Rich curve drawing. - Suguru Saito; Akane Kani; Youngha Chang; Masayuki Nakajima 001 (SIGGRAPH Abstracts and Applications, 2002)

Generation of Varying Line Thickness. - Suguru Saito; Akane Kani; Youngha Chang; Masayuki Nakajima 001 (Computer Graphics International, 2003)

Curvature-based stroke rendering. - Suguru Saito; Akane Kani; Youngha Chang; Masayuki Nakajima 001 (Vis. Comput., 2008)