Domestic Conferences/Workshops

D.-H. Kim, Y.-S. Choi, "Semi-supervised Graph Convolution Neural Network based Emotion Recognition using Multimodal Biosignals," Summer Annual Conference of KIBME, Jun. 2023. 

C.-M. Kim, Y.-S. Choi, "Multiscale Fuzzy Dispersion Entropy for Heart rate variability analysis," Summer Annual Conference of IEIE, Jul. 2022. 

D.-H. Kim, Y.-S. Choi, "Quantitative EEG based Emotion Recognition Using Graph Convolutional Neural Network," Summer Annual Conference of IEIE, Jul. 2022. 

H.K. Lee, S.-M. Jang, I. J. Kim, J.-S. Myoung, T.-Y. Roh, Y.-S. Choi, "Tennis Motion Classification based on a Lightweight End-to-End Neural Network," Summer Annual Conference of IEIE, Jul. 2022.

H.K. Lee, T.-Y. Roh, Y.-S. Choi, "An Efficient Conformer Speech Recognition Model using modified Multi-head Self Attention with Matrix Factorization," The Korean Institute of Communications and Information Sciences Winter Conference 2022, Feb. 2022.

J.-H. Kim, Y.-S. Choi, "Lightweight Pre-trained Korean Language Model based on Knowledge Distillation," The Korean Institute of Communications and Information Sciences Winter Conference 2022, Feb. 2022.

J.-H. Kim, H.K. Lee, J.-H. Lee, J.-O. Park, and Y.-S. Choi, "Violent and Nonviolent Situations Recognition based on Korean Dialogue Using BERT Language Model," Korea Computer Congress 2021, Jul. 2021.

H.K. Lee, J.-H. Lee, Y.-S. Choi, "An Improved Motor Imagery Brain-Computer Interface based on A Deep Learning Framework with Data Augmentation", Korea Computer Congress 2020, Jul. 2020.

J.-H. Lee, H.K. Lee, Y.-S. Choi, "Robust Common Spatial Patterns based on Generalized Lp-norm for Motor Imagery EEG Brain-Computer Interface", Korea Computer Congress 2020, Jul. 2020.

D.-Y. Lee, Y.-S. Choi, "Emotion Recognition based on Multivariate Multiscale Dispersion Entropy Analysis of Electroencephalogram ", Korea Software Congress 2019, Dec. 2019.

H.K. Lee, D.-Y. Lee, Y.-S. Choi, "Classification Framework of Motor Imagery EEG Signals based on Long Short-Term Memory ", Korea Software Congress 2019, Dec. 2019.

J.-H. Lee, H.K. Lee, Y.-S. Choi, "Robust Common Spatial Patterns using Lp-norm for EEG based Motor Imagery BCI ", The 29th Joint Conference on Signal Processing in The Institute of Electronics and Information Engineers Congress , Sep. 2019.

H.K. Lee, Y.-S. Choi, "Two-Step Task-Related Component Analysis for Enhancing the Performance of SSVEP Frequency Recognition", The 29th Joint Conference on Signal Processing in The Institute of Electronics and Information Engineers Congress , Sep. 2019.

S.R. Oh, Y.-S. Choi, "Computer-Aided Diagnosis of Ventricular fibrillation based on Ensemble Empirical Mode Decomposition of ECG", Korea Computer Congress 2019, Jun. 2019.

J.O. Park, D.-Y. Lee, Y.-S. Choi, "Multiscale Distribution Entropy Analysis for Detection of Short Epileptic Seizure EEG Signals", Korea Computer Congress 2019, Jun. 2019.

J.-H. Lee, Y.-S. Choi, "A Novel Feature Extraction for Motor Imagery EEG Data using Hilbert-Huang Transform and Dispersion Entropy", Korea Computer Congress 2019, Jun. 2019.

H.K. Lee, Y.-S. Choi, "Improved Frequency Recognition Using Two-Step Task-Related Component Analysis for SSVEP-Based BCI", Korea Computer Congress 2019, Jun. 2019.

D.-Y. Lee, Y.-S. Choi, "Emotion Recognition based on Multivariate Multiscale Fuzzy Entropy Analysis of EEG recordings ", Korea Computer Congress 2019, Jun. 2019.

J.-H. Lee, Y.-S. Choi, "A Novel Multiscale Dispersion Entropy for Feature Extraction of  Motor Imagery Electroencephalogram", Korea Software Congress 2018, Dec. 2018.

D.-Y. Lee, Y.-S. Choi, "Robust Multiscale Distribution Entropy for Quantifying Heart Rate Variability from ECG", Korea Software Congress 2018, Dec. 2018.

S.R. Oh, Y. -S. Choi, "Detection of ventricular fibrillation based on ensemble empirical mode decomposition of ECG signals", Korea Software Congress 2018, Dec. 2018.

D.-Y. Lee, Y.-S. Choi, "Assessing heart rate variability using multiscale amplitude aware permutation entropy", Korea Computer Congress 2018, Jun. 2018.

