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Algorithms, Volume 18, Issue 7

2025 July - 78 articles

Cover Story: We show how path planning algorithms can be enhanced with situational detail to include the peculiarities of individualized factors that connect people to space. This is useful in facility design software, where a physical design plan is known, but how people, groups, and crowds might contextually embody to the space is not. We show that the algorithmic expansion of well-known planning algorithms using node-based architectures that include individualized perspectives when and where needed in a hyper-localized (human) enacted situational context can be nested within physical (design) site considerations. We demonstrate a proof-of-concept for use in the Unity 3D modeling platform. View this paper
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Articles (78)

  • Review
  • Open Access
36 Citations
6,491 Views
30 Pages

30 June 2025

In recent years, cutting-edge technologies, such as artificial intelligence (AI), blockchain, and digital twin (DT), have revolutionized the healthcare sector by enhancing public health and treatment quality through precise diagnosis, preventive meas...

(This article belongs to the Section Algorithms and Mathematical Models for Computer-Assisted Diagnostic Systems)
  • Article
  • Open Access
2 Citations
2,576 Views
22 Pages

29 June 2025

In the obstacle grid map, due to the limitations in search direction imposed by classical path algorithms and meta-heuristic algorithms, the shortest paths are not the true shortest paths (TSPs) but rather the shortest grid paths (SGPs). This paper i...

(This article belongs to the Section Combinatorial Optimization, Graph, and Network Algorithms)
  • Article
  • Open Access
2 Citations
1,851 Views
31 Pages

Inspiring from Galaxies to Green AI in Earth: Benchmarking Energy-Efficient Models for Galaxy Morphology Classification

  • Vasileios Alevizos,
  • Emmanouil V. Gkouvrikos,
  • Ilias Georgousis,
  • Sotiria Karipidou and
  • George A. Papakostas

28 June 2025

Recent advancements in space exploration have significantly increased the volume of astronomical data, heightening the demand for efficient analytical methods. Concurrently, the considerable energy consumption of machine learning (ML) has fostered th...

(This article belongs to the Section Evolutionary Algorithms and Machine Learning)
  • Article
  • Open Access
2 Citations
1,519 Views
64 Pages

28 June 2025

The Gaining–Sharing Knowledge-based (GSK) algorithm is a human-inspired metaheuristic that models how people learn and disseminate knowledge across their lifetime. It has shown promising results across a range of engineering optimization proble...

(This article belongs to the Special Issue Engineering Applications of Optimization Algorithms: Heuristics, Metaheuristics, and Hyperheuristics)
  • Article
  • Open Access
5 Citations
3,206 Views
19 Pages

RU-OLD: A Comprehensive Analysis of Offensive Language Detection in Roman Urdu Using Hybrid Machine Learning, Deep Learning, and Transformer Models

  • Muhammad Zain,
  • Nisar Hussain,
  • Amna Qasim,
  • Gull Mehak and ,
  • Fiaz Ahmad,
  • Grigori Sidorov and
  • Alexander Gelbukh
  • + 2 authors+ 0 author

28 June 2025

The detection of abusive language in Roman Urdu is important for secure digital interaction. This work investigates machine learning (ML), deep learning (DL), and transformer-based methods for detecting offensive language in Roman Urdu comments colle...

(This article belongs to the Topic Applications of NLP, AI, and ML in Software Engineering)
  • Article
  • Open Access
2 Citations
1,399 Views
26 Pages

Algorithms for Simulation of Shunt Currents in a Vanadium Redox Flow Battery

  • Decebal Aitor Ispas-Gil,
  • Ekaitz Zulueta,
  • Javier Olarte and
  • Jose Manuel Lopez-Guede

28 June 2025

This paper presents an algorithm for the implementation of a model that calculates shunt currents in redox flow batteries. The formation patterns of the equivalent electrical circuit that models shunt currents in redox flow batteries are analyzed in...

