Spatial correlation-based side information refinement for distributed video coding

EURASIP Journal on Advances in Signal Processing

Table 4 PSNR (dB) of three groups of blocks of the progressive architecture with two refinement passes

	Group 1	Group 2	Δ PSNR124D	Group 3	Δ PSNR13EC
GOP = 2
Foreman	29.558	31.917	2.359	33.357	3.799
Coastguard	31.761	29.306	-2.455	32.882	1.121
Hall monitor	36.084	35.82	-0.264	36.792	0.708
Soccer	21.678	25.167	3.489	27.533	5.855
Carphone	29.353	31.223	1.870	32.637	3.284
Average	29.686	30.686	1.00	32.640	2.954
GOP = 4
Foreman	27.78	30.918	3.138	32.353	4.573
Coastguard	30.144	28.361	-1.783	31.777	1.633
Hall monitor	34.902	34.751	-0.151	35.93	1.028
Soccer	20.509	24.024	3.515	26.338	5.829
Carphone	28.842	30.833	1.991	32.262	3.420
Average	28.435	29.777	1.342	31.732	3.297
GOP = 8
Foreman	26.407	30.033	3.626	31.523	5.116
Coastguard	29.082	27.782	-1.30	30.956	1.874
Hall monitor	34.053	34.106	0.053	35.398	1.345
Soccer	19.908	23.484	3.576	25.741	5.833
Carphone	28.202	30.455	2.253	31.920	3.718
Average	27.530	29.172	1.642	31.107	3.577

$Δ {PSNR}_{12}^{4D}$ , PSNR difference between group 2 refined using the 4D template and group 1; $Δ {PSNR}_{13}^{EC}$ , PSNR difference between group 3 refined using the EC template and group 1.