Dung Phan, In-Seop Na, Soo-Hyung Kim, Guee-Sang Lee, Hyung-Jeong Yang, Vol. 9, No. 1, January 30, 2015
10.3837/tiis.2015.01.022

• Handwritten character
• Trajectory Recovery
• Skeletonization
• Polyline Skeleton
• Polygonal Approximation.