Function mindspore::dataset::Mnist

Function Documentation

inline std::shared_ptr<MnistDataset> mindspore::dataset::Mnist(const std::string &dataset_dir, const std::string &usage, const Sampler *sampler, const std::shared_ptr<DatasetCache> &cache = nullptr)

Function to create a MnistDataset.

Note

The generated dataset has two columns [“image”, “label”]

Parameters

  • dataset_dir – [in] Path to the root directory that contains the dataset

  • usage – [in] of MNIST, can be “train”, “test” or “all”

  • sampler – [in] Raw pointer to a sampler object used to choose samples from the dataset.

  • cache – [in] Tensor cache to use. (default=nullptr which means no cache is used).

Returns

Shared pointer to the current MnistDataset