Scidata.FashionMNIST (Scidata v0.1.4) View Source

Module for downloading the FashionMNIST dataset.

Link to this section Summary

Functions

Downloads the FashionMNIST training dataset or fetches it locally.

Downloads the FashionMNIST test dataset or fetches it locally.

Link to this section Functions

Downloads the FashionMNIST training dataset or fetches it locally.

Returns a tuple of format:

{{images_binary, images_type, images_shape},
 {labels_binary, labels_type, labels_shape}}

If you want to one-hot encode the labels, you can:

labels_binary
|> Nx.from_binary(labels_type)
|> Nx.new_axis(-1)
|> Nx.equal(Nx.tensor(Enum.to_list(0..9)))

Examples

iex> Scidata.FashionMNIST.download()
{{<<105, 109, 97, 103, 101, 115, 45, 105, 100, 120, 51, 45, 117, 98, 121, 116,
    101, 0, 236, 253, 7, 88, 84, 201, 215, 232, 11, 23, 152, 38, 57, 51, 166,
    81, 71, 157, 209, 49, 135, 49, 141, 99, 206, 142, 57, 141, 89, 68, ...>>,
  {:u, 8}, {3739854681, 226418, 1634299437}},
 {<<0, 3, 116, 114, 97, 105, 110, 45, 108, 97, 98, 101, 108, 115, 45, 105, 100,
    120, 49, 45, 117, 98, 121, 116, 101, 0, 53, 221, 9, 130, 36, 73, 110, 100,
    81, 219, 220, 150, 91, 214, 249, 251, 20, 141, 247, 53, 114, ...>>, {:u, 8},
  {3739854681}}}

Downloads the FashionMNIST test dataset or fetches it locally.