Update inception model based on tf API changes: replace tf.op_scope with...

Update inception model based on tf API changes: replace tf.op_scope with tf.name_scope and tf.variable_op_scope with tf.variable_scope; fix the order of arguments for tf.concat; replace tf.mul with tf.multiply.

inception/inception/inception_model.py

@@ -147,8 +147,8 @@ def _activation_summary(x):
   # Remove 'tower_[0-9]/' from the name in case this is a multi-GPU training
   # session. This helps the clarity of presentation on tensorboard.
   tensor_name = re.sub('%s_[0-9]*/' % TOWER_NAME, '', x.op.name)
-  tf.histogram_summary(tensor_name + '/activations', x)
-  tf.scalar_summary(tensor_name + '/sparsity', tf.nn.zero_fraction(x))
+  tf.contrib.deprecated.histogram_summary(tensor_name + '/activations', x)
+  tf.contrib.deprecated.scalar_summary(tensor_name + '/sparsity', tf.nn.zero_fraction(x))
 
 
 def _activation_summaries(endpoints):

inception/inception/slim/README.md

@@ -246,11 +246,8 @@ number. More concretely, the scopes in the example above would be 'conv3_1',
 
 In addition to the types of scope mechanisms in TensorFlow ([name_scope]
 (https://www.tensorflow.org/api_docs/python/framework.html#name_scope),
-[op_scope](https://www.tensorflow.org/api_docs/python/framework.html#op_scope),
 [variable_scope]
 (https://www.tensorflow.org/api_docs/python/state_ops.html#variable_scope),
-[variable_op_scope]
-(https://www.tensorflow.org/api_docs/python/state_ops.html#variable_op_scope)),
 TF-Slim adds a new scoping mechanism called "argument scope" or [arg_scope]
 (scopes.py). This new scope allows a user to specify one or more operations and
 a set of arguments which will be passed to each of the operations defined in the

inception/inception/slim/inception_model.py

@@ -69,7 +69,7 @@ def inception_v3(inputs,
     is_training: whether is training or not.
     restore_logits: whether or not the logits layers should be restored.
       Useful for fine-tuning a model with different num_classes.
-    scope: Optional scope for op_scope.
+    scope: Optional scope for name_scope.
 
