Table 2 Number of blocks with different metric values after hierarchical division algorithm
From: Reliable 3D video streaming considering region of interest
Blocks’ size | Percent of blocks with | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
6 | 24 | 96 | 384 | 1536 | 6144 | 24576 | 98304 | metric value in a | ||
(2 × 3) | (4 × 6) | (8 × 16) | (16 × 24) | (32 × 48) | (64 × 96) | (128 × 192) | (256 × 384) | specific range(%) | ||
Video “Interview” | ||||||||||
PV | ≤ 1 | 662.78 | 371.67 | 172.54 | 75.80 | 22.28 | 17.82 | 0.68 | 0.00 | 55.68 |
1∼3 | 1008.44 | 618.18 | 336.37 | 133.91 | 25.44 | 2.82 | 0.11 | 0.00 | 41.64 | |
3∼10 | 831.50 | 4.77 | 0.24 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 1.30 | |
≥ 10 | 898.74 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 1.37 | |
CV | ≤ 0.1 | 646.10 | 276.93 | 150.99 | 67.53 | 37.82 | 18.57 | 0.00 | 0.00 | 56.74 |
0.1∼0.2 | 32.79 | 11.21 | 4.24 | 2.59 | 2.59 | 1.28 | 1.93 | 0.00 | 15.57 | |
0.2∼0.3 | 45.37 | 16.27 | 5.67 | 3.80 | 3.92 | 2.40 | 0.00 | 0.00 | 5.96 | |
0.3∼0.4 | 105.10 | 24.84 | 4.11 | 3.00 | 2.19 | 2.34 | 0.00 | 0.00 | 5.22 | |
0.4∼0.5 | 52.64 | 29.00 | 4.31 | 4.34 | 0.56 | 0.84 | 1.69 | 0.07 | 14.55 | |
≥ 0.5 | 1286.22 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 1.96 | |
Video “Orbi” | ||||||||||
PV | ≤ 1 | 542.72 | 295.40 | 172.56 | 69.13 | 34.42 | 4.69 | 0.80 | 0.00 | 39.37 |
1∼3 | 1680.86 | 752.81 | 331.84 | 108.19 | 39.29 | 6.48 | 0.74 | 0.00 | 55.95 | |
3∼10 | 2276.38 | 8.09 | 0.47 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 3.53 | |
≥ 10 | 753.60 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 1.15 | |
CV | ≤ 0.1 | 614.22 | 244.82 | 118.68 | 49.28 | 35.30 | 6.58 | 0.81 | 0.00 | 39.28 |
0.1∼0.2 | 59.43 | 28.10 | 11.99 | 8.81 | 5.51 | 1.64 | 0.10 | 0.00 | 6.76 | |
0.2∼0.3 | 79.78 | 28.24 | 9.36 | 5.84 | 4.41 | 2.56 | 0.48 | 0.40 | 19.80 | |
0.3∼0.4 | 134.88 | 35.41 | 10.13 | 4.74 | 4.08 | 1.38 | 0.22 | 0.61 | 21.54 | |
0.4∼0.5 | 90.23 | 41.59 | 9.84 | 3.82 | 2.31 | 0.80 | 0.00 | 0.30 | 10.66 | |
≥ 0.5 | 1285.50 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 1.96 | |