New two-phase spatial data structures with applications to binary images. - Kuo-Liang Chung; Hsu-Lien Huang; I-Chien Chen (J. Vis. Commun. Image Represent., 2003)

Efficient region segmentation on compressed gray images using quadtree and shading representation. - Kuo-Liang Chung; Hsu-Lien Huang; Hsueh-I Lu (Pattern Recognit., 2004)