Estimation of Intellectual Concentration States using Pupil Diameter and Heart Rate Variability. - Kaku Kimura; Shutaro Kunimasa; You Kusakabe; Hirotake Ishii; Hiroshi Shimoda (CHIRA, 2018)

An Estimation Method of Intellectual Concentration State by Machine Learning of Physiological Indices. - Kaku Kimura; Shutaro Kunimasa; You Kusakabe; Hirotake Ishii; Hiroshi Shimoda (IHSI, 2019)