Table 2 Resulting Δ Z (%) and Δ T (%) values for the tested image sequences using the proposed two-stage method
QP | Stage | Class B | Class C | Class D | Class E | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
N=8 | 16 | 32 | N=8 | 16 | 32 | N=8 | 16 | 32 | N=8 | 16 | 32 | ||
22 | Stage 1 | 0.45 | 0.71 | 0 | 4.88 | 6.88 | 3.57 | 4.78 | 8.13 | 4.22 | 24.9 | 17.4 | 6.92 |
Stage 2 | 23.3 | 7.24 | 5.72 | 22.8 | 12.1 | 7.98 | 23.1 | 12.6 | 8.12 | 15.8 | 15.6 | 7.61 | |
Δ Z Total | 23.75 | 7.95 | 5.72 | 27.68 | 18.98 | 11.55 | 27.88 | 20.73 | 12.34 | 40.7 | 34.0 | 14.53 | |
Δ T | −12.3 | −11.6 | −13.5 | −14.3 | |||||||||
27 | Stage 1 | 13.3 | 12.8 | 0.15 | 18.2 | 17.1 | 11.3 | 17.7 | 18.6 | 12.5 | 17.6 | 30.6 | 17.4 |
Stage 2 | 27.6 | 18.5 | 9.5 | 23.6 | 18.1 | 14.4 | 24.1 | 20.4 | 16.7 | 23.1 | 26.3 | 15.6 | |
Δ Z Total | 40.9 | 31.3 | 9.65 | 41.8 | 35.2 | 25.7 | 41.8 | 39.0 | 29.2 | 40.7 | 56.9 | 34.0 | |
Δ T | −14.0 | −13.8 | −14.3 | −17.5 | |||||||||
32 | Stage 1 | 27.2 | 26.9 | 15.3 | 27.1 | 26.7 | 23.1 | 28.1 | 27.2 | 23.1 | 28.4 | 50.9 | 24.9 |
Stage 2 | 22.6 | 21.6 | 20.2 | 21.7 | 17.1 | 15.3 | 23.4 | 19.9 | 17.0 | 26.1 | 20.6 | 15.8 | |
Δ Z Total | 49.8 | 48.5 | 35.5 | 48.8 | 43.8 | 38.4 | 51.5 | 47.1 | 40.1 | 54.5 | 71.5 | 40.7 | |
Δ T | −16.6 | −15.4 | −17.0 | −18.8 | |||||||||
37 | Stage 1 | 33.8 | 31.1 | 27.2 | 38.8 | 32.2 | 28.3 | 39.9 | 33.1 | 28.5 | 47.8 | 62.4 | 31.8 |
Stage 2 | 16.8 | 15.7 | 17.1 | 15.6 | 15.3 | 15.5 | 15.7 | 16.1 | 16.4 | 15.8 | 18.2 | 16.1 | |
Δ Z Total | 50.6 | 46.8 | 44.3 | 54.4 | 47.5 | 43.8 | 55.6 | 49.2 | 44.9 | 63.6 | 80.6 | 47.9 | |
Δ T | −18.9 | −16.5 | −19.1 | −20.7 | |||||||||