Chang-Hwan Im

Publication Activity (10 Years)

Years Active: 2005-2024
Publications (10 Years): 48

Top Topics

Prefrontal Cortex

Virtual Reality

Top Venues

Frontiers Neuroinformatics

Comput. Biol. Medicine

Publications

Minsu Kim, Chang-Hwan Im
HiRENet: Novel convolutional neural network architecture using Hilbert-transformed and raw electroencephalogram (EEG) for subject-independent emotion classification. Comput. Biol. Medicine 178 (2024)
Seonghun Park, Minsu Kim, Hyerin Nam, Jinuk Kwon, Chang-Hwan Im
In-Car Environment Control Using an SSVEP-Based Brain-Computer Interface with Visual Stimuli Presented on Head-Up Display: Performance Comparison with a Button-Press Interface. Sensors 24 (2) (2024)
Sangjun Lee, Jimin Park, Chany Lee, Jeongyeol Ahn, Juhyoung Ryu, Sang-Hun Lee, Chang-Hwan Im
Determination of optimal injection current pattern for multichannel transcranial electrical stimulation without individual MRI using multiple head models. Comput. Methods Programs Biomed. 243 (2024)
Suhye Kim, Jung-Hwan Kim, Wooseok Hyung, Suhkyung Shin, Myoung Jin Choi, Dong Hwan Kim, Chang-Hwan Im
Characteristic Behaviors of Elementary Students in a Low Attention State During Online Learning Identified Using Electroencephalography. IEEE Trans. Learn. Technol. 17 (2024)
Jinuk Kwon, Jihun Hwang, Chang-Hwan Im
S2S-StarGAN: Signal-to-Signal Translation Method based on StarGAN to Generate Artificial EEG for SSVEP-based Brain-Computer Interfaces. BCI (2023)
Hodam Kim, Younsoo Chae, Suhye Kim, Chang-Hwan Im
Development of a Computer-Aided Education System Inspired by Face-to-Face Learning by Incorporating EEG-Based Neurofeedback Into Online Video Lectures. IEEE Trans. Learn. Technol. 16 (1) (2023)
Jinuk Kwon, Hyerin Nam, Younsoo Chae, Seungjae Lee, In Young Kim, Chang-Hwan Im
Novel three-axis accelerometer-based silent speech interface using deep neural network. Eng. Appl. Artif. Intell. 120 (2023)
Ho-Seung Cha, Chang-Hwan Im
Improvement of robustness against electrode shift for facial electromyogram-based facial expression recognition using domain adaptation in VR-based metaverse applications. Virtual Real. 27 (3) (2023)
Chunghwan Kim, Ho-Seung Cha, Junghwan Kim, HwyKuen Kwak, WooJin Lee, Chang-Hwan Im
Facial Motion Capture System Based on Facial Electromyogram and Electrooculogram for Immersive Social Virtual Reality Applications. Sensors 23 (7) (2023)
Seonghun Park, Min-Su Kim, Hyerin Nam, Chang-Hwan Im
Development of an In-Car Environment Control System Using an SSVEP-based BCI with Visual Stimuli Presented on a Head-Up Display. BCI (2022)
Hodam Kim, Suhye Kim, Hongmin Kim, Youngsoo Ji, Chang-Hwan Im
Modulation of Driver's Emotional States by Manipulating In-Vehicle Environment: Validation With Biosignals Recorded in An Actual Car Environment. IEEE Trans. Affect. Comput. 13 (4) (2022)
Jinuk Kwon, Chang-Hwan Im
Novel Signal-to-Signal translation method based on StarGAN to generate artificial EEG for SSVEP-based brain-computer interfaces. Expert Syst. Appl. 203 (2022)
Jisoo Ha, Seonghun Park, Chang-Hwan Im
Novel Hybrid Brain-Computer Interface for Virtual Reality Applications Using Steady-State Visual-Evoked Potential-Based Brain-Computer Interface and Electrooculogram-Based Eye Tracking for Increased Information Transfer Rate. Frontiers Neuroinformatics 16 (2022)
Ho-Seung Cha, Won-Du Chang, Chang-Hwan Im
Deep-learning-based real-time silent speech recognition using facial electromyogram recorded around eyes for hands-free interfacing in a virtual reality environment. Virtual Real. 26 (3) (2022)
Jinuk Kwon, Jihun Hwang, Hyerin Nam, Chang-Hwan Im
Novel hybrid visual stimuli incorporating periodic motions into conventional flickering or pattern-reversal visual stimuli for steady-state visual evoked potential-based brain-computer interfaces. Frontiers Neuroinformatics 16 (2022)
Jisoo Ha, Kang-min Choi, Chang-Hwan Im
