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 - TY - CONF T1 - A novel model for the print-and-capture channel in 2D bar codes T2 - International Workshop on Multimedia Content Representation, Classification and Security Y1 - 2006 A1 - Alberto Malvido A1 - Fernando Pérez-González A1 - Armando Cousiño ED - Bilge Gunsel ED - Anil K. Jain ED - A. Murat Tekalp ED - Bülent Sankur KW - bar-codes KW - visible-encryption JF - International Workshop on Multimedia Content Representation, Classification and Security T3 - Lecture Notes in Computer Science PB - Springer-Verlag Heidelberg CY - Istambul, Turkey VL - 4105 ER -