PERFORMANCE IMPROVEMENT IN SPREAD SPECTRUM IMAGE WATERMARKING USING WAVELETS

被引：15

作者：

Maity, Santi P. ^{[1
]}

Kundu, Malay K. ^{[2
]}

机构：

[1] Bengal Engn & Sci Univ Shibpur, Dept Informat Technol, Howrah 711103, W Bengal, India

[2] Indian Stat Inst, Machine Intelligence Unit, Kolkata 700108, W Bengal, India

来源：

INTERNATIONAL JOURNAL OF WAVELETS MULTIRESOLUTION AND INFORMATION PROCESSING | 2011年 / 9卷 / 01期

关键词：

Digital image watermarking; spread spectrum watermarking; wavelets; M-band wavelets; CDMA; N-ary signaling; DIGITAL WATERMARKING; SCHEME; TRANSFORM; MODULATION; SECURE;

D O I：

10.1142/S0219691311003931

中图分类号：

TP31 [计算机软件];

学科分类号：

081202 ; 0835 ;

摘要：

This paper investigates the scope of wavelets for performance improvement in spread spectrum image watermarking. Performance of a digital image watermarking algorithm, in general, is determined by the visual invisibility of the hidden data (imperceptibility), reliability in the detection of the hidden information after various common and deliberate signal processing operations (robustness) applied on the watermarked signals and the amount of data to be hidden (payload) without affecting the imperceptibility and robustness properties. In this paper, we propose a few spread spectrum (SS) image watermarking schemes using discrete wavelet transform (DWT), biorthogonal DWT and M-band wavelets coupled with various modulation, multiplexing and signaling techniques. The performance of the watermarking methods are also reported along with the relative merits and demerits.

引用

页码：1 / 33

页数：33

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