def _init_model(self):
self._enc_model = models.Encoder(density=8, size=self._image_size,
latent_size=self._latent_size)
self._gen_model = models.Generator(density=8, size=self._image_size,
latent_size=self._latent_size)
self._dis_model = models.Discriminator(density=8, size=self._image_size)
self._enc_dis_model = models.Encoder(density=8, size=self._image_size,
latent_size=self._latent_size)
self._gen_dis_model = models.Generator(density=8, size=self._image_size,
latent_size=self._latent_size)
self._optimizer_enc = optimizers.Adam(alpha=0.0001, beta1=0.5)
self._optimizer_enc.setup(self._enc_model)
self._optimizer_enc.add_hook(chainer.optimizer.WeightDecay(0.00001))
self._optimizer_gen = optimizers.Adam(alpha=0.0001, beta1=0.5)
self._optimizer_gen.setup(self._gen_model)
self._optimizer_gen.add_hook(chainer.optimizer.WeightDecay(0.00001))
self._optimizer_enc_dis = optimizers.Adam(alpha=0.0001, beta1=0.5)
self._optimizer_enc_dis.setup(self._enc_dis_model)
self._optimizer_enc_dis.add_hook(chainer.optimizer.WeightDecay(0.00001))
self._optimizer_gen_dis = optimizers.Adam(alpha=0.0001, beta1=0.5)
self._optimizer_gen_dis.setup(self._gen_dis_model)
self._optimizer_gen_dis.add_hook(chainer.optimizer.WeightDecay(0.00001))
self._optimizer_dis = optimizers.Adam(alpha=0.0001, beta1=0.5)
self._optimizer_dis.setup(self._dis_model)
self._optimizer_dis.add_hook(chainer.optimizer.WeightDecay(0.00001))
self._enc_model.to_gpu(self._gpu) # send to main GPU
self._gen_model.to_gpu(self._gpu)
self._dis_model.to_gpu(self._gpu)
def set_network(depth, ctx, lr, beta1, ndf, ngf, append=True, solver='adam'):
# Pixel2pixel networks
if append:
netD = models.Discriminator(in_channels=6, n_layers =1 , ndf=ndf)##netG = models.CEGenerator(in_channels=3, n_layers=depth, ndf=ngf) # UnetGenerator(in_channels=3, num_downs=8) #
else:
netD = models.Discriminator(in_channels=3, n_layers =1 , ndf=ndf)
#netG = models.UnetGenerator(in_channels=3, num_downs =depth, ngf=ngf) # UnetGenerator(in_channels=3, num_downs=8) #
#netD = models.Discriminator(in_channels=6, n_layers =depth-1, ndf=ngf/4)
netEn = models.Encoder(in_channels=3, n_layers =depth, ndf=ngf)
netDe = models.Decoder(in_channels=3, n_layers =depth, ndf=ngf)
# Initialize parameters
models.network_init(netEn, ctx=ctx)
models.network_init(netDe, ctx=ctx)
models.network_init(netD, ctx=ctx)
if solver=='adam':
# trainer for the generator and the discriminato
trainerEn = gluon.Trainer(netEn.collect_params(), 'adam', {'learning_rate': lr, 'beta1': beta1})
trainerDe = gluon.Trainer(netDe.collect_params(), 'adam', {'learning_rate': lr, 'beta1': beta1})
trainerD = gluon.Trainer(netD.collect_params(), 'adam', {'learning_rate': lr, 'beta1': beta1})
elif solver == 'sgd':
print('sgd')
trainerG = gluon.Trainer(netG.collect_params(), 'sgd', {'learning_rate': lr, 'momentum': 0.9} )
trainerD = gluon.Trainer(netD.collect_params(), 'sgd', {'learning_rate': lr, 'momentum': 0.9})
return netEn, netDe, netD, trainerEn, trainerDe, trainerD
def set_network(depth, ctx, lr, beta1, ndf, ngf,latent, append=True, solver='adam'):
# Pixel2pixel networks
if append:
netD = models.Discriminator(in_channels=6, n_layers =2 , ndf=ndf)##netG = models.CEGenerator(in_channels=3, n_layers=depth, ndf=ngf) # UnetGenerator(in_channels=3, num_downs=8) #
netD2 = models.LatentDiscriminator(in_channels=6, n_layers =2 , ndf=ndf)##netG = models.CEGenerator(in_channels=3, n_layers=depth, ndf=ngf) # UnetGenerator(in_channels=3, num_downs=8) #
else:
