Reconstructing Line Drawings Based on Constraints among Edges and Vertices. - Qiu-Ping Cao; Man-Tun Gao; Yi-Kai Shi (CAD/Graphics, 2007)

Interpreting Line Drawings Based on Constraints between Edges and Vertices. - Qiu-Ping Cao; Man-Tun Gao; Yi-Kai Shi (IMECS, 2007)