Adaptive Morphological Representation of Signals: Polynomial and Wavelet Methods. - Hyungtai Cha; Luis F. Chaparro (Multidimens. Syst. Signal Process., 1997)

Efficient Multi-way Tree Search Algorithm for Huffman Decoder. - Hyungtai Cha; Kwanghee Woo (Int. J. Fuzzy Log. Intell. Syst., 2004)