NDLI: A general attack method for steganography removal using Pseudo-CFA re-interpolation

Content Provider	IEEE Xplore Digital Library
Author	Shrestha, P.L. Hempel, M. Tao Ma Dongming Peng Sharif, H.
Copyright Year	2011
Description	Author affiliation: Computer and Electronics Engineering Department, University of Nebraska - Lincoln, Omaha, 68182, USA (Shrestha, P.L.; Hempel, M.; Tao Ma; Dongming Peng; Sharif, H.)
Abstract	Watermarking and steganography are two of the most researched topics in multimedia forensics. However, easy availability of tools and technology has made their misuse a serious concern. To counteract this development some effective tools are necessary to remove malicious steganography. In this work, we introduce a novel watermark attack method which can destroy hidden information embedded in images based on the principle of re-interpolation of Color Filter Array (CFA) artifacts. In digital cameras and scanners, CFA filters are used to acquire low-resolution physical color channel information and produce a high-quality image by subsequent interpolation. We propose to emulate a similar scheme in which image information is removed and reconstructed through interpolation and thereby destroy any hidden information without impairing the visual quality. Most importantly, our presented method is general and does not assume any knowledge of the used watermarking methods, the hidden message or the host image.
Starting Page	454
Ending Page	459
File Size	309912
Page Count	6
File Format	PDF
ISBN	9781457708848
e-ISBN	9781908320001
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-12-11
Publisher Place	United Arab Emirates
Access Restriction	Subscribed
Rights Holder	ICITST
Subject Keyword	Multimedia Watermark Embedding Interpolation PSNR Filtering Image color analysis Watermarking Re-interpolation Color Filter Array Image restoration Multimedia communication Watermark Attack
Content Type	Text
Resource Type	Article

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