Search Results - "Nam, Hyunwoo"
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Autonomous control of unmanned aerial vehicle for chemical detection using deep reinforcement learning
Published in Electronics letters (01-05-2022)“…The unmanned aerial vehicle (UAV) is a promising platform for remote chemical sensing to minimize human contact with toxic chemicals. Most previous studies in…”
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2
Reconstruction of the Chemical Gas Concentration Distribution Using Partial Convolution-Based Image Inpainting
Published in Sensors (Basel, Switzerland) (10-07-2024)“…An interpolation method, which estimates unknown values with constrained information, is based on mathematical calculations. In this study, we addressed…”
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3
Large-eddy simulation for indoor flow in a multizone environment
Published in Journal of mechanical science and technology (01-05-2024)“…We used large-eddy simulation (LES) to numerically simulate two differently driven indoor airflows occurring in a multizone environment. In the first case, air…”
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4
Semi-Supervised Autoencoder for Chemical Gas Classification with FTIR Spectrum
Published in Sensors (Basel, Switzerland) (03-06-2024)“…Chemical warfare agents pose a serious threat due to their extreme toxicity, necessitating swift the identification of chemical gases and individual responses…”
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5
Sleep quality of patients with papillary thyroid carcinoma: a prospective longitudinal study with 5-year follow-up
Published in Scientific reports (05-11-2022)“…We evaluated the pre- and postoperative sleep quality of patients with newly diagnosed papillary thyroid carcinoma (PTC) who underwent thyroid surgery, and…”
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Moderate to severe obstructive sleep apnea during REM sleep as a predictor of metabolic syndrome in a Korean population
Published in Sleep & breathing (01-12-2020)“…Purpose Metabolic syndrome is a cluster of metabolic abnormalities including obesity, hypertension, hypertriglyceridemia, low high-density lipoprotein…”
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7
Source Localization of the Chemical Gas Dispersion Using Recursive Tracking With Transformer
Published in IEEE access (2024)“…A source localization of a chemical gas dispersion is important to understand the situation and facilitate effective responses to incidents. The source point…”
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8
Sleep Disturbances as a Risk Factor for Stroke
Published in Journal of stroke (01-01-2018)“…Sleep, a vital process of human being, is carefully orchestrated by the brain and consists of cyclic transitions between rapid eye movement (REM) and non-REM…”
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9
An Effective Baseline Correction Algorithm Using Broad Gaussian Vectors for Chemical Agent Detection with Known Raman Signature Spectra
Published in Sensors (Basel, Switzerland) (10-12-2021)“…Raman spectroscopy, which analyzes a Raman scattering spectrum of a target, has emerged as a key technology for non-contact chemical agent (CA) detection. Many…”
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10
Cerebral small vessel disease as imaging biomarker predicting ocular cranial nerve palsy of presumed ischemic origin at admission
Published in Scientific reports (18-07-2022)“…Ocular cranial nerve palsy of presumed ischemic origin (OCNPi) is the most common type of ocular cranial nerve palsy (OCNP) in patients aged ≥ 50 years;…”
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11
Chemical Gas Source Localization with Synthetic Time Series Diffusion Data Using Video Vision Transformer
Published in Applied sciences (01-06-2024)“…Gas source localization is vital in emergency scenarios to enable swift and effective responses. In this study, we introduce a gas source localization model…”
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12
Automated Detection of Sleep Apnea-Hypopnea Events Based on 60 GHz Frequency-Modulated Continuous-Wave Radar Using Convolutional Recurrent Neural Networks: A Preliminary Report of a Prospective Cohort Study
Published in Sensors (Basel, Switzerland) (21-09-2022)“…Radar is a promising non-contact sensor for overnight polysomnography (PSG), the gold standard for diagnosing obstructive sleep apnea (OSA). This preliminary…”
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13
QoE matters more than QoS: Why people stop watching cat videos
Published in IEEE INFOCOM 2016 - The 35th Annual IEEE International Conference on Computer Communications (01-04-2016)“…With the proliferation of online video, measuring quality of experience (QoE) has become a pivotal aspect for the analysis of today's over-the-top (OTT) video…”
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Conference Proceeding -
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Spectral Data Augmentation Using Deep Generative Model for Remote Chemical Sensing
Published in IEEE access (2024)“…The critical role of a remote chemical sensing using a Fourier Transform Infrared (FT-IR) spectrometer has been emphasized for detecting lethal chemicals in…”
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15
Achievable Rate Analysis of Opportunistic Transmission in Bursty Interference Networks
Published in IEEE communications letters (01-03-2018)“…In this letter, we consider the K-user bursty fading interference channel, where each user transmits data intermittently with a certain probability under the…”
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16
5-Bromo-3,4-dihydroxybenzaldehyde Promotes Hair Growth through Activation of Wnt/β-Catenin and Autophagy Pathways and Inhibition of TGF-β Pathways in Dermal Papilla Cells
Published in Molecules (Basel, Switzerland) (28-03-2022)“…Various studies addressing the increasing problem of hair loss, using natural products with few side effects, have been conducted…”
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17
The presence and severity of cerebral small vessel disease increases the frequency of stroke in a cohort of patients with large artery occlusive disease
Published in PloS one (09-10-2017)“…Cerebral small vessel disease (SVD) commonly coexists with large artery atherosclerosis (LAA). We evaluate the effect of SVD on stroke recurrence in patients…”
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18
Design of cooperative matched filter for detection of chemical agents
Published in Electronics letters (01-03-2021)“…A matched filter (MF) is one of the most widely used detectors for the detection of chemical agent (CA) clouds in the passive hyperspectral imaging system. To…”
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19
Obstructive sleep apnea is associated with an increased risk of colorectal neoplasia
Published in Gastrointestinal endoscopy (01-03-2017)“…Background and Aims A recent meta-analysis showed that obstructive sleep apnea (OSA) is associated with a higher prevalence of cancer and cancer-related…”
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20
A Sensor Drift Compensation Method with a Masked Autoencoder Module
Published in Applied sciences (01-03-2024)“…Deep learning algorithms are widely used for pattern recognition in electronic noses, which are sensor arrays for gas mixtures. One of the challenges of using…”
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Journal Article