T 9

class tf.data.Dataset

• __init__

__init__()

• from_tensor_slices

@staticmethod
from_tensor_slices(tensors)

• 示例

input_data = [1, 2, 3, 4, 5]
dataset = tf.data.Dataset.from_tensor_slices(input_data)

• TextLineDataset
• TFRecordDataset
• make_one_shot_iterator
• map
• get_next

def parser(record):
    features = ...
    return features['feat1'], features['feat2']

dataset = tf.data.TFRecordDataset(input_files)    
dataset = dataset.map(parser)
iterator = dataset.make_one_shot_iterator()
feat1, feat2 = iterator.get_next()