A hybrid gray image representation using spatial- and DCT-based approach with application to moment computation. - Kuo-Liang Chung; Yau-Wen Liu; Wen-Ming Yan (J. Vis. Commun. Image Represent., 2006)

Efficient algorithms for coding Hilbert curve of arbitrary-sized image and application to window query. - Kuo-Liang Chung; Yi-Luen Huang; Yau-Wen Liu (Inf. Sci., 2007)