def digit_load(args):
train_bs = args.batch_size
if args.dset == 's':
train_source = svhn.SVHN('./data/svhn/', split='train', download=True,
transform=transforms.Compose([
transforms.Resize(32),
transforms.ToTensor(),
transforms.Normalize((0.5, 0.5, 0.5), (0.5, 0.5, 0.5))
]))
test_source = svhn.SVHN('./data/svhn/', split='test', download=True,
transform=transforms.Compose([
transforms.Resize(32),
transforms.ToTensor(),
transforms.Normalize((0.5, 0.5, 0.5), (0.5, 0.5, 0.5))
]))
elif args.dset == 'u':
train_source = usps.USPS('./data/usps/', train=True, download=True,
transform=transforms.Compose([
transforms.RandomCrop(28, padding=4),
transforms.RandomRotation(10),
transforms.ToTensor(),
transforms.Normalize((0.5,), (0.5,))
]))
test_source = usps.USPS('./data/usps/', train=False, download=True,
transform=transforms.Compose([
transforms.RandomCrop(28, padding=4),
transforms.RandomRotation(10),
transforms.ToTensor(),
transforms.Normalize((0.5,), (0.5,))
]))
elif args.dset == 'm':
train_source = mnist.MNIST('./data/mnist/', train=True, download=True,
transform=transforms.Compose([
transforms.ToTensor(),
transforms.Normalize((0.5,), (0.5,))
]))
test_source = mnist.MNIST('./data/mnist/', train=False, download=True,
transform=transforms.Compose([
transforms.ToTensor(),
transforms.Normalize((0.5,), (0.5,))
]))
dset_loaders = {}
dset_loaders["train"] = DataLoader(train_source, batch_size=train_bs, shuffle=True,
num_workers=args.worker, drop_last=False)
dset_loaders["test"] = DataLoader(test_source, batch_size=train_bs*2, shuffle=False,
num_workers=args.worker, drop_last=False)
return dset_loaders
def test(dataset_name,model_root):
cuda = True
cudnn.benchmark = True
batch_size = 128
image_size = 28
alpha = 0
if model_root == 'model_mm':
assert dataset_name in ['MNIST', 'mnist_m']
image_root = os.path.join('dataset', dataset_name)
"""load data"""
img_transform_source = transforms.Compose([
transforms.Resize(image_size),
transforms.ToTensor(),
transforms.Normalize(mean=(0.1307,), std=(0.3081,))
])
img_transform_target = transforms.Compose([
transforms.Resize(image_size),
transforms.ToTensor(),
transforms.Normalize(mean=(0.5, 0.5, 0.5), std=(0.5, 0.5, 0.5))
])
if dataset_name == 'mnist_m':
test_list = os.path.join(image_root, 'mnist_m_test_labels.txt')
dataset = GetLoader(
data_root=os.path.join(image_root, 'mnist_m_test'),
data_list=test_list,
transform=img_transform_target
)
else:
dataset = datasets.MNIST(
root='dataset',
train=False,
transform=img_transform_source,
)
elif model_root == 'model_su':
if dataset_name == 'svhn':
dataset = svhn.SVHN('./data/svhn/', split='test', download=True,
transform=transforms.Compose([
transforms.Resize(28),
transforms.ToTensor(),
transforms.Normalize((0.5, 0.5, 0.5), (0.5, 0.5, 0.5))
]))
elif dataset_name == 'usps':
dataset = usps.USPS('./data/usps/', train=False, download=True,
transform=transforms.Compose([
transforms.ToTensor(),
transforms.Normalize((0.5,), (0.5,))
]))
dataloader = torch.utils.data.DataLoader(
dataset=dataset,
batch_size=batch_size,
shuffle=False,
num_workers=8
)
""" test """
my_net = torch.load(os.path.join(
model_root, 'mnist_mnistm_model_epoch_current.pth'
))
my_net = my_net.eval()
if cuda:
my_net = my_net.cuda()
len_dataloader = len(dataloader)
data_target_iter = iter(dataloader)
i = 0
n_total = 0
n_correct = 0
while i < len_dataloader:
# test model using target data
data_target = data_target_iter.next()
t_img, t_label = data_target
batch_size = len(t_label)
if cuda:
t_img = t_img.cuda()
t_label = t_label.cuda()
class_output = my_net(input_data=t_img, alpha=alpha)
pred = class_output.data.max(1, keepdim=True)[1]
n_correct += pred.eq(t_label.data.view_as(pred)).cpu().sum()
n_total += batch_size
i += 1
accu = n_correct.data.numpy() * 1.0 / n_total
return accu
def run(args):
args.logdir = args.logdir + args.mode
args.trained = args.trained + args.mode + '/best_model.pt'
if not os.path.exists(args.logdir):
os.makedirs(args.logdir)
logger = get_logger(os.path.join(args.logdir, 'main.log'))
logger.info(args)
