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Advances in Visual Data Compression and Communication
book

Advances in Visual Data Compression and Communication

by Feng Wu
July 2014
Intermediate to advanced content levelIntermediate to advanced
513 pages
16h 40m
English
Auerbach Publications
Content preview from Advances in Visual Data Compression and Communication
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36 2 Hybrid Video Coding
Figure 2.9 Intra 4 × 4 prediction. (a) the prediction of pixels a–p is conducted from pixels AQ;
(b) Eight prediction directions for a 4 × 4 block.
2.3.2 Intra Prediction
Originally, H.264 had two different intra predictions: 4 × 4 prediction and 16 × 16
prediction. The 4 × 4 prediction is well suited for coding of parts of a picture with
significant detail. The 16 × 16 prediction is more suited for coding very smooth areas
of a picture. The 8 × 8 prediction is introduced later in the high profile.
When using the 4 × 4 prediction, each 4 × 4 block is predicted from spatially
neighboring pixels as illustrated in Figure ...
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Publisher Resources

ISBN: 9781482234138