Table 2 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 (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 | 0.042 | -0.05 | 57.96 | 85.38 | 0.055 | -0.08 | 58.94 | 86.64 |
City | 0.026 | 0.92 | 57.16 | 84.16 | 0.055 | 0.25 | 58.24 | 85.61 |
Foreman | 0.077 | 1.21 | 56.20 | 82.70 | -0.059 | 1.51 | 58.12 | 85.46 |
Soccer | 0.036 | 1.45 | 54.34 | 79.86 | 0.021 | 1.28 | 56.28 | 82.85 |
Harbor | 0.022 | -0.13 | 52.91 | 77.95 | 0.047 | -0.35 | 56.12 | 80.58 |
Mobile | 0.033 | -0.15 | 52.28 | 76.93 | 0.080 | -1.10 | 54.51 | 80.09 |
Average | 0.039 | 0.54 | 55.14 | 81.16 | 0.033 | 0.25 | 57.03 | 83.54 |