Table 2 Probability of skin color pixels for one MB
From: Region-of-interest determination and bit-rate conversion for H.264 video transcoding
Number of skin color pixels (%) | 0 to 51 | 52 to 102 | 103 to 153 | 154 to 204 | 205 to 256 |
|---|---|---|---|---|---|
P(skin) | 78.79 | 6.53 | 2.49 | 1.86 | 10.32 |
P(skin|ROI) | 27.60 | 17.33 | 8.22 | 6.80 | 40.05 |
P(ROI|skin) | 8.61 | 65.26 | 81.18 | 89.90 | 95.43 |
P real(ROI|skin) | 8.61 | 65.22 | 81.01 | 89.83 | 95.41 |