@conference {13685,
	title = {Unwarping Images of Curved Documents Using Global Shape Optimization},
	booktitle = {Proc. Fist International Workshop on Camera-based Document Analysis and Recognition},
	year = {2005},
	month = {2005///},
	pages = {25 - 29},
	author = {Liang,Jian and DeMenthon,Daniel and David Doermann}
}
