コード例 #1
0
def preprocessing_manager(cfg):

    if cfg["dataset"]["encoding"] == "inception":

        img_model = InceptionV3(weights='imagenet')

        dataset_preprocessor = PreProcessing(cfg, "inception", (299, 299))
        dataset_preprocessor.run_one_time_encoding(img_model)

        # Load train, validation sets from the pre-processor
        return dataset_preprocessor.get_encoding_keras_generators("inception")

    elif cfg["dataset"]["encoding"] == "resnet50":

        img_model = ResNet50(weights='imagenet')

        dataset_preprocessor = PreProcessing(cfg, "resnet50", (224, 224))
        dataset_preprocessor.run_one_time_encoding(img_model)

        # Load train, validation sets from the pre-processor
        return dataset_preprocessor.get_encoding_keras_generators("resnet50")

    elif cfg["dataset"]["encoding"] == "simple":

        dataset_preprocessor = PreProcessing(cfg, None, (299, 299))
        return dataset_preprocessor.get_image_keras_generators()

    else:
        RuntimeError("Unsupported encoding type!")
    args = parser.parse_args()

    with open(args.config) as fp:
        cfg = yaml.load(fp)

    dataset_cfg = get_dataset_metadata_cfg()
    model_workspace_dir = os.path.join(cfg["workspace"]["directory"],
                                       cfg["dataset"]["name"],
                                       cfg["model"]["arch"])
    utils.make_directories(model_workspace_dir)

    img_model = ResNet50(weights='imagenet')

    dataset_preprocessor = PreProcessing(cfg, "resnet50", False, False)
    dataset_preprocessor.run_one_time_encoding(img_model)

    # Load train, validation sets from the pre-processor
    training_generator, validation_generator, test_generator = dataset_preprocessor.get_keras_generators(
        "resnet50")

    MAX_LEN = 40
    EMBEDDING_DIM = 300
    IMAGE_ENC_DIM = 300
    vocab_size = get_line_count(
        os.path.join(cfg["workspace"]["directory"], cfg["dataset"]["name"],
                     "word_dictionary.txt"))

    img_input = Input(shape=(2048, ))
    img_enc = Dense(300, activation="relu")(img_input)
    images = RepeatVector(MAX_LEN)(img_enc)