@conference {Pineiro-SPIE2011,
	title = {A new method for perspective correction of document images},
	booktitle = {Document Recognition and Retrieval},
	series = {Proc. of SPIE},
	volume = {7874},
	year = {2011},
	month = {January},
	pages = {787410},
	publisher = {SPIE},
	organization = {SPIE},
	address = {San Francisco, CA},
	keywords = {Document image, perspective distortion correction, watermarking},
	author = {Jos{\'e} Rodr{\'\i}guez-Pi{\~n}eiro and Pedro Comesa{\~n}a and Fernando P{\'e}rez-Gonz{\'a}lez and Alberto Malvido}
}
