Пример #1
0
def test_model(state,
               reference_tsv_path,
               reduced_number_of_data=None,
               strore_predicitions_fname=None):
    dataset = DatasetDcase2019Task4(os.path.join(cfg.workspace),
                                    base_feature_dir=os.path.join(
                                        cfg.workspace, "dataset", "features"),
                                    save_log_feature=False)

    crnn_kwargs = state["model"]["kwargs"]
    crnn = CRNN(**crnn_kwargs)
    crnn.load(parameters=state["model"]["state_dict"])
    LOG.info("Model loaded at epoch: {}".format(state["epoch"]))
    pooling_time_ratio = state["pooling_time_ratio"]

    crnn.load(parameters=state["model"]["state_dict"])
    scaler = Scaler()
    scaler.load_state_dict(state["scaler"])
    classes = cfg.classes
    many_hot_encoder = ManyHotEncoder.load_state_dict(
        state["many_hot_encoder"])

    crnn = crnn.eval()
    [crnn] = to_cuda_if_available([crnn])
    transforms_valid = get_transforms(cfg.max_frames, scaler=scaler)

    LOG.info(reference_tsv_path)
    df = dataset.initialize_and_get_df(reference_tsv_path,
                                       reduced_number_of_data)
    strong_dataload = DataLoadDf(df,
                                 dataset.get_feature_file,
                                 many_hot_encoder.encode_strong_df,
                                 transform=transforms_valid)

    predictions = get_predictions(crnn,
                                  strong_dataload,
                                  many_hot_encoder.decode_strong,
                                  pooling_time_ratio,
                                  save_predictions=strore_predicitions_fname)
    compute_strong_metrics(predictions, df)

    weak_dataload = DataLoadDf(df,
                               dataset.get_feature_file,
                               many_hot_encoder.encode_weak,
                               transform=transforms_valid)
    weak_metric = get_f_measure_by_class(
        crnn, len(classes), DataLoader(weak_dataload,
                                       batch_size=cfg.batch_size))
    LOG.info("Weak F1-score per class: \n {}".format(
        pd.DataFrame(weak_metric * 100, many_hot_encoder.labels)))
    LOG.info("Weak F1-score macro averaged: {}".format(np.mean(weak_metric)))
Пример #2
0
def test_model(state, reduced_number_of_data, strore_predicitions_fname=None):
    crnn_kwargs = state["model"]["kwargs"]
    crnn = CRNN(**crnn_kwargs)
    crnn.load(parameters=state["model"]["state_dict"])
    LOG.info("Model loaded at epoch: {}".format(state["epoch"]))
    pooling_time_ratio = state["pooling_time_ratio"]

    crnn.load(parameters=state["model"]["state_dict"])
    scaler = Scaler()
    scaler.load_state_dict(state["scaler"])
    classes = cfg.classes
    many_hot_encoder = ManyHotEncoder.load_state_dict(
        state["many_hot_encoder"])

    # ##############
    # Validation
    # ##############
    crnn = crnn.eval()
    [crnn] = to_cuda_if_available([crnn])
    transforms_valid = get_transforms(cfg.max_frames, scaler=scaler)

    # # 2018
    # LOG.info("Eval 2018")
    # eval_2018_df = dataset.initialize_and_get_df(cfg.eval2018, reduced_number_of_data)
    # # Strong
    # eval_2018_strong = DataLoadDf(eval_2018_df, dataset.get_feature_file, many_hot_encoder.encode_strong_df,
    #                               transform=transforms_valid)
    # predictions = get_predictions(crnn, eval_2018_strong, many_hot_encoder.decode_strong)
    # compute_strong_metrics(predictions, eval_2018_df, pooling_time_ratio)
    # # Weak
    # eval_2018_weak = DataLoadDf(eval_2018_df, dataset.get_feature_file, many_hot_encoder.encode_weak,
    #                             transform=transforms_valid)
    # weak_metric = get_f_measure_by_class(crnn, len(classes), DataLoader(eval_2018_weak, batch_size=cfg.batch_size))
    # LOG.info("Weak F1-score per class: \n {}".format(pd.DataFrame(weak_metric * 100, many_hot_encoder.labels)))
    # LOG.info("Weak F1-score macro averaged: {}".format(np.mean(weak_metric)))

