Capsule neural network: Difference between revisions

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{{Short description|Type of artificial neural network}}

A '''capsule neural network''' ('''CapsNet''') is a machine learning system that is a type of [[artificial neural network]] (ANN) that can be used to better model hierarchical relationships. The approach is an attempt to more closely mimic biological neural organization.<ref name=":1" />

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== Pooling ==

Capsnets reject the [[convolutional neural network#Pooling layer|pooling layer]] strategy of conventional CNNs that reduces the amount of detail to be processed at the next higher layer. Pooling allows a degree of translational invariance (it can recognize the same object in a somewhat different ___location) and allows a larger number of feature types to be represented. Capsnet proponents argue that pooling:<ref name=":1"/>

* violates biological shape perception in that it has no intrinsic coordinate frame;

* provides invariance (discarding positional information) instead of equivariance (disentangling that information);