A new method for perspective correction of document images - José Rodríguez-Piñeiro; Pedro Comesaña; Fernando Pérez-González; Alberto Malvido (Document Recognition and Retrieval, 2011)
Keywords: Document image; perspective distortion correction; watermarking

A novel model for the print-and-capture channel in 2D bar codes - Alberto Malvido; Fernando Pérez-González; Armando Cousiño (International Workshop on Multimedia Content Representation, Classification and Security, 2006)
Keywords: bar-codes; visible-encryption