Analysis of a Patchwork-Based Audio Watermarking Scheme

被引：0

作者：

Natgunanathan, Iynkaran ^{[1
]}

Xiang, Yong ^{[1
]}

Elbadry, Suzan S. M. ^{[1
]}

Zhou, Wanlei ^{[1
]}

Xiang, Yang ^{[1
]}

机构：

[1] Deakin Univ, Sch Informat Technol, Melbourne, Vic, Australia

来源：

PROCEEDINGS OF THE 2013 IEEE 8TH CONFERENCE ON INDUSTRIAL ELECTRONICS AND APPLICATIONS (ICIEA) | 2013年

关键词：

Audio watermarking; probability density function; patchwork; generalized Gaussian distribution; SEPARATION;

D O I：

暂无

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Recently, a patchwork-based audio watermarking scheme has been proposed in [1], which embeds watermarks by modifying the means of absolute-valued discrete cosine transform (DCT) coefficients corresponding to suitable fragments. This audio watermarking scheme is more robust to common attacks than the existing counterparts. In this paper, we presents a detailed analysis of this audio watermarking scheme. We first derive a probability density function (pdf) of a random variable corresponding to the mean of an absolute-valued DCT fragment. Then, based on the obtained pdf, we show how watermarking parameters affect the performance of the concerned audio watermarking scheme. The analysis result provides a guideline for the selection of watermarking parameters. The effectiveness of our analysis is verified by simulations using a large number of real-world audio segments.

引用

页码：900 / 905

页数：6

共 20 条

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