Indoor localization system using multi-modulation of ultrasonic sensors and digital compass. - Hong-shik Kim; Jongsuk Choi; Minyoung Park (IROS, 2008)

Sound Source Localization using Sparse Coding and SOM. - Hong-shik Kim; Jongsuk Choi (ETFA, 2009)

Binaural sound localization based on sparse coding and SOM. - Hong-shik Kim; Jongsuk Choi (IROS, 2009)