Adaptive Rate Control Algorithm for H.264/AVC Considering Scene Change

Table 1

Performance comparisons of proposed and JVT-G012 algorithm.

Sequence	Target	JVT-G012			Proposed
	Rate (kbits)	Bit rate; (kbits)	PSNR; (dB)	PSNR deviation	Bit rate; (kbits)	PSNR gain (dB)	PSNR deviation
Suzie-football	32	33.44	25.72	7.32	32.85	0.15	7.16
Suzie-football	64	64.80	27.58	7.39	64.40	0.44	7.19
Foreman-mobile	32	32.33	29.25	3.86	32.15	0.29	3.64
Foreman-mobile	64	65.29	30.02	5.9	65.50	0.46	4.34
Foreman-silent-news	48	47.98	36.50	1.11	48.18	0.18	1.15
Foreman-silent-news	64	64.02	37.97	1.53	63.93	0.10	1.59
Bus-coastguard-news	32	32.00	26.43	5.57	31.86	0.12	5.48
Bus-coastguard-news	64	64.00	29.68	5.98	64.17	0.12	6.02
Football-foreman-mobile-suzie	64	64.59	27.50	4.32	63.99	0.26	4.22
Football-foreman-mobile-suzie	96	95.70	29.45	4.93	95.34	0.20	4.85
Football-foreman-mobile-suzie	128	128.01	31.02	5.39	128.10	0.08	5.56