Feasibility of Using Electrooculography-Based Eye-Trackers for Neuromarketing Applications. IEEE Trans. Instrum. Meas. 71 (2022)
Miseon Shim, Chang-Hwan Im, Seung-Hwan Lee, Han-Jeong Hwang
Enhanced Performance by Interpretable Low-Frequency Electroencephalogram Oscillations in the Machine Learning-Based Diagnosis of Post-traumatic Stress Disorder. Frontiers Neuroinformatics 16 (2022)
Sangjun Lee, Jimin Park, Da Som Choi, Chany Lee, Chang-Hwan Im
Multipair transcranial temporal interference stimulation for improved focalized stimulation of deep brain regions: A simulation study. Comput. Biol. Medicine 143 (2022)
Ho-Seung Cha, Chang-Hwan Im
Performance enhancement of facial electromyogram-based facial-expression recognition for social virtual reality applications using linear discriminant analysis adaptation. Virtual Real. 26 (1) (2022)
Hodam Kim, Dan Zhang, Laehyun Kim, Chang-Hwan Im
Classification of Individual's discrete emotions reflected in facial microexpressions using electroencephalogram and facial electromyogram. Expert Syst. Appl. 188 (2022)
Jihyeon Ha, Sangin Park, Chang-Hwan Im, Laehyun Kim
A Hybrid Brain-Computer Interface for Real-Life Meal-Assist Robot Control. Sensors 21 (13) (2021)
Hodam Kim, Chang-Hwan Im
Influence of the Number of Channels and Classification Algorithm on the Performance Robustness to Electrode Shift in Steady-State Visual Evoked Potential-Based Brain-Computer Interfaces. Frontiers Neuroinformatics 15 (2021)
Seonghun Park, Do-Won Kim, Changhee Han, Chang-Hwan Im
Estimation of Emotional Arousal Changes of a Group of Individuals During Movie Screening Using Steady-State Visual-Evoked Potential. Frontiers Neuroinformatics 15 (2021)
Seonghun Park, Jisoo Ha, Ho-Seung Cha, Kyeong-Gu Lee, Chang-Hwan Im
Development of an Online Home Appliance Control System for the Elderly Based on SSVEP-Based Brain-Computer Interface: A Feasibility Study. BCI (2021)
Seonghun Park, Ho-Seung Cha, Jinuk Kwon, Hodam Kim, Chang-Hwan Im
Development of an Online Home Appliance Control System Using Augmented Reality and an SSVEP-Based Brain-Computer Interface. BCI (2020)
Seonghun Park, Changhee Han, Chang-Hwan Im
Design of Wearable EEG Devices Specialized for Passive Brain-Computer Interface Applications. Sensors 20 (16) (2020)
Ho-Seung Cha, Seong-Jun Choi, Chang-Hwan Im
Real-Time Recognition of Facial Expressions Using Facial Electromyograms Recorded Around the Eyes for Social Virtual Reality Applications. IEEE Access 8 (2020)
Ho-Seung Cha, Changhee Han, Chang-Hwan Im
Prediction of Individual User's Dynamic Ranges of EEG Features from Resting-State EEG Data for Evaluating Their Suitability for Passive Brain-Computer Interface Applications. Sensors 20 (4) (2020)
Changhee Han, Euijin Kim, Chang-Hwan Im
Development of a Brain-Computer Interface Toggle Switch with Low False-Positive Rate Using Respiration-Modulated Photoplethysmography. Sensors 20 (2) (2020)
Changhee Han, Jinuk Kwon, Han-Jeong Hwang, Chang-Hwan Im
Classification of Functional Near-Infrared Spectrocopy Signals during Passive and Combinatory Exercises for Neurorehabilitation. BCI (2019)
Hodam Kim, Laehyun Kim, Chang-Hwan Im
Machine-Learning-Based Detection of Craving for Gaming Using Multimodal Physiological Signals: Validation of Test-Retest Reliability for Practical Use. Sensors 19 (16) (2019)
Jimin Park, Chany Lee, Sangjun Lee, Chang-Hwan Im
Comparison of magnetic field distributions generated by various permanent magnets for transcranial static magnetic stimulation: A simulation study. Comput. Biol. Medicine 114 (2019)
Kang-min Choi, Seonghun Park, Chang-Hwan Im
Comparison of Visual Stimuli for Steady-State Visual Evoked Potential-Based Brain-Computer Interfaces in Virtual Reality Environment in terms of Classification Accuracy and Visual Comfort. Comput. Intell. Neurosci. 2019 (2019)
Seonghun Park, Ho-Seung Cha, Chang-Hwan Im
Development of an Online Home Appliance Control System Using Augmented Reality and an SSVEP-Based Brain-Computer Interface. IEEE Access 7 (2019)
