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Table 7 RD performance and time savings of the approach for GOP = 2 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 = 2 (main 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 0.064 -0.39 58.13 87.06 0.069 -0.48 58.00 85.84
City 0.061 0.34 59.70 87.92 0.049 -0.41 59.39 88.15
Foreman -0.004 1.51 57.17 86.76 -0.039 1.42 59.74 88.30
Soccer -0.016 3.46 62.28 81.24 0.133 1.16 59.36 88.10
Harbor 0.068 -0.52 58.18 85.36 0.055 -0.77 57.20 84.90
Mobile 0.016 -0.13 57.83 85.05 -0.005 1.71 58.89 86.90
Average 0.032 0.71 58.88 85.57 0.044 0.44 58.76 87.03