   Returns:
     a list containing 'logits', 'aux_logits' Tensors.
@@ -77,7 +77,7 @@ def inception_v3(inputs,
   # end_points will collect relevant activations for external use, for example
   # summaries or losses.
   end_points = {}
-  with tf.op_scope([inputs], scope, 'inception_v3'):
+  with tf.name_scope(scope, 'inception_v3', [inputs]):
     with scopes.arg_scope([ops.conv2d, ops.fc, ops.batch_norm, ops.dropout],
                           is_training=is_training):
       with scopes.arg_scope([ops.conv2d, ops.max_pool, ops.avg_pool],
@@ -122,7 +122,7 @@ def inception_v3(inputs,
           with tf.variable_scope('branch_pool'):
             branch_pool = ops.avg_pool(net, [3, 3])
             branch_pool = ops.conv2d(branch_pool, 32, [1, 1])
-          net = tf.concat(3, [branch1x1, branch5x5, branch3x3dbl, branch_pool])
+          net = tf.concat([branch1x1, branch5x5, branch3x3dbl, branch_pool], 3)
           end_points['mixed_35x35x256a'] = net
         # mixed_1: 35 x 35 x 288.
         with tf.variable_scope('mixed_35x35x288a'):
@@ -138,7 +138,7 @@ def inception_v3(inputs,
           with tf.variable_scope('branch_pool'):
             branch_pool = ops.avg_pool(net, [3, 3])
             branch_pool = ops.conv2d(branch_pool, 64, [1, 1])
-          net = tf.concat(3, [branch1x1, branch5x5, branch3x3dbl, branch_pool])
+          net = tf.concat([branch1x1, branch5x5, branch3x3dbl, branch_pool], 3)
           end_points['mixed_35x35x288a'] = net
         # mixed_2: 35 x 35 x 288.
         with tf.variable_scope('mixed_35x35x288b'):
@@ -154,7 +154,7 @@ def inception_v3(inputs,
           with tf.variable_scope('branch_pool'):
             branch_pool = ops.avg_pool(net, [3, 3])
             branch_pool = ops.conv2d(branch_pool, 64, [1, 1])
-          net = tf.concat(3, [branch1x1, branch5x5, branch3x3dbl, branch_pool])
+          net = tf.concat([branch1x1, branch5x5, branch3x3dbl, branch_pool], 3)
           end_points['mixed_35x35x288b'] = net
         # mixed_3: 17 x 17 x 768.
         with tf.variable_scope('mixed_17x17x768a'):
@@ -167,7 +167,7 @@ def inception_v3(inputs,
                                       stride=2, padding='VALID')
           with tf.variable_scope('branch_pool'):
             branch_pool = ops.max_pool(net, [3, 3], stride=2, padding='VALID')
-          net = tf.concat(3, [branch3x3, branch3x3dbl, branch_pool])
+          net = tf.concat([branch3x3, branch3x3dbl, branch_pool], 3)
           end_points['mixed_17x17x768a'] = net
         # mixed4: 17 x 17 x 768.
         with tf.variable_scope('mixed_17x17x768b'):
@@ -186,7 +186,7 @@ def inception_v3(inputs,
           with tf.variable_scope('branch_pool'):
             branch_pool = ops.avg_pool(net, [3, 3])
             branch_pool = ops.conv2d(branch_pool, 192, [1, 1])
-          net = tf.concat(3, [branch1x1, branch7x7, branch7x7dbl, branch_pool])
+          net = tf.concat([branch1x1, branch7x7, branch7x7dbl, branch_pool], 3)
           end_points['mixed_17x17x768b'] = net
         # mixed_5: 17 x 17 x 768.
         with tf.variable_scope('mixed_17x17x768c'):
@@ -205,7 +205,7 @@ def inception_v3(inputs,
           with tf.variable_scope('branch_pool'):
             branch_pool = ops.avg_pool(net, [3, 3])
             branch_pool = ops.conv2d(branch_pool, 192, [1, 1])
-          net = tf.concat(3, [branch1x1, branch7x7, branch7x7dbl, branch_pool])
+          net = tf.concat([branch1x1, branch7x7, branch7x7dbl, branch_pool], 3)
           end_points['mixed_17x17x768c'] = net
         # mixed_6: 17 x 17 x 768.
         with tf.variable_scope('mixed_17x17x768d'):
@@ -224,7 +224,7 @@ def inception_v3(inputs,
           with tf.variable_scope('branch_pool'):
             branch_pool = ops.avg_pool(net, [3, 3])
             branch_pool = ops.conv2d(branch_pool, 192, [1, 1])
-          net = tf.concat(3, [branch1x1, branch7x7, branch7x7dbl, branch_pool])
+          net = tf.concat([branch1x1, branch7x7, branch7x7dbl, branch_pool], 3)
           end_points['mixed_17x17x768d'] = net