(This article belongs to the Section Algorithms for Multidisciplinary Applications)
  • Article
  • Open Access
2 Citations
6,680 Views
59 Pages

27 June 2025

Visual simultaneous localization and mapping (Visual SLAM) based on RGB-D image data includes two main tasks: One is to build an environment map, and the other is to simultaneously track the position and movement of visual odometry estimation (VOE)....

  • Article
  • Open Access
3 Citations
1,244 Views
30 Pages

27 June 2025

This paper introduces a Gegenbauer-based fractional approximation (GBFA) method for high-precision approximation of the left Riemann–Liouville fractional integral (RLFI). By using precomputable fractional-order shifted Gegenbauer integration ma...

(This article belongs to the Collection Feature Papers in Randomized, Online and Approximation Algorithms)
  • Article
  • Open Access
1 Citations
2,291 Views
16 Pages

A Unified Framework for Recognizing Dynamic Hand Actions and Estimating Hand Pose from First-Person RGB Videos

  • Jiayi Yang,
  • Jiao Liang,
  • Huimin Pan,
  • Yuting Cai and ,
  • Quanli Gao and
  • Xihan Wang
  • + 1 author+ 0 author

27 June 2025

Recognizing hand actions and poses from first-person RGB videos is crucial for applications like human–computer interaction. However, the recognition accuracy is often affected by factors such as occlusion and blurring. In this study, we propos...

(This article belongs to the Special Issue Modern Algorithms for Image Processing and Computer Vision)
  • Article
  • Open Access
2 Citations
3,494 Views
27 Pages

PI-DÆ: An Adaptive PID Controller Utilizing a New Adaptive Exponent (Æ) Algorithm to Solve Derivative Term Issues

  • Juan M. Barrera-Fernández,
  • Juan Pablo Manzo Hernández,
  • Kevin Miramontes Escobedo,
  • Alberto Vázquez-Cervantes and
  • Julio-César Solano-Vargas

27 June 2025

This study proposes an enhanced derivative control strategy, named PI-DÆ, designed to overcome key limitations of the derivative (D) term, such as noise amplification, derivative kick (D-k), and tuning difficulties. These issues often arise in...

(This article belongs to the Special Issue Algorithmic Approaches to Control Theory and System Modeling)
  • Article
  • Open Access
1 Citations
3,684 Views
12 Pages

Bottlenose Dolphins’ Clicks Comply with Three Laws of Efficient Communication

  • Arthur Stepanov,
  • Hristo Zhivomirov,
  • Ivaylo Nedelchev,
  • Todor Ganchev and
  • Penka Stateva

27 June 2025

Bottlenose dolphins’ broadband click vocalisations are well-studied in the literature concerning their echolocation function. Their potential use for communication among conspecifics has long been speculated but has yet to be conclusively estab...

(This article belongs to the Collection Feature Papers in Algorithms)
  • Article
  • Open Access
3 Citations
2,201 Views
20 Pages

Assessment of Affordable Real-Time PPP Solutions for Transportation Applications

  • Mohamed Abdelazeem,
  • Amgad Abazeed,
  • Abdulmajeed Alsultan and
  • Amr M. Wahaballa

26 June 2025

With the availability of multi-frequency, multi-constellation global navigation satellite system (GNSS) modules, precise transportation applications have become attainable. For transportation applications, GNSS geodetic-grade receivers can achieve an...

(This article belongs to the Section Analysis of Algorithms and Complexity Theory)
  • Article
  • Open Access
1 Citations
2,539 Views
34 Pages

Situationally Sensitive Path Planning

  • Paul M. Torrens,
  • Ryan Kim and
  • Kaishuu Shinozaki-Conefrey

26 June 2025

We examine how site-based path planning algorithms for enclosed spaces can be enhanced with situational detail. Addressing this question has led to value propositions in facility design, where there is often a call to match, map, and merge infrastruc...