# data
# source_transform = transforms.Compose([
# # transforms.Grayscale(),
# transforms.ToTensor()]
# )
# target_transform = transforms.Compose([
# transforms.Resize(32),
# transforms.ToTensor(),
# transforms.Lambda(lambda x: x.repeat(3, 1, 1))
# ])
# source_dataset_train = SVHN(
# './input', 'train', transform=source_transform, download=True)
# target_dataset_train = MNIST(
# './input', train=True, transform=target_transform, download=True)
# target_dataset_test = MNIST(
# './input', train=False, transform=target_transform, download=True)
# source_train_loader = DataLoader(
# source_dataset_train, args.batch_size, shuffle=True,
# drop_last=True,
# num_workers=args.n_workers)
# target_train_loader = DataLoader(
# target_dataset_train, args.batch_size, shuffle=True,
# drop_last=True,
# num_workers=args.n_workers)
# target_test_loader = DataLoader(
# target_dataset_test, args.batch_size, shuffle=False,
# num_workers=args.n_workers)
batch_size = 128
if args.mode == 'm2mm':
source_dataset_name = 'MNIST'
target_dataset_name = 'mnist_m'
source_image_root = os.path.join('dataset', source_dataset_name)
target_image_root = os.path.join('dataset', target_dataset_name)
image_size = 28
img_transform_source = transforms.Compose([
transforms.Resize(image_size),
transforms.ToTensor(),
transforms.Normalize(mean=(0.1307, ), std=(0.3081, ))
])
img_transform_target = transforms.Compose([
transforms.Resize(image_size),
transforms.ToTensor(),
transforms.Normalize(mean=(0.5, 0.5, 0.5), std=(0.5, 0.5, 0.5))
])
dataset_source = datasets.MNIST(root='dataset',
train=True,
transform=img_transform_source,
download=True)
train_list = os.path.join(target_image_root,
'mnist_m_train_labels.txt')
dataset_target_train = GetLoader(data_root=os.path.join(
target_image_root, 'mnist_m_train'),
data_list=train_list,
transform=img_transform_target)
test_list = os.path.join(target_image_root, 'mnist_m_test_labels.txt')
dataset_target_test = GetLoader(data_root=os.path.join(
target_image_root, 'mnist_m_test'),
data_list=test_list,
transform=img_transform_target)
elif args.mode == 's2u':
dataset_source = svhn.SVHN('./data/svhn/',
split='train',
download=True,
transform=transforms.Compose([
transforms.Resize(28),
transforms.ToTensor(),
transforms.Normalize((0.5, 0.5, 0.5),
(0.5, 0.5, 0.5))
]))
dataset_target_train = usps.USPS('./data/usps/',
train=True,
download=True,
transform=transforms.Compose([
transforms.ToTensor(),
transforms.Normalize((0.5, ),
(0.5, ))
]))
dataset_target_test = usps.USPS('./data/usps/',
train=False,
download=True,
transform=transforms.Compose([
transforms.ToTensor(),
transforms.Normalize((0.5, ),
(0.5, ))
]))
source_dataset_name = 'svhn'
target_dataset_name = 'usps'
source_train_loader = torch.utils.data.DataLoader(dataset=dataset_source,
batch_size=batch_size,
shuffle=True,
num_workers=8)
target_train_loader = torch.utils.data.DataLoader(
dataset=dataset_target_train,
batch_size=batch_size,
shuffle=True,
num_workers=8)
target_test_loader = torch.utils.data.DataLoader(
dataset=dataset_target_test,
batch_size=batch_size,
shuffle=False,
num_workers=8)
# train source CNN
source_cnn = CNN(in_channels=args.in_channels).to(args.device)
if os.path.isfile(args.trained):
print("load model")
c = torch.load(args.trained)
source_cnn.load_state_dict(c['model'])
logger.info('Loaded `{}`'.format(args.trained))
else:
print("not load model")
# train target CNN
target_cnn = CNN(in_channels=args.in_channels, target=True).to(args.device)
target_cnn.load_state_dict(source_cnn.state_dict())
discriminator = Discriminator(args=args).to(args.device)
criterion = nn.CrossEntropyLoss()
optimizer = optim.Adam(target_cnn.encoder.parameters(), lr=args.lr)
# optimizer = optim.Adam(
# target_cnn.encoder.parameters(),
# lr=args.lr, betas=args.betas, weight_decay=args.weight_decay)
d_optimizer = optim.Adam(discriminator.parameters(), lr=args.lr)
# d_optimizer = optim.Adam(
# discriminator.parameters(),
# lr=args.lr, betas=args.betas, weight_decay=args.weight_decay)
train_target_cnn(source_cnn,
target_cnn,
discriminator,
criterion,
optimizer,
d_optimizer,
source_train_loader,
target_train_loader,
target_test_loader,
args=args)
transform=img_transform_source,
download=True)
train_list = os.path.join(target_image_root, 'mnist_m_train_labels.txt')
dataset_target = GetLoader(data_root=os.path.join(target_image_root,
'mnist_m_train'),
data_list=train_list,
transform=img_transform_target)
elif model_root == 'model_su':
dataset_source = svhn.SVHN('./data/svhn/',
split='train',
download=True,
transform=transforms.Compose([
transforms.Resize(28),
transforms.ToTensor(),
transforms.Normalize((0.5, 0.5, 0.5),
(0.5, 0.5, 0.5))
]))
dataset_target = usps.USPS('./data/usps/',
train=True,
download=True,
transform=transforms.Compose([
transforms.ToTensor(),
transforms.Normalize((0.5, ), (0.5, ))
]))
test_target = usps.USPS('./data/usps/',
train=False,
download=True,
