Table 4 Coding efficiency (-BDR%) of PropME over ConvME for different configurations in video transcoding application
From: An R-D optimized transcoding resilient motion vector selection
Ref | Configuration | Rate control = OFF | Rate control = ON | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Â | Â | QCIF | CIF | 4CIF | HD | Avr. | QCIF | CIF | 4CIF | HD | Avr. |
1 | D1MD0 | 23.1 | 28.8 | 42.3 | 53.3 | 36.9 | 21.1 | 26.7 | 37.5 | 51.2 | 34.1 |
| Â | D1MD4 | 17.8 | 23.5 | 36.8 | 41.7 | 29.9 | 16.9 | 22.8 | 33.2 | 38.4 | 27.8 |
| Â | D1MD1 | 2.8 | 3.2 | 4.2 | 8.1 | 4.6 | 2.9 | 3.7 | 4.1 | 7.8 | 4.6 |
| Â | D1MD2 | 3.0 | 3.3 | 4.6 | 8.8 | 4.9 | 2.9 | 3.9 | 4.6 | 8.6 | 5.0 |
| Â | D0MD0 | 11.2 | 16.9 | 27.6 | 39.9 | 23.9 | 10.4 | 16.6 | 25.4 | 38.3 | 22.7 |
| Â | D0MD4 | 9.6 | 13.9 | 21.7 | 27.3 | 18.1 | 9.1 | 13.9 | 21.2 | 25.8 | 17.5 |
| Â | D0MD1 | 1.2 | 1.4 | 2.4 | 5.1 | 2.5 | 0.9 | 1.9 | 2.2 | 4.9 | 2.5 |
| Â | D0MD2 | 1.2 | 1.6 | 2.6 | 5.5 | 2.7 | 1.0 | 1.8 | 2.4 | 5.4 | 2.6 |
5 | D1MD0 | 19.2 | 27.1 | 42.0 | 47.0 | 33.8 | 17.8 | 24.6 | 37.1 | 45.0 | 31.1 |
| Â | D1MD4 | 6.8 | 11.8 | 22.8 | 35.9 | 19.3 | 6.7 | 12.0 | 21.1 | 31.6 | 17.8 |
| Â | D1MD1 | 2.9 | 4.0 | 5.9 | 7.4 | 5.1 | 3.1 | 4.5 | 5.7 | 6.7 | 5.0 |
| Â | D1MD2 | 3.0 | 4.3 | 6.4 | 7.8 | 5.4 | 3.0 | 4.9 | 6.3 | 7.0 | 5.3 |
| Â | D0MD0 | 6.2 | 11.8 | 25.1 | 27.1 | 17.6 | 6.2 | 12.1 | 23.1 | 26.0 | 16.8 |
| Â | D0MD4 | 1.9 | 4.2 | 9.7 | 16.7 | 8.1 | 2.2 | 3.8 | 10.1 | 15.3 | 7.9 |
| Â | D0MD1 | 0.9 | 1.5 | 1.8 | 3.9 | 2.0 | 0.8 | 1.7 | 1.7 | 3.8 | 2.0 |
| Â | D0MD2 | 0.8 | 1.6 | 1.9 | 4.0 | 2.1 | 0.9 | 1.8 | 1.7 | 4.0 | 2.1 |