Jongkwan Choi

11 papers C 1Journal 8Unranked 2
YearRankTypeTitle / Venue / Authors
2026 J jnl
Sparse Probabilistic Splits for Tree Ensembles: A Tunable Regularizer for Stable Generalization on Tabular Data.
IEEE Access
Jongkwan Choi, Yujin Lee, Eunbin Yun, GyeongTaek Lee
2025 J jnl
AI-Enhanced High-Density NIRS Patch for Real-Time Brain Layer Oxygenation Monitoring in Neurological Emergencies.
CoRR
Minsu Ji, Jihoon Kang, Seongkwon Yu, Jaemyoung Kim, Bumjun Koh, Jimin Lee, Guil Jeong, Jongkwan Choi, Chang-Ho Yun, Hyeon-Min Bae
2024 J jnl
Association between Prefrontal fNIRS signals during Cognitive tasks and College scholastic ability test (CSAT) scores: Analysis using a quantum annealing approach.
CoRR
Yeaju Kim, Jung-Gu Choi, Bora Kim, Yongwan Park, Jihyun Cha, Jongkwan Choi, Sanghoon Han
2022 J jnl
Machine Learning Approach for Classifying College Scholastic Ability Test Levels With Unsupervised Features From Prefrontal Functional Near-Infrared Spectroscopy Signals.
IEEE Access
Jung-Gu Choi, Inhwan Ko, Yoonjin Nah, Bora Kim, Yongwan Park, Jihyun Cha, Jongkwan Choi, Sanghoon Han
2018 J jnl
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
Jaeyoung Shin, Jin Uk Kwon, Jongkwan Choi, Chang-Hwan Im
2017 J jnl
A 2.048 Mb/s Full-Duplex Free-Space Optical Transceiver IC for a Real-Time In Vivo Brain-Computer Interface Mouse Experiment Under Social Interaction.
IEEE J. Solid State Circuits
Gunpil Hwang, Jongkwan Choi, Jaehyeok Yang, Sungmin Lim, Jae-Myoung Kim, MinGyu Choi, Kiuk Gwak, Jinwoo Jeon, Il-Hwan Choi, Sol Park, Dae-Shik Kim, Hee Sup Shin, Hyeon-Min Bae
2016 — conf
A 2.048 Mb/s full-duplex free-space optical transceiver IC for a real-time in vivo neurofeedback mouse experiment under social interaction.
VLSI Circuits
Gunpil Hwang, Jongkwan Choi, Jaehyeok Yang, Sungmin Lim, Jae-Myoung Kim, MinGyu Choi, Dae-Shik Kim, Kiuk Gwak, Jinwoo Jeon, Hee Sup Shin, Il-Hwan Choi, Sol Park, Hyeon-Min Bae
2016 J jnl
Time-Divided Spread-Spectrum Code-Based 400 fW-Detectable Multichannel fNIRS IC for Portable Functional Brain Imaging.
IEEE J. Solid State Circuits
Jongkwan Choi, Jae-Myoung Kim, Gunpil Hwang, Jaehyeok Yang, MinGyu Choi, Hyeon-Min Bae
2015 — conf
11.1 A time-divided spread-spectrum code based 15pW-detectable multi-channel fNIRS IC for portable functional brain imaging.
ISSCC
Jongkwan Choi, Jae-Myoung Kim, Gunpil Hwang, Jaehyeok Yang, MinGyu Choi, Hyeon-Min Bae
2013 J jnl
Efficient Data Extraction Method for Near-Infrared Spectroscopy (NIRS) Systems With High Spatial and Temporal Resolution.
IEEE Trans. Biomed. Circuits Syst.
Jongkwan Choi, MinGyu Choi, Jae-Myoung Kim, Hyeon-Min Bae
2012 C conf
An efficient data extraction method for high-temporal-and-spatial-resolution near infrared spectroscopy (NIRS) systems.
ISCAS
Jongkwan Choi, MinGyu Choi, Hyeon-Min Bae