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1 vote
0 answers
29 views

Is this a reasonable way to transform simple MSE loss function to weighted MSE for neural networks?

The idea is tested on a dataset with a clear outlier (see picture below) ...
0 votes
0 answers
33 views

What is the network structure of Ademxapp Model A1 Trained on Cityscapes Data in the Mathematica?

I want to implement the model (Ademxapp Model A1 Trained on Cityscapes Data) on my data for segmentation, so I need the partial structure of this model, can anyone help?
8 votes
1 answer
187 views

Optimize a network topology?

I'd like to know if one can use optimization function like Maximize[] or BayesianMaximize[] to optimize the hyper-parameters of ...
5 votes
0 answers
158 views

How to train each layer in a Neural Network so they optimize different loss functions in an adversarial network?

Example NetGraph to illustrate the idea (Input is an online signal with a value between -1 and 1, Noise is Gaussian Centered at 0 and standard deviation 0.1, EvilNet is constrained to output a value ...
2 votes
0 answers
107 views

Specifying feature types for BayesianMinimization

I'd like to use Bayesian optimization over a pair of features, one nominal, one numerical. If I do something like this: ...
5 votes
0 answers
157 views

What's BayesianMinimization and related functions based on?

Is it specified anywhere what the backend is for the Bayesian optimization related functionality in Mathematica v11? I'm specifically referring to the Bayesian* ...
2 votes
0 answers
1k views

Stochastic Gradient Descent with constraints

Let's say we have a convex objective function $f(\textbf{x})$, with $\textbf{x}\in R^n$ which we want to minimise under a set of constraints. The problem is that calculating $f$ exactly is not ...