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Crack the Code: Advanced Method Enhances Train Rivet Inspection

This study proposes an innovative method for detecting cracks in train rivets using fluorescent magnetic particle detection (FMPFD) and instance segmentation, achieving high accuracy and recall. By enhancing the YOLOv5 algorithm and developing a single coil non-contact magnetization device, the researchers achieved significant improvements in crack detection.

17 May 2024

Socioeconomic Dynamics in Ridesourcing Markets

Researchers delve into the complex interplay between socioeconomic inequality, platform profit, and societal welfare in ridesourcing markets through an agent-based simulation model. Their study reveals how disparities drive market dynamics, impacting both travelers and drivers, and highlights the need for nuanced consideration of these factors in shaping the future of ridesourcing economies.

7 Apr 2024

Solar-Powered Hybrid EV Charging Station Design

Researchers present a 4-kW hybrid EV charging station integrating solar power and battery energy storage, offering sustainable, uninterrupted charging while reducing reliance on fossil fuels. Through simulations and performance evaluations, the system demonstrates efficient grid interaction, scalability, and potential for broader adoption, promoting a greener future for transportation.

3 Apr 2024

Enhanced Land Cover Classification in Remote Sensing

Chinese researchers introduce a groundbreaking deep inverse convolutional neural network approach tailored for land cover remote sensing images. This novel method effectively addresses data imbalance, significantly improving classification accuracy and precision, with potential applications in urban planning, agriculture, and environmental monitoring.

2 Apr 2024

NSO-VFC in Internet of Vehicles: Securing the Road Ahead

This article delves into the innovative approach of Network Security Offloading in Vehicle-to-Fog-to-Cloud (NSO-VFC), proposed by researchers from Islamic Azad University, Iran, to address the crucial challenge of securing data offloading in the Internet of Vehicles (IoV) within a fog-cloud federation. By leveraging fog computing and incorporating features such as nonce-based authentication and session key generation, NSO-VFC promises to enhance security, communication performance, and cost-efficiency in IoV environments, paving the way for safer roads, efficient traffic management, and improved environmental monitoring.

14 Mar 2024

Deep Learning and Bayesian Regularization for Urban Planning

Researchers from South Korea and China present a pioneering approach in Scientific Reports, showcasing how deep learning techniques, coupled with Bayesian regularization and graphical analysis, revolutionize urban planning and smart city development. By integrating advanced computational methods, their study offers insights into traffic prediction, urban infrastructure optimization, data privacy, and safety and security, paving the way for more efficient, sustainable, and livable urban environments.

8 Mar 2024

Novel Algorithm for Accurate Weather Monitoring and Enhancing Highway Safety

Researchers presented an innovative algorithm combining frequency and spatial domain techniques to monitor severe weather conditions on highways effectively. Utilizing image processing methods, the algorithm accurately identified rainy days and assessed rainfall intensity, demonstrating its potential to enhance road traffic safety by distinguishing between weather conditions. While successful in daytime monitoring, limitations exist for nighttime data, highlighting areas for future research to address and improve the model's capabilities.

4 Mar 2024

Hierarchical Reinforcement Learning Enhances Multi-UAV Air Combat

Chinese researchers propose a novel approach combining hierarchical reinforcement learning with experience decomposition to boost decision-making efficiency for multiple unmanned aerial vehicles (UAVs) in air combat. Tested and validated using simulation platforms, their method outperforms baseline algorithms, showcasing superior win rates, convergence speed, and stability, promising advancements in UAV-based combat decision-making technologies.

1 Mar 2024

AI-Driven Framework for Real-Time Crash Risk Forecasting at Intersections

Researchers present a cutting-edge framework for real-time crash risk estimation and prediction at signalized intersections, leveraging artificial intelligence and traffic conflict data. By integrating a non-stationary generalized extreme value model and a recurrent neural network, the framework offers proactive insights for safety management and countermeasure implementation, demonstrating high accuracy and potential for real-world applications.

29 Feb 2024

Hierarchical Federated Learning for Smart City AIoT Systems

Researchers introduce a hierarchical federated learning framework tailored for large-scale AIoT systems in smart cities. By integrating cloud, edge, and fog computing layers and leveraging the MQTT protocol, the framework addresses data privacy and communication latency challenges, demonstrating enhanced scalability and efficiency. Experimental validation in Docker environments confirms the framework's feasibility and performance improvements, laying the foundation for future optimizations.

29 Feb 2024

Optimizing Content Caching in Vehicular Networks: A Gale–Shapley Approach

Researchers proposed a novel content caching scheme for fog nodes in 5G-enabled vehicular networks, utilizing a modified Gale–Shapley algorithm to optimize content placement based on the preferences of content providers and vehicles. Their approach effectively reduced content downloading time, improved quality of service, and ensured fair and efficient content placement by considering factors such as content popularity, vehicle connectivity, and channel quality.

