NDLI: Hybrid watermarking algorithm based on SVD and lifting wavelet transform for ownership verification

Content Provider	IEEE Xplore Digital Library
Author	Loukhaoukha, K. Chouinard, J.-Y.
Copyright Year	2009
Description	Author affiliation: Department of Electrical and Computer Engineering, Laval University, G1K 7P4, Quebec, Canada (Loukhaoukha, K.; Chouinard, J.-Y.)
Abstract	In this paper, we propose a hybrid robust digital watermarking algorithm based on singular value decomposition (SVD) and lifting wavelet transform (LWT). In contrast to other watermarking algorithms based on wavelet transforms which exploit the human visual system (HVS), proposed method does not require to use HVS characteristics. After decomposing the cover image into a two-level lifting wavelet transform, we compute the inverse LWT of a selected subband (SB). The watermark embedding procedure is done by modifying singular values. Experimental results demonstrate that this method is robust against several attacks such as: noise addition, histogram equalization, gamma correction, JPEG compression, cropping, rotation and randomly line and column removal.
Starting Page	177
Ending Page	182
File Size	3069190
Page Count	6
File Format	PDF
ISBN	9781424434008
DOI	10.1109/CWIT.2009.5069549
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-05-13
Publisher Place	Canada
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Watermarking Wavelet transforms Singular value decomposition Protection Matrix decomposition Robustness Image coding Discrete Fourier transforms Discrete wavelet transforms Humans human visual system Digital watermarking lifting wavelet transform singular value decomposition
Content Type	Text
Resource Type	Article

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