Dataformat that stores the ISV matrices (U and D subspaces)

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Dataformat that stores the ISV U subspace (session offset) and the D subspace (client offset).

This container stores:

  • subspace_u: The session offset matrix (U subspace)
  • subspace_d: The user offset vector (D subspace)

Specific details can be found in [McCool2013].

This algorithm relies on the Bob library.

  1. McCool, et al.: Session variability modelling for face authentication. IET biometrics 2.3 (2013): 117-129.
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