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Table 2 Statistics of the skip mode selection in all considered test sequences, organized in a GOP of 2, 4 and 8

From: Encoder-driven rate control and mode decision for distributed video coding

  QM GOP2 (%) GOP4 (%) GOP8 (%)
Foreman 1 34 38 na na 34 40 na na 33 42 na na
   28 na na na 26 na na na 25 na na na
   na na na na na na na na na na na na
   na na na na na na na na na na na na
  8 2 3 4 13 2 3 3 14 2 3 3 14
   4 4 4 13 3 4 4 12 3 4 4 12
   4 6 2 6 3 6 2 7 3 5 2 7
   13 16 6 na 13 18 6 na 14 18 6 na
Soccer 1 31 50 na na 28 54 na na 27 57 na na
   19 na na na 18 na na na 16 na na na
   na na na na na na na na na na na na
   na na na na na na na na na na na na
  8 0 0 2 18 0 0 2 18 0 0 2 18
   0 1 5 17 0 1 5 18 0 1 5 18
   2 4 5 9 2 5 4 8 2 4 4 8
   14 14 9 na 15 15 9 na 15 15 8 na
  1. The results of two RD points are shown, namely the lowest rate point, corresponding to QM1, and the highest rate point, corresponding to QM8. When a frequency band is not coded, as prescribed, skip mode selection is not applicable (na), since the band is skipped by definition.