Information Technology Reference
In-Depth Information
Probability
1
P1
P1
P0
P0
0
0
1
0
0
1
1
symbol
Fig. 21
Process of Arithmetic Coding
Transform and Quantization
of Prediction error
Control
Prediction error =
Input - Prediction
Input
Frame
Quantize &
Transform
coefficients
DCT/
Quantize
(㶎)
Inv.Quantize/
DCT
-1
Prediction
Frame
Entropy
coding
Buffer
㪇
Loop
filter
Motion
Compensation
Frame
memory
Intra/
Inter
Motion
data
Motion
search
Decoded Frame =
Decoded prediction error
+ Prediction
(㶎) “Table Tennis” (MPEG)
Fig. 22
Brock Diagram of Typical Hybrid Coding Architecture
