NDLI: Verification of image content integrity by using dual watermarking on wavelets domain

Content Provider	IEEE Xplore Digital Library
Author	Wen-Nung Lie Tze-Liang Hsu Guo-Shiang Lin
Copyright Year	2003
Description	Author affiliation: Dept. of Electr. Eng., Nat. Chung Chen Univ., Ming-Hsiung, Taiwan (Wen-Nung Lie; Tze-Liang Hsu; Guo-Shiang Lin)
Abstract	Fragile watermarking is designed to protect content integrity of digital data, meaning to detect any change in the content as well as localize areas that have been changed. In this paper, we propose a fragile watermarking scheme, which embeds dual watermarks (one is naturally fragile and the other is actually robust) in JPEG-2000 compressed images with ROI (region of interest) selection. In this scheme, the fragile watermark is embedded in ROI coefficients at the first decomposition layer, while the robust watermark embedded in ROB (region of backgrounds) coefficients at the third decomposition layer. The combinational working of them is not only capable of detecting malicious changes precisely and flexibly but also estimating the degree of alteration to discriminate intended attacks from unintended ones (e.g., such normal image processing as compression, low-pass filtering, sharpening, etc). Experiments show that our functionally fragile watermarking scheme is scalable in view of detecting attack's intension as well as accuracy in localizing the tampered areas.
Sponsorship	IEEE Signal Process. Soc
File Size	351343
File Format	PDF
ISBN	0780377508
ISSN	15224880
DOI	10.1109/ICIP.2003.1246723
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2003-09-14
Publisher Place	Spain
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Watermarking Wavelet domain Robustness Image coding Image processing Resists Low pass filters Filtering Digital images Authentication
Content Type	Text
Resource Type	Article

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