models.py 文件源码

python
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项目:terngrad 作者: wenwei202 项目源码 文件源码
def _vgg_arg_scope(weight_decay,
                   is_training):
  """Defines the VGG arg scope.
  Args:
    weight_decay: The l2 regularization coefficient.
  Returns:
    An arg_scope.
  """
  with slim.arg_scope([slim.conv2d, slim.fully_connected],
                      activation_fn=tf.nn.relu,
                      weights_regularizer=slim.l2_regularizer(weight_decay),
                      weights_initializer=tf.contrib.layers.xavier_initializer(),
                      biases_initializer=tf.zeros_initializer()):
    with slim.arg_scope([slim.batch_norm], is_training=is_training):
      with slim.arg_scope([slim.conv2d], padding='SAME', normalizer_fn=slim.batch_norm) as arg_sc:
        return arg_sc
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