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[INFO] The threshold selection of face verification #6

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joyhuang9473 opened this issue Apr 20, 2016 · 0 comments
Open

[INFO] The threshold selection of face verification #6

joyhuang9473 opened this issue Apr 20, 2016 · 0 comments
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@joyhuang9473
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reference: happynear/FaceVerification

how much is the best threshold for face authentication.

Three probably answers:

  1. You can use a linear svm to calculate the threshold.
  2. The threshold is determined by 10-fold validation. Using 5400 pair samples for training and 600 pair test, then recycled. L2 and cosine are used to determine the threshold.
  3. I used all training data(944612 images) to train a joint bayesian classifier, then using all 6000 pair samples for testing.
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