netD = models.Discriminator(in_channels=3, n_layers =2 , ndf=ndf)
netD2 = models.LatentDiscriminator(in_channels=3, n_layers =2 , ndf=ndf)
#netG = models.UnetGenerator(in_channels=3, num_downs =depth, ngf=ngf) # UnetGenerator(in_channels=3, num_downs=8) #
#netD = models.Discriminator(in_channels=6, n_layers =depth-1, ndf=ngf/4)
netEn = models.Encoder(in_channels=3, n_layers =depth,latent=latent, ndf=ngf)
netDe = models.Decoder(in_channels=3, n_layers =depth, latent=latent, ndf=ngf)
# Initialize parameters
models.network_init(netEn, ctx=ctx)
models.network_init(netDe, ctx=ctx)
models.network_init(netD, ctx=ctx)
models.network_init(netD2, ctx=ctx)
trainerEn = gluon.Trainer(netEn.collect_params(), 'adam', {'learning_rate': lr, 'beta1': beta1})
trainerDe = gluon.Trainer(netDe.collect_params(), 'adam', {'learning_rate': lr, 'beta1': beta1})
trainerD = gluon.Trainer(netD.collect_params(), 'adam', {'learning_rate': lr, 'beta1': beta1})
trainerD2 = gluon.Trainer(netD2.collect_params(), 'adam', {'learning_rate': lr, 'beta1': beta1})
return netEn, netDe, netD, netD2, trainerEn, trainerDe, trainerD, trainerD2
def __init__(self, options):
self.device = options.device
self.enc_path = options.enc_path
self.content_size = options.content_size
self.enc_iter = options.enc_iter
if not os.path.exists(os.path.join(self.enc_path, 'codes')):
os.makedirs(os.path.join(self.enc_path, 'codes'))
transforms = []
if options.crop_size is not None:
transforms.append(T.CenterCrop(options.crop_size))
transforms.append(T.Resize(options.image_size))
transforms.append(T.ToTensor())
transforms.append(T.Normalize((0.5, 0.5, 0.5, 0), (0.5, 0.5, 0.5, 1)))
self.dataset = ImageFolder(options.data_root,
transform=T.Compose(transforms))
self.dataloader = torch.utils.data.DataLoader(
self.dataset,
batch_size=options.batch_size,
num_workers=options.nloader)
self.data_iter = iter(self.dataloader)
self.enc = models.Encoder(options.image_size, options.image_size,
options.enc_features, options.enc_blocks,
options.enc_adain_features,
options.enc_adain_blocks,
options.content_size)
self.enc.to(self.device)
self.enc.load_state_dict(
torch.load(os.path.join(self.enc_path, 'models',
'{0}_enc.pt'.format(self.enc_iter)),
map_location=self.device))
def __call__(self) -> float:
# initial data
if self.args.GEOmetrics:
self.adj_info, initial_positions = utils.load_mesh_vision(
self.args, f'../data/sphere.obj')
else:
self.adj_info, initial_positions = utils.load_mesh_vision(
self.args, f'../data/vision_sheets.obj')
self.encoder = models.Encoder(self.adj_info,
Variable(initial_positions.cuda()),
self.args)
self.encoder.cuda()
params = list(self.encoder.parameters())
self.optimizer = optim.Adam(params, lr=self.args.lr, weight_decay=0)
writer = SummaryWriter(
os.path.join('experiments/tensorboard/', self.args.exp_type))
train_loader, valid_loaders = self.get_loaders()
if self.args.eval:
if self.args.pretrained != 'no':
self.load_pretrained()
else:
self.load('')
with torch.no_grad():
self.validate(valid_loaders, writer)
exit()
# training loop
for epoch in range(3000):
self.epoch = epoch
self.train(train_loader, writer)
with torch.no_grad():
self.validate(valid_loaders, writer)
self.check_values()
def main():
latent_dim = 16
datasource = allocate_datasource(args.env)
num_actions = datasource.binary_input_channels
num_rewards = datasource.scalar_output_channels
input_channels = datasource.conv_input_channels
output_channels = datasource.conv_output_channels
