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Watermarking method with exact self-propagating restoration capabilities

conference contribution
posted on 2013-01-17, 00:00 authored by S Bravo-Solorio, Chang-Tsun LiChang-Tsun Li, A K Nandi
This paper proposes a new fragile watermarking capable of perfectly restoring the original watermarked pixels of a tampered image. First, a secure block-wise mechanism, resilient to cropping, is used to localise tampered blocks of pixels. The authentic pixels and some reference bits are then used to estimate the original 5 most significant bits (MSBs) of the tampered pixels by means of an exhaustive and iterative restoration mechanism. Results are presented to demonstrate the restoration capabilities of the proposed mechanism.

History

Event

WIFS - Information Forensics and Security. IEEE International Conference (2012 : Tenerife, Spain)

Pagination

217 - 222

Publisher

Institute of Electrical and Electronics Engineers (IEEE)

Location

Tenerife, Spain

Place of publication

Piscataway, N.J.

Start date

2012-12-02

End date

2012-12-05

ISSN

2157-4766

ISBN-13

9781467322874

Language

eng

Publication classification

E1.1 Full written paper - refereed

Copyright notice

2012, IEEE

Title of proceedings

WIFS 2012 - Proceedings of the 2012 IEEE International Workshop on Information Forensics and Security

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