Elisabeth Parés-Pujolràs, Yong-Wook Kim, Chang-Hwan Im, Patrick Haggard
Latent awareness: Early conscious access to motor preparation processes is linked to the readiness potential. NeuroImage 202 (2019)
Jaeyoung Shin, Jin Uk Kwon, Jongkwan Choi, Chang-Hwan Im
Ternary Near-Infrared Spectroscopy Brain-Computer Interface With Increased Information Transfer Rate Using Prefrontal Hemodynamic Changes During Mental Arithmetic, Breath-Holding, and Idle State. IEEE Access 6 (2018)
Chang-Hee Han, Chang-Hwan Im
EEG-based brain-computer interface for real-time communication of patients in completely locked-in state. BCI (2018)
Jaeyoung Shin, Jin Uk Kwon, Chang-Hwan Im
A Ternary Hybrid EEG-NIRS Brain-Computer Interface for the Classification of Brain Activation Patterns during Mental Arithmetic, Motor Imagery, and Idle State. Frontiers Neuroinformatics 12 (2018)
Jaeyoung Shin, Chang-Hwan Im
Performance Prediction for a Near-Infrared Spectroscopy-Brain-Computer Interface Using Resting-State Functional Connectivity of the Prefrontal Cortex. Int. J. Neural Syst. 28 (10) (2018)
Soo-In Choi, Changhee Han, Ga-Young Choi, Jaeyoung Shin, Kwang Soup Song, Chang-Hwan Im, Han-Jeong Hwang
On the Feasibility of Using an Ear-EEG to Develop an Endogenous Brain-Computer Interface. Sensors 18 (9) (2018)
Hodam Kim, Jihyeon Ha, Won-Du Chang, Wanjoo Park, Laehyun Kim, Chang-Hwan Im
Detection of Craving for Gaming in Adolescents with Internet Gaming Disorder Using Multimodal Biosignals. Sensors 18 (1) (2018)
Joo-Hee Kwon, Euijin Kim, Chang-Hwan Im, Do-Won Kim
Classification of Different Cognitive Load using Electroencephalogram(EEG): Preliminary Study. SCIS&ISIS (2018)
Do Yeon Kim, Jinuk Kwon, Joo Young Kim, Ho-Seung Cha, Yong-Wook Kim, In Young Kim, Chang-Hwan Im
New Method for Pure-Tone Audiometry Using Electrooculogram: A Proof-of-Concept Study. Sensors 18 (11) (2018)
Taejin Choi, Chang-Hwan Im, Seung-Jong Kim, Hyungmin Kim, Jong Min Lee
Prediction Method of Walking Speed at Swing Phase using Soleus Electromyogram Signal at Previous Stance Phase. EMBC (2018)
Won-Du Chang, Ho-Seung Cha, Kiwoong Kim, Chang-Hwan Im
Detection of eye blink artifacts from single prefrontal channel electroencephalogram. Comput. Methods Programs Biomed. 124 (2016)
Won-Du Chang, Ho-Seung Cha, Chang-Hwan Im
Removing the Interdependency between Horizontal and Vertical Eye-Movement Components in Electrooculograms. Sensors 16 (2) (2016)
Won-Du Chang, Ho-Seung Cha, Chany Lee, Hoon-Chul Kang, Chang-Hwan Im
Automatic Identification of Interictal Epileptiform Discharges in Secondary Generalized Epilepsy. Comput. Math. Methods Medicine 2016 (2016)
Hodam Kim, Jeong-Youn Kim, Chang-Hwan Im
Fast and Robust Real-Time Estimation of Respiratory Rate from Photoplethysmography. Sensors 16 (9) (2016)
Chang-Hwan Im, Jun-Hak Lee, Jeong-Hwan Lim
Neurocinematics based on passive BCI: Decoding temporal change of emotional arousal during video watching from multi-channel EEG. ASCC (2015)
Jeong-Hwan Lim, Jun-Hak Lee, Han-Jeong Hwang, Dong Hwan Kim, Chang-Hwan Im
Development of a hybrid mental spelling system combining SSVEP-based brain-computer interface and webcam-based eye tracking. Biomed. Signal Process. Control. 21 (2015)
Chang-Hwan Im, Kiwoon Kwon, Hang Joon Jo, Pedro Serranho
Applied Mathematics in Biomedical Sciences and Engineering 2014. J. Appl. Math. 2014 (2014)
Won-Du Chang, Chang-Hwan Im
Enhanced Template Matching Using Dynamic Positional Warping for Identification of Specific Patterns in Electroencephalogram. J. Appl. Math. 2014 (2014)
Han-Jeong Hwang, Chang-Hwan Im, Sun-Ae Park
Evaluation of feature extraction methods for motor imagery-based bcis in terms of robustness to slight changes of electrode locations. BCI (2013)
Jung-Hoon Kim, Do-Won Kim, Won Hyuk Chang, Yun-Hee Kim, Chang-Hwan Im
