Table 5 Comparison of the proposed hybrid algorithm against the existing algorithms and HM 13.0
From: A fast HEVC intra-coding algorithm based on texture homogeneity and spatio-temporal correlation
Class | Resolution | Sequence | Gao [9] | Shang [20] | Zhang [21] | Proposed | ||||
|---|---|---|---|---|---|---|---|---|---|---|
| Â | Â | Â | BDBR | TR | BDBR | TR | BDBR | TR | BDBR | TR |
A | 2560×1600 | Traffic | 0.90 | 27.3 | 0.37 | 38.6 | 0.78 | 55.4 | 1.47 | 54.4 |
| Â | Â | PeopleOnStreet | 0.90 | 24.7 | 0.41 | 37.1 | 0.92 | 53.7 | 1.99 | 61.0 |
B | 1920×1080 | BasketballDrive | – | – | – | – | 0.77 | 65.1 | 1.87 | 60.1 |
|  |  | BQTerrace | – | – | 0.69 | 40.4 | 0.61 | 53.4 | 1.24 | 57.4 |
| Â | Â | Kimono1 | 1.30 | 24.1 | 0.28 | 43.1 | 0.66 | 65.8 | 0.83 | 70.7 |
| Â | Â | Cactus | 1.00 | 24.2 | 0.71 | 38.2 | 0.72 | 54.0 | 1.52 | 54.7 |
|  |  | ParkScene | 0.70 | 26.1 | – | – | 0.70 | 54.1 | 1.09 | 56.3 |
C | 832×480 | BasketballDrill | 1.20 | 28.6 | 0.77 | 36.9 | 0.84 | 45.0 | 1.89 | 52.9 |
| Â | Â | BQMall | 0.90 | 34.2 | 0.91 | 37.6 | 0.59 | 50.8 | 1.73 | 52.2 |
|  |  | PartyScene | 0.70 | 27.3 | – | – | 0.63 | 39.4 | 1.64 | 48.7 |
|  |  | RaceHorses | – | – | – | – | 0.68 | 51.7 | 1.46 | 52.0 |
D | 416×240 | BasketballPass | 1.20 | 32.5 | 0.84 | 35.2 | 0.77 | 50.7 | 1.62 | 53.3 |
|  |  | BlowingBubbles | – | – | 0.83 | 35.8 | 0.45 | 40.6 | 1.23 | 46.4 |
|  |  | BQSquare | 1.10 | 26.7 | – | – | 0.74 | 44.0 | 2.18 | 48.6 |
|  |  | RaceHorses | 1.00 | 29.3 | – | – | 0.57 | 44.3 | 1.58 | 49.5 |
E | 1280×720 | FourPeople | 1.10 | 22.3 | 0.71 | 38.3 | 0.96 | 60.3 | 1.85 | 55.5 |
| Â | Â | Johnny | 1.30 | 29.7 | 0.55 | 39.7 | 1.18 | 67.2 | 2.06 | 65.1 |
— | — | Average | 1.02 | 27.5 | 0.64 | 38.3 | 0.74 | 52.7 | 1.60 | 55.2 |