Rate-Distortion Optimized Frame Dropping for Multiuser Streaming and Conversational Videos

Table 3

Performance bounds of PRED.

Rate (kbps)	80	120	160	200	240	280	320	360
Normalized rate	0.285	0.428	0.570	0.713	0.855	0.998	1.140	1.283
${\text{PSNR}}_{\max }$ (dB)	26.43	27.75	29.37	31.91	35.18	36.83	37.82	38.23
${\text{PSNR}}_{\min }$ (dB)	14.03	16.67	21.68	28.17	32.77	34.73	36.50	37.47