Exemplo n.º 1
0
        from models.GoogLeNet import *
        model = GoogLeNet()
    elif modelName == "ResNet18":
        from models.ResNet18 import *
        model = ResNet18()
    elif modelName == "DenseNet121":
        from models.DenseNet import *
        model = DenseNet121()
    elif modelName == "MobileNet":
        from models.MobileNet import *
        model = MobileNet()
    else:
        model = None

    if model is not None:
        model = model.to(Device)
    else:
        raise Exception("model not found")


    # optimizer and loss function
    optimizer = optim.SGD(model.parameters(), lr=learning_rate, 
                    momentum=momentum, weight_decay=weightDecay)
    loss_func = torch.nn.CrossEntropyLoss()


    # use testset to evaluate
    def evaluateModel():
        total_acc = 0.0
        total_loss = 0.0
        step = 0
Exemplo n.º 2
0
cat_samples = train_dataset.images[:
                                   10]  # The first images on the list are cats
dog_samples = train_dataset.images[
    -10:]  # The last images on the list are dogs
for i in range(cat_samples.shape[0]):
    tensorboard.add_images("Cat/{}".format(i), None, cat_samples[i:i + 1])
    tensorboard.add_images("Dog/{}".format(i), None, dog_samples[i:i + 1])

model = AlexNet(input_size, output_size)
cur_epoch = 0

if RESUME_TRAINING:
    cur_epoch, optimizer_states_dict, loss = load_checkpoint(model)
    cur_epoch += 1

model = model.to(device)
print(model)

loss_func = torch.nn.BCELoss(reduction="mean")
optimizer = opt(model.parameters(), lr=lr, momentum=momentum)
if RESUME_TRAINING:
    optimizer.load_state_dict(optimizer_states_dict)

# Train

for epoch in range(cur_epoch, epochs):
    accumulated_train_loss = []
    # Set model in trainng mode
    model.train()
    iteration = 0
    for batch_x, batch_y in tqdm(train_generator):