A Text Detection Method Using Wavelet Packet Analysis and Unsupervised Classifier. - Geum-Boon Lee; Wilfred O. Odoyo; Kuk-Se Kim; Beom-Joon Cho (J. Inform. and Commun. Convergence Engineering, 2006)

Design of a Room Monitoring System for Wireless Sensor Networks. - Sun-Kuk Noh; Kuk-Se Kim; Yoo Kang Ji (Int. J. Distributed Sens. Networks, 2013)