         # mixed_7: 17 x 17 x 768.
         with tf.variable_scope('mixed_17x17x768e'):
@@ -243,7 +243,7 @@ def inception_v3(inputs,
           with tf.variable_scope('branch_pool'):
             branch_pool = ops.avg_pool(net, [3, 3])
             branch_pool = ops.conv2d(branch_pool, 192, [1, 1])
-          net = tf.concat(3, [branch1x1, branch7x7, branch7x7dbl, branch_pool])
+          net = tf.concat([branch1x1, branch7x7, branch7x7dbl, branch_pool], 3)
           end_points['mixed_17x17x768e'] = net
         # Auxiliary Head logits
         aux_logits = tf.identity(end_points['mixed_17x17x768e'])
@@ -276,7 +276,7 @@ def inception_v3(inputs,
                                      stride=2, padding='VALID')
           with tf.variable_scope('branch_pool'):
             branch_pool = ops.max_pool(net, [3, 3], stride=2, padding='VALID')
-          net = tf.concat(3, [branch3x3, branch7x7x3, branch_pool])
+          net = tf.concat([branch3x3, branch7x7x3, branch_pool], 3)
           end_points['mixed_17x17x1280a'] = net
         # mixed_9: 8 x 8 x 2048.
         with tf.variable_scope('mixed_8x8x2048a'):
@@ -284,17 +284,17 @@ def inception_v3(inputs,
             branch1x1 = ops.conv2d(net, 320, [1, 1])
           with tf.variable_scope('branch3x3'):
             branch3x3 = ops.conv2d(net, 384, [1, 1])
-            branch3x3 = tf.concat(3, [ops.conv2d(branch3x3, 384, [1, 3]),
-                                      ops.conv2d(branch3x3, 384, [3, 1])])
+            branch3x3 = tf.concat([ops.conv2d(branch3x3, 384, [1, 3]),
+                                   ops.conv2d(branch3x3, 384, [3, 1])], 3)
           with tf.variable_scope('branch3x3dbl'):
             branch3x3dbl = ops.conv2d(net, 448, [1, 1])
             branch3x3dbl = ops.conv2d(branch3x3dbl, 384, [3, 3])
-            branch3x3dbl = tf.concat(3, [ops.conv2d(branch3x3dbl, 384, [1, 3]),
-                                         ops.conv2d(branch3x3dbl, 384, [3, 1])])
+            branch3x3dbl = tf.concat([ops.conv2d(branch3x3dbl, 384, [1, 3]),
+                                      ops.conv2d(branch3x3dbl, 384, [3, 1])], 3)
           with tf.variable_scope('branch_pool'):
             branch_pool = ops.avg_pool(net, [3, 3])
             branch_pool = ops.conv2d(branch_pool, 192, [1, 1])
-          net = tf.concat(3, [branch1x1, branch3x3, branch3x3dbl, branch_pool])
+          net = tf.concat([branch1x1, branch3x3, branch3x3dbl, branch_pool], 3)
           end_points['mixed_8x8x2048a'] = net
         # mixed_10: 8 x 8 x 2048.
         with tf.variable_scope('mixed_8x8x2048b'):
@@ -302,17 +302,17 @@ def inception_v3(inputs,
             branch1x1 = ops.conv2d(net, 320, [1, 1])
           with tf.variable_scope('branch3x3'):
             branch3x3 = ops.conv2d(net, 384, [1, 1])
-            branch3x3 = tf.concat(3, [ops.conv2d(branch3x3, 384, [1, 3]),
-                                      ops.conv2d(branch3x3, 384, [3, 1])])
+            branch3x3 = tf.concat([ops.conv2d(branch3x3, 384, [1, 3]),
+                                   ops.conv2d(branch3x3, 384, [3, 1])], 3)
           with tf.variable_scope('branch3x3dbl'):
             branch3x3dbl = ops.conv2d(net, 448, [1, 1])
             branch3x3dbl = ops.conv2d(branch3x3dbl, 384, [3, 3])
-            branch3x3dbl = tf.concat(3, [ops.conv2d(branch3x3dbl, 384, [1, 3]),
-                                         ops.conv2d(branch3x3dbl, 384, [3, 1])])
+            branch3x3dbl = tf.concat([ops.conv2d(branch3x3dbl, 384, [1, 3]),
+                                      ops.conv2d(branch3x3dbl, 384, [3, 1])], 3)
           with tf.variable_scope('branch_pool'):
             branch_pool = ops.avg_pool(net, [3, 3])
             branch_pool = ops.conv2d(branch_pool, 192, [1, 1])
-          net = tf.concat(3, [branch1x1, branch3x3, branch3x3dbl, branch_pool])
+          net = tf.concat([branch1x1, branch3x3, branch3x3dbl, branch_pool], 3)
           end_points['mixed_8x8x2048b'] = net
         # Final pooling and prediction
         with tf.variable_scope('logits'):

