Page 137 - ITU Journal, ICT Discoveries, Volume 3, No. 1, June 2020 Special issue: The future of video and immersive media
P. 137
ITU Journal: ICT Discoveries, Vol. 3(1), June 2020
Campfire
100 38
90 37
VMAF 80 PSNR (dB) 36
70
60 35
50 34
0 5,000 10,000 15,000 0 10,000 20,000 30,000
Bit rate (kbps) Bit rate (kbps)
100
8
95
6 90
MOS 4 VMAF 85
2
80
0 0 10,000 20,000 30,000
0 5,000 10,000 15,000 Bit rate (kbps)
Bit rate (kbps)
8
Fig. 6 – RD-curves for sequence A3 using
H.264/AVC as base and anchor codec 6
MOS 4
Fortnite (Part 1) 2
38
0 0 10,000 20,000 30,000
36
PSNR (dB) 34 Fig. 8 – RD-curves for sequence A1 using
Bit rate (kbps)
32
30 H.265/HEVC as base and anchor codec
0 5,000 10,000 15,000 20,000
Bit rate (kbps)
36 ParkRunning3
95 34
85 PSNR (dB)
VMAF 75 32
30
65 0 10,000 20,000 30,000
0 5,000 10,000 15,000 20,000 Bit rate (kbps)
Bit rate (kbps)
90
8 85
6 VMAF 80
MOS 4 75
2 70 0 10,000 20,000 30,000
Bit rate (kbps)
0
0 5,000 10,000 15,000 20,000
Bit rate (kbps)
Fig. 7 – RD-curves for sequence A4 using
H.264/AVC as base and anchor codec
© International Telecommunication Union, 2020 115