Python nasnet.build_nasnet_mobile方法代碼示例

# 需要導入模塊: from nets.nasnet import nasnet [as 別名]
# 或者: from nets.nasnet.nasnet import build_nasnet_mobile [as 別名]
def testBuildLogitsMobileModel(self):
    batch_size = 5
    height, width = 224, 224
    num_classes = 1000
    inputs = tf.random_uniform((batch_size, height, width, 3))
    tf.train.create_global_step()
    with slim.arg_scope(nasnet.nasnet_mobile_arg_scope()):
      logits, end_points = nasnet.build_nasnet_mobile(inputs, num_classes)
    auxlogits = end_points['AuxLogits']
    predictions = end_points['Predictions']
    self.assertListEqual(auxlogits.get_shape().as_list(),
                         [batch_size, num_classes])
    self.assertListEqual(logits.get_shape().as_list(),
                         [batch_size, num_classes])
    self.assertListEqual(predictions.get_shape().as_list(),
                         [batch_size, num_classes]) 

# 需要導入模塊: from nets.nasnet import nasnet [as 別名]
# 或者: from nets.nasnet.nasnet import build_nasnet_mobile [as 別名]
def testVariablesSetDeviceMobileModel(self):
    batch_size = 5
    height, width = 224, 224
    num_classes = 1000
    inputs = tf.random_uniform((batch_size, height, width, 3))
    tf.train.create_global_step()
    # Force all Variables to reside on the device.
    with tf.variable_scope('on_cpu'), tf.device('/cpu:0'):
      with slim.arg_scope(nasnet.nasnet_mobile_arg_scope()):
        nasnet.build_nasnet_mobile(inputs, num_classes)
    with tf.variable_scope('on_gpu'), tf.device('/gpu:0'):
      with slim.arg_scope(nasnet.nasnet_mobile_arg_scope()):
        nasnet.build_nasnet_mobile(inputs, num_classes)
    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.GLOBAL_VARIABLES, scope='on_gpu'):
      self.assertDeviceEqual(v.device, '/gpu:0') 

# 需要導入模塊: from nets.nasnet import nasnet [as 別名]
# 或者: from nets.nasnet.nasnet import build_nasnet_mobile [as 別名]
def testBuildPreLogitsMobileModel(self):
    batch_size = 5
    height, width = 224, 224
    num_classes = None
    inputs = tf.random_uniform((batch_size, height, width, 3))
    tf.train.create_global_step()
    with slim.arg_scope(nasnet.nasnet_mobile_arg_scope()):
      net, end_points = nasnet.build_nasnet_mobile(inputs, num_classes)
    self.assertFalse('AuxLogits' in end_points)
    self.assertFalse('Predictions' in end_points)
    self.assertTrue(net.op.name.startswith('final_layer/Mean'))
    self.assertListEqual(net.get_shape().as_list(), [batch_size, 1056]) 

# 需要導入模塊: from nets.nasnet import nasnet [as 別名]
# 或者: from nets.nasnet.nasnet import build_nasnet_mobile [as 別名]
def testAllEndPointsShapesMobileModel(self):
    batch_size = 5
    height, width = 224, 224
    num_classes = 1000
    inputs = tf.random_uniform((batch_size, height, width, 3))
    tf.train.create_global_step()
    with slim.arg_scope(nasnet.nasnet_mobile_arg_scope()):
      _, end_points = nasnet.build_nasnet_mobile(inputs, num_classes)
    endpoints_shapes = {'Stem': [batch_size, 28, 28, 88],
                        'Cell_0': [batch_size, 28, 28, 264],
                        'Cell_1': [batch_size, 28, 28, 264],
                        'Cell_2': [batch_size, 28, 28, 264],
                        'Cell_3': [batch_size, 28, 28, 264],
                        'Cell_4': [batch_size, 14, 14, 528],
                        'Cell_5': [batch_size, 14, 14, 528],
                        'Cell_6': [batch_size, 14, 14, 528],
                        'Cell_7': [batch_size, 14, 14, 528],
                        'Cell_8': [batch_size, 7, 7, 1056],
                        'Cell_9': [batch_size, 7, 7, 1056],
                        'Cell_10': [batch_size, 7, 7, 1056],
                        'Cell_11': [batch_size, 7, 7, 1056],
                        'Reduction_Cell_0': [batch_size, 14, 14, 352],
                        'Reduction_Cell_1': [batch_size, 7, 7, 704],
                        'global_pool': [batch_size, 1056],
                        # Logits and predictions
                        'AuxLogits': [batch_size, num_classes],
                        'Logits': [batch_size, num_classes],
                        'Predictions': [batch_size, num_classes]}
    self.assertItemsEqual(endpoints_shapes.keys(), end_points.keys())
    for endpoint_name in endpoints_shapes:
      tf.logging.info('Endpoint name: {}'.format(endpoint_name))
      expected_shape = endpoints_shapes[endpoint_name]
      self.assertTrue(endpoint_name in end_points)
      self.assertListEqual(end_points[endpoint_name].get_shape().as_list(),
                           expected_shape) 

# 需要導入模塊: from nets.nasnet import nasnet [as 別名]
# 或者: from nets.nasnet.nasnet import build_nasnet_mobile [as 別名]
def testNoAuxHeadMobileModel(self):
    batch_size = 5
    height, width = 224, 224
    num_classes = 1000
    for use_aux_head in (True, False):
      tf.reset_default_graph()
      inputs = tf.random_uniform((batch_size, height, width, 3))
      tf.train.create_global_step()
      config = nasnet.mobile_imagenet_config()
      config.set_hparam('use_aux_head', int(use_aux_head))
      with slim.arg_scope(nasnet.nasnet_mobile_arg_scope()):
        _, end_points = nasnet.build_nasnet_mobile(inputs, num_classes,
                                                   config=config)
      self.assertEqual('AuxLogits' in end_points, use_aux_head)