7 results for "Li-Chia Tai"
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Journal Article
Utilizing Enhanced Particle Swarm Optimization for Feature Selection in Gender-Emotion Detection From English Speech Signals
Speech emotion recognition (SER) plays a vital role in various applications, enabling machines to decode and analyze emotions conveyed through speech. This study introduces a novel approach, Dynamic Gender-Aware Enhanced Binary Particle Swarm Optimization (DGA-EBPSO), that leverages a…
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Journal Article Full text
Adaptive regularized spectral reduction for stabilizing ill-conditioned bone-conducted speech signals
Bone-conducted (BC) speech signals are inherently challenging to analyze due to their wide frequency range, which leads to ill-conditioning in numerical analysis and linear prediction (LP) techniques. This ill-conditioning is primarily caused by the expansion of eigenvalues, which complicates the…
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Journal Article Full text
Electrochemical Devices to Monitor Ionic Analytes for Healthcare and Industrial Applications
Recent advances in electrochemical devices have sparked exciting opportunities in the healthcare, environment, and food industries. These devices can be fabricated at low costs and are capable of multiplex monitoring. This overcomes challenges presnted in traditional sensors for biomolecules and…
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Journal Article Full text
Deep Learning-Based Link Quality Estimation for RIS-Assisted UAV-Enabled Wireless Communications System
In recent years, unmanned aerial vehicles (UAVs) have become a valuable platform for many applications, including communication networks. UAV-enabled wireless communication faces challenges in complex urban and dynamic environments. UAVs can suffer from power limitations and path losses caused by…
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Journal Article
A Centralized Multi-Agent DRL-Based Trajectory Control Strategy for Unmanned Aerial Vehicle-Enabled Wireless Communications
Unmanned aerial vehicles (UAVs) are becoming increasingly popular as mobile base stations due to their flexible deployment and low-cost features, particularly for emergency communications, traffic offloading, and terrestrial communications infrastructure failures. This paper presents an autonomous…
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Journal Article Full text
Machine Learning-Driven Intrusion Detection for Securing IoT-Based Wireless Sensor Networks
Wireless sensor networks (WSNs) have become a critical component of modern Internet of Things (IoT) infrastructures; however, their constrained resources and distributed deployment expose them to various cyber threats. In this work, we present a machine learning-driven intrusion detection framework…
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Journal Article
Wearable sensors for monitoring drug pharmacokinetics in patients with Parkinson’s disease
Abstract Wearable sweat sensors have attracted significant attention in recent years due to their potential for noninvasive health monitoring and point-of-care treatment. In this study, we developed and clinically evaluated wearable electrochemical sweat sensors in 32 patients with Parkinson’s…