E.J. Shin, Y.-S. Choi, "Analysis of Epileptic EEG Recordings based on Refined Generalized Multiscale Permutation Entropy", Korea Computer Congress 2018, Jun. 2018.

H.K. Lee, Y.-S. Choi, "A Convolutional Neural Network with Wavelet Transform for Classification of Motor Imagery Brain Signal", Korea Computer Congress 2018, Jun. 2018.

H.K. Lee, Y.-S. Choi, "A Convolutional Neural Network based on Wavelet Transform for Identifying Motor Imagery Brain Waves", Korea Software Congress 2017, Dec. 2017.

E.J. Shin, Y.-S. Choi, "A Refined Multiscale Permutation Entropy for Analysis of Epileptic EEG Recordings", The Korea Society of Medical Biological Engineering Conference, Nov. 2017.

Y.-S. Choi, "Adaptive Multiscale Entropy Analysis of EEG recordings for Detection of Epileptic Seizures", 26th Joint Conference on Communications and Information (JCCI), Apr. 2016.

Y-.S. Choi, H. H. Lee, M. Cho, and H.-C. Shin, "Adaptive Multiscale Information Analysis of EEG for Detection of Epileptic Seizure", Korean Institute of Information Systems Autumn Conference, Oct. 2014.

Y.-S. Choi, Y.-C. Shin, S. H. Ying, G. I. Newman, and N. V. Thakor, "Motor Imagery based Brain-Computer Interface for Cerebellar Ataxia", Korean Institute of Information Systems Autumn Conference, Oct. 2014.

Y.-S. Choi, "Using Adaptive Multiscale Entropy to Detect Seizure in EEG", IEIE Signal Processing Conference, Sep. 2014.

Y.-S. Choi, "Multiscale Permutation Entropy Analysis of EEG for discriminating Epilepsy Seizure", Summer Annual Conference of IEIE, Jun. 2014.

Y.-S. Choi, "Adaptive Multi-scale Entropy Analysis of Brain Signal", Summer Annual Conference of IEIE, Jul. 2013. 

Y.-S. Choi, KW Kim, BJ Lee, SD Jung, "Flexible Multichannel Electrode for Epimysial Electromyographic Recordings", The Korea Society of Medical Biological Engineering Conference, May. 2012.

GW Kim, Y.-S. Choi, SD Jung, "Multichannel Extracellular Interface system with Separated Stimulation and Recording Electrodes", Summer Annual Conference of IEIE, Jun. 2011.

KH Kim, Y.-S. Choi, SE Kim, WJ Song, "An Affine Projection Algorithm with Sporadic Updates", Autumn Annual Conference of IEIE, Nov. 2010.

SE Kim, Y.-S. Choi, WJ Song, "A New Normalized Subband Adaptive Filter for Improving Performance at a Low SNR",, Summer Annual Conference of IEIE, Jun. 2010.

SE Kim, Y.-S. Choi, WJ Song, "Improved Normalized Sign LMS Algorithm with Sparse Updates", IEIE Signal Processing Conference, Oct. 2009.

Y.-S. Choi, WJ Song, "Convex Combination of Affin Projection Algorithm Filters with Different Input Order", IEIE Signal Processing Conference, Oct. 2007.

KH Kim, Y.-S. Choi, WJ Song, "Proportionate Affine Projection Algorithm with Adaptive Regularization", IEIE Signal Processing Conference, Oct. 2007.

SE Kim, Y.-S. Choi, WJ Song, "Partial Update L1-norm Based Adaptive Filtering Algorithm with Sparse Updates", IEIE Signal Processing Conference, Oct. 2007.

JE Lee, Y.-S. Choi, WJ Song, "Data-Reusing L1-norm Based Adaptive Filtering Algorithm", IEIE Signal Processing Conference, Oct. 2006.

Y.-S. Choi, HC Shin, WJ Song, "Adaptive Noise Constrained Data-Reusing and Affine Projection Algorithms", IEIE Signal Processing Conference, Oct. 2006.

JH Lee, Y.-S. Choi, WJ Song, "Subband Affine Projection Algorithm with Adaptive Regularization Matrix", IEIE Signal Processing Conference, Oct. 2006.

Y.-S. Choi, HC Shin, WJ Song, "Affine Projection Algorithms with Variable Regularization", IEIE Signal Processing Conference, Sep. 2005.

Y.-S. Choi, HC Shin, WJ Song, "Normalized LMS with Robust Regularization", IEIE Signal Processing Conference, Sep. 2004.

Y.-S. Choi, HC Shin, WJ Song, "Adaptive IIR Filtering using polyphase decomposition", IEIE Signal Processing Conference, Sep. 2003.

Y.-S. Choi, HC Shin, WJ Song, "Adaptive Line Enhancer with Self-tuning Prefilter", IEIE Signal Processing Conference, Sep. 2001.