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Table 2 Estimated errors of rates and PSNRs with the proposed algorithm in terms of GOP sizes

From: Distributed video coding supporting hierarchical GOP structures with transmitted motion vectors

Sequence QP Rate (%) PSNR (%)
Average rate difference Average PSNR difference
GOP8 GOP4 GOP2 GOP8 GOP4 GOP2
Akko 33 0.725 0.328 0.219 0.078 0.063 0.033
37 0.814 0.423 0.257 0.088 0.072 0.035
41 0.993 0.519 0.310 0.115 0.076 0.046
45 0.939 0.654 0.390 0.151 0.111 0.055
49 1.057 0.696 0.399 0.168 0.124 0.061
Ballroom 33 1.027 0.434 0.222 0.111 0.065 0.025
37 1.116 0.526 0.326 0.132 0.081 0.036
41 1.186 0.609 0.313 0.155 0.100 0.046
45 1.308 0.696 0.405 0.163 0.109 0.045
49 1.156 0.622 0.360 0.216 0.155 0.065
Flamenco2 33 0.596 0.376 0.202 0.099 0.077 0.036
37 0.509 0.373 0.245 0.100 0.074 0.031
41 0.683 0.518 0.294 0.123 0.102 0.055
45 1.075 0.692 0.405 0.128 0.106 0.049
49 0.857 0.628 0.362 0.212 0.168 0.084
Race1 33 0.910 0.361 0.168 0.095 0.067 0.025
37 0.788 0.411 0.214 0.120 0.079 0.032
41 0.940 0.465 0.265 0.152 0.107 0.040
45 0.986 0.629 0.344 0.175 0.115 0.054
49 1.270 0.684 0.404 0.282 0.153 0.083
Average 0.944 0.577 0.320 0.143 0.104 0.049