def view_results():
    model = torch.load('../temp/exp_results/model_epoch_100.pkl', map_location='cpu')
    config = json.load(open('../config.json'))

    model.eval()
    data_manager = DataManager(config)
    val_loader, _ = data_manager.get_train_eval_dataloaders()

    for idx, (inputs, labels) in enumerate(val_loader, 0):
        print(idx)
        if config['use_cuda']:
            inputs = inputs.cuda().float()
            labels = labels.cuda().float()
            model = model.cuda()
        else:
            inputs = inputs.float()
            labels = labels.float()

        predictions = model(inputs)

        predictions = predictions.data.cpu().numpy()
        print('predictions', np.unique(predictions[0]))
        labels = labels.cpu().numpy()
        print('labels', np.unique(labels[0]))
        mask = create_mask(labels[0], palette=config['palette'])
        img = Image.fromarray(mask.astype(np.uint8))
        img.save('gt' + str(idx) + '.jpg')

        predictions = np.argmax(predictions[0], axis=0)
        mask = create_mask(predictions, palette=config['palette'])
        img = Image.fromarray(mask.astype(np.uint8))
        img.save('pred_' + '_' + str(idx) + '.jpg')
Beispiel #2
0
def main():
    config = json.load(open('./config.json'))

    experiment_name = 'Fully Conv'
    vis_legend = ['Training Loss', 'Eval Loss']
    visualizer = VisdomVisualizer(experiment_name, vis_legend, config=config)

    model = UNetV3(n_channels=config['n_channels'], n_classes=config['n_classes'])
    model.apply(init_weights)

    weights = torch.ones(21)
    if config['use_cuda'] is True:
        weights = weights.cuda()
    weights[0] = 0.07
    weights[15] = 0.5

    criterion = SegmentationLosses(weight=weights).build_loss(mode='ce')
    optimizer = optim.SGD(model.parameters(), lr=0.00001, momentum=0.9)

    data_manager = DataManager(config)
    train_loader, val_loader = data_manager.get_train_eval_dataloaders()

    trainer = Trainer(model, train_loader, val_loader, criterion, optimizer, visualizer, experiment_name, config)
    trainer.train()