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55 lines
2.1 KiB
55 lines
2.1 KiB
# Copyright 2016 The TensorFlow Authors. All Rights Reserved. |
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# |
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# Licensed under the Apache License, Version 2.0 (the "License"); |
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# you may not use this file except in compliance with the License. |
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# You may obtain a copy of the License at |
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# |
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# http://www.apache.org/licenses/LICENSE-2.0 |
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# |
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# Unless required by applicable law or agreed to in writing, software |
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# distributed under the License is distributed on an "AS IS" BASIS, |
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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# See the License for the specific language governing permissions and |
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# limitations under the License. |
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# ============================================================================== |
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"""A factory-pattern class which returns classification image/label pairs.""" |
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from __future__ import absolute_import |
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from __future__ import division |
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from __future__ import print_function |
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from datasets import cifar10 |
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from datasets import imagenet |
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from datasets import pascalvoc_2007 |
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from datasets import pascalvoc_2012 |
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datasets_map = { |
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'cifar10': cifar10, |
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'imagenet': imagenet, |
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'pascalvoc_2007': pascalvoc_2007, |
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'pascalvoc_2012': pascalvoc_2012, |
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} |
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def get_dataset(name, split_name, dataset_dir, file_pattern=None, reader=None): |
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"""Given a dataset name and a split_name returns a Dataset. |
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Args: |
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name: String, the name of the dataset. |
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split_name: A train/test split name. |
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dataset_dir: The directory where the dataset files are stored. |
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file_pattern: The file pattern to use for matching the dataset source files. |
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reader: The subclass of tf.ReaderBase. If left as `None`, then the default |
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reader defined by each dataset is used. |
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Returns: |
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A `Dataset` class. |
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Raises: |
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ValueError: If the dataset `name` is unknown. |
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""" |
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if name not in datasets_map: |
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raise ValueError('Name of dataset unknown %s' % name) |
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return datasets_map[name].get_split(split_name, |
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dataset_dir, |
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file_pattern, |
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reader)
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