to do when coming back from vacation

[dalessioluca]

I have to:

1. Increase encoder from 28x28 to 56x56
2. encode the background in a small latent variable
3. change factor_balance_range: [0.1, 0.8, 0.9]
4. Monitor the 3 different term in sparsity
5. Since I have sparsity (which constraint the number of pixels) maybe I can just sum the KL together without rescaling?!

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4. the real deal is to use multi-objective optimization instead of GECO
5. test that encoder/decoder are powerfull enough. For that I can create a dataset of isolated cells

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6. use Neptune
7. reduce channels after UNET to 2 (one should be the original image, the other something else)