Efficient archiving of documents with protection of their authentic content
by Roumen Kountchev, Vladimir Todorov, Roumiana Kountcheva
International Journal of Reasoning-based Intelligent Systems (IJRIS), Vol. 1, No. 1/2, 2009

Abstract: A new approach for efficient archiving and content protection of scanned documents, comprising texts and pictures, is presented in this paper. The offered approach presumes to compress the pictures and the texts in different way: the pictures – with lossy coding based on decomposition, called inverse difference pyramid (IDP), and the parts, containing text (graphics) – with lossless coding. For the reliable image content protection is offered new method for digital watermarking based on the IDP decomposition, which permits the insertion of multi-layer watermarks.

Online publication date: Wed, 24-Jun-2009

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