Python resnet_utils.resnet_arg_scope方法代码示例

# 需要导入模块: from tensorflow.contrib.slim.python.slim.nets import resnet_utils [as 别名]
# 或者: from tensorflow.contrib.slim.python.slim.nets.resnet_utils import resnet_arg_scope [as 别名]
def testClassificationShapes(self):
    global_pool = True
    num_classes = 10
    inputs = create_test_input(2, 224, 224, 3)
    with arg_scope(resnet_utils.resnet_arg_scope()):
      _, end_points = self._resnet_small(
          inputs, num_classes, global_pool, scope='resnet')
      endpoint_to_shape = {
          'resnet/block1': [2, 28, 28, 4],
          'resnet/block2': [2, 14, 14, 8],
          'resnet/block3': [2, 7, 7, 16],
          'resnet/block4': [2, 7, 7, 32]
      }
      for endpoint in endpoint_to_shape:
        shape = endpoint_to_shape[endpoint]
        self.assertListEqual(end_points[endpoint].get_shape().as_list(), shape) 

# 需要导入模块: from tensorflow.contrib.slim.python.slim.nets import resnet_utils [as 别名]
# 或者: from tensorflow.contrib.slim.python.slim.nets.resnet_utils import resnet_arg_scope [as 别名]
def testFullyConvolutionalEndpointShapes(self):
    global_pool = False
    num_classes = 10
    inputs = create_test_input(2, 321, 321, 3)
    with arg_scope(resnet_utils.resnet_arg_scope()):
      _, end_points = self._resnet_small(
          inputs, num_classes, global_pool, scope='resnet')
      endpoint_to_shape = {
          'resnet/block1': [2, 41, 41, 4],
          'resnet/block2': [2, 21, 21, 8],
          'resnet/block3': [2, 11, 11, 16],
          'resnet/block4': [2, 11, 11, 32]
      }
      for endpoint in endpoint_to_shape:
        shape = endpoint_to_shape[endpoint]
        self.assertListEqual(end_points[endpoint].get_shape().as_list(), shape) 

# 需要导入模块: from tensorflow.contrib.slim.python.slim.nets import resnet_utils [as 别名]
# 或者: from tensorflow.contrib.slim.python.slim.nets.resnet_utils import resnet_arg_scope [as 别名]
def testAtrousFullyConvolutionalEndpointShapes(self):
    global_pool = False
    num_classes = 10
    output_stride = 8
    inputs = create_test_input(2, 321, 321, 3)
    with arg_scope(resnet_utils.resnet_arg_scope()):
      _, end_points = self._resnet_small(
          inputs,
          num_classes,
          global_pool,
          output_stride=output_stride,
          scope='resnet')
      endpoint_to_shape = {
          'resnet/block1': [2, 41, 41, 4],
          'resnet/block2': [2, 41, 41, 8],
          'resnet/block3': [2, 41, 41, 16],
          'resnet/block4': [2, 41, 41, 32]
      }
      for endpoint in endpoint_to_shape:
        shape = endpoint_to_shape[endpoint]
        self.assertListEqual(end_points[endpoint].get_shape().as_list(), shape) 

# 需要导入模块: from tensorflow.contrib.slim.python.slim.nets import resnet_utils [as 别名]
# 或者: from tensorflow.contrib.slim.python.slim.nets.resnet_utils import resnet_arg_scope [as 别名]
def testAtrousFullyConvolutionalValues(self):
    """Verify dense feature extraction with atrous convolution."""
    nominal_stride = 32
    for output_stride in [4, 8, 16, 32, None]:
      with arg_scope(resnet_utils.resnet_arg_scope(is_training=False)):
        with ops.Graph().as_default():
          with self.test_session() as sess:
            random_seed.set_random_seed(0)
            inputs = create_test_input(2, 81, 81, 3)
            # Dense feature extraction followed by subsampling.
            output, _ = self._resnet_small(
                inputs, None, global_pool=False, output_stride=output_stride)
            if output_stride is None:
              factor = 1
            else:
              factor = nominal_stride // output_stride
            output = resnet_utils.subsample(output, factor)
            # Make the two networks use the same weights.
            variable_scope.get_variable_scope().reuse_variables()
            # Feature extraction at the nominal network rate.
            expected, _ = self._resnet_small(inputs, None, global_pool=False)
            sess.run(variables.global_variables_initializer())
            self.assertAllClose(
                output.eval(), expected.eval(), atol=1e-4, rtol=1e-4) 

# 需要导入模块: from tensorflow.contrib.slim.python.slim.nets import resnet_utils [as 别名]
# 或者: from tensorflow.contrib.slim.python.slim.nets.resnet_utils import resnet_arg_scope [as 别名]
def testUnknownBatchSize(self):
    batch = 2
    height, width = 65, 65
    global_pool = True
    num_classes = 10
    inputs = create_test_input(None, height, width, 3)
    with arg_scope(resnet_utils.resnet_arg_scope()):
      logits, _ = self._resnet_small(
          inputs, num_classes, global_pool, scope='resnet')
    self.assertTrue(logits.op.name.startswith('resnet/logits'))
    self.assertListEqual(logits.get_shape().as_list(),
                         [None, 1, 1, num_classes])
    images = create_test_input(batch, height, width, 3)
    with self.test_session() as sess:
      sess.run(variables.global_variables_initializer())
      output = sess.run(logits, {inputs: images.eval()})
      self.assertEqual(output.shape, (batch, 1, 1, num_classes)) 

