Bleed-Through Removal from Degraded Documents Using a Color Decorrelation Method. - Anna Tonazzini; Emanuele Salerno; Matteo Mochi; Luigi Bedini (Document Analysis Systems, 2004)

Blind Source Separation Techniques for Detecting Hidden Texts and Textures in Document Images. - Anna Tonazzini; Emanuele Salerno; Matteo Mochi; Luigi Bedini (ICIAR (2), 2004)