The Quadcode and Its Arithmetic. - Shu-Xiang Li; Murray H. Loew (Commun. ACM, 1987)

Adjacency Detection Using Quadcodes. - Shu-Xiang Li; Murray H. Loew (Commun. ACM, 1987)

Analysis and modeling of digitized straight-line segments. - Shu-Xiang Li; Murray H. Loew (ICPR, 1988)

Schistosome egg recognition using the top-down search strategy. - Shu-Xiang Li; Jian-Ping Liu; Yi-Min Huang (ICPR, 1988)