TY - CONF T1 - A new method for perspective correction of document images T2 - Document Recognition and Retrieval Y1 - 2011 A1 - José Rodríguez-Piñeiro A1 - Pedro Comesaña A1 - Fernando Pérez-González A1 - Alberto Malvido KW - Document image KW - perspective distortion correction KW - watermarking JF - Document Recognition and Retrieval T3 - Proc. of SPIE PB - SPIE CY - San Francisco, CA VL - 7874 ER -