TensorFlow-VAE-GAN-DRAW | generative methods implemented with TensorFlow ( Deep | Machine Learning library
kandi X-RAY | TensorFlow-VAE-GAN-DRAW Summary
kandi X-RAY | TensorFlow-VAE-GAN-DRAW Summary
A collection of generative methods implemented with TensorFlow (Deep Convolutional Generative Adversarial Networks (DCGAN), Variational Autoencoder (VAE) and DRAW: A Recurrent Neural Network For Image Generation).
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Top functions reviewed by kandi - BETA
- Apply filter
- Apply filterbank transformation
- Compute the gaussian parameters
- Generate and save images to directory
- Calculates the cost of the reconstruction cost of the target tensor
- Gets the variance of the mean and variance
- Define the discriminator
- Transformer layer
- Update the parameters of the optimizer
TensorFlow-VAE-GAN-DRAW Key Features
TensorFlow-VAE-GAN-DRAW Examples and Code Snippets
Community Discussions
Trending Discussions on TensorFlow-VAE-GAN-DRAW
QUESTION
I think I understand the paper of Auto-Encoding Variational Bayes. And I am reading some tensorflow codes implementing this paper. But I don't understand their loss function in those codes. Since lots of codes are written in same way, probably I am wrong.
The problem is like this. The following equation is from AEVB paper. The loss function is like this equation. This equation can be divided into two: Regularization term and Reconstruction term. Therefore, it becomes
...ANSWER
Answered 2017-Aug-08 at 12:54Equation (10) is the log-likelihood loss we want to maximize. It is equivalent to minimizing the negative log-likelihood (NLL). This is what optimization functions do in practice. Note that the Reconstruction_term
is already negated in tf.nn.sigmoid_cross_entropy_with_logits
(see https://github.com/tegg89/VAE-Tensorflow/blob/master/model.py#L96). We need to negate the Regularization_term
as well.
So the code implements Loss_function = -Regularization_term + -Reconstruction_term
.
Community Discussions, Code Snippets contain sources that include Stack Exchange Network
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Install TensorFlow-VAE-GAN-DRAW
You can use TensorFlow-VAE-GAN-DRAW like any standard Python library. You will need to make sure that you have a development environment consisting of a Python distribution including header files, a compiler, pip, and git installed. Make sure that your pip, setuptools, and wheel are up to date. When using pip it is generally recommended to install packages in a virtual environment to avoid changes to the system.
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