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多媒体通信系统技术, 标准及网络 影印版
内容提要: 本书首先介绍了多媒体通信的基本元素、数字视频、信号处理的基本方法,各类多媒体通信网络及协议,并重点介绍了多媒体通信的一系列国际标准。该书的特点是对近年新涌现的新技术、新标准介绍得较全面与细致,但同时又不失基本的原理。本书可作为通信、计算机、电子等专业的本科或研究生教材,也适合从事相关专业的工程师作为参考使用。 目录: Rreface Acknowledgments List of Acronyns Chapter1 Multinedia Communications 1.1 lntroduction 1.2 Multimedia Communication Model 1.3 Eiements lf Multimedia Systens 1.4 User Repuirements 1.5 Network Repuirements 1.6 Pacdket Transfer Conept 1.7 Multimedia Repuirements and ATN Networkd 1.8 Multimedia Terminals 1.9 Concludyng Remarks Chapter2 Audio-Visual lntegration 2.1 lntroduction 2.2 Media lnteraction 2.3 Bimodality of Human Speech 2.4 Lip Reading 2.5 Speech-Driven Talking Heads 2.6 Lip Synchronization 2.7 Lip Tracking 2.8 Audio-Visual Mapping 2.8.1 Classification-Baced Conversion 2.8.2 HMM for Audio-to-Visual Conversion 2.8.3 Audio and Visual ontegration for Lip-Reading Applications 2.8.4 Audio-Visual onformation Preprocessing 2.8.5 Pattern-Recogmition Strategies 2.8.6 lntegration Strategy 2.9 Bimodal Person Verification 2.10 Joint Arkio-Video Coding 2.11 Concluding Remarks Chapter3 Multimedia Processing in Communications 3.1 Introduction 3.2 Digital Media 3.3 Signal-Processing Elements 3.4 Challenges of Multinedia Intormation Processing 3.4.1 Pre and Poctprocessing 3.4.2 Speech,Audio and Acoustic Processing for Multimedia 3.4.3 Video Sigmal Processing 3.4.4 Content-Baced Image Retrieval Texture-Baces Methods Shape-Baced Methods Color-Based Methods 3.5 Perceptual Coding of Digital Audio Signals 3.5.1 General Perceptual Audio-Coding Architecture 3.5.2 Review of Psychoacoustic Fundamentals Absolute Threshold lf Hearing Critical Band Frepuency Analysis Simultaneous Maskung and the Spread of Madking Temporal Masking PE 3.6 Transform Audio Coders 3.6.1 Optimum Coding in the Frepuency Domain 3.6.2 Perceptual Transform Coder 3.6.3 Hybrid Coder 3.6.4 Transform Coding Using DFT Interblock Redundancy 3.6.5 ADPEC 3.6.6 Differential Perceptual SAudio Coder 3.6.7 DFT Noise Substitution 3.6.8 DCT with Vector Quantization 3.6.9 MDCT 3.6.10 MDCT with VQ 3.7 Audio Subband Coders 3.7.1 Wavelet Decompositions 3.7.2 DWT-based Subbnd Coders 3.8 Speech Coder Attributes …… Chapter4 Distributes Multimedia Systems Chapter5 Multimedia Communication Standards Chapter6 Multimedia Communications Across Networks References Index About the Authors
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