Image watermarking scheme using nonnegative matrix factorization and wavelet transform

被引：46

作者：

Ouhsain, Mohamed ^{[2
]}

Ben Hamza, A. ^{[1
]}

机构：

[1] Concordia Univ, Concordia Inst Informat Syst Engn, Montreal, PQ, Canada

[2] Accenture Inc, Vancouver, BC, Canada

来源：

EXPERT SYSTEMS WITH APPLICATIONS | 2009年 / 36卷 / 02期

基金：

加拿大自然科学与工程研究理事会;

关键词：

Watermarking; Wavelet transform; Nonnegative matrix factorization;

D O I：

10.1016/j.eswa.2007.12.046

中图分类号：

TP18 [人工智能理论];

学科分类号：

081104 ; 0812 ; 0835 ; 1405 ;

摘要：

We introduce a robust image watermarking scheme for copyright protection using discrete wavelet transform (DWT) and nonnegative matrix factorization (NMF). The core idea of the proposed approach is to decompose ail image into four wavelet sub-bands and then apply NMF to the blocks of each sub-band, followed by ail eigendecomposition distortion step. The experimental results clearly show a better visual imperceptibility and ail excellent resiliency of the proposed watermarking scheme against intentional and geometric attacks. (C) 2007 Elsevier Ltd. All rights reserved.

引用

页码：2123 / 2129

页数：7

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