programming)
  • Article
  • Open Access
4 Citations
1,360 Views
23 Pages

24 December 2025

Quantum watermarking is a technique that embeds specific information into a quantum carrier for the purpose of digital copyright protection. In this paper, we propose a novel color image watermarking algorithm that integrates quantum discrete wavelet...

(This article belongs to the Section A: Computer Science)
  • Article
  • Open Access
20 Citations
3,389 Views
29 Pages

Random Maximum 2 Satisfiability Logic in Discrete Hopfield Neural Network Incorporating Improved Election Algorithm

  • Vikneswari Someetheram,
  • Muhammad Fadhil Marsani,
  • Mohd Shareduwan Mohd Kasihmuddin,
  • Nur Ezlin Zamri and ,
  • Siti Syatirah Muhammad Sidik,
  • Siti Zulaikha Mohd Jamaludin and
  • Mohd. Asyraf Mansor
  • + 2 authors+ 0 author

13 December 2022

Real life logical rule is not always satisfiable in nature due to the redundant variable that represents the logical formulation. Thus, the intelligence system must be optimally governed to ensure the system can behave according to non-satisfiable st...

(This article belongs to the Section E1: Mathematics and Computer Science)
  • Article
  • Open Access
33 Citations
7,157 Views
38 Pages

21 November 2022

The flexible job shop scheduling problem (FJSP) is of great importance for realistic manufacturing, and the problem has been proven to be NP-hard (non-deterministic polynomial time) because of its high computational complexity. To optimize makespan a...

(This article belongs to the Section Advanced Manufacturing)
  • Article
  • Open Access
18 Citations
3,778 Views
16 Pages

6 October 2019

Recently, many related algorithms have been proposed to find an efficient wireless sensor network with good sustainability, a stable connection, and a high covering rate. To further improve the coverage rate of movable wireless sensor networks under...

(This article belongs to the Special Issue Smart Sensing: Leveraging AI for Sensing)
  • Article
  • Open Access
3 Citations
2,649 Views
17 Pages

23 July 2024

Algorithms for training agents with experience replay have advanced in several domains, primarily because prioritized experience replay (PER) developed from the double deep Q-network (DDQN) in deep reinforcement learning (DRL) has become a standard....

(This article belongs to the Section B: Mathematics)
  • Article
  • Open Access
8 Citations
4,022 Views
22 Pages

BSDR: A Data-Efficient Deep Learning-Based Hyperspectral Band Selection Algorithm Using Discrete Relaxation

  • Mohammad Rahman,
  • Shyh Wei Teng,
  • Manzur Murshed,
  • Manoranjan Paul and
  • David Brennan

4 December 2024

Hyperspectral band selection algorithms are crucial for processing high-dimensional data, which enables dimensionality reduction, improves data analysis, and enhances computational efficiency. Among these, attention-based algorithms have gained promi...

(This article belongs to the Special Issue Spectral Detection Technology, Sensors and Instruments, 2nd Edition)
  • Article
  • Open Access
1 Citations
1,591 Views
20 Pages

Development of a Discrete Algorithm for Interpreting Ground-Penetrating Radar Data in Vertically Heterogeneous Media

  • Kazizat Iskakov,
  • Almaz Tatin,
  • Natalya Glazyrina,
  • Ainur Kussainova and ,
  • Nurgul Uzakkyzy and
  • Kakim Sagindykov
  • + 1 author+ 0 author

23 June 2025

This study presents the development of a discrete algorithm for interpreting ground-penetrating radar (GPR) data in vertically inhomogeneous media for the diagnostics of road structures. Experimental data were obtained using an OKO-2 GPR system, foll...

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