2022

Taming Normalizing Flows

Malnick, Shimon, Avidan, Shai, Fried, Ohad

Understand

We propose an algorithm for taming Normalizing Flow models - changing the probability that the model will produce a specific image or image category.

  • We focus on Normalizing Flows because they can calculate the exact generation probability likelihood for a given image.
  • We demonstrate taming using models that generate human faces, a subdomain with many interesting privacy and bias considerations.
  • Our method can be used in the context of privacy, e.g., removing a specific person from the output of a model, and also in the context of debiasing by forcing a model to output specific image categories according to a given target distribution.

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