Inconsistent outcomes of transcranial direct current stimulation (tDCS) may be originated from the anatomical differences among individuals: A simulation study using individual MRI data. EMBC (2013)
Chang-Hee Han, Han-Jeong Hwang, Chang-Hwan Im
Modified pattern-reversal visual checkerboard stimuli with dual alternating frequencies for multi-class ssvep-based brain-computer interfaces. BCI (2013)
Sun-Ae Park, Han-Jeong Hwang, Jeong-Hwan Lim, Jong-Ho Choi, Hyun-Kyo Jung, Chang-Hwan Im
Evaluation of feature extraction methods for EEG-based brain-computer interfaces in terms of robustness to slight changes in electrode locations. Medical Biol. Eng. Comput. 51 (5) (2013)
Pyoung Won Kim, Seo Young Kim, Miseon Shim, Chang-Hwan Im, Young-Min Shon
The influence of an educational course on language expression and treatment of gaming addiction for massive multiplayer online role-playing game (MMORPG) players. Comput. Educ. 63 (2013)
Han-Jeong Hwang, Soyoun Kim, Soobeom Choi, Chang-Hwan Im
EEG-Based Brain-Computer Interfaces: A Thorough Literature Survey. Int. J. Hum. Comput. Interact. 29 (12) (2013)
Do-Won Kim, Seung-Hwan Lee, Chang-Hwan Im
Source activation during facial emotion perception correlates with positive and negative symptoms scores of schizophrenia. EMBC (2013)
Changhee Han, Han-Jeong Hwang, Jeong-Hwan Lim, Chang-Hwan Im
Development of an "eyes-closed" brain-computer interface system for communication of patients with oculomotor impairment. EMBC (2013)
Jeong-Hwan Lim, Han-Jeong Hwang, Chang-Hwan Im
"Eyes-closed" SSVEP-based BCI for binary communication of individuals with impaired oculomotor function. BCI (2013)
Chang-Hwan Im, Lei Ding, Yiwen Wang, Sung-Phil Kim
Computational Methods in Neuroengineering. Comput. Math. Methods Medicine 2013 (2013)
Jun-Hak Lee, Jeong-Hwan Lim, Han-Jeong Hwang, Chang-Hwan Im
Development of a hybrid mental speller combining EEG-based brain-computer interface and webcam-based eye-tracking. EMBC (2013)
Jae Jun Yoo, Jongmin Kim, Chang-Hwan Im, Jong Chul Ye
Neuroelectromagnetic imaging of correlated sources using a novel subspace penalized sparse learning. ISBI (2013)
Han-Jeong Hwang, Jeong-Hwan Lim, Jun-Hak Lee, Chang-Hwan Im
Implementation of a mental spelling system based on steady-state visual evoked potential (SSVEP). BCI (2013)
Young-Jin Jung, Kyung-Hwan Kim, Chang-Hwan Im
Mathematical Issues in the Inference of Causal Interactions among Multichannel Neural Signals. J. Appl. Math. 2012 (2012)
Dong-Hyun Baek, Ha-Chul Jung, Seon Min Kim, Chang-Hwan Im, James Jungho Pak, Sang-Hoon Lee
A method for stable electrical connection of a multi-channeled polyimide electrode with PCB. EMBC (2012)
Chang-Hwan Im, Kiwoon Kwon, Venky Krishnan, Pedro Serranho
Applied Mathematics in Biomedical Sciences and Engineering. J. Appl. Math. 2012 (2012)
Jae-Hyun Cho, Young-Jin Jung, Hoon-Chul Kang, Heung Dong Kim, Chang-Hwan Im
Localization of ictal onset zones in Lennox-Gastaut syndrome using directed transfer function method. EMBC (2011)
Han-Jeong Hwang, Kyung-Hwan Kim, Young-Jin Jung, Do-Won Kim, Yong-Ho Lee, Chang-Hwan Im
An EEG-based real-time cortical functional connectivity imaging system. Medical Biol. Eng. Comput. 49 (9) (2011)
Do-Won Kim, Jae-Hyun Cho, Han-Jeong Hwang, Jeong-Hwan Lim, Chang-Hwan Im
A vision-free brain-computer interface (BCI) paradigm based on auditory selective attention. EMBC (2011)
June Sic Kim, Chang-Hwan Im, Young-Jin Jung, Eun Young Kim, Sang Kun Lee, Chun Kee Chung
Localization and propagation analysis of ictal source rhythm by electrocorticography. NeuroImage 52 (4) (2010)
Chang-Hwan Im
Dealing with mismatched fMRI activations in fMRI constrained EEG cortical source imaging: a simulation study assuming various mismatch types. Medical Biol. Eng. Comput. 45 (1) (2007)
Chang-Hwan Im, Hyun-Kyo Jung
Numerical emulator for walk-through metal detectors using 3-D indirect boundary integral equation method. IEEE Trans. Instrum. Meas. 54 (3) (2005)