(This article belongs to the Special Issue Algorithms for Smart Cities (2nd Edition))
  • Article
  • Open Access
4 Citations
1,362 Views
35 Pages

26 June 2025

Fractional calculus plays a central role in modeling memory-dependent processes and complex dynamics across various fields, including control theory, fluid mechanics, and bioengineering. This study introduces an efficient and stable fractional-order...

(This article belongs to the Special Issue AI and Computational Methods in Engineering and Science)
  • Article
  • Open Access
4 Citations
1,515 Views
19 Pages

An Enhanced Error-Adaptive Extended-State Kalman Filter Model Predictive Controller for Supercritical Power Plants

  • Gang Chen,
  • Shan Hua,
  • Changhao Fan,
  • Chun Wang and ,
  • Shuchong Wang and
  • Li Sun
  • + 1 author+ 0 author

26 June 2025

This study introduces an Enhanced Error-Adaptive Extended-State Kalman Filter Model Predictive Control (EEA-ESKF-MPC) method to tackle strong coupling and inertia in supercritical power plants. By enhancing the ESKF-MPC framework with a mechanism tha...

(This article belongs to the Section Algorithms for Multidisciplinary Applications)
  • Article
  • Open Access
2 Citations
4,971 Views
31 Pages

25 June 2025

Tree-width and path-width are well-known graph parameters. Many NP-hard graph problems admit polynomial-time solutions when restricted to graphs of bounded tree-width or bounded path-width. In this work, we study the behavior of tree-width and path-w...

(This article belongs to the Special Issue Graph and Hypergraph Algorithms and Applications)
  • Review
  • Open Access
13 Citations
18,577 Views
52 Pages

25 June 2025

In this survey, we provide a comprehensive classification of GPU task scheduling approaches, categorized by their underlying algorithmic techniques and evaluation metrics. We examine traditional methods—including greedy algorithms, dynamic prog...

(This article belongs to the Collection Parallel and Distributed Computing: Algorithms and Applications)
  • Article
  • Open Access
1 Citations
1,360 Views
26 Pages

Comparative Analysis of Artificial Neural Networks and Evolutionary Algorithms in DEA-β-MSV Portfolio Optimization

  • Abdelouahed Hamdi,
  • Arezou Karimi,
  • Farshid Mehrdoust and
  • Samir Brahim Belhaouari

24 June 2025

This paper proposes a hybrid methodology for portfolio optimization by integrating the data envelopment analysis (DEA) model with the mean semivariance (MSV) framework. The goal is to construct portfolios that achieve targeted returns while minimizin...

(This article belongs to the Special Issue Swarm Intelligence and Evolutionary Algorithms for Real World Applications)
  • Article
  • Open Access
1,070 Views
17 Pages

Spatiotemporal Contextual 3D Semantic Segmentation for Intelligent Outdoor Mining

  • Wenhao Yang,
  • Liqun Kuang,
  • Song Wang,
  • Xie Han and ,
  • Rong Guo,
  • Yongpeng Wang,
  • Haifeng Yue and
  • Tao Wei
  • + 3 authors+ 0 author

24 June 2025

Three-dimensional semantic segmentation plays a crucial role in accurately identifying terrain features and objects by effectively extracting 3D spatial information from the environment. However, the inherent sparsity of point clouds and unclear terr...

  • Article
  • Open Access
1 Citations
2,241 Views
16 Pages

Time Management in Wireless Sensor Networks for Industrial Process Control

  • Andrei Rusu,
  • Petru Dobra,
  • Mihai Hulea and
  • Radu Miron

24 June 2025

This paper addresses the critical challenge of time management in wireless sensor networks (WSNs) applied to industrial process control. Although wireless technologies have gained ground in industrial monitoring, their adoption in control application...

