An Information Hiding Technique for Binary Images in Consideration of Printing Process

Authors:
Hsi-Chun Alister Wang
Affiliations:
-
Venue:
PCM '02 Proceedings of the Third IEEE Pacific Rim Conference on Multimedia: Advances in Multimedia Information Processing
Year:
2002

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Abstract

The objective of this research is to propose a data hiding method for printed images. Three digital halftoning techniques Floyd-Steinberg error diffusion (FSED), multi-scale error diffusion (MSED) and modified multi-scale error diffusion (MMSED) - are implemented in the view of binarization sequence. Microscopic pictures on printed halftone images at different resolutions are presented for visual inspection. A print-and-scanned image with 16 sub-regions of varied dot percentage is used to evaluate the quality of data recovery. The results show that data recovery has better performance at the low dot percentage region and MMSED can provide greater feasibility for data hiding in printed binary images. The proposed method has numerous potential applications in security printing.