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Table 3 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 (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 0.219 0.04 74.58 85.80 0.328 -0.45 74.69 86.45
City 0.064 1.93 75.69 86.04 0.200 0.66 76.30 86.96
Foreman 0.251 2.34 72.68 83.55 -0.112 3.01 74.63 85.65
Soccer 0.043 2.24 72.11 81.83 0.021 2.37 72.35 83.05
Harbor 0.107 -0.68 68.30 78.88 0.175 -1.22 71.75 81.57
Mobile 0.142 0.15 65.37 76.51 0.229 -1.69 69.83 80.37
Average 0.138 1.00 71.46 82.10 0.140 0.45 73.26 84.01