Exemplo n.º 1
0
def get_configs_from_multiple_files(model_config_path="",
                                    train_config_path="",
                                    train_input_config_path="",
                                    eval_config_path="",
                                    eval_input_config_path="",
                                    graph_rewriter_config_path=""):
  """Reads training configuration from multiple config files.

  Args:
    model_config_path: Path to model_pb2.DetectionModel.
    train_config_path: Path to train_pb2.TrainConfig.
    train_input_config_path: Path to input_reader_pb2.InputReader.
    eval_config_path: Path to eval_pb2.EvalConfig.
    eval_input_config_path: Path to input_reader_pb2.InputReader.
    graph_rewriter_config_path: Path to graph_rewriter_pb2.GraphRewriter.

  Returns:
    Dictionary of configuration objects. Keys are `model`, `train_config`,
      `train_input_config`, `eval_config`, `eval_input_config`. Key/Values are
        returned only for valid (non-empty) strings.
  """
  configs = {}
  if model_config_path:
    model_config = model_pb2.DetectionModel()
    with tf.gfile.GFile(model_config_path, "r") as f:
      text_format.Merge(f.read(), model_config)
      configs["model"] = model_config

  if train_config_path:
    train_config = train_pb2.TrainConfig()
    with tf.gfile.GFile(train_config_path, "r") as f:
      text_format.Merge(f.read(), train_config)
      configs["train_config"] = train_config

  if train_input_config_path:
    train_input_config = input_reader_pb2.InputReader()
    with tf.gfile.GFile(train_input_config_path, "r") as f:
      text_format.Merge(f.read(), train_input_config)
      configs["train_input_config"] = train_input_config

  if eval_config_path:
    eval_config = eval_pb2.EvalConfig()
    with tf.gfile.GFile(eval_config_path, "r") as f:
      text_format.Merge(f.read(), eval_config)
      configs["eval_config"] = eval_config

  if eval_input_config_path:
    eval_input_config = input_reader_pb2.InputReader()
    with tf.gfile.GFile(eval_input_config_path, "r") as f:
      text_format.Merge(f.read(), eval_input_config)
      configs["eval_input_config"] = eval_input_config

  if graph_rewriter_config_path:
    configs["graph_rewriter_config"] = get_graph_rewriter_config_from_file(
        graph_rewriter_config_path)

  return configs
  def test_build_tf_record_input_reader_and_load_instance_masks(self):
    tf_record_path = self.create_tf_record()

    input_reader_text_proto = """
      shuffle: false
      num_readers: 1
      load_instance_masks: true
      tf_record_input_reader {{
        input_path: '{0}'
      }}
    """.format(tf_record_path)
    input_reader_proto = input_reader_pb2.InputReader()
    text_format.Merge(input_reader_text_proto, input_reader_proto)
    tensor_dict = input_reader_builder.build(input_reader_proto)

    sv = tf.train.Supervisor(logdir=self.get_temp_dir())
    with sv.prepare_or_wait_for_session() as sess:
      sv.start_queue_runners(sess)
      output_dict = sess.run(tensor_dict)

    self.assertEquals(
        (4, 5, 3), output_dict[fields.InputDataFields.image].shape)
    self.assertEquals(
        [2], output_dict[fields.InputDataFields.groundtruth_classes])
    self.assertEquals(
        (1, 4), output_dict[fields.InputDataFields.groundtruth_boxes].shape)
    self.assertAllEqual(
        [0.0, 0.0, 1.0, 1.0],
        output_dict[fields.InputDataFields.groundtruth_boxes][0])
    self.assertAllEqual(
        (1, 4, 5),
        output_dict[fields.InputDataFields.groundtruth_instance_masks].shape)
Exemplo n.º 3
0
    def test_get_configs_from_multiple_files(self):
        """Tests that proto configs can be read from multiple files."""
        temp_dir = self.get_temp_dir()

        # Write model config file.
        model_config_path = os.path.join(temp_dir, "model.config")
        model = model_pb2.DetectionModel()
        model.faster_rcnn.num_classes = 10
        _write_config(model, model_config_path)

        # Write train config file.
        train_config_path = os.path.join(temp_dir, "train.config")
        train_config = train_config = train_pb2.TrainConfig()
        train_config.batch_size = 32
        _write_config(train_config, train_config_path)

        # Write train input config file.
        train_input_config_path = os.path.join(temp_dir, "train_input.config")
        train_input_config = input_reader_pb2.InputReader()
        train_input_config.label_map_path = "path/to/label_map"
        _write_config(train_input_config, train_input_config_path)

        # Write eval config file.
        eval_config_path = os.path.join(temp_dir, "eval.config")
        eval_config = eval_pb2.EvalConfig()
        eval_config.num_examples = 20
        _write_config(eval_config, eval_config_path)

        # Write eval input config file.
        eval_input_config_path = os.path.join(temp_dir, "eval_input.config")
        eval_input_config = input_reader_pb2.InputReader()
        eval_input_config.label_map_path = "path/to/another/label_map"
        _write_config(eval_input_config, eval_input_config_path)

        configs = config_util.get_configs_from_multiple_files(
            model_config_path=model_config_path,
            train_config_path=train_config_path,
            train_input_config_path=train_input_config_path,
            eval_config_path=eval_config_path,
            eval_input_config_path=eval_input_config_path)
        self.assertProtoEquals(model, configs["model"])
        self.assertProtoEquals(train_config, configs["train_config"])
        self.assertProtoEquals(train_input_config,
                               configs["train_input_config"])
        self.assertProtoEquals(eval_config, configs["eval_config"])
        self.assertProtoEquals(eval_input_config, configs["eval_input_config"])
 def test_raises_error_with_no_input_paths(self):
   input_reader_text_proto = """
     shuffle: false
     num_readers: 1
     load_instance_masks: true
   """
   input_reader_proto = input_reader_pb2.InputReader()
   text_format.Merge(input_reader_text_proto, input_reader_proto)
   with self.assertRaises(ValueError):
     input_reader_builder.build(input_reader_proto)