import tensorflow as tf

    'The nearest distance of the crop border to al keypoints.')
tf.app.flags.DEFINE_integer(
    'train_epochs', 50,
    'The number of epochs to use for training.')
tf.app.flags.DEFINE_integer(
    'epochs_per_eval', 20,
    'The number of training epochs to run between evaluations.')
tf.app.flags.DEFINE_integer(
    'batch_size', 10,
    'Batch size for training and evaluation.')
tf.app.flags.DEFINE_integer(
    'xt_batch_size', 10,
    'Batch size for training and evaluation.')
tf.app.flags.DEFINE_boolean(