encoder = (models.Encoder(latent_dim, input_channels))
decoder = (models.Decoder(latent_dim, output_channels))
reward_predictor = (models.RewardPredictor(latent_dim, num_rewards))
discriminator = (models.Discriminator())
transition = (models.Transition(latent_dim, num_actions))
if args.load_from is None:
print('No --load-from directory specified: initializing new networks')
elif 'model-encoder.pth' not in os.listdir(args.load_from):
print('Error: Failed to load saved models from directory {}'.format(
args.load_from))
raise ValueError('Failed to load weights from *.pth')
else:
print('Loading models from directory {}'.format(args.load_from))
encoder.load_state_dict(
torch.load(os.path.join(args.load_from, 'model-encoder.pth')))
decoder.load_state_dict(
torch.load(os.path.join(args.load_from, 'model-decoder.pth')))
transition.load_state_dict(
torch.load(os.path.join(args.load_from, 'model-transition.pth')))
discriminator.load_state_dict(
torch.load(os.path.join(args.load_from,
'model-discriminator.pth')))
reward_predictor.load_state_dict(
torch.load(
os.path.join(args.load_from, 'model-reward_predictor.pth')))
if args.evaluate:
print('Finished {} playthroughs'.format(args.evaluations))
for _ in range(args.evaluations):
with torch.no_grad():
play(latent_dim, datasource, num_actions, num_rewards, encoder,
decoder, reward_predictor, discriminator, transition)
print('Finished {} playthroughs'.format(args.evaluations))
evaluate(datasource,
encoder,
decoder,
transition,
discriminator,
reward_predictor,
latent_dim,
use_training_set=True)
else:
train(latent_dim, datasource, num_actions, num_rewards, encoder,
decoder, reward_predictor, discriminator, transition)
print('Finished execution, terminating')
def test_size(self):
"""Test that the Encoder produces the correct size output."""
batch_size = 32
image_size = 64
latent_size = 128
E = models.Encoder(latent_size, image_size)
tensor_in = Variable(2.0 * (torch.rand(
(batch_size, 3, image_size, image_size)) - 0.5))
tensor_out = E.forward(tensor_in)
self.assertEqual(tensor_out.size(),
torch.Size([batch_size, latent_size]))
def create_models(image_size=64, latent_size=128):
"""Creates encoder and decoder and moves them to the GPU if requested."""
E = models.Encoder(latent_size, image_size)
D = models.Decoder(latent_size, image_size)
if RUN_ON_GPU:
print('Moving models to GPU.')
E.cuda()
D.cuda()
else:
print('Keeping models on CPU.')
return E, D
def test_layers(self):
"""Test that the Encoder produces the correct size output for each layer."""
batch_size = 32
image_size = 64
latent_size = 128
E = models.Encoder(latent_size, image_size)
tensor = Variable(2.0 * (torch.rand(
(batch_size, 3, image_size, image_size)) - 0.5))
tensor = tensor.view(tensor.size()[0], -1)
tensor = E.hidden_layer(tensor)
self.assertEqual(tensor.size(), torch.Size([batch_size, latent_size]))
tensor = E.output_layer(tensor)
self.assertEqual(tensor.size(), torch.Size([batch_size, latent_size]))
def set_network(depth, ctx, ngf):
# Pixel2pixel networks
#netG = models.CEGenerator(in_channels=3, n_layers=depth, ndf=ngf) # UnetGenerator(in_channels=3, num_downs=8) #
netEn = models.Encoder(in_channels=3, n_layers=depth, ndf=ngf) # UnetGenerator(in_channels=3, num_downs=8) #
netDe = models.Decoder(in_channels=3, n_layers=depth, ndf=ngf) # UnetGenerator(in_channels=3, num_downs=8) #
netD = models.Discriminator(in_channels=3, n_layers =depth, ndf=ngf, isthreeway=True)
# Initialize parameters
models.network_init(netDe, ctx=ctx)
