Measuring the Depth of Anesthesia Using Ordinal Power Spectral Density of Electroencephalogram. - Ho-Ik Choi; Gyu-Jeong Noh; Hyun-Chool Shin (IEEE Access, 2020)

Vital information extraction using FMCW radar. - Ho-Ik Choi; Jongwun Seul; Hyun-Chool Shin (ICOIN, 2021)

Target Range Selection of FMCW Radar for Accurate Vital Information Extraction. - Ho-Ik Choi; Heemang Song; Hyun-Chool Shin (IEEE Access, 2021)

Improved Heartbeat Detection by Exploiting Temporal Phase Coherency in FMCW Radar. - Ho-Ik Choi; Woo-Jin Song; Heemang Song; Hyun-Chool Shin (IEEE Access, 2021)