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Autor: Jean-Luc Dugelay
ISBN-13: 9780470510780
Einband: E-Book
Seiten: 210
Sprache: Englisch
eBook Typ: PDF
eBook Format: E-Book
Kopierschutz: Adobe DRM [Hard-DRM]
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3D Object Processing

Compression, Indexing and Watermarking
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The arrival, and continuing evolution, of high quality 3D objectshas been made possible by recent progress in 3D scanner acquisitionand 3D graphics rendering. With this increasingquality comes a corresponding increase in the size and complexityof the data files and the necessity for advances in compressiontechniques. Effective indexing to facilitate the retrieval of the3D data is then required to efficiently store, search and recapturethe objects that have been compressed. The application of 3D imagesin fields such as communications, medicine and the military alsocalls for copyright protection, or watermarking, to secure the datafor transmission.
Written by expert contributors, this timely text brings togetherthe three important and complementary topics of compression,retrieval and watermarking techniques for 3D objects. 3Dobject processing applications are developing rapidly and this booktackles the challenges and opportunities presented, focusing on thesecure transmission, sharing and searching of 3D objects onnetworks, and includes:
* an introduction to the commonly used 3D representation schemes;the characteristics, advantages and limitations of polygonalmeshes, surface based models and volumetric models;
* 3D compression techniques; the 3D coding and decoding schemesfor reducing the size of 3D data to reduce transmission time andminimize distortion;
* state of the art responses to the intrinsic challenges ofbuilding a 3D-model search engine, considering view-based,structural and full-3D approaches;
* watermarking techniques for ensuring intellectualproperty protection and content security without altering thevisual quality of the 3D object.

3D Object Processing: Compression, Indexing andWatermarking is an invaluable resource for graduate studentsand researchers working in signal and image processing, computeraided design, animation and imaging systems. Practising engineerswho want to expand their knowledge of 3D video objects, includingdata compression, indexing, security, and copyrighting ofinformation, will also find this book of great use.
About the Contributors vii

Introduction 1

1 Basic Background in 3D Object Processing 5
Guillaume Lavoué

1.1 3D Representation and Models 5

1.2 3D Data Source 28

1.3 3D Quality Concepts 34

1.4 Summary 39

References 40

2 3D Compression 45
Guillaume Lavoué, Florent Dupont, Atilla Baskurt

2.1 Introduction 45

2.2 Basic Review of 2D Compression 46

2.3 Coding and Scalability Basis 48

2.4 Direct 3D Compression 51

2.5 Compression Based on Approximation 70

2.6 Normative Aspect: MPEG-4 76

2.7 Conclusion 77

2.8 Summary 78

2.9 Questions and Problems 79

References 80

3 3D Indexing and Retrieval 87
Stefano Berretti, Mohamed Daoudi, Alberto Del Bimbo, TarikFilali Ansary, Pietro Pala, Julien Tierny, Jean-PhillippeVandeborre

3.1 Introduction 87

3.2 Statistical Shape Retrieval 96

3.3 Structural Approaches 114

3.4 Transform-based Approaches: Spin Images 120

3.5 View-based Approach 123

3.6 Normative Aspect: MPEG-7 133

3.7 Summary 134

References 135

4 3D Object Watermarking 139
Jihane Bennour, Jean-Luc Dugelay, Emmanuel Garcia, NikosNikolaidis

4.1 Introduction 139

4.2 Basic Review of Watermarking 140

4.3 Watermarking Principles Applied to 3D Objects 144

4.4 A Guided Tour of 3D Watermarking Algorithms 153

4.5 Concluding Remarks 172

4.6 Summary 175

4.7 Questions and Problems 176

References 180

Conclusion 185

Index 191

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Autor: Jean-Luc Dugelay
ISBN-13 :: 9780470510780
ISBN: 0470510781
Verlag: John Wiley & Sons
Seiten: 210
Sprache: Englisch
Auflage 1. Auflage
Sonstiges: Ebook