Estimation of Modelling Parameters for H.263-Quantized Video Traces

Table 1

Statistics for Aviator (22 min) and Jethro Tull (30,55 min) in unconstrained mode, constant quantizer 𝑄.

𝑄	Aviator					Jethro
	Rate	Mean	Variance	𝛼	𝛽	Rate	Mean	Variance	𝛼	𝛽
2	677	3385	5900630	1.94	1743.29	700	3817	6338374	2.30	1660.74
3	430	2153	2788937	1.66	1295.12	456	2488	3088517	2.00	1241.17
4	317	1585	1618647	1.55	1021.52	341	1860	1845143	1.88	991.76
5	240	1201	999173	1.44	832.02	262	1429	1173983	1.74	821.52
6	192	963	669046	1.39	694.59	212	1156	807965	1.66	698.66
7	158	792	470254	1.34	593.49	175	957	580782	1.58	606.70
8	134	672	344746	1.31	512.65	149	816	436341	1.53	534.90
9	114	574	255208	1.29	444.90	127	697	329451	1.48	472.46
10	99	499	195853	1.27	392.65	111	606	257134	1.43	424.27
11	83	430	152470	1.21	354.34	101	525	206670	1.33	393.50
12	74	384	122190	1.21	318.42	90	467	167740	1.30	359.02
13	66	345	98506	1.21	285.53	81	419	137440	1.28	328.06
14	60	313	81893	1.20	261.46	73	379	115710	1.24	305.20
15	55	287	69001	1.19	240.66	67	345	98748	1.21	285.88