Leveraging Cloud Technology for Enhanced Online Examination System

Illustration showing a cloud-connected online examination system with a desktop screen displaying an exam, a tablet with checklists, and a server linked through cloud technology.

This study explores how cloud technology can enhance online examination systems by enabling secure, scalable, and easily accessible testing environments. With cloud-based storage and real-time synchronization, exams can be administered and monitored across multiple devices while maintaining consistent performance. The approach improves data management, reduces system failures, and ensures reliable exam delivery. Cloud integration also […]

A Comprehensive Study on Steganography and Text-to-Image Encryption Using RGB Substitution Techniques for Cybersecurity

Illustration of cybersecurity encryption showing a computer with binary data, a lock icon, a text document with a key, and an image card linked by dotted lines representing steganography and RGB-based text-to-image encryption.

This study explores the use of RGB substitution techniques to perform steganography and text-to-image encryption for cybersecurity applications. By embedding text within image color channels, the method conceals sensitive information while maintaining visual integrity. The research analyzes encryption strength, data-hiding capacity, and resilience against attacks. These techniques enhance secure communication, reduce detection risks, and support […]

Map Matching Algorithm: Curve Simplification for Frechet Distance Computing & Precise Navigation Using RTKLIB

Illustration of a GPS navigation device, a computer showing curve analysis, a location pin, and a satellite representing Frechet distance computation and precise map matching using RTKLIB.

This study presents a map matching approach that combines curve simplification with Frechet distance computation to achieve highly accurate navigation results using RTKLIB. By comparing the vehicle’s trajectory with road network geometry, the algorithm identifies the most suitable path even in challenging urban conditions. RTKLIB integration offers enhanced GNSS precision, reducing positional errors and improving […]

Machine Learning–Based Biomedical Image Processing for Echocardiographic Images

Illustration showing an echocardiography machine transmitting heart scan data to a computer, enhanced by a machine learning system represented with a neural network icon.

This research applies machine learning methods to enhance the quality and clinical usefulness of echocardiographic images. By leveraging algorithms for noise reduction, segmentation, and structural feature enhancement, the system produces clearer and more accurate heart images for diagnostic evaluation. The study demonstrates how machine learning can help clinicians identify cardiac abnormalities more efficiently, improving diagnostic […]

Correction to LTE-NBP with UWB-WBAN for Biomedical Applications

Illustration of biomedical wireless communication showing LTE-NBP towers, UWB-WBAN signals, and a patient wearing body sensors transmitting physiological data to a monitoring system.

This study presents corrections to the LTE-NBP model integrated with UWB-based Wireless Body Area Networks for advanced biomedical monitoring. The revised approach improves communication reliability, signal stability, and data accuracy between body-worn sensors and medical monitoring systems. By optimizing the interaction between UWB and LTE-NBP technologies, the corrected model reduces transmission errors and enhances patient […]

Statistical Impact Analysis of Congestion Control Algorithm in MANET

Illustration of a MANET network with interconnected mobile nodes, wireless signals, and a central analytics dashboard showing statistical performance charts.

This study examines the statistical impact of congestion control algorithms within Mobile Ad-Hoc Networks (MANETs). By analyzing key performance metrics such as throughput, latency, packet loss, and network stability, the research evaluates how different algorithms respond under varying traffic loads. The findings highlight how congestion control strategies influence overall network efficiency and communication reliability. This […]

Stub Signature-Based Efficient Public Data Auditing System Using Dynamic Procedures in Cloud Computing

Illustration of a cloud storage auditing system featuring document folders, a secure lock, a monitoring dashboard, and a cloud server icon representing data verification.

This research presents a stub signature–based system designed to improve the security and efficiency of public data auditing in cloud environments. By using lightweight, dynamically generated signatures, the framework enables third-party auditors to verify data integrity without accessing or exposing the original data. The approach reduces computation overhead, enhances privacy preservation, and ensures transparent and […]

Multiple Pattern Synthesis of Circular Antenna Arrays for Achieving Lower Side Lobe Level and Higher Directivity Using Hybrid Optimization Algorithm

Illustration of a circular antenna array with multiple radiation patterns displayed on a polar plot, showing the main lobe and reduced side lobes for enhanced directivity.

This study focuses on synthesizing multiple radiation patterns in circular antenna arrays using a hybrid optimization algorithm. The approach improves antenna performance by reducing side lobe levels and enhancing main lobe directivity. By combining advanced optimization methods, the system achieves precise control over radiation characteristics, making it suitable for high-efficiency communication and radar applications. The […]

Real-Time Location Tracking Map Matching Approaches

Illustration of a smartphone showing a live GPS route with a destination pin, alongside a satellite icon symbolizing real-time map matching and tracking accuracy.

This study examines real-time map matching approaches designed to enhance the precision of location tracking systems. By processing GPS signals and comparing them with digital road network information, these methods correct positioning errors and produce more reliable navigation output. The research highlights algorithmic strategies that improve accuracy under challenging conditions such as urban canyons or […]

Novel Map Matching Algorithm – Real-Time Location Tracking

Illustration of a smartphone displaying a real-time GPS route with a location pin, accompanied by a satellite icon representing live tracking and navigation accuracy.

This research introduces a novel map matching algorithm designed for real-time location tracking in navigation systems. By continuously refining GPS data and aligning it with road network structures, the method significantly reduces positional errors and improves route accuracy. The algorithm adapts to dynamic environments, providing faster and more reliable updates. Its strong performance supports intelligent […]