Table 3 Comparison of the proposed fast CU size decision 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 | Min [2] | Shen [3] | Huang [8] | Proposed | ||||
|---|---|---|---|---|---|---|---|---|---|---|
| Â | Â | Â | BDBR | TR | BDBR | TR | BDBR | TR | BDBR | TR |
A | 2560×1600 | Traffic | 0.80 | 57.4 | 0.80 | 23.0 | 0.70 | 43.2 | 0.29 | 27.2 |
| Â | Â | PeopleOnStreet | 0.50 | 55.9 | 0.60 | 30.0 | 0.70 | 37.5 | 0.35 | 22.9 |
B | 1920×1080 | BasketballDrive | 0.70 | 52.5 | 2.80 | 22.0 | 0.60 | 46.8 | 0.88 | 38.5 |
| Â | Â | BQTerrace | 0.40 | 45.3 | 0.60 | 17.0 | 0.50 | 42.3 | 0.24 | 28.0 |
| Â | Â | Cactus | 0.60 | 47.7 | 0.60 | 19.0 | 0.80 | 42.9 | 0.29 | 27.7 |
| Â | Â | Kimono1 | 3.60 | 57.4 | 0.50 | 21.0 | 1.20 | 50.9 | 0.40 | 56.8 |
| Â | Â | ParkScene | 0.60 | 48.0 | 0.70 | 26.0 | 0.80 | 43.8 | 0.42 | 28.8 |
C | 832×480 | BasketballDrill | 1.00 | 50.7 | 0.60 | 17.0 | 0.60 | 36.1 | 0.34 | 22.7 |
| Â | Â | BQMall | 0.60 | 51.9 | 0.40 | 22.0 | 0.80 | 33.9 | 0.26 | 24.2 |
| Â | Â | PartyScene | 0.00 | 40.2 | 0.00 | 19.0 | 0.40 | 31.3 | 0.02 | 18.3 |
| Â | Â | RaceHorses | 0.20 | 48.9 | 0.30 | 21.0 | 0.50 | 38.9 | 0.56 | 25.6 |
D | 416×240 | BasketballPass | 0.60 | 50.5 | 0.40 | 21.0 | 0.20 | 33.3 | 0.27 | 28.0 |
| Â | Â | BlowingBubbles | 0.20 | 42.2 | 0.00 | 24.0 | 0.10 | 24.9 | 0.05 | 26.3 |
| Â | Â | BQSquare | 0.00 | 42.8 | 0.10 | 22.0 | 0.00 | 30.1 | 0.03 | 28.7 |
| Â | Â | RaceHorses | 0.50 | 41.1 | 0.10 | 25.0 | 0.20 | 26.8 | 0.20 | 28.1 |
E | 1280×720 | FourPeople | 0.70 | 58.5 | 0.50 | 23.0 | 0.80 | 38.7 | 0.24 | 28.3 |
| Â | Â | Johnny | 1.30 | 65.1 | 2.00 | 26.0 | 0.80 | 47.1 | 0.38 | 43.3 |
— | — | Average | 0.68 | 49.4 | 0.56 | 22.0 | 0.56 | 37.6 | 0.30 | 28.8 |