Table 3 Performance of the proposed algorithm by combining with a conventional motion estimation algorithm
Sequence | QP | Conventional method | Cond MinSad | Cond MaxSad | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
|  |  | PSNR | BR | ME time | ΔPSNR | ΔBR | RR | ΔPSNR | ΔBR | RR |
| Â | Â | (dB) | (Mbps) | (ms) | (dB) | (%) | Â | (dB) | (%) | Â |
BQT | 12 | 50.34 | 380.91 | 20.81 | 0.01 | 0.08 | 0.48 | 0.03 | 0.18 | 0.75 |
| Â | 18 | 45.12 | 216.47 | 19.95 | 0.00 | 0.23 | 0.47 | 0.01 | 0.50 | 0.74 |
| Â | 24 | 39.21 | 90.54 | 18.05 | 0.00 | 0.59 | 0.49 | 0.00 | 1.06 | 0.74 |
|  | 30 | 35.09 | 20.84 | 15.57 | 0.00 | 1.22 | 0.44 | −0.01 | 1.92 | 0.71 |
BD | 12 | 50.08 | 283.53 | 27.91 | 0.01 | −0.01 | 0.22 | 0.03 | −0.02 | 0.52 |
| Â | 18 | 44.31 | 138.69 | 27.05 | 0.01 | 0.15 | 0.22 | 0.01 | 0.37 | 0.51 |
|  | 24 | 39.65 | 35.65 | 24.31 | 0.00 | 0.22 | 0.25 | −0.01 | 0.85 | 0.51 |
| Â | 30 | 37.49 | 12.01 | 21.96 | 0.00 | 0.15 | 0.14 | 0.00 | 1.21 | 0.43 |
K | 12 | 49.37 | 109.12 | 29.94 | 0.00 | 0.02 | 0.16 | 0.00 | 0.06 | 0.38 |
|  | 18 | 43.94 | 36.06 | 29.51 | −0.01 | 0.12 | 0.17 | −0.01 | 0.28 | 0.39 |
|  | 24 | 41.86 | 10.89 | 27.57 | 0.00 | 0.06 | 0.16 | −0.01 | 0.34 | 0.35 |
|  | 30 | 39.95 | 4.85 | 24.86 | 0.00 | −0.02 | 0.07 | −0.01 | 0.30 | 0.24 |
CP | 12 | 51.44 | 32.19 | 10.87 | 0.01 | 0.52 | 0.10 | 0.03 | 1.75 | 0.33 |
|  | 18 | 47.21 | 18.24 | 10.59 | 0.00 | 0.64 | 0.10 | −0.01 | 2.58 | 0.32 |
|  | 24 | 42.81 | 9.93 | 10.16 | 0.00 | 0.80 | 0.10 | −0.02 | 3.44 | 0.32 |
|  | 30 | 38.26 | 5.11 | 9.39 | −0.01 | 0.79 | 0.09 | −0.03 | 3.88 | 0.31 |
PS | 12 | 49.54 | 124.18 | 20.78 | 0.00 | 0.02 | 0.47 | 0.00 | 0.06 | 0.63 |
| Â | 18 | 43.66 | 49.82 | 20.27 | 0.00 | 0.05 | 0.47 | 0.00 | 0.20 | 0.65 |
| Â | 24 | 39.87 | 15.23 | 18.72 | 0.00 | 0.12 | 0.46 | 0.00 | 0.60 | 0.64 |
|  | 30 | 36.56 | 5.61 | 18.36 | 0.00 | 0.05 | 0.33 | −0.01 | 0.71 | 0.56 |
FP | 12 | 49.44 | 76.49 | 6.50 | 0.00 | 0.07 | 0.20 | 0.00 | 0.09 | 0.55 |
| Â | 18 | 45.01 | 23.02 | 5.40 | 0.00 | 0.07 | 0.22 | 0.00 | 0.25 | 0.57 |
| Â | 24 | 42.28 | 4.48 | 3.93 | 0.00 | 0.16 | 0.21 | 0.00 | 0.80 | 0.49 |
| Â | 30 | 39.37 | 1.39 | 4.03 | 0.01 | 0.29 | 0.15 | 0.00 | 0.73 | 0.45 |
KS | 12 | 49.50 | 66.53 | 6.55 | 0.01 | 0.07 | 0.09 | 0.01 | 0.12 | 0.53 |
| Â | 18 | 45.56 | 19.26 | 5.05 | 0.01 | 0.11 | 0.08 | 0.00 | 0.37 | 0.54 |
| Â | 24 | 43.02 | 3.98 | 3.96 | 0.00 | 0.23 | 0.06 | 0.00 | 0.95 | 0.46 |
| Â | 30 | 40.11 | 1.27 | 4.04 | 0.01 | 0.24 | 0.04 | 0.00 | 1.43 | 0.37 |
PS | 12 | 49.96 | 281.31 | 72.57 | 0.00 | 0.06 | 0.22 | 0.01 | 0.29 | 0.49 |
| Â | 18 | 45.09 | 138.68 | 70.08 | 0.00 | 0.10 | 0.20 | 0.01 | 0.60 | 0.47 |
| Â | 24 | 40.91 | 58.89 | 65.52 | 0.00 | 0.12 | 0.17 | 0.00 | 1.03 | 0.47 |
|  | 30 | 37.50 | 25.09 | 60.40 | −0.01 | 0.10 | 0.11 | −0.01 | 1.20 | 0.40 |
Average | Â | Â | Â | Â | 0.00 | 0.23 | 0.22 | 0.00 | 0.88 | 0.49 |