21 Feb 2024

Optimizing Electric Vehicle Power: A Novel Energy Management Strategy

Researchers present an innovative energy management strategy (EMS) for electric vehicles (EVs), combining slap swarm optimization and differential flatness control to enhance performance and reliability. The proposed EMS efficiently coordinates power flow among battery, supercapacitor, and motor components, stabilizing voltage, reducing harmonics, and meeting power demand, promising improved EV efficiency and driving range while reducing greenhouse gas emissions.

18 Feb 2024

Low-Carbon Transformation in Resource-Based Cities by Integrating ChatGPT and ABC Algorithms

Researchers propose a novel approach utilizing ChatGPT and artificial bee colony (ABC) algorithms to advance low-carbon transformation in resource-based cities. Their study demonstrates significant improvements in energy efficiency, carbon emissions reduction, and traffic congestion alleviation, highlighting the potential of these methods in promoting green development and sustainable urban planning.

15 Feb 2024

Advancing Multi-Vehicle Dial-a-Ride Problems with Enhanced Deterministic Annealing Algorithm

This paper introduces an innovative Linearly Decreasing Deterministic Annealing (LD-DA) algorithm tailored for large-scale Multi-Vehicle Dial-a-Ride Problems (DARPs). By incorporating advanced local search techniques and a linearly decreasing annealing schedule, LD-DA ensures efficient exploration of feasible solution spaces, yielding competitive solutions at accelerated convergence rates. Extensive computational experiments demonstrate LD-DA's superiority over existing algorithms, highlighting its potential for real-world applications in transportation optimization.

15 Feb 2024

Improved Analysis of Highway Construction Safety Incidents Using AI

This study in the journal Applied Sciences utilizes large language models (LLMs) and artificial intelligence (AI) to analyze textual narratives from the Occupational Safety and Health Administration (OSHA) severe injury reports (SIR) database related to highway construction accidents. By employing LLMs such as GPT-3.5, along with natural language processing (NLP) techniques and clustering algorithms, the researchers identified major accident causes and types, providing valuable insights for improving accident prevention and intervention strategies in the industry.

14 Feb 2024

AI-Driven Virtual Rehabilitation: Revolutionizing Home-Based Care

"npj Digital Medicine" presents a scoping review on AI applications in home-based virtual rehabilitation (VRehab), showing its effectiveness in stroke, cardiac, and orthopedic rehabilitation. AI-driven VRehab offers personalized feedback, enhances patient outcomes, and overcomes barriers to traditional rehabilitation, heralding a new era in accessible and efficient healthcare delivery. Further research is needed to standardize evaluation methods and ensure privacy while maximizing the potential of AI in personalized rehabilitation programs.

12 Feb 2024

STA-LSTM: Enhancing Vehicle Trajectory Prediction in Connected Environments

Scientific Reports presents the STA-LSTM model, integrating spatial-temporal attention mechanisms for precise vehicle trajectory prediction in connected environments. Outperforming baseline models, STA-LSTM accurately captures dynamic interactions and uncertainty, offering multi-modal predictions crucial for collision avoidance and traffic optimization in intelligent transportation systems and autonomous driving scenarios. Future enhancements could address complex scenarios like intersections and integrate additional factors for comprehensive predictive capabilities.

12 Feb 2024

MaTE: Macroscopic Traffic Estimator for Enhanced Traffic Flow and Travel Time Prediction

MaTE, a novel traffic estimator, utilizes macroscopic flow theory, logit-based stochastic traffic assignment, and neural networks to accurately predict traffic flow and travel time in areas with limited sensor coverage. Demonstrating superiority over existing models, MaTE offers interpretability and scalability, bridging the gap between data-driven and model-based methodologies in transportation planning.

7 Feb 2024

Innovative Vision Transformer for Pothole and Traffic Sign Detection in Challenging Conditions

Researchers from India, Australia, and Hungary introduce a robust model employing a cascade classifier and a vision transformer to detect potholes and traffic signs in challenging conditions on Indian roads. The algorithm, showcasing impressive accuracy and outperforming existing methods, holds promise for improving road safety, infrastructure maintenance, and integration with intelligent transport systems and autonomous vehicles

2 Feb 2024

A Federated Learning Approach for Passenger Demand Forecasting in Smart Cities

Researchers present a groundbreaking Federated Learning (FL) model for passenger demand forecasting in Smart Cities, focusing on the context of Autonomous Taxis (ATs). The FL approach ensures data privacy by allowing ATs in different regions to collaboratively enhance their demand forecasting models without directly sharing sensitive passenger information. The proposed model outperforms traditional methods, showcasing superior accuracy while addressing privacy concerns in the era of smart and autonomous transportation systems.

1 Feb 2024