AI engineering glossary · Deep learning core

What is bottleneck?

Bottleneck: A deliberately narrow layer in a network that forces information through far fewer units than the layers around it. It compresses data into its essential features, reduces parameter counts and, in autoencoders, is where the compact code lives.

Level: intermediateTopic: Deep learning core

Bottleneck: an example

A layer of 32 units between layers of 784 and 784 is a bottleneck in an autoencoder.

Related terms

More Deep learning core terms

Where you learn it

Bottleneck is part of the AI Engineering Program, which teaches it with notes, a hands-on lab and an exam. The first lesson is free.

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