also: オートエンコーダー
autoencoder
A type of neural network used for unsupervised learning of efficient codings, typically for dimensionality reduction or feature learning.
An autoencoder learns to compress input data and then reconstruct it.
Autoencoders are sometimes used for image denoising.
Borrowed from English 'autoencoder', a compound of 'auto-' (self) and 'encoder'.