0x422 Model
Evaluation
Metric (FID, Fréchet inception distance) Assess the quality of generative datasets (thus its underlying generative model) using Wasserstein metric between
- multi-dim Gaussian fitting to the internal activations of generative model
- multi-dim Gaussian fitting to the activations of real images
Recall the Wasserstein of gaussian has closed form.
Note that FID is not fully aligned with perceptual quality. The low-level image processing (e.g. resizing, compression) might impact it according to this work
Here is an implementation on github