Beispiel #1
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    def test_core50_ni_benchmark(self):

        if "FAST_TEST" in os.environ:
            pass
        else:
            benchmark = CORe50(scenario="ni")
            for experience in benchmark.train_stream:
                pass
Beispiel #2
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    def test_core50_ni_scenario(self):

        if "FAST_TEST" in os.environ:
            pass
        else:
            scenario = CORe50(scenario="ni")
            for experience in scenario.train_stream:
                pass
Beispiel #3
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    def test_core50_ni_scenario(self):

        if "FAST_TEST" in os.environ:
            pass
        else:
            scenario = CORe50(scenario="ni")
            for task_info in scenario:
                pass
Beispiel #4
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    def test_core50_nc_scenario(self):
        benchmark_instance = CORe50(scenario='nc')

        self.assertEqual(1, len(benchmark_instance.test_stream))

        classes_in_test = benchmark_instance.\
            classes_in_experience['test'][0]
        self.assertSetEqual(
            set(range(50)),
            set(classes_in_test))
Beispiel #5
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    def test_core50_nc_benchmark(self):
        if "FAST_TEST" in os.environ:
            pass
        else:
            benchmark_instance = CORe50(scenario="nc")
            self.assertEqual(1, len(benchmark_instance.test_stream))

            classes_in_test = benchmark_instance.classes_in_experience["test"][
                0]
            self.assertSetEqual(set(range(50)), set(classes_in_test))
Beispiel #6
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def main(args):
    # Device config
    device = torch.device(f"cuda:{args.cuda}"
                          if torch.cuda.is_available() and
                          args.cuda >= 0 else "cpu")
    print('device ', device)
    # ---------

    # --- TRANSFORMATIONS
    _mu = [0.485, 0.456, 0.406]  # imagenet normalization
    _std = [0.229, 0.224, 0.225]
    transform = transforms.Compose([
        transforms.Resize((224, 224)),
        transforms.ToTensor(),
        transforms.Normalize(mean=_mu,
                             std=_std)
    ])
    # ---------

    # --- SCENARIO CREATION
    scenario = CORe50(scenario=args.scenario, train_transform=transform,
                      eval_transform=transform)

    # ---------

    eval_plugin = EvaluationPlugin(
        loss_metrics(epoch=True, experience=True, stream=True),
        accuracy_metrics(epoch=True, experience=True, stream=True),
        forgetting_metrics(experience=True, stream=True),
        loggers=[InteractiveLogger()]
    )

    criterion = torch.nn.CrossEntropyLoss()
    model = SLDAResNetModel(device=device, arch='resnet18',
                            imagenet_pretrained=args.imagenet_pretrained)

    # CREATE THE STRATEGY INSTANCE
    cl_strategy = StreamingLDA(model, criterion,
                               args.feature_size, args.n_classes,
                               eval_mb_size=args.batch_size,
                               train_mb_size=args.batch_size,
                               train_epochs=1,
                               shrinkage_param=args.shrinkage,
                               streaming_update_sigma=args.plastic_cov,
                               device=device, evaluator=eval_plugin)

    warnings.warn(
        "The Deep SLDA example is not perfectly aligned with "
        "the paper implementation since it does not use a base "
        "initialization phase and instead starts streming from "
        "pre-trained weights.")

    # TRAINING LOOP
    print('Starting experiment...')
    for i, exp in enumerate(scenario.train_stream):

        # fit SLDA model to batch (one sample at a time)
        cl_strategy.train(exp)

        # evaluate model on test data
        cl_strategy.eval(scenario.test_stream)
Beispiel #7
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 def test_core50_ni_benchmark(self):
     benchmark = CORe50(scenario="ni")
     for experience in benchmark.train_stream:
         pass