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uae's Introduction

Uncertainty Autoencoders

This repository provides a reference implementation for learning uncertainty autoencoders as described in the paper:

Uncertainty Autoencoders: Learning Compressed Representations via Variational Information Maximization Aditya Grover, Stefano Ermon
International Conference on Artificial Intelligence and Statistics (AISTATS), 2019 Paper: https://arxiv.org/abs/1807.01442

Requirements

The codebase is implemented in Python 3.6 and Tensorflow. To install the necessary requirements, run the following commands:

pip install -r requirements.txt

** NOTE: ** An experimental reimplementation is available in pytorch_src/ folder. Use at own risk.

Citing

If you find Uncertainty Autoencoders useful in your research, please consider citing the following paper:

@inproceedings{grover2019uncertainty,
title={Uncertainty Autoencoders: Learning Compressed Representations via Variational Information Maximization},
author={Grover, Aditya and Ermon, Stefano},
booktitle={International Conference on Artificial Intelligence and Statistics},
year={2019}}

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uae's Issues

can I use your approach on deep conv ae ?

I investigated your tf code.

so all what I need for UAE is

  1. transform latent space code
mean = self.encoder(x, reuse=reuse)
eps = tf.random_normal(tf.shape(mean), 0, 1, dtype=tf.float32)
z = tf.add(mean, tf.multiply(std, eps))
= self.decoder(z, reuse=reuse)
  1. remove all bias from decoder layers?

if I use your approach on deep conv ae, will I get better accuracy?
Should I remove biases from all conv and dense layers after latent space ?

I have a question

FileNotFoundError: [Errno 2] No such file or directory: './logs\mnist\nonlinear\50\uae\1\ckpts\best.pt'

Question

The question is regarding the file uae.py, in the algorithm the loss being used is the MSE, which would be the case where the UAE is just a normal autoencoder, is there some other case where the difference with the normal autoencoder is showed?

Regards,

Franciso Barber

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