Video Compression Demystified

Name: Video Compression Demystified
Price: 2.77 USD
Availability: InStock
ISBN: 9780071363242

ISBN-10: 0071363246

ISBN-13: 9780071363242

Edition: 2001

Authors: Peter D. Symes

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Video compression is the squeezing of huge video data files into smaller, faster files without losing image quality. This guide deals with major compression standards, starting with the basics and providing a trouble-shooting program.

Book details

Copyright year: 2001
Publisher: McGraw-Hill Professional Publishing
Publication date: 12/20/2000
Binding: Paperback
Pages: 346
Size: 7.25" wide x 9.25" long x 1.00" tall
Weight: 1.628
Language: English

Preface	p. xiii
Acknowledgments	p. xv
What Is Compression?	p. 1
Introduction	p. 2
Information and Data	p. 2
Information Reduction	p. 4
Lossless Compression	p. 5
Run-Length Encoding	p. 5
Entropy Encoding	p. 6
Lossy Compression	p. 8
Image Compression Standards	p. 10
Symmetric and Asymmetric Systems	p. 11
Why Do I Care?	p. 12
Upcoming Topics	p. 12
An Introduction to Images	p. 15
Introduction	p. 16
Video or Computer Graphics?	p. 16
Sampling and Quantization	p. 17
Sampling Rate and Aliasing	p. 18
One-Dimensional Sampling	p. 18
Two-Dimensional Sampling	p. 26
Temporal Sampling	p. 29
Entropy Coding	p. 35
Introduction	p. 36
Entropy	p. 36
Huffman Codes	p. 41
Dangers of Variable-length Coding	p. 43
Modified Huffman Codes	p. 44
Arithmetic Encoding	p. 47
Predictive Coding	p. 49
Markov Sources	p. 50
Differential Pulse Code Modulation	p. 54
Predicting Image Values	p. 56
Adaptive Prediction	p. 59
Transforms	p. 67
Introduction	p. 68
Time, Space, and Frequency Domains	p. 70
Frequency and Spatial Frequency	p. 72
The Discrete Cosine Transform	p. 74
The Fourier Approach to DCT	p. 76
DCT in Terms of Basis Functions	p. 81
DCT as Axis Rotation	p. 85
DCT Examples	p. 87
DCT Failure	p. 88
Quantization	p. 91
Introduction	p. 92
Mean Square Error	p. 92
Types of Quantizer	p. 93
Uniform Scalar Quantizer	p. 94
Nonuniform Scalar Quantizers	p. 95
The Lloyd-Max Quantizer	p. 97
Entropy-constrained Quantizers	p. 97
Vector Quantization	p. 98
Applications of Quantization	p. 100
Direct Image Quantization	p. 100
Quantization with Predictive Coding	p. 103
JPEG	p. 107
Introduction	p. 108
Baseline JPEG	p. 109
Image Data Encoding	p. 109
JPEG Baseline Encoding and Decoding	p. 110
DCT Transform	p. 113
Quantization	p. 116
Scanning, Descriptors, and Entropy Coding	p. 119
Assembling the Bit Stream	p. 125
Parsing the Received Bit Stream	p. 125
Recovering the Quantized Coefficients	p. 126
Dequantization	p. 127
Inverse DCT	p. 127
Comparison	p. 129
Examples of Baseline JPEG	p. 129
JPEG Extensions	p. 130
Motion JPEG	p. 131
Motion Compensation	p. 137
Introduction	p. 138
Temporal Redundancy	p. 138
Motion Aliasing	p. 138
The Motion Compensation Approach	p. 139
Static Backgrounds	p. 139
Motion Vectors	p. 141
Block Matching	p. 143
Matching Criteria	p. 143
Optimum Block Size	p. 143
Full-Search Block Matching	p. 145
Hierarchical Block Matching	p. 146
Residuals	p. 147
Other Motion Estimators	p. 148
Restricted Search Systems	p. 148
