What is: k-Sparse Autoencoder?
Source | k-Sparse Autoencoders |
Year | 2000 |
Data Source | CC BY-SA - https://paperswithcode.com |
k-Sparse Autoencoders are autoencoders with linear activation function, where in hidden layers only the highest activities are kept. This achieves exact sparsity in the hidden representation. Backpropagation only goes through the the top activated units. This can be achieved with a ReLU layer with an adjustable threshold.