def get_split(split_name, dataset_dir, file_pattern=None, reader=None):
"""Gets a dataset tuple with instructions for reading ImageNet.
Args:
split_name: A train/test split name.
dataset_dir: The base directory of the dataset sources.
file_pattern: The file pattern to use when matching the dataset sources.
It is assumed that the pattern contains a '%s' string so that the split
name can be inserted.
reader: The TensorFlow reader type.
Returns:
A `Dataset` namedtuple.
Raises:
ValueError: if `split_name` is not a valid train/test split.
"""
if not file_pattern:
file_pattern = FILE_PATTERN # 需要文件命名格式满足：'voc_2012_%s_*.tfrecord'
return pascalvoc_common.get_split(
split_name,
dataset_dir,
file_pattern,
reader,
SPLITS_TO_SIZES, # {'train': 17125,}
ITEMS_TO_DESCRIPTIONS,
NUM_CLASSES # 20
)
def get_dataset(split_name,
dataset_dir,
batch_size,
image_shape,
num_epoch,
file_pattern=None,
reader=None):
"""Gets a dataset tuple with instructions for reading ImageNet.
Args:
dataset_name: A train/test split name.
dataset_dir: The base directory of the dataset sources.
file_pattern: The file pattern to use when matching the dataset sources.
It is assumed that the pattern contains a '%s' string so that the split
name can be inserted.
reader: The TensorFlow reader type.
Returns:
A `Dataset` namedtuple.
Raises:
ValueError: if `split_name` is not a valid train/test split.
"""
if not file_pattern:
file_pattern = FILE_PATTERN
return pascalvoc_common.get_split(split_name, dataset_dir, batch_size,
image_shape, num_epoch, file_pattern,
SPLITS_TO_SIZES, ITEMS_TO_DESCRIPTIONS,
NUM_CLASSES)
def get_split(split_name, dataset_dir, file_pattern=None, reader=None):
"""
Gets a dataset tuple with instructions for reading image.
:param split_name:
:param dataset_dir:
:param file_pattern:
:param reader:
:return:
A `Dataset` namedtuple.
":raise
ValueError: if `split_name` is not a valid train/test split.
"""
if not file_pattern:
file_pattern = FILE_PATTERN
return pascalvoc_common.get_split(split_name, dataset_dir, file_pattern,
reader, SPLITS_TO_SIZES,
ITEMS_TO_DESCRIPTIONS, NUM_CLASSES)
def get_split(split_name, dataset_dir, file_pattern=None, reader=None):
"""
Gets a dataset tuple with instructions for reading ImageNet.
:param split_name: A train/test split name.
:param dataset_dir: The base directory of the dataset sources.
:param file_pattern: The file pattern to use when matching the dataset sources.
It is assumed that the pattern contains a '%s' string so that the split
name can be inserted.
:param reader: The TensorFlow reader type.
:return:
A `Dataset` namedtuple.
:raises:
ValueError: If `split_name` is not a valid train/test split.
"""
if not file_pattern:
file_pattern = FILE_PATTERN # 'voc_2007_%s_*.tfrecord'
return pascalvoc_common.get_split(split_name, dataset_dir, file_pattern,
reader, SPLITS_TO_SIZES,
ITEMS_TO_DESCRIPTION, NUM_CLASSES)
def get_split(split_name, dataset_dir, file_pattern=None, reader=None):
"""Gets a dataset tuple with instructions for reading ImageNet.
Args:
split_name: A train/test split name.
dataset_dir: The base directory of the dataset sources.
file_pattern: The file pattern to use when matching the dataset sources.
It is assumed that the pattern contains a '%s' string so that the split
name can be inserted.
reader: The TensorFlow reader type.
Returns:
A `Dataset` namedtuple.
Raises:
ValueError: if `split_name` is not a valid train/test split.
"""
if not file_pattern:
file_pattern = FILE_PATTERN
return pascalvoc_common.get_split(split_name, dataset_dir,
file_pattern, reader,
SPLITS_TO_SIZES,
ITEMS_TO_DESCRIPTIONS,
NUM_CLASSES)
def get_split(split_name, dataset_dir, file_pattern=None, reader=None):
"""Gets a dataset tuple with instructions for reading ImageNet. 得到一个数据集元组
Args:
split_name: A train/test split name. 训练集或者测试集
dataset_dir: The base directory of the dataset sources. 数据集的目录
file_pattern: The file pattern to use when matching the dataset sources. 当匹配数据集资源的时候使用
It is assumed that the pattern contains a '%s' string so that the split
name can be inserted.
reader: The TensorFlow reader type. tensorflow读取器的类型
Returns:
A `Dataset` namedtuple. 返回一个'Dateset'的命名元组
Raises:
ValueError: if `split_name` is not a valid train/test split.
"""
if not file_pattern:
file_pattern = FILE_PATTERN
return pascalvoc_common.get_split(split_name, dataset_dir,
file_pattern, reader,
SPLITS_TO_SIZES,
ITEMS_TO_DESCRIPTIONS,
NUM_CLASSES)