Spatial correlation-based side information refinement for distributed video coding

EURASIP Journal on Advances in Signal Processing

Table 5 PSNR (dB) of four groups of blocks of the progressive architecture with three refinement passes

	Group 1	Group 2	Δ PSNR124D	Group 3	Δ PSNR13EC	Group 4	Δ PSNR14AN
GOP = 2
Foreman	29.558	31.917	2.359	33.402	3.844	33.61	4.052
Coastguard	31.761	29.306	-2.455	33.167	1.406	32.703	0.942
Hall monitor	36.084	35.82	-0.264	36.976	0.892	36.724	0.640
Soccer	21.678	25.167	3.489	27.517	5.839	27.782	6.104
Carphone	29.353	31.223	1.870	32.476	3.123	33.079	3.726
Average	29.686	30.686	1.00	32.707	3.021	32.779	3.093
GOP = 4
Foreman	27.78	30.918	3.138	32.399	4.619	32.695	4.915
Coastguard	30.144	28.361	-1.783	32.12	1.976	31.586	1.442
Hall monitor	34.902	34.751	-0.151	36.055	1.153	35.93	1.028
Soccer	20.509	24.024	3.515	26.34	5.831	26.547	6.038
Carphone	28.837	30.838	2.001	32.103	3.266	32.733	3.896
Average	28.434	29.778	1.3440	31.803	3.3690	31.898	3.464
GOP = 8
Foreman	26.407	30.033	3.626	31.551	5.144	31.921	5.514
Coastguard	29.082	27.782	-1.30	31.278	2.196	30.78	1.698
Hall monitor	34.053	34.106	0.053	35.204	1.151	35.15	1.097
Soccer	19.908	23.4844	3.5764	25.726	5.818	25.964	6.056
Carphone	28.203	30.449	2.246	31.8	3.597	32.375	4.172
Average	27.531	29.170	1.639	31.112	3.581	31.238	3.707

$Δ {PSNR}_{12}^{4D}$ , 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; $Δ {PSNR}_{14}^{AN}$ , PSNR difference between group 4 refined using the AN template and group 1.