Research
[On-going research topics]
Multivariate time-series classification
“Randomized Quaternion Minimal Gated Unit for Sleep Stage Classification,” Expert Systems with Applications, 2024
“An Investigation Into Time-Varying Characteristics of Multivariate Time Series in Grassmann Classification," ICEIC, 2023
"Randomized Minimal Gated Unit for Multivariate Time Series Classification," 대한전자공학회 하계학술대회, 2023
"Classification of Multivariate Time-Series with Different Time Length on Grassmann Manifold using Neural Ordinary Differential Equations," KCC, 2022
Manifold learning for MTS clustering
“A Segment-Wise Extraction of Multivariate Time-Series Features for Grassmann Clustering,” ICEIC, 2023
"Grassmann 군집화 성능향상을 위한 다변량 시계열의 특징추출," KCC, 2022
"Grassmann 매니폴드 상에서 상이한 길이의 다변량 시계열 데이터 군집화: 실험적 고찰," KSC, 2021
“Grassmannian Clustering for Multivariate Time Sequences,” ICS, 2018
Lidar-based obstacle detection and avoidance
"객체 분할을 위한 가변적 반경 기반의 3D LiDAR 포인트 클라우드 그룹핑," 대한전자공학회논문지, 2024
"객체 분할을 위한 가변 거리 기반의 3D LiDAR 포인트 클라우드 그룹핑," 대한전자공학회 하계학술대회, 2023
[Past research topics]
Radar-based drone detection and classification
"Extraction of Global and Local m-DS features from FMCW Radar Returns for UAV Detection," IEEE Transactions on Aerospace and Electronic Systems, Apr 2021
“Improving the Doppler Resolution of Ground-Based Surveillance Radar for Drone Detection,” IEEE Transactions on Aerospace and Electronic Systems, 2019
“A UAV Classification System based on FMCW Radar Micro-Doppler Signature Analysis,” Expert Systems With Applications, 2019
“Micro-Doppler mini-UAV Classification Using Empirical Mode Decomposition Features,” IEEE Geoscience and Remote Sensing Letters, 2018
Face recognition
“An Analytic Gabor Feedforward Network for Single-sample and Pose-invariant Face Recognition,” IEEE Transactions on Image Processing, 2018
“A Gabor-based Network for Heterogeneous Face Recognition,” Neurocomputing, 2017
“Combining Sclera and Periocular Information for Multi-modal Identity Verification,” Neurocomputing, 2014
“Extraction and Fusion of Partial Face Features for Identity Verification,” Pattern Recognition, 2012
“Combining Local Face Image Features for Identity Verification,” Neurocomputing, 2011
Hand biometrics
"Palm-vein Verification using Images from the Visible Spectrum," IEEE Access, 2021
"Extraction and cross-matching of plam-vein and palmprint from the RGB and the NIR spectrums for identity verification," IEEE Access, 2020
“A Line Feature Extraction Method for Finger-Knuckle-Print Verification,” Cognitive Computation, 2019
Time-series change-points detection
"Identification of Stress State for Drivers Under Different GPS Navigation Modes," IEEE Access, 2020
“Extreme Learning Machine based Mutual Information Estimation with Application to Time-series Change-points Detection,” Neurocomputing, 2017
Time-series signal decomposition and reconstruction
“Augmented EMD for Complex-valued Univariate Signals,” IET Signal Processing, 2019