Real-Time Video Compression Techniques and Algorithms
Contents<br>Preface vii<br>1<br>1. The Problem of Video Compression<br>3<br>1.1 Overview of Video Compression Techniques<br>6<br>1.2 Applications of Compressed Video<br>8<br>1.3 Image and Video Formats<br>12<br>1.4 Overview of the Book<br>15<br>2. The MPEG Video Compression Standard<br>15<br>2.1 MPEG Encoder and Decoder<br>18<br>2.2 MPEG Data Stream<br>23<br>3. The H.261/H.263 Compression Standard for Video Telecommunications<br>24<br>3.1 Picture Formats for H.261/H.263 Video Codecs<br>25<br>3.2 H.261/H.263 Video Encoder<br>28<br>3.3 H.261/H.263 Video Decoder<br>29<br>4. The XYZ Video Compression Algorithm<br>29<br>4.1 XYZ Compression Algorithm<br>32<br>4.2 XYZ Decompression Algorithm<br>37<br>5. The Discrete Cosine Transform<br>37<br>5.1 Behavior of the DCT<br>40<br>5.2 Fast One-dimensional DCT Algorithms<br>47<br>5.3 Two-dimensional DCT Algorithms<br>50<br>5.4 Inverse DCT Algorithms<br> <br><br>Page vi<br>5.5 Three-dimensional DCT Algorithms 51<br>57<br>6. Quantization<br>58<br>6.1 Defining an Invariant Measure of Error<br>62<br>6.2 Calculation of Transform Variances<br>65<br>6.3 Generating Quantizer Factors<br>67<br>6.4 Adding Human Visual Factors<br>73<br>7. Entropy Coding<br>73<br>7.1 Huffman Coding<br>76<br>7.2 Use of Entropy Coding in JPEG and MPEG<br>78<br>7.3 Adaptive Huffman Coding<br>83<br>8. VLSI Architectures of the XYZ Video Codec<br>83<br>8.1 Complexity of the Video Compression Algorithms<br>86<br>8.2 From Algorithms to VLSI Architectures<br>87<br>8.3 Classification of Video Codec VLSI Architectures<br>90<br>8.4 Implementation of the XYZ Video Compression Algorithm<br>103<br>8.5 Adaptive XYZ Codec Using Mesh Architecture<br>111<br>8.6 XYZ Codec Based on Fast 3D DCT Coprocessor<br>123<br>9. Experimental Results Using XYZ Compression<br>124<br>9.1 PC Implementation<br>138<br>9.2 MasPar Implementation<br>144<br>9.3 Non-adaptive XYZ Compression<br>151<br>10. Conclusion<br>155<br>Bibliography<br>163<br>Index
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