A Wearable Wrist Band-Type System for Multimodal Biometrics Integrated with Multispectral Skin Photomatrix and Electrocardiogram Sensors. - Hanvit Kim; Haena Kim; Se Young Chun; Jae-Hwan Kang; Ian Oakley; Youryang Lee; Jun Oh Ryu; Min Joon Kim; In Kyu Park; Hyuck Ki Hong; Young Chang Jo; Sung-Phil Kim (Sensors, 2018)