MPEG-4 facial animation : the standard, implementation and applications / / edited by Igor S. Pandzic and Robert Forchheimer

• Pubblicazione: Chichester ; ; Hoboken, NJ, : J. Wiley, c2002
• Descrizione fisica: 1 online resource (329 p.)
• Disciplina: 006.6/96; 621.388
• Soggetto topico: MPEG (Video coding standard); Computer animation - Standards; Face perception - Data processing - Standards; Facial expression - Computer simulation - Standards; Digital video
• Altri autori: PandzicIgor S ForchheimerRobert
• Note generali: Description based upon print version of record.
• Nota di bibliografia: Includes bibliographical references and index.
• Nota di contenuto: MPEG-4 Facial Animation The Standard, Implementation and Applications; Contents; List of Contributors; Author Biographies; Foreword; Preface; PART 1 BACKGROUND; 1 The Origins of the MPEG-4 Facial Animation Standard; Abstract; 1.1 Introduction; 1.2 The Need for Parameterization; 1.3 The Ideal Parameterization; 1.4 Is MPEG-4 FA up to the Ideal?; 1.4.1 Conclusion; 1.5 Brief History of Facial Control Parameterization; 1.6 The Birth of the Standard; Acknowledgments; References; PART 2 THE STANDARD; 2 Face Animation in MPEG-4; Abstract; 2.1 Introduction; 2.2 Specification and Animation of Faces ; 2.2.1 MPEG-4 Face Model in Neutral State2.2.2 Face Animation Parameters; 2.2.3 Face Model Specification; 2.3 Coding of Face Animation Parameters; 2.3.1 Arithmetic Coding of FAPs; 2.3.2 DCT Coding of FAPs; 2.3.3 FAP Interpolation Tables; 2.4 Integration of Face Animation and Text-to-Speech Synthesis; 2.5 Integration with MPEG-4 Systems; 2.6 MPEG-4 Profiles for Face Animation; 2.7 Conclusion; References; Annex; 3 MPEG-4 Face Animation Conformance; 3.1 Introduction; 3.2 MPEG Conformance Principles; 3.3 MPEG-4 Profile Architecture; 3.4 The Minimum Face; 3.5 Graphics Profiles ; 3.6 Conformance Testing3.7 Summary; PART 3 IMPLEMENTATIONS; 4 MPEG-4 Facial Animation Framework for the Web and Mobile Applications; Abstract; 4.1 Introduction; 4.2 The Facial Animation Player; 4.3 Producing Animatable Face Models; 4.4 The Facial Motion Cloning Method; 4.4.1 Interpolation from 2-D Triangle Mesh; 4.4.2 Normalizing the Face; 4.4.3 Computing Facial Motion; 4.4.4 Aligning Source and Target Ace; 4.4.5 Mapping Facial Motion; 4.4.6 Antialiasing; 4.4.7 Treating the Lip Region; 4.4.8 Treating Eyes, Teeth, Tongue and Global Motion; 4.4.9 Facial Motion Cloning Results ; 4.5 Producing Facial Animation Content4.6 Conclusion; Acknowledgments; References; 5 The Facial Animation Engine; 5.1 Introduction; 5.2 The FAE Block Diagram; 5.3 The Face Model; 5.3.1 Mesh Geometry Description; 5.3.2 Mesh Semantics Description; 5.3.3 The Model Authoring Tool; 5.3.4 Sample Face Models; 5.4 The Mesh Animation Block; 5.4.1 Animation Results; 5.5 The Mesh Calibration Block; 5.5.1 Multilevel Calibration with RBF; 5.5.2 Calibration with Texture; 5.5.3 Calibration Results; 5.6 The Mesh Simplification Block; 5.6.1 Iterative Edge Contraction and Quadric Error Metric ; 5.6.2 Simplification of MPEG-4 Animated Faces5.6.3 Simplification with Textures; 5.6.4 Simplification Results; 5.7 The FAP Decoding Block; 5.7.1 FAP Interpolation; 5.8 The Audio Decoding Block; 5.9 The Implementation; 5.9.1 Performances; References; 6 Extracting MPEG-4 FAPS from Video; 6.1 Introduction; 6.2 Methods for Detection and Tracking of Faces; 6.3 Active and Statistical Models of Faces; 6.3.1 The Active Appearance Model Search Algorithm; 6.3.2 Training for Active Appearance Model Search; 6.4 An Active Model for Face Tracking; 6.4.1 Analysis - Synthesis; 6.4.2 Collecting Training Data ; 6.4.3 Tracking a Face with the Active Model
• Sommario/riassunto: Provides several examples of applications using the MPEG-4 Facial Animation standard, including video and speech analysis.Covers the implementation of the standard on both the encoding and decoding side.Contributors includes individuals instrumental in the standardization process.
• Titolo autorizzato: MPEG-4 facial animation
• ISBN: 1-280-27007-1; 9786610270071; 0-470-33904-7; 0-470-85461-8; 0-470-85462-6
• Formato: Materiale a stampa
• Livello bibliografico: Monografia
• Lingua di pubblicazione: Inglese
• Record Nr.: 9910142530603321
• Lo trovi qui: Univ. Federico II