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Table 6 RD performance and time savings of the approach for GOP = 32 and different resolutions

From: Low-complexity transcoding algorithm from H.264/AVC to SVC using data mining

RD performance and time savings of the H.264/AVC-to-SVC transcoder

GOP = 32 (baseline profile)

Sequence

QCIF (15 Hz)

CIF (30 Hz)

 

ΔPSNR (dB)

ΔBitrate (%)

Time saving (%)

ΔPSNR (dB)

ΔBitrate (%)

Time saving (%)

Full seq.

Partial

Full seq.

Partial

Hall

0.291

1.16

66.84

86.94

0.756

1.17

66.62

86.39

City

-0.192

3.64

66.89

85.93

-0.104

2.77

66.27

85.99

Foreman

-0.116

5.51

63.75

82.56

-0.264

5.31

66.05

85.59

Soccer

0.073

4.53

63.92

81.96

0.019

3.97

64.59

83.52

Harbor

0.122

2.41

61.86

80.05

-0.009

2.46

62.64

81.25

Mobile

0.039

2.25

61.59

79.70

0.158

1.62

62.65

81.46

Average

0.036

3.25

64.14

82.86

0.093

2.88

64.80

84.03