Simplification of Polygonal Surface with Attributes. - Eihachiro Nakamae; Jianyun Chai; Hiroyuki Inuyama; Fujiwa Kato (ICSC, 1995)

On the Extraction of Various Regions in Vector Maps. - Guofang Jiao; Eihachiro Nakamae; Katsumi Tadamura; Hiroyuki Inuyama (IEICE Trans. Inf. Syst., 1995)