    # Validation 2019
    # LOG.info("Validation 2019 (original code)")
    # b_dataset = B_DatasetDcase2019Task4(cfg.workspace,
    #                                   base_feature_dir=os.path.join(cfg.workspace, 'dataset', 'features'),
    #                                   save_log_feature=False)
    # b_validation_df = b_dataset.initialize_and_get_df(cfg.validation, reduced_number_of_data)
    # b_validation_df.to_csv('old.csv')
    # b_validation_strong = B_DataLoadDf(b_validation_df,
    #                                  b_dataset.get_feature_file, many_hot_encoder.encode_strong_df,
    #                                  transform=transforms_valid)

    # predictions2 = get_predictions(crnn, b_validation_strong, many_hot_encoder.decode_strong,
    #                               save_predictions=strore_predicitions_fname)
    # compute_strong_metrics(predictions2, b_validation_df, pooling_time_ratio)

    # b_validation_weak = B_DataLoadDf(b_validation_df, b_dataset.get_feature_file, many_hot_encoder.encode_weak,
    #                              transform=transforms_valid)
    # weak_metric = get_f_measure_by_class(crnn, len(classes), DataLoader(b_validation_weak, batch_size=cfg.batch_size))
    # LOG.info("Weak F1-score per class: \n {}".format(pd.DataFrame(weak_metric * 100, many_hot_encoder.labels)))
    # LOG.info("Weak F1-score macro averaged: {}".format(np.mean(weak_metric)))

    # ============================================================================================
    # ============================================================================================
    # ============================================================================================

    dataset = DatasetDcase2019Task4(feature_dir=cfg.feature_dir,
                                    local_path=cfg.workspace,
                                    exp_tag=cfg.exp_tag,
                                    save_log_feature=False)
    # Validation 2019
    LOG.info("Validation 2019")
    validation_df = dataset.initialize_and_get_df(cfg.validation,
                                                  reduced_number_of_data)
    validation_strong = DataLoadDf(validation_df,
                                   dataset.get_feature_file,
                                   many_hot_encoder.encode_strong_df,
                                   transform=transforms_valid)

    predictions = get_predictions(crnn,
                                  validation_strong,
                                  many_hot_encoder.decode_strong,
                                  save_predictions=strore_predicitions_fname)
    vdf = validation_df.copy()
    vdf.filename = vdf.filename.str.replace('.npy', '.wav')
    pdf = predictions.copy()
    pdf.filename = pdf.filename.str.replace('.npy', '.wav')
    compute_strong_metrics(pdf, vdf, pooling_time_ratio)

    validation_weak = DataLoadDf(validation_df,
                                 dataset.get_feature_file,
                                 many_hot_encoder.encode_weak,
                                 transform=transforms_valid)
    weak_metric = get_f_measure_by_class(
        crnn, len(classes),
        DataLoader(validation_weak, batch_size=cfg.batch_size))
    LOG.info("Weak F1-score per class: \n {}".format(
        pd.DataFrame(weak_metric * 100, many_hot_encoder.labels)))
    LOG.info("Weak F1-score macro averaged: {}".format(np.mean(weak_metric)))
Пример #3
0
    test_data.set_transform(transforms_valid)

    concat_dataset = ConcatDataset(list_dataset)
    sampler = MultiStreamBatchSampler(concat_dataset, batch_sizes=batch_sizes)
    training_data = DataLoader(concat_dataset, batch_sampler=sampler)

    # ##############
    # Model
    # ##############
    crnn_kwargs = cfg.crnn_kwargs
    crnn = CRNN(**crnn_kwargs)
    crnn_ema = CRNN(**crnn_kwargs)

    if path.exists(cfg.load_weights_fn):
        model_cfg = torch.load(cfg.load_weights_fn)
        crnn.load(parameters=model_cfg['model']['state_dict'])
        update_ema_variables(crnn, crnn_ema, 0.999, 0)
    else:
        crnn.apply(weights_init)
        crnn_ema.apply(weights_init)
    LOG.info(crnn)

    for param in crnn_ema.parameters():
        param.detach_()

    optim_kwargs = {"lr": 0.001, "betas": (0.9, 0.999)}
    optimizer = torch.optim.Adam(
        filter(lambda p: p.requires_grad, crnn.parameters()), **optim_kwargs)
    bce_loss = nn.BCELoss()

    state = {