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Table 5 Encoding execution time (s) for encoding the entire Foreman and Soccer sequences

From: Encoder-driven rate control and mode decision for distributed video coding

 

AVC Intra

Proposed feedback-free DVC

QP

C Intra(s)

QM

C Key(s)

C WZ(s)

C SI(s)

C Hash(s)

C FBF(s)

C FBF C Intra

C FBF + RA C Intra

Intra

Foreman

GOP2

40

14.22

1

7.01

0.95

0.99

0.70

9.65

0.68

0.61

  

34

16.54

4

7.83

1.56

0.97

0.07

10.43

0.63

0.57

  

29

18.97

7

8.95

2.41

0.95

0.07

12.37

0.65

0.60

  

25

21.92

8

10.45

2.94

0.94

0.07

14.40

0.66

0.61

 

GOP8

40

14.22

1

1.71

1.65

1.57

0.12

5.04

0.35

0.25

  

34

16.54

4

2.02

2.90

1.63

0.12

6.66

0.40

0.31

  

29

18.97

7

2.29

4.05

1.57

0.11

8.02

0.42

0.34

  

25

21.92

8

2.62

4.99

1.56

0.12

9.29

0.42

0.35

Soccer

GOP2

44

13.05

1

6.79

0.89

0.92

0.07

8.66

0.66

0.59

  

36

14.49

4

7.35

1.65

0.95

0.07

10.02

0.69

0.63

  

31

16.12

7

7.82

2.38

0.91

0.07

11.17

0.69

0.64

  

25

20.72

8

9.79

2.90

0.91

0.07

13.66

0.66

0.62

 

GOP8

44

13.05

1

1.62

1.57

1.61

0.11

4.91

0.38

0.25

  

36

14.49

4

1.95

2.75

1.58

0.11

6.38

0.44

0.33

  

31

16.12

7

2.03

4.07

1.55

0.11

7.76

0.48

0.39

  

25

20.72

8

2.52

5.05

1.56

0.12

9.25

0.45

0.37

  1. Comparison between H.264/AVC Intra (C Intra), the proposed feedback-free WZ codec (C FBF) and the proposed feedback-free WZ codec using reference frame averaging (C FBF+RA).