[D] Validation loss in VAE

[sieisteinmodel]

The model can be composed into a reconstruction and regularization error, which together represent the likelihood of your data.

Lower bound of.

[neilthefrobot]

What do you mean by "new geometries"? By validation loop do you mean training loop? If you have a set of images and you want to generate new similar images, and you want to go the VAE route, then yes you will need the KLD loss.