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Questions tagged [bottlenecks]

For questions about "bottlenecks" in dimensional reduction, typically in reference to Artificial Neural Networks and Autoencoders.

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18
votes
3answers
19k views

What is the concept of Tensorflow Bottlenecks?

What is the concept and how does one calculate Bottleneck values? How do these values help image classification? Please explain in simple words.
11
votes
2answers
13k views

What are bottleneck features?

In the blog post Building powerful image classification models using very little data, bottleneck features are mentioned. What are the bottleneck features? Do they change with the architecture that is ...
2
votes
0answers
16 views

Does bottleneck size matter in Disentangled Variational Autoencoders?

I suppose that picking an appropriate size for the bottleneck in Autoencoders is neither a trivial nor an intuitive task. After watching this video about VAEs, I've been wondering: Do disentangled ...
1
vote
1answer
56 views

Autoencoder: predictions missing for nodes in the bottleneck layer

I'm using tf.Keras to build a deep-fully connected autoencoder. My input dataset is a dataframe with shape (19947,), and the purpose of the autoencoder is to predict normalized gene expression values. ...