Geometric Distortions Correction Using Image Moment in Image Watermarking

Geometric Distortions Correction Using Image Moment in Image Watermarking

Zhang Li (Shenzen University, China) and Sam Kwong (City University of Hong Kong, SAR China)
Copyright: © 2005 |Pages: 34
DOI: 10.4018/978-1-59140-518-4.ch005
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Abstract

This chapter presents a method for detecting and recovering geometrical attacks in digital watermarking by making use of geometric moments of the original images. Digital image watermarking has become a popular technique for authentication and copyright protection. However, many proposed image watermarking techniques are sensitive to geometric distortions, such as rotation, scaling, and translation. In this chapter, we propose a new way of making this estimation by using the geometric moments of original image. The moment information can be used as a private key of extraction process. This method can be used as a preprocess of the extraction watermarking process. We have embedded different watermarks into original images in different domains including discrete wavelet transform (DWT), discrete cosine transfrom (DCT), fast Fourier transform, and spatial domain. The experimental results show that our method has a good robustness to wide geometric distortion parameters ranges and it is robust to Stirmark attacks.

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Table of Contents
Foreword
Juergen Seitz
Acknowledgments
Juergen Seitz
Chapter 1
Juergen Seitz, Tino Jahnke
In order to solve intellectual property problems of the digital age, two basic procedures are used: “buy and drop,” linked to the destruction of... Sample PDF
Digital Watermarking: An Introduction
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Chapter 2
Chang-Tsun Li
As the interconnected networks for instant transaction prevail and the power of digital multimedia processing tools for perfect duplication and... Sample PDF
Digital Watermarking Schemes for Multimedia Authentication
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Chapter 3
Dan Yu, Farook Sattar
This chapter focuses on the issue of transaction tracking in multimedia distribution applications through digital watermarking terminology. The... Sample PDF
Digital Watermarking for Multimedia Transaction Tracking
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Chapter 4
Eberhard Stickel
Conventional photographs may easily be used in court as evidence. The complete negative may be inspected. Subsequent numbers are a reliable proof... Sample PDF
A New Public-Key Algorithm for Watermarking of Digital Images
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Chapter 5
Zhang Li, Sam Kwong
This chapter presents a method for detecting and recovering geometrical attacks in digital watermarking by making use of geometric moments of the... Sample PDF
Geometric Distortions Correction Using Image Moment in Image Watermarking
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Chapter 6
Nedeljko Cvejic, Tapio Seppänen
This chapter provides an overview of digital audio watermarking systems, including a description of recently developed watermarking algorithms and... Sample PDF
Audio Watermarking: Requirements, Algorithms, and Benchmarking
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Chapter 7
Jong-Nam Kim, Byung-Ha Ahn
This chapter introduces the watermarking technologies of the MPEG standards and gives information about a framework of watermarking technology for... Sample PDF
MPEG Standards and Watermarking Technologies
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Chapter 8
Ernst L. Leiss
Watermarks provide a means of embedding information into digital videos that can be used for a variety of purposes, such as establishing ownership... Sample PDF
Time-Variant Watermarks for Digital Videos: An MPEG-Based Approach
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Chapter 9
Alexander P. Pons, Hassan Aljifri
In the past decade, the business community has embraced the capabilities of the Internet to provide a multitude of services that involve access to... Sample PDF
Active Watermarking System: Protection of Digital Media
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About the Authors