Optimized Rate Control Algorithm of High-Efficiency Video Coding Based on Region of Interest

Table 4

Experimental results among the ORC algorithm, the K0103 algorithm, and algorithm in [31].

		K0103 algorithm		[31] algorithm		ORC algorithm
		ROI	RONI	ROI	RONI	ROI	RONI
BasketballDrill 1920  1080	500	29.62	29.60	29.88	29.48	30.01	29.49
	1000	31.99	31.95	33.20	31.88	33.31	31.91
	2000	34.01	33.95	34.91	34.19	36.24	33.93
	4000	36.18	36.10	36.35	36.12	37.55	36.19
FourPeople 1280  720	500	37.59	37.57	37.84	37.40	37.98	37.36
	1000	40.39	40.39	40.62	40.24	40.71	40.21
	2000	42.40	42.34	42.56	42.26	42.71	42.31
	4000	44.09	44.01	45.23	43.99	36.54	36.20
BQMall 832  480	500	30.63	30.61	30.87	30.47	32.04	30.44
	1000	32.77	32.71	32.97	32.63	34.11	32.67
	2000	35.63	35.55	32.77	32.51	36.99	35.59
	4000	38.02	37.94	39.15	37.91	39.31	37.93
RaceHorse 416  240	500	34.16	34.16	34.41	34.05	34.64	34.08
	1000	37.33	37.31	37.57	37.25	38.77	37.27
	2000	39.95	39.89	40.09	39.83	41.22	39.80
	4000	43.50	43.42	44.63	43.39	45.72	43.40
Average		36.77	36.72	37.07	36.48	37.55	36.17