3Whitted T.Anti-aliased line drawing using brush extrusion[J].Computer Graphics,1983,17(15):1-6.
4Posch K C,Feller W D.The circle-brush algorithm[J].ACM Transactions on Graphics,1989,8(1):1-24.
5Fishkin K P,Barsky B A.Algorithms for brush movement in paint system[A].In:Graphics Interface'84 Proceedings[C].1984.9-16.
6Strassmann S.Hairy brushes[A].In:Proceedings of SIGGRAPH[C].Dallas,1986.225-232.
7I P HHS,Wong HTF.Calligraphic character systhesis using a brush model[A].In:Proceedings of CGI'97[C].Computer Graphics International Conference,Hasselt-Diepenbeek,Belgium,1997.13-21.
8HTF Wong,HHS I P.Virtual brush--a model-based synthesis of Chinese calligraphy[J].Computers & Graphics,2000,24(1):99-113.
