H.264 Prediction: Difference between revisions
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=== DC === | === DC === | ||
* H.264: mode 2 | |||
* SVQ3: mode 2 | |||
* RV40: mode 2 | |||
A | B C D E | |||
---------------- | |||
F | Z Z Z Z | |||
G | Z Z Z Z | |||
H | Z Z Z Z | |||
I | Z Z Z Z | |||
where Z is computed as: | |||
Z = (B + C + D + E + F + G + H + I + 4) / 8 | |||
=== Diagonal Down/Left === | === Diagonal Down/Left === |
Revision as of 16:34, 29 July 2007
This page documents the various prediction methods used in H.264 and related formats such as Sorenson Video 3 and RealVideo 4.
4x4 Prediction Modes
Vertical
- H.264: mode 0
- SVQ3: mode 0
- RV40: mode 0
A | B C D E ---------------- F | B C D E G | B C D E H | B C D E I | B C D E
Horizontal
- H.264: mode 1
- SVQ3: mode 1
- RV40: mode 1
A | B C D E ---------------- F | F F F F G | G G G G H | H H H H I | I I I I
DC
- H.264: mode 2
- SVQ3: mode 2
- RV40: mode 2
A | B C D E ---------------- F | Z Z Z Z G | Z Z Z Z H | Z Z Z Z I | Z Z Z Z
where Z is computed as:
Z = (B + C + D + E + F + G + H + I + 4) / 8