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....
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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...
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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...
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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)....
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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....
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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...
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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...
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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....
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Benchmarking YOLOv5 models for improved human detection in search and rescue missions
March 2024
Drone or unmanned aerial vehicle (UAV) technology has undergone significant changes. The technology allows UAV to carry out a wide range of tasks with an increasing level of sophistication, since drones...
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Machine learning algorithm partially reconfigured on FPGA for an image edge detection system
June 2024
Unmanned aerial vehicles (UAVs) have been widely used in military, medical, wireless communications, aerial surveillance, etc. One key topic involving UAVs is pose estimation in autonomous navigation....
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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....
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Efficient ECG classification based on Chi-square distance for arrhythmia detection
June 2024
This study introduces a new classifier tailored to address the limitations inherent in conventional classifiers such as K-nearest neighbor (KNN), random forest (RF), decision tree (DT), and support...
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CNN-LSTM based incremental attention mechanism enabled phase-space reconstruction for chaotic time series prediction
June 2024
To improve the prediction accuracy of chaotic time series and reconstruct a more reasonable phase space structure of the prediction network, we propose a convolutional neural network (CNN)-long short-term...
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Evaluation of a software positioning tool to support SMEs in adoption of big data analytics
March 2024
Big data analytics has been widely adopted by large companies to achieve measurable benefits including increased profitability, customer demand forecasting, cheaper development of products, and improved...
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Blockchain energy: Blockchain in future energy systems
December 2019
The ongoing, in-depth transformation of the electricity sector towards increased use of alternative, renewable energy sources extends beyond a simple decentralisation drive in the electricity market....
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Quantum Cryptography for Internet of Things Securitya
September 2019
Internet of things (IoT) is a developing technology with a lot of scope in the future. It can ease various different tasks for us. On one hand, IoT is useful for us, on the other hand, it has many serious...
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Machine learning model based on non-convex penalized huberized-SVM
March 2024
The support vector machine (SVM) is a classical machine learning method. Both the hinge loss and least absolute shrinkage and selection operator (LASSO) penalty are usually used in traditional SVMs....
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Iterative physical optics method based on efficient occlusion judgment with bounding volume hierarchy technology
March 2024
This paper builds a binary tree for the target based on the bounding volume hierarchy technology, thereby achieving strict acceleration of the shadow judgment process and reducing the computational...
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Computationally efficient MUSIC based DOA estimation algorithm for FMCW radar
March 2023
This paper proposes low-cost yet high-accuracy direction of arrival (DOA) estimation for the automotive frequency-modulated continuous-wave (FMCW) radar. The existing subspace-based DOA estimation algorithms...
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Recent advances of bismuth oxychloride photocatalytic material: Property, preparation and performance enhancement
June 2020
Due to its unique layered structure, bismuth oxychloride (BiOCl) has potential applications as a photocatalytic material in clean energy utilization and environmental purification. In recent years,...
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Framework for COVID-19 segmentation and classification based on deep learning of computed tomography lung images
September 2022
Corona Virus Disease 2019 (COVID-19) has affected millions of people worldwide and caused more than 6.3 million deaths (World Health Organization, June 2022). Increased attempts have been made to develop...
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High capacity data rate system: Review of visible light communications technology
September 2020
Wireless communications have become an integral part of global convergence as global connectedness has gradually become dependent on its efficient deployment. The need for “more-broadband” techniques...
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Multi-scale persistent spatiotemporal transformer for long-term urban traffic flow prediction
March 2024
Long-term urban traffic flow prediction is an important task in the field of intelligent transportation, as it can help optimize traffic management and improve travel efficiency. To improve prediction...
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Redox memristors with volatile threshold switching behavior for neuromorphic computing
December 2022
The spiking neural network (SNN), closely inspired by the human brain, is one of the most powerful platforms to enable highly efficient, low cost, and robust neuromorphic computations in hardware using...
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Miniaturized power detection module operating in millimeter wave band
June 2024
The miniaturized broadband detection module can be embedded into the microwave application system such as the front end of the transmitter to detect the power or other parameters in real time. It is...
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