models.network_init(netEn, ctx=ctx)
models.network_init(netD, ctx=ctx)
return netEn, netDe, netD
def __init__(self,
device,
model,
model_num_labels,
image_nc,
box_min,
box_max,
eps,
pgd_iter,
models_path,
out_path,
model_name,
writer,
E_lr,
defG_lr):
output_nc = image_nc
self.device = device
self.model_num_labels = model_num_labels
self.model = model
self.input_nc = image_nc
self.output_nc = output_nc
self.box_min = box_min
self.box_max = box_max
self.eps = eps
self.pgd_iter = pgd_iter
self.models_path = models_path
self.out_path = out_path
self.model_name = model_name
self.writer = writer
self.E_lr = E_lr
self.defG_lr = defG_lr
self.en_input_nc = image_nc
self.E = models.Encoder(image_nc).to(device)
self.defG = models.Generator(adv=False).to(device)
self.pgd = PGD(self.model, self.E, self.defG, self.device, self.eps)
# initialize all weights
self.E.apply(weights_init)
self.defG.apply(weights_init)
# initialize optimizers
self.optimizer_E = torch.optim.Adam(self.E.parameters(),
lr=self.E_lr)
self.optimizer_defG = torch.optim.Adam(self.defG.parameters(),
lr=self.defG_lr)
def set_network(depth, ctx, ndf):
#netG = models.CEGenerator(in_channels=3, n_layers=depth, ndf=ngf) # UnetGenerator(in_channels=3, num_downs=8) #
netEn = models.Encoder(
in_channels=3, n_layers=depth, ndf=ndf,
usetanh=True) # UnetGenerator(in_channels=3, num_downs=8) #
netDe = models.Decoder(
in_channels=3, n_layers=depth,
ndf=ndf) # UnetGenerator(in_channels=3, num_downs=8) #
netD = models.Discriminator(in_channels=3,
n_layers=depth,
ndf=ndf,
isthreeway=False)
netD2 = models.Discriminator(in_channels=3,
n_layers=depth,
ndf=ndf,
isthreeway=False)
return netEn, netDe, netD, netD2
def set_network(depth, ctx, lr, beta1, ngf):
# Pixel2pixel networks
#netG = models.CEGenerator(in_channels=3, n_layers=depth, ndf=ngf) # UnetGenerator(in_channels=3, num_downs=8) #
netEn = models.Encoder(in_channels=3, n_layers=depth, ndf=ngf) # UnetGenerator(in_channels=3, num_downs=8) #
netDe = models.Decoder(in_channels=3, n_layers=depth, ndf=ngf) # UnetGenerator(in_channels=3, num_downs=8) #
netD = models.Discriminator(in_channels=3, n_layers =depth, ndf=ngf, isthreeway=True)
# Initialize parameters
models.network_init(netDe, ctx=ctx)
models.network_init(netEn, ctx=ctx)
models.network_init(netD, ctx=ctx)
# trainer for the generator and the discriminator
trainerEn = gluon.Trainer(netEn.collect_params(), 'adam', {'learning_rate': lr, 'beta1': beta1})
trainerDe = gluon.Trainer(netDe.collect_params(), 'adam', {'learning_rate': lr, 'beta1': beta1})
trainerD = gluon.Trainer(netD.collect_params(), 'adam', {'learning_rate': lr, 'beta1': beta1})
return netEn, netDe, netD, trainerEn, trainerDe, trainerD
def _build_parser(loader, **kwargs):
parser = models.BiaffineParser(
n_rels=len(loader.rel_map),
encoder=models.Encoder(
loader.get_embeddings('word'),
loader.get_embeddings('pre',
normalize=lambda W: W / np.std(W)
if np.std(W) > 0. else W),
loader.get_embeddings('pos'),
n_lstm_layers=kwargs.get('n_lstm_layers', 3),
lstm_hidden_size=kwargs.get('lstm_hidden_size', 400),
embeddings_dropout=kwargs.get('dropout_ratio', 0.33),
lstm_dropout=kwargs.get('dropout_ratio', 0.33)),
encoder_dropout=kwargs.get('dropout_ratio', 0.33),
arc_mlp_units=kwargs.get('arc_mlp_units', 500),
rel_mlp_units=kwargs.get('rel_mlp_units', 100),
arc_mlp_dropout=kwargs.get('dropout_ratio', 0.33),
rel_mlp_dropout=kwargs.get('dropout_ratio', 0.33))
return parser
def set_network(depth, ctx, lr, beta1, ndf, ngