Class OmniglotDataset

• Defined in File datasets.h

Inheritance Relationships

Base Type

• public mindspore::dataset::Dataset (Class Dataset)

Class Documentation

class OmniglotDataset : public mindspore::dataset::Dataset

A source dataset for reading and parsing Omniglot dataset.

Public Functions

OmniglotDataset(const std::vector<char> &dataset_dir, bool background, bool decode, const std::shared_ptr<Sampler> &sampler, const std::shared_ptr<DatasetCache> &cache)

Constructor of OmniglotDataset.

Parameters

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

• background – [in] A flag to use background dataset or evaluation dataset.

• decode – [in] Decode the images after reading.

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

• cache – [in] Tensor cache to use.

OmniglotDataset(const std::vector<char> &dataset_dir, bool background, bool decode, const Sampler *sampler, const std::shared_ptr<DatasetCache> &cache)

Constructor of OmniglotDataset.

Parameters

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

• background – [in] A flag to use background dataset or evaluation dataset.

• decode – [in] Decode the images after reading.

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

• cache – [in] Tensor cache to use.

OmniglotDataset(const std::vector<char> &dataset_dir, bool background, bool decode, const std::reference_wrapper<Sampler> &sampler, const std::shared_ptr<DatasetCache> &cache)

Constructor of OmniglotDataset.

Parameters

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

• background – [in] A flag to use background dataset or evaluation dataset.

• decode – [in] Decode the images after reading.

• sampler – [in] Sampler object used to choose samples from the dataset.

• cache – [in] Tensor cache to use.

~OmniglotDataset() override = default

Destructor of OmniglotDataset.