Hyperparameter Optimization for Machine Learning Models Based on Bayesian Optimizationb
March 2019
Hyperparameters are important for machine learning algorithms since they directly control the behaviors of training algorithms and have a significant effect on the performance of machine learning models....
On large language models safety, security, and privacy: A survey
March 2025
The integration of artificial intelligence (AI) technology, particularly large language models (LLMs), has become essential across various sectors due to their advanced language comprehension and generation...
Big data challenge for monitoring quality in higher education institutions using business intelligence dashboards
March 2024
As big data becomes an apparent challenge to handle when building a business intelligence (BI) system, there is a motivation to handle this challenging issue in higher education institutions (HEIs)....
Hybrid big data optimization based energy-efficient and AI-powered green architecture toward smart cities and 5G-IoT applications
December 2025
The convergence of Internet of things (IoT) and 5G holds immense potential for transforming industries by enabling real-time, massive-scale connectivity and automation. However, the growing number of...
A survey of backdoor attacks and defences: From deep neural networks to large language models
September 2025
Deep neural networks (DNNs) have found extensive applications in safety-critical artificial intelligence systems, such as autonomous driving and facial recognition systems. However, recent research...
Knowledge graph and knowledge reasoning: A systematic review
June 2022
The knowledge graph (KG) that represents structural relations among entities has become an increasingly important research field for knowledge-driven artificial intelligence. In this survey, a comprehensive...
Sparse antenna array design methodologies: A review
September 2024
Designing a sparse array with reduced transmit/receive modules (TRMs) is vital for some applications where the antenna system's size, weight, allowed operating space, and cost are limited. Sparse arrays...
2D PdSe2: Pioneering innovations in polarized photodetection
June 2025
Palladium diselenide (PdSe2), a novel two-dimensional (2D) material with a unique pentagonal crystal structure including anisotropic properties, has emerged as a highly promising candidate for developing...
IoT-solar energy powered smart farm irrigation system
December 2019
As the Internet of things (IoT) technology is evolving, distributed solar energy resources can be operated, monitored, and controlled remotely. The design of an IoT based solar energy system for smart...
Perovskite single crystals: Synthesis, properties, and applications
June 2021
Perovskite single crystals have gained enormous attention in recent years due to their facile synthesis and excellent optoelectronic properties including the long carrier diffusion length, high carrier...
Coherent optical frequency combs: From principles to applications
June 2022
A coherent optical frequency comb is a kind of broad-spectrum light sources delivering equidistant frequencies, and correspondingly its temporal waveform appears as a sequence of ultrashort pulses....
A 27 GHz, simple 2-bit 1×8 phased array
September 2024
This study demonstrates a simple 2-bit phased array operating at 27 GHz that supports one-dimensional beam scanning with left-handed circular polarization (LHCP). The antenna is constructed using a...
Design process of a miniaturized reconfigurable antenna for 5G sub-6 GHz and diverse applications
December 2025
This article presents a compact crab-shaped gain-reconfigurable antenna (CSRA) designed for 5G sub-6 GHz wireless applications. The antenna achieves enhanced gain in a miniaturized form factor by incorporating...
Data augmentation method for insulators based on Cycle GAN
June 2024
Data augmentation is an important task of using existing data to expand data sets. Using generative countermeasure network technology to realize data augmentation has the advantages of high-quality...
High-speed pHEMT-based low noise amplifier for 2.4-GHz wireless communication
December 2025
In the era of rapidly expanding wireless technologies, the push for larger spectrum efficiency and better signal integrity has intensified the need for high-efficient and low noise amplifiers (LNAs)....
High-efficient single-phase, non-isolated, multi-input microinverter with common ground for photovoltaic systems
December 2025
Single-phase, non-isolated microinverters used in photovoltaic (PV) systems commonly encounter two persistent challenges: High-frequency leakage current and fluctuating power delivery. This paper presents...
Multi-UAV path planning for multiple emergency payloads delivery in natural disaster scenarios
June 2025
Unmanned aerial vehicles (UAVs) are widely used in situations with uncertain and risky areas lacking network coverage. In natural disasters, timely delivery of first aid supplies is crucial. Current...
Impact of coronavirus pandemic crisis on technologies and cloud computing applications
March 2021
In light of the COVID-19 outbreak caused by the novel coronavirus, companies and institutions have instructed their employees to work from home as a precautionary measure to reduce the risk of contagion....
Grape Guard: A YOLO-based mobile application for detecting grape leaf diseases
March 2025
Grape crops are a great source of income for farmers. The yield and quality of grapes can be improved by preventing and treating diseases. The farmer's yield will be dramatically impacted if diseases...
Comprehensive performance analysis of CMOS and CNTFET based 8T SRAM cell
June 2025
In recent years, carbon nanotube field effect transistor (CNTFET) has become an attractive alternative to silicon for designing high-performance, highly stable, and low-power static random access memory...
Automated ECG arrhythmia classification using hybrid CNN-SVM architectures
September 2025
Diagnosing cardiac diseases relies heavily on electrocardiogram (ECG) analysis, but detecting myocardial infarction-related arrhythmias remains challenging due to irregular heartbeats and signal variations....
Intelligent obstacle avoidance algorithm for safe urban monitoring with autonomous mobile drones
December 2024
The growing field of urban monitoring has increasingly recognized the potential of utilizing autonomous technologies, particularly in drone swarms. The deployment of intelligent drone swarms offers...
Unsupervised side-channel power analysis based on invariant information clustering
December 2025
Side-channel analysis (SCA) has emerged as a research hotspot in the field of cryptanalysis. Among various approaches, unsupervised deep learning-based methods demonstrate powerful information extraction...
Progress and prospects of hydrogen production: Opportunities and challenges
June 2021
This study presents an overview of the current status of hydrogen production in relation to the global requirement for energy and resources. Subsequently, it symmetrically outlines the advantages and...
Review on dynamic bandwidth allocation of GPON and EPON
December 2020
The passive optical network (PON) technology has been drastically improved in recent years. In spite of using the optical technology, the utilization of the entire bandwidth is a very challenging task....