Phase Correlation Motion Estimation	p. 149
MPEG-1	p. 151
Introduction	p. 152
What MPEG Defines	p. 153
Hierarchy and Terminology	p. 154
Frame Types in MPEG	p. 156
Intraframes (I-frames)	p. 156
Non-intra Frames (P-frames and B-frames)	p. 156
MPEG Group of Pictures	p. 158
Coding of Macroblocks	p. 160
Intracoding of Macroblocks	p. 161
Non-intracoding of Macroblocks	p. 162
Rate Control	p. 165
The MPEG Encoder and Decoder	p. 169
MPEG-2	p. 171
Introduction	p. 172
MPEG-2 Enhancements	p. 173
Color Space	p. 173
Slice Structure	p. 173
Quantization	p. 173
Concealment Motion Vectors	p. 174
3:2 Pulldown	p. 175
Pan and Scan	p. 175
MPEG-2 Profiles and Levels	p. 175
Interlace Tools	p. 178
Frame and Field Pictures	p. 179
Frame and Field DCT	p. 180
Frame and Field Prediction	p. 182
Scalable Coding Profiles	p. 183
MPEG-2 System Layer	p. 184
Packetized Elementary Stream	p. 185
Program Stream	p. 185
Transport Stream	p. 186
Practicing the Art of MPEG	p. 189
Contributors to Poor Performance	p. 189
MPEG Artifacts	p. 190
Tips for Higher Quality	p. 191
MPEG-4	p. 193
Introduction	p. 194
Video in MPEG-4	p. 198
MPEG-4 Video Hierarchy	p. 198
Shape Coding	p. 199
Texture Coding	p. 201
Boundary Coding	p. 203
Coding of Arbitrary-Shaped Video Objects	p. 203
Sprites	p. 204
Static Texture Coding	p. 206
Animations	p. 206
Scalability	p. 207
Advanced Coding Extensions (ACE)	p. 209
Visual Profiles	p. 210
Scene Compositing and Interaction	p. 214
Scene Modeling	p. 214
Interaction	p. 215
Work in Progress	p. 215
Studio Profiles	p. 215
Fine Grain Scalability	p. 216
Future Work	p. 218
Conclusion	p. 219
MPEG-7 and MPEG-21	p. 221
Introduction	p. 222
MPEG-7	p. 222
Concepts of MPEG-7	p. 222
MPEG-7 Terminology	p. 225
MPEG-7 Structure	p. 226
MPEG-7 Visual	p. 227
Summary	p. 228
MPEG-21	p. 230
Pro-MPEG and MPEG Operating Ranges	p. 233
Introduction	p. 234
Goals of Pro-MPEG	p. 235
DV Compression	p. 241
Introduction	p. 242
Basic Concepts of DV Compression	p. 243
Detailed Description	p. 244
25 Mbits/s Compression	p. 244
50 Mbits/s Compression	p. 252
Wavelets	p. 255
Introduction	p. 256
More about Fourier Transforms	p. 256
Wavelets Concept	p. 260
Wavelets as Filters	p. 261
Wavelet Compression	p. 266
JPEG2000	p. 271
Introduction	p. 272
Limitations of the Original JPEG System	p. 272
Goals of JPEG2000	p. 273
Audio Compression	p. 275
Introduction	p. 276
Masking in Human Hearing	p. 277
Simple Audio Compression Schemes	p. 278
Quadrature Mirror Filters	p. 280
Subband Coding	p. 284
Bit Allocation	p. 286
Transform Coding	p. 286
Example Compression Systems	p. 287
Audio Compression in MPEG	p. 287
Audio Compression for ATSC	p. 288
Streaming Media	p. 293
Introduction	p. 294
Applications for Streaming Media	p. 295
Standards for Streaming Media	p. 297
Closing Thoughts	p. 299
Introduction	p. 300
Fractal Compression	p. 300
Statistical Multiplexing	p. 300
Concatenated Compression Systems	p. 303
Switching MPEG	p. 306
MPEG Applications	p. 310
Some Solutions	p. 310
Mezzanine Compression Systems	p. 312
A Glimpse into the Future	p. 315
Glossary	p. 317
Bibliography	p. 329
Internet Resources	p. 333
About the CD-ROM	p. 337
Index	p. 339
Table of Contents provided by Syndetics. All Rights Reserved.