# 需要导入模块: from tensorflow.contrib.slim.python.slim.nets import resnet_utils [as 别名]
# 或者: from tensorflow.contrib.slim.python.slim.nets.resnet_utils import resnet_arg_scope [as 别名]
def testRootlessFullyConvolutionalEndpointShapes(self):
    global_pool = False
    num_classes = 10
    inputs = create_test_input(2, 128, 128, 3)
    with arg_scope(resnet_utils.resnet_arg_scope()):
      _, end_points = self._resnet_small(
          inputs,
          num_classes,
          global_pool,
          include_root_block=False,
          scope='resnet')
      endpoint_to_shape = {
          'resnet/block1': [2, 64, 64, 4],
          'resnet/block2': [2, 32, 32, 8],
          'resnet/block3': [2, 16, 16, 16],
          'resnet/block4': [2, 16, 16, 32]
      }
      for endpoint in endpoint_to_shape:
        shape = endpoint_to_shape[endpoint]
        self.assertListEqual(end_points[endpoint].get_shape().as_list(), shape) 

# 需要导入模块: from tensorflow.contrib.slim.python.slim.nets import resnet_utils [as 别名]
# 或者: from tensorflow.contrib.slim.python.slim.nets.resnet_utils import resnet_arg_scope [as 别名]
def testEndPointsV2(self):
    """Test the end points of a tiny v2 bottleneck network."""
    bottleneck = resnet_v2.bottleneck
    blocks = [
        resnet_utils.Block('block1', bottleneck, [(4, 1, 1), (4, 1, 2)]),
        resnet_utils.Block('block2', bottleneck, [(8, 2, 1), (8, 2, 1)])
    ]
    inputs = create_test_input(2, 32, 16, 3)
    with arg_scope(resnet_utils.resnet_arg_scope()):
      _, end_points = self._resnet_plain(inputs, blocks, scope='tiny')
    expected = [
        'tiny/block1/unit_1/bottleneck_v2/shortcut',
        'tiny/block1/unit_1/bottleneck_v2/conv1',
        'tiny/block1/unit_1/bottleneck_v2/conv2',
        'tiny/block1/unit_1/bottleneck_v2/conv3',
        'tiny/block1/unit_2/bottleneck_v2/conv1',
        'tiny/block1/unit_2/bottleneck_v2/conv2',
        'tiny/block1/unit_2/bottleneck_v2/conv3',
        'tiny/block2/unit_1/bottleneck_v2/shortcut',
        'tiny/block2/unit_1/bottleneck_v2/conv1',
        'tiny/block2/unit_1/bottleneck_v2/conv2',
        'tiny/block2/unit_1/bottleneck_v2/conv3',
        'tiny/block2/unit_2/bottleneck_v2/conv1',
        'tiny/block2/unit_2/bottleneck_v2/conv2',
        'tiny/block2/unit_2/bottleneck_v2/conv3'
    ]
    self.assertItemsEqual(expected, end_points) 

# 需要导入模块: from tensorflow.contrib.slim.python.slim.nets import resnet_utils [as 别名]
# 或者: from tensorflow.contrib.slim.python.slim.nets.resnet_utils import resnet_arg_scope [as 别名]
def testClassificationEndPoints(self):
    global_pool = True
    num_classes = 10
    inputs = create_test_input(2, 224, 224, 3)
    with arg_scope(resnet_utils.resnet_arg_scope()):
      logits, end_points = self._resnet_small(
          inputs, num_classes, global_pool, scope='resnet')
    self.assertTrue(logits.op.name.startswith('resnet/logits'))
    self.assertListEqual(logits.get_shape().as_list(), [2, 1, 1, num_classes])
    self.assertTrue('predictions' in end_points)
    self.assertListEqual(end_points['predictions'].get_shape().as_list(),
                         [2, 1, 1, num_classes]) 

# 需要导入模块: from tensorflow.contrib.slim.python.slim.nets import resnet_utils [as 别名]
# 或者: from tensorflow.contrib.slim.python.slim.nets.resnet_utils import resnet_arg_scope [as 别名]
def testFullyConvolutionalUnknownHeightWidth(self):
    batch = 2
    height, width = 65, 65
    global_pool = False
    inputs = create_test_input(batch, None, None, 3)
    with arg_scope(resnet_utils.resnet_arg_scope()):
      output, _ = self._resnet_small(inputs, None, global_pool)
    self.assertListEqual(output.get_shape().as_list(), [batch, None, None, 32])
    images = create_test_input(batch, height, width, 3)
    with self.test_session() as sess:
      sess.run(variables.global_variables_initializer())
      output = sess.run(output, {inputs: images.eval()})
      self.assertEqual(output.shape, (batch, 3, 3, 32)) 

# 需要导入模块: from tensorflow.contrib.slim.python.slim.nets import resnet_utils [as 别名]
# 或者: from tensorflow.contrib.slim.python.slim.nets.resnet_utils import resnet_arg_scope [as 别名]
def testAtrousFullyConvolutionalUnknownHeightWidth(self):
    batch = 2
    height, width = 65, 65
    global_pool = False
    output_stride = 8
    inputs = create_test_input(batch, None, None, 3)
    with arg_scope(resnet_utils.resnet_arg_scope()):
      output, _ = self._resnet_small(
          inputs, None, global_pool, output_stride=output_stride)
    self.assertListEqual(output.get_shape().as_list(), [batch, None, None, 32])
    images = create_test_input(batch, height, width, 3)
    with self.test_session() as sess:
      sess.run(variables.global_variables_initializer())
      output = sess.run(output, {inputs: images.eval()})
      self.assertEqual(output.shape, (batch, 9, 9, 32))