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Fréchet Inception Distance ​

Fréchet Inception Distance (FID) measure the quality of an AI-generated image. It compares a set of real images from the dataset and the generated images. As 2024, it's a standard metric in this domain.

Inception Score comparison:

  • Both are based on an Inception CNN image classification model
  • FID need a dataset to compare the distribution with generated images
  • Low FID score = outputs are more diverse
  • High Inception score = high-quality individual images.