Search Results - "Choi, Hyun Kyun"

Strict-Feedback Backstepping Digital Twin and Machine Learning Solution in AE Signals for Bearing Crack Identification by Piltan, Farzin, Toma, Rafia Nishat, Shon, Dongkoo, Im, Kichang, Choi, Hyun-Kyun, Yoo, Dae-Seung, Kim, Jong-Myon

“…Bearings are nonlinear systems that can be used in several industrial applications. In this study, the combination of a strict-feedback backstepping digital…”
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Analysis of V2V Broadcast Performance Limit for WAVE Communication Systems Using Two‐Ray Path Loss Model by Song, Yoo‐Seung, Choi, Hyun‐Kyun

“…The advent of wireless access in vehicular environments (WAVE) technology has improved the intelligence of transportation systems and enabled generic traffic…”
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Sleep State Classification Using Power Spectral Density and Residual Neural Network with Multichannel EEG Signals by Hasan, Md Junayed, Shon, Dongkoo, Im, Kichang, Choi, Hyun-Kyun, Yoo, Dae-Seung, Kim, Jong-Myon

“…This paper proposes a classification framework for automatic sleep stage detection in both male and female human subjects by analyzing the electroencephalogram…”
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A time-domain estimation method of rapidly time-varying channels for OFDM-based LTE-R systems by Choi, Jin-Kyu, Nguyen, Van Duc, Nguyen, Hai Nam, Duong, Van Vinh, Nguyen, Tien Hoa, Cho, Hanbyeog, Choi, Hyun-Kyun, Park, Seong-Gyoon

“…This paper addresses the performance of fast doubly selective fading channel estimation combined with Inter-Carrier Interference (ICI) cancellation for Long…”
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A robust ICI suppression based on an adaptive equalizer for very fast time-varying channels in LTE-R systems by Cho, Hanbyeog, Nguyen, Tien Hoa, Nguyen, Huu Nghia, Choi, Hyun-Kyun, Choi, Jin-Kyu, Ro, Soonghwan, Nguyen, Van Duc

“…High-speed railway communication implemented based on Long-Term Evolution-Railway (LTE-R) Platform has strict requirements for quality of services to support…”
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Analysis of V2V Broadcast Performance Limit for WAVE Communication Systems Using Two-Ray Path Loss Model by Song, Yoo-Seung, Choi, Hyun-Kyun

“…The advent of wireless access in vehicular environments (WAVE) technology has improved the intelligence of transportation systems and enabled generic traffic…”
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Lightweight Driver Monitoring System Based on Multi-Task Mobilenets by Kim, Whui, Jung, Woo-Sung, Choi, Hyun Kyun

“…Research on driver status recognition has been actively conducted to reduce fatal crashes caused by the driver's distraction and drowsiness. As in many other…”
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A study for QoS support in the WAVE MAC by Jeong-Woo Lee, Hyun-Kyun Choi

“…WAVE(Wireless Access in Vehicular Environments) communication technology has been designed for short initial link, low latency and high mobility in the…”
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Mid-amble aided OFDM performance analysis in high mobility vehicular channel by Sang In Kim, Hyun Seo Oh, Hyun Kyun Choi

“…In this paper, we present mid-amble aided channel estimation and its performance analysis of OFDM signal in high mobility vehicular radio channel. Preamble and…”
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Optimum relay node selection for two-relay networks in railway environments by Woong Cho, Hyun-kyun Choi, Jin-Kyu Choi, Hyun-Seo Oh, Hanbyeog Cho

“…Relay networks enhance the system performance by creating cooperative diversity gain and extend communication range by relaying the received signal to other…”
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A Study on Speech Emotion Recognition Using a Deep Neural Network by Lee, Kyong Hee, Kyun Choi, Hyun, Jang, Byung Tae, Kim, Do Hyun

“…When using voice signals as input to a deep learning network, there may be myriad features depending on the method and purpose of extracting the voice signal…”
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Driver distraction detection using single convolutional neural network by Whui Kim, Hyun-Kyun Choi, Byung-Tae Jang, Jinsu Lim

“…Driver status detection is an essential task because driver distraction, fatigue, and drowsiness of driver are serious causes of traffic accident in recent. In…”
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Study on Training Convolutional Neural Network to Detect Distraction and Drowsiness by Kim, Whui, Choi, Hyun-Kyun, Jang, Byung-Tae

“…Most critical reason of the crash causal chain was caused by the driver. In other to reduce such human factors, it is necessary to use multiple pieces of…”
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Limitation of LoRaWAN in the Smart HSE System for Shipbuilding and Onshore Plant by Jung, Woo-Sung, Yoon, Tae Hyun, Seung Yoo, Dae, Park, Jeong Ho, Choi, Hyun-Kyun

“…We introduce smart HSE(Health, Safety and Environment) system for shipbuilding and onshore plants. HSE system for shipbuilding marine industry should be…”
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Effects of the providing an augmented reality information on the cognitive reaction behavior under the reduced visibility traffic environment by Yoonsook Hwang, Kyong-Ho Kim, Hyun-Kyun Choi

“…This study was aimed to confirm the effects of augmented reality (AR) information use on the cognitive reaction behavior of drivers with specific reckless…”
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A study of variable interval for WAVE multi-channel access by Shin-Kyung Lee, Hyun-Kyun Choi

“…WAVE is a main architecture for vehicular communication. A part of WAVE, 1609.4, describes multi-channel operations to support service data delivery. But it…”
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A testbed for development and test of the safe driving system by Jeong-Woo Lee, Byoung-Jun Park, Kyong-Ho Kim, Hyun-Kyun Choi

“…Nowadays, a lot of safe driving devices and systems have already been commercialized and applied in many vehicles and it is necessary to test these safe…”
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Detectable Object-Sizes Range Estimation Based Multi-Task Cascaded Convolutional Neural Networks in the Vehicle Environment by Kim, Whui, Choi, Hyun Kyun, Shin, Min Jung

“…In many studies regarding driver monitoring system, they directly employed face detection algorithms for general-purpose in an unconstrained environment. These…”
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Performance evaluation of V2V/V2I communications: The effect of midamble insertion by Woong Cho, Sang In Kim, Hyun kyun Choi, Hyun Seo Oh, Dong Yong Kwak

“…In vehicular communications, the channel estimation is critical to compensate signal distortion due to wireless channel in high mobility scenario. To improve…”
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Performance analysis of Vehicle Multi-hop Communication (VMC) Technology by Hyun Seo Oh, Sang In Kim, Hyun Kyun Choi, Kyeong Soo Han, Sang Woo Lee, Dong Yong Kwak

“…We introduce vehicle multi-hop communication (VMC) project in Korea, which provides vehicle to vehicle and vehicle to Infra communications. At first, technical…”
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