inception/inception/slim/inception_test.py

@@ -65,9 +65,9 @@ class InceptionTest(tf.test.TestCase):
         inception.inception_v3(inputs, num_classes)
       with tf.variable_scope('on_gpu'), tf.device('/gpu:0'):
         inception.inception_v3(inputs, num_classes)
-      for v in tf.get_collection(tf.GraphKeys.VARIABLES, scope='on_cpu'):
+      for v in tf.get_collection(tf.GraphKeys.GLOBAL_VARIABLES, scope='on_cpu'):
         self.assertDeviceEqual(v.device, '/cpu:0')
-      for v in tf.get_collection(tf.GraphKeys.VARIABLES, scope='on_gpu'):
+      for v in tf.get_collection(tf.GraphKeys.GLOBAL_VARIABLES, scope='on_gpu'):
         self.assertDeviceEqual(v.device, '/gpu:0')
 
   def testHalfSizeImages(self):

inception/inception/slim/losses.py

@@ -39,17 +39,17 @@ def l1_regularizer(weight=1.0, scope=None):
 
   Args:
     weight: scale the loss by this factor.
-    scope: Optional scope for op_scope.
+    scope: Optional scope for name_scope.
 
   Returns:
     a regularizer function.
   """
   def regularizer(tensor):
-    with tf.op_scope([tensor], scope, 'L1Regularizer'):
+    with tf.name_scope(scope, 'L1Regularizer', [tensor]):
       l1_weight = tf.convert_to_tensor(weight,
                                        dtype=tensor.dtype.base_dtype,
                                        name='weight')
-      return tf.mul(l1_weight, tf.reduce_sum(tf.abs(tensor)), name='value')
+      return tf.multiply(l1_weight, tf.reduce_sum(tf.abs(tensor)), name='value')
   return regularizer
 
 
@@ -58,17 +58,17 @@ def l2_regularizer(weight=1.0, scope=None):
 
   Args:
     weight: scale the loss by this factor.
-    scope: Optional scope for op_scope.
+    scope: Optional scope for name_scope.
 
   Returns:
     a regularizer function.
   """
   def regularizer(tensor):
-    with tf.op_scope([tensor], scope, 'L2Regularizer'):
+    with tf.name_scope(scope, 'L2Regularizer', [tensor]):
       l2_weight = tf.convert_to_tensor(weight,
                                        dtype=tensor.dtype.base_dtype,
                                        name='weight')
-      return tf.mul(l2_weight, tf.nn.l2_loss(tensor), name='value')
+      return tf.multiply(l2_weight, tf.nn.l2_loss(tensor), name='value')
   return regularizer
 
 
@@ -78,22 +78,22 @@ def l1_l2_regularizer(weight_l1=1.0, weight_l2=1.0, scope=None):
   Args:
     weight_l1: scale the L1 loss by this factor.
     weight_l2: scale the L2 loss by this factor.
-    scope: Optional scope for op_scope.
+    scope: Optional scope for name_scope.
 
   Returns:
     a regularizer function.
   """
   def regularizer(tensor):
-    with tf.op_scope([tensor], scope, 'L1L2Regularizer'):
+    with tf.name_scope(scope, 'L1L2Regularizer', [tensor]):
       weight_l1_t = tf.convert_to_tensor(weight_l1,
                                          dtype=tensor.dtype.base_dtype,
                                          name='weight_l1')
       weight_l2_t = tf.convert_to_tensor(weight_l2,
                                          dtype=tensor.dtype.base_dtype,
                                          name='weight_l2')
-      reg_l1 = tf.mul(weight_l1_t, tf.reduce_sum(tf.abs(tensor)),
+      reg_l1 = tf.multiply(weight_l1_t, tf.reduce_sum(tf.abs(tensor)),
                       name='value_l1')
-      reg_l2 = tf.mul(weight_l2_t, tf.nn.l2_loss(tensor),
+      reg_l2 = tf.multiply(weight_l2_t, tf.nn.l2_loss(tensor),
                       name='value_l2')
       return tf.add(reg_l1, reg_l2, name='value')
   return regularizer
@@ -105,16 +105,16 @@ def l1_loss(tensor, weight=1.0, scope=None):
   Args:
     tensor: tensor to regularize.
     weight: scale the loss by this factor.
-    scope: Optional scope for op_scope.
+    scope: Optional scope for name_scope.
 
