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Table 5 RD performance and time savings of the approach for GOP = 16 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 = 16 (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

0.325

0.58

69.47

85.97

-0.673

1.90

67.61

86.89

City

-0.040

3.14

69.01

85.45

-0.140

1.96

67.16

86.39

Foreman

-0.333

3.36

65.30

82.47

-0.104

4.86

66.74

85.88

Soccer

0.068

3.03

66.02

81.60

0.031

3.60

65.29

83.83

Harbor

0.199

0.99

65.13

80.51

0.280

2.43

62.78

81.15

Mobile

0.024

1.18

63.31

79.07

0.218

0.17

63.41

81.66

Average

0.041

2.05

66.37

82.51

-0.065

2.49

65.50

84.30