Page 272 - Video Coding for Mobile Communications Efficiency, Complexity, and Resilience

Section 10.5. Temporal Error Concealment for Multiple-Reference 249

Temporal-component recovery, Akiyo, M=10, QP=10, Skip=3 Temporal-component recovery, Akiyo, M=10, QP=10, Macroblock error rate=20%
31 30
ZR-ZR ZR-ZR
ZR-AV ZR-AV
30.5 ZR-BM 29.8 ZR-BM
ZR-MFI ZR-MFI
29.6
30
29.4
29.5 29.2
PSNR Y (dB) 29 PSNR Y (dB) 29
28.5
28.8
28
28.6
27.5
28.4
27 28.2
26.5 28
10 20 30 40 50 1 2 3 4
Macroblock error rate (%) Frame skip
(a) Performance over a range of error rates (b) Performance over a range of frame skips
Figure 10.11: Temporal-component recovery for QSIF AKIYO with M =10 and QP =10
Temporal-component recovery, Foreman, M=10, QP=10, Skip=3 Temporal-component recovery, Foreman, M=10, QP=10, Macroblock error rate=20%
24 21
ZR-ZR
ZR-AV
23 ZR-BM 20.8
ZR-MFI
20.6
22
20.4
21 20.2
PSNR Y (dB) 20 PSNR Y (dB) 20
19
19.8
18
19.6
17
19.4
ZR-ZR
16 19.2 ZR-AV
ZR-BM
ZR-MFI
15 19
10 20 30 40 50 1 2 3
4
Macroblock error rate (%) Frame skip
(a) Performance over a range of error rates (b) Performance over a range of frame skips
Figure 10.12: Temporal-component recovery for QSIF FOREMAN with M =10 and QP =10
Temporal-component recovery, Table Tennis, M=10, QP=10, Skip=3 Temporal-component recovery, Table Tennis, M=10, QP=10, Macroblock error rate=20%
25 22
ZR-ZR ZR-ZR
ZR-AV ZR-AV
24 ZR-BM 21.8 ZR-BM
ZR-MFI ZR-MFI
21.6
23
21.4
22 21.2
PSNR Y (dB) 21 PSNR Y (dB) 21
20 20.8
20.6
19
20.4
18
20.2
17 20
10 20 30 40 50 1 2 3
4
Macroblock error rate (%) Frame skip
(a) Performance over a range of error rates (b) Performance over a range of frame skips
Figure 10.13: Temporal-component recovery for QSIF TABLE TENNIS with M =10 and QP =10