   Returns:
     the L1 loss op.
   """
-  with tf.op_scope([tensor], scope, 'L1Loss'):
+  with tf.name_scope(scope, 'L1Loss', [tensor]):
     weight = tf.convert_to_tensor(weight,
                                   dtype=tensor.dtype.base_dtype,
                                   name='loss_weight')
-    loss = tf.mul(weight, tf.reduce_sum(tf.abs(tensor)), name='value')
+    loss = tf.multiply(weight, tf.reduce_sum(tf.abs(tensor)), name='value')
     tf.add_to_collection(LOSSES_COLLECTION, loss)
     return loss
 
@@ -125,16 +125,16 @@ def l2_loss(tensor, weight=1.0, scope=None):
   Args:
     tensor: tensor to regularize.
     weight: an optional weight to modulate the loss.
-    scope: Optional scope for op_scope.
+    scope: Optional scope for name_scope.
 
   Returns:
     the L2 loss op.
   """
-  with tf.op_scope([tensor], scope, 'L2Loss'):
+  with tf.name_scope(scope, 'L2Loss', [tensor]):
     weight = tf.convert_to_tensor(weight,
                                   dtype=tensor.dtype.base_dtype,
                                   name='loss_weight')
-    loss = tf.mul(weight, tf.nn.l2_loss(tensor), name='value')
+    loss = tf.multiply(weight, tf.nn.l2_loss(tensor), name='value')
     tf.add_to_collection(LOSSES_COLLECTION, loss)
     return loss
 
@@ -150,25 +150,25 @@ def cross_entropy_loss(logits, one_hot_labels, label_smoothing=0,
     one_hot_labels: [batch_size, num_classes] target one_hot_encoded labels.
     label_smoothing: if greater than 0 then smooth the labels.
     weight: scale the loss by this factor.
-    scope: Optional scope for op_scope.
+    scope: Optional scope for name_scope.
 
   Returns:
     A tensor with the softmax_cross_entropy loss.
   """
   logits.get_shape().assert_is_compatible_with(one_hot_labels.get_shape())
-  with tf.op_scope([logits, one_hot_labels], scope, 'CrossEntropyLoss'):
+  with tf.name_scope(scope, 'CrossEntropyLoss', [logits, one_hot_labels]):
     num_classes = one_hot_labels.get_shape()[-1].value
     one_hot_labels = tf.cast(one_hot_labels, logits.dtype)
     if label_smoothing > 0:
       smooth_positives = 1.0 - label_smoothing
       smooth_negatives = label_smoothing / num_classes
       one_hot_labels = one_hot_labels * smooth_positives + smooth_negatives
-    cross_entropy = tf.nn.softmax_cross_entropy_with_logits(logits=logits,
-                                                            labels=one_hot_labels,
-                                                            name='xentropy')
+    cross_entropy = tf.contrib.nn.deprecated_flipped_softmax_cross_entropy_with_logits(
+        logits, one_hot_labels, name='xentropy')
+
     weight = tf.convert_to_tensor(weight,
                                   dtype=logits.dtype.base_dtype,
                                   name='loss_weight')
-    loss = tf.mul(weight, tf.reduce_mean(cross_entropy), name='value')
+    loss = tf.multiply(weight, tf.reduce_mean(cross_entropy), name='value')
     tf.add_to_collection(LOSSES_COLLECTION, loss)
     return loss

inception/inception/slim/ops.py

@@ -68,7 +68,7 @@ def batch_norm(inputs,
     is_training: whether or not the model is in training mode.
     trainable: whether or not the variables should be trainable or not.
     restore: whether or not the variables should be marked for restore.
-    scope: Optional scope for variable_op_scope.
+    scope: Optional scope for variable_scope.
     reuse: whether or not the layer and its variables should be reused. To be
       able to reuse the layer scope must be given.
 
@@ -77,7 +77,7 @@ def batch_norm(inputs,
 
   """
   inputs_shape = inputs.get_shape()
-  with tf.variable_op_scope([inputs], scope, 'BatchNorm', reuse=reuse):
+  with tf.variable_scope(scope, 'BatchNorm', [inputs], reuse=reuse):
     axis = list(range(len(inputs_shape) - 1))
     params_shape = inputs_shape[-1:]
     # Allocate parameters for the beta and gamma of the normalization.
@@ -203,14 +203,14 @@ def conv2d(inputs,
     is_training: whether or not the model is in training mode.
     trainable: whether or not the variables should be trainable or not.
     restore: whether or not the variables should be marked for restore.
-    scope: Optional scope for variable_op_scope.
+    scope: Optional scope for variable_scope.
     reuse: whether or not the layer and its variables should be reused. To be
       able to reuse the layer scope must be given.
   Returns:
     a tensor representing the output of the operation.
 
