Python tensorflow.contrib.layers.python.layers.layers.softmax() Examples

The following are 7 code examples of tensorflow.contrib.layers.python.layers.layers.softmax(). You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may also want to check out all available functions/classes of the module tensorflow.contrib.layers.python.layers.layers , or try the search function .
Example #1
Source File: tf_py_layer_test_cases.py    From NNEF-Tools with Apache License 2.0 5 votes vote down vote up
def network_softmax1():
    x = tf.placeholder(tf.float32, shape=[6, 64, 64, 3], name="x")

    return tf.nn.softmax(x) 
Example #2
Source File: tf_py_layer_test_cases.py    From NNEF-Tools with Apache License 2.0 5 votes vote down vote up
def network_softmax2_old():
    x = tf.placeholder(tf.float32, shape=[6, 64, 64, 3], name="x")

    return tf.nn.softmax(x, dim=1) 
Example #3
Source File: tf_py_layer_test_cases.py    From NNEF-Tools with Apache License 2.0 5 votes vote down vote up
def network_softmax2():
    x = tf.placeholder(tf.float32, shape=[6, 64, 64, 3], name="x")

    return tf.nn.softmax(x, axis=1) 
Example #4
Source File: tf_py_layer_test_cases.py    From NNEF-Tools with Apache License 2.0 5 votes vote down vote up
def network_softmax3():
    x = tf.placeholder(tf.float32, shape=[6, 64, 64, 3], name="x")

    return tf_layers.softmax(x) 
Example #5
Source File: inception_v1.py    From lambda-packs with MIT License 4 votes vote down vote up
def inception_v1(inputs,
                 num_classes=1000,
                 is_training=True,
                 dropout_keep_prob=0.8,
                 prediction_fn=layers_lib.softmax,
                 spatial_squeeze=True,
                 reuse=None,
                 scope='InceptionV1'):
  """Defines the Inception V1 architecture.

  This architecture is defined in:

    Going deeper with convolutions
    Christian Szegedy, Wei Liu, Yangqing Jia, Pierre Sermanet, Scott Reed,
    Dragomir Anguelov, Dumitru Erhan, Vincent Vanhoucke, Andrew Rabinovich.
    http://arxiv.org/pdf/1409.4842v1.pdf.

  The default image size used to train this network is 224x224.

  Args:
    inputs: a tensor of size [batch_size, height, width, channels].
    num_classes: number of predicted classes.
    is_training: whether is training or not.
    dropout_keep_prob: the percentage of activation values that are retained.
    prediction_fn: a function to get predictions out of logits.
    spatial_squeeze: if True, logits is of shape is [B, C], if false logits is
        of shape [B, 1, 1, C], where B is batch_size and C is number of classes.
    reuse: whether or not the network and its variables should be reused. To be
      able to reuse 'scope' must be given.
    scope: Optional variable_scope.

  Returns:
    logits: the pre-softmax activations, a tensor of size
      [batch_size, num_classes]
    end_points: a dictionary from components of the network to the corresponding
      activation.
  """
  # Final pooling and prediction
  with variable_scope.variable_scope(
      scope, 'InceptionV1', [inputs, num_classes], reuse=reuse) as scope:
    with arg_scope(
        [layers_lib.batch_norm, layers_lib.dropout], is_training=is_training):
      net, end_points = inception_v1_base(inputs, scope=scope)
      with variable_scope.variable_scope('Logits'):
        net = layers_lib.avg_pool2d(
            net, [7, 7], stride=1, scope='MaxPool_0a_7x7')
        net = layers_lib.dropout(net, dropout_keep_prob, scope='Dropout_0b')
        logits = layers.conv2d(
            net,
            num_classes, [1, 1],
            activation_fn=None,
            normalizer_fn=None,
            scope='Conv2d_0c_1x1')
        if spatial_squeeze:
          logits = array_ops.squeeze(logits, [1, 2], name='SpatialSqueeze')

        end_points['Logits'] = logits
        end_points['Predictions'] = prediction_fn(logits, scope='Predictions')
  return logits, end_points 
Example #6
Source File: inception_v1.py    From auto-alt-text-lambda-api with MIT License 4 votes vote down vote up
def inception_v1(inputs,
                 num_classes=1000,
                 is_training=True,
                 dropout_keep_prob=0.8,
                 prediction_fn=layers_lib.softmax,
                 spatial_squeeze=True,
                 reuse=None,
                 scope='InceptionV1'):
  """Defines the Inception V1 architecture.

  This architecture is defined in:

    Going deeper with convolutions
    Christian Szegedy, Wei Liu, Yangqing Jia, Pierre Sermanet, Scott Reed,
    Dragomir Anguelov, Dumitru Erhan, Vincent Vanhoucke, Andrew Rabinovich.
    http://arxiv.org/pdf/1409.4842v1.pdf.

  The default image size used to train this network is 224x224.

  Args:
    inputs: a tensor of size [batch_size, height, width, channels].
    num_classes: number of predicted classes.
    is_training: whether is training or not.
    dropout_keep_prob: the percentage of activation values that are retained.
    prediction_fn: a function to get predictions out of logits.
    spatial_squeeze: if True, logits is of shape is [B, C], if false logits is
        of shape [B, 1, 1, C], where B is batch_size and C is number of classes.
    reuse: whether or not the network and its variables should be reused. To be
      able to reuse 'scope' must be given.
    scope: Optional variable_scope.

  Returns:
    logits: the pre-softmax activations, a tensor of size
      [batch_size, num_classes]
    end_points: a dictionary from components of the network to the corresponding
      activation.
  """
  # Final pooling and prediction
  with variable_scope.variable_scope(
      scope, 'InceptionV1', [inputs, num_classes], reuse=reuse) as scope:
    with arg_scope(
        [layers_lib.batch_norm, layers_lib.dropout], is_training=is_training):
      net, end_points = inception_v1_base(inputs, scope=scope)
      with variable_scope.variable_scope('Logits'):
        net = layers_lib.avg_pool2d(
            net, [7, 7], stride=1, scope='MaxPool_0a_7x7')
        net = layers_lib.dropout(net, dropout_keep_prob, scope='Dropout_0b')
        logits = layers.conv2d(
            net,
            num_classes, [1, 1],
            activation_fn=None,
            normalizer_fn=None,
            scope='Conv2d_0c_1x1')
        if spatial_squeeze:
          logits = array_ops.squeeze(logits, [1, 2], name='SpatialSqueeze')

        end_points['Logits'] = logits
        end_points['Predictions'] = prediction_fn(logits, scope='Predictions')
  return logits, end_points 
Example #7
Source File: inception_v1.py    From keras-lambda with MIT License 4 votes vote down vote up
def inception_v1(inputs,
                 num_classes=1000,
                 is_training=True,
                 dropout_keep_prob=0.8,
                 prediction_fn=layers_lib.softmax,
                 spatial_squeeze=True,
                 reuse=None,
                 scope='InceptionV1'):
  """Defines the Inception V1 architecture.

  This architecture is defined in:

    Going deeper with convolutions
    Christian Szegedy, Wei Liu, Yangqing Jia, Pierre Sermanet, Scott Reed,
    Dragomir Anguelov, Dumitru Erhan, Vincent Vanhoucke, Andrew Rabinovich.
    http://arxiv.org/pdf/1409.4842v1.pdf.

  The default image size used to train this network is 224x224.

  Args:
    inputs: a tensor of size [batch_size, height, width, channels].
    num_classes: number of predicted classes.
    is_training: whether is training or not.
    dropout_keep_prob: the percentage of activation values that are retained.
    prediction_fn: a function to get predictions out of logits.
    spatial_squeeze: if True, logits is of shape is [B, C], if false logits is
        of shape [B, 1, 1, C], where B is batch_size and C is number of classes.
    reuse: whether or not the network and its variables should be reused. To be
      able to reuse 'scope' must be given.
    scope: Optional variable_scope.

  Returns:
    logits: the pre-softmax activations, a tensor of size
      [batch_size, num_classes]
    end_points: a dictionary from components of the network to the corresponding
      activation.
  """
  # Final pooling and prediction
  with variable_scope.variable_scope(
      scope, 'InceptionV1', [inputs, num_classes], reuse=reuse) as scope:
    with arg_scope(
        [layers_lib.batch_norm, layers_lib.dropout], is_training=is_training):
      net, end_points = inception_v1_base(inputs, scope=scope)
      with variable_scope.variable_scope('Logits'):
        net = layers_lib.avg_pool2d(
            net, [7, 7], stride=1, scope='MaxPool_0a_7x7')
        net = layers_lib.dropout(net, dropout_keep_prob, scope='Dropout_0b')
        logits = layers.conv2d(
            net,
            num_classes, [1, 1],
            activation_fn=None,
            normalizer_fn=None,
            scope='Conv2d_0c_1x1')
        if spatial_squeeze:
          logits = array_ops.squeeze(logits, [1, 2], name='SpatialSqueeze')

        end_points['Logits'] = logits
        end_points['Predictions'] = prediction_fn(logits, scope='Predictions')
  return logits, end_points