mindspore.dataset.Dataset.get_class_indexing

mindspore.dataset.Dataset.get_class_indexing()[源代码]

获取类别名称到类别索引的映射字典。

该字典可用于查询某一类别索引对应的是哪一个类别名称。

返回:

Dict[str, int],类别名称到类别索引的映射关系。

样例:

>>> import mindspore.dataset as ds
>>> # Read image files
>>> image_folder_dataset_dir = "/path/to/image_folder_dataset_directory"
>>> dataset = ds.ImageFolderDataset(dataset_dir=image_folder_dataset_dir)
>>> # Check how many classes exist in image folder
>>> class_indexing = dataset.get_class_indexing()