(This article belongs to the Section Algorithms for Multidisciplinary Applications)
  • Article
  • Open Access
5 Citations
1,284 Views
29 Pages

Hestenes–Stiefel-Type Conjugate Direction Algorithm for Interval-Valued Multiobjective Optimization Problems

  • Rupesh Krishna Pandey,
  • Balendu Bhooshan Upadhyay,
  • Subham Poddar and
  • Ioan Stancu-Minasian

23 June 2025

This article investigates a class of interval-valued multiobjective optimization problems (IVMOPs). We define the Hestenes–Stiefel (HS)-type direction for the objective function of IVMOPs and establish that it has a descent property at noncriti...

(This article belongs to the Special Issue Multi-Objective and Multi-Level Optimization: Algorithms and Applications (2nd Edition))
  • Article
  • Open Access
1,200 Views
28 Pages

23 June 2025

Robust visual perception and geometric alignment are crucial for intelligent automation in various domains, such as industrial processes and infrastructure monitoring. Accurately aligning structured visual elements, such as floor markings or road-mar...

(This article belongs to the Special Issue Data-Driven Intelligent Modeling and Optimization Algorithms for Industrial Processes: 2nd Edition)
  • Article
  • Open Access
1 Citations
1,303 Views
22 Pages

23 June 2025

Plateau hypoxia represents a type of hypobaric hypoxia caused by reduced atmospheric pressure at high altitudes. Pressurization therapy is one of the most effective methods for alleviating acute high-altitude sickness. This study focuses on the devel...

(This article belongs to the Special Issue Algorithmic Approaches to Control Theory and System Modeling)
  • Article
  • Open Access
1 Citations
1,722 Views
18 Pages

AetherGeo: A Spectral Analysis Interface for Geologic Mapping

  • Gonçalo Santos,
  • Joana Cardoso-Fernandes and
  • Ana C. Teodoro

21 June 2025

AetherGeo is a standalone piece of software (current version 1.0) that aims to enable the user to analyze raster data, with a special focus on processing multi- and hyperspectral images. Being developed in Python 3.12.4, this application is a free, o...

(This article belongs to the Section Algorithms for Multidisciplinary Applications)
  • Article
  • Open Access
4 Citations
2,129 Views
18 Pages

20 June 2025

Blood pressure is a vital indicator of cardiovascular health and plays a crucial role in the early detection and management of heart-related diseases. However, current practices for recording blood pressure readings are still largely manual, leading...

(This article belongs to the Special Issue Advancements in Signal Processing and Machine Learning for Healthcare)
  • Article
  • Open Access
2 Citations
2,295 Views
18 Pages

Plugging Small Models in Large Language Models for POI Recommendation in Smart Tourism

  • Hong Zheng,
  • Zhenhui Xu,
  • Qihong Pan,
  • Zhenzhen Zhao and
  • Xiangjie Kong

20 June 2025

Point-of-interest (POI) recommendation is a crucial task in location-based social networks, especially for enhancing personalized travel experiences in smart tourism. Recently, large language models (LLMs) have demonstrated significant potential in t...

(This article belongs to the Special Issue Data-Driven Intelligent Modeling and Optimization Algorithms for Industrial Processes: 2nd Edition)
  • Article
  • Open Access
1 Citations
1,495 Views
20 Pages

Plane Frame Structures: Optimization and Design Solutions Clustering

  • Joana S. D. Gaspar,
  • Maria A. R. Loja and
  • Joaquim I. Barbosa

20 June 2025

This work aims to constitute a framework dataflow based on the prediction, optimization, and characterization of optimal solutions. To this purpose, a metaheuristic optimization method is used to obtain the optimal design solutions for discrete plane...

(This article belongs to the Special Issue Bio-Inspired Algorithms: 2nd Edition)
  • Article
  • Open Access
1 Citations
1,963 Views
25 Pages

20 June 2025

The optimization of computational algorithms is one of the main problems of computational mathematics. This optimization is well demonstrated by the example of the theory of quadrature and cubature formulas. It is known that the numerical integration...

(This article belongs to the Section Analysis of Algorithms and Complexity Theory)

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Algorithms - ISSN 1999-4893