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Table 8 RD performance and time savings of the approach for GOP = 4 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 = 4 (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 0.166 0.15 77.92 88.55 0.230 -1.30 76.24 88.17
City 0.141 2.07 77.47 88.49 0.017 0.36 76.29 88.23
Foreman 0.048 3.46 77.21 88.08 -0.016 3.20 76.51 88.35
Soccer -0.095 5.42 74.86 85.97 0.079 3.45 75.47 87.06
Harbor 0.171 -0.40 75.56 86.49 0.136 -0.83 74.56 86.35
Mobile 0.041 0.76 74.49 85.66 0.097 -0.63 74.20 85.94
Average 0.079 1.91 76.25 87.21 0.091 0.71 75.55 87.35