   """
-  with tf.variable_op_scope([inputs], scope, 'Conv', reuse=reuse):
+  with tf.variable_scope(scope, 'Conv', [inputs], reuse=reuse):
     kernel_h, kernel_w = _two_element_tuple(kernel_size)
     stride_h, stride_w = _two_element_tuple(stride)
     num_filters_in = inputs.get_shape()[-1]
@@ -278,14 +278,14 @@ def fc(inputs,
     is_training: whether or not the model is in training mode.
     trainable: whether or not the variables should be trainable or not.
     restore: whether or not the variables should be marked for restore.
-    scope: Optional scope for variable_op_scope.
+    scope: Optional scope for variable_scope.
     reuse: whether or not the layer and its variables should be reused. To be
       able to reuse the layer scope must be given.
 
   Returns:
      the tensor variable representing the result of the series of operations.
   """
-  with tf.variable_op_scope([inputs], scope, 'FC', reuse=reuse):
+  with tf.variable_scope(scope, 'FC', [inputs], reuse=reuse):
     num_units_in = inputs.get_shape()[1]
     weights_shape = [num_units_in, num_units_out]
     weights_initializer = tf.truncated_normal_initializer(stddev=stddev)
@@ -323,15 +323,15 @@ def one_hot_encoding(labels, num_classes, scope=None):
   Args:
     labels: [batch_size] target labels.
     num_classes: total number of classes.
-    scope: Optional scope for op_scope.
+    scope: Optional scope for name_scope.
   Returns:
     one hot encoding of the labels.
   """
-  with tf.op_scope([labels], scope, 'OneHotEncoding'):
+  with tf.name_scope(scope, 'OneHotEncoding', [labels]):
     batch_size = labels.get_shape()[0]
     indices = tf.expand_dims(tf.range(0, batch_size), 1)
     labels = tf.cast(tf.expand_dims(labels, 1), indices.dtype)
-    concated = tf.concat(1, [indices, labels])
+    concated = tf.concat([indices, labels], 1)
     onehot_labels = tf.sparse_to_dense(
         concated, tf.pack([batch_size, num_classes]), 1.0, 0.0)
     onehot_labels.set_shape([batch_size, num_classes])
@@ -354,14 +354,14 @@ def max_pool(inputs, kernel_size, stride=2, padding='VALID', scope=None):
       Can be an int if both strides are the same.  Note that presently
       both strides must have the same value.
     padding: the padding method, either 'VALID' or 'SAME'.
-    scope: Optional scope for op_scope.
+    scope: Optional scope for name_scope.
 
   Returns:
     a tensor representing the results of the pooling operation.
   Raises:
     ValueError: if 'kernel_size' is not a 2-D list
   """
-  with tf.op_scope([inputs], scope, 'MaxPool'):
+  with tf.name_scope(scope, 'MaxPool', [inputs]):
     kernel_h, kernel_w = _two_element_tuple(kernel_size)
     stride_h, stride_w = _two_element_tuple(stride)
     return tf.nn.max_pool(inputs,
@@ -386,12 +386,12 @@ def avg_pool(inputs, kernel_size, stride=2, padding='VALID', scope=None):
       Can be an int if both strides are the same.  Note that presently
       both strides must have the same value.
     padding: the padding method, either 'VALID' or 'SAME'.
-    scope: Optional scope for op_scope.
+    scope: Optional scope for name_scope.
 
