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Table 1 Comparisons between different types of LBP extensions. The times calculations are based on training and evaluating 27,788 images of size pixels.

From: Co-Occurrence of Local Binary Patterns Features for Frontal Face Detection in Surveillance Applications

Feature type Training Classification
  Feature vector length Feature vector extraction time (sec) Model training time (sec) Trained model number of features Model's feature extraction time (sec)
LBP Histogram 978 10.779 43.927 22 9.117
MB-LBP 8464 31.814 761.491 41 0.368
Sobel-LBP 2049 4.042 298.221 75 2.026
CoLBP 3164 25.245 219.693 38 0.296
CoLBP 3164 25.245 169.158 18 0.280