   Returns:
     a tensor representing the results of the pooling operation.
   """
-  with tf.op_scope([inputs], scope, 'AvgPool'):
+  with tf.name_scope(scope, 'AvgPool', [inputs]):
     kernel_h, kernel_w = _two_element_tuple(kernel_size)
     stride_h, stride_w = _two_element_tuple(stride)
     return tf.nn.avg_pool(inputs,
@@ -409,13 +409,13 @@ def dropout(inputs, keep_prob=0.5, is_training=True, scope=None):
     keep_prob: the probability of keeping each input unit.
     is_training: whether or not the model is in training mode. If so, dropout is
     applied and values scaled. Otherwise, inputs is returned.
-    scope: Optional scope for op_scope.
+    scope: Optional scope for name_scope.
 
   Returns:
     a tensor representing the output of the operation.
   """
   if is_training and keep_prob > 0:
-    with tf.op_scope([inputs], scope, 'Dropout'):
+    with tf.name_scope(scope, 'Dropout', [inputs]):
       return tf.nn.dropout(inputs, keep_prob)
   else:
     return inputs
@@ -428,7 +428,7 @@ def flatten(inputs, scope=None):
 
   Args:
     inputs: a tensor of size [batch_size, ...].
-    scope: Optional scope for op_scope.
+    scope: Optional scope for name_scope.
 
   Returns:
     a flattened tensor with shape [batch_size, k].
@@ -439,7 +439,7 @@ def flatten(inputs, scope=None):
     raise ValueError('Inputs must be have a least 2 dimensions')
   dims = inputs.get_shape()[1:]
   k = dims.num_elements()
-  with tf.op_scope([inputs], scope, 'Flatten'):
+  with tf.name_scope(scope, 'Flatten', [inputs]):
     return tf.reshape(inputs, [-1, k])
 
 
@@ -466,7 +466,7 @@ def repeat_op(repetitions, inputs, op, *args, **kwargs):
     ValueError: if the op is unknown or wrong.
   """
   scope = kwargs.pop('scope', None)
-  with tf.variable_op_scope([inputs], scope, 'RepeatOp'):
+  with tf.variable_scope(scope, 'RepeatOp', [inputs]):
     tower = inputs
     for _ in range(repetitions):
       tower = op(tower, *args, **kwargs)

inception/inception/slim/variables.py

@@ -161,7 +161,7 @@ def get_unique_variable(name):
   Raises:
     ValueError: if no variable uniquely identified by the name exists.
   """
-  candidates = tf.get_collection(tf.GraphKeys.VARIABLES, name)
+  candidates = tf.get_collection(tf.GraphKeys.GLOBAL_VARIABLES, name)
   if not candidates:
     raise ValueError('Couldnt find variable %s' % name)
 
@@ -234,7 +234,7 @@ def global_step(device=''):
   else:
     collections = [
         VARIABLES_TO_RESTORE,
-        tf.GraphKeys.VARIABLES,
+        tf.GraphKeys.GLOBAL_VARIABLES,
         tf.GraphKeys.GLOBAL_STEP,
     ]
     # Get the device for the variable.
@@ -263,7 +263,7 @@ def variable(name, shape=None, dtype=tf.float32, initializer=None,
     trainable: If `True` also add the variable to the graph collection
       `GraphKeys.TRAINABLE_VARIABLES` (see tf.Variable).
     collections: A list of collection names to which the Variable will be added.
-      Note that the variable is always also added to the tf.GraphKeys.VARIABLES
+      Note that the variable is always also added to the tf.GraphKeys.GLOBAL_VARIABLES
       and MODEL_VARIABLES collections.
     device: Optional device to place the variable. It can be an string or a
       function that is called to get the device for the variable.
@@ -275,8 +275,8 @@ def variable(name, shape=None, dtype=tf.float32, initializer=None,
   """
   collections = list(collections or [])
 
-  # Make sure variables are added to tf.GraphKeys.VARIABLES and MODEL_VARIABLES
-  collections += [tf.GraphKeys.VARIABLES, MODEL_VARIABLES]
+  # Make sure variables are added to tf.GraphKeys.GLOBAL_VARIABLES and MODEL_VARIABLES
+  collections += [tf.GraphKeys.GLOBAL_VARIABLES, MODEL_VARIABLES]
   # Add to VARIABLES_TO_RESTORE if necessary
   if restore:
     collections.append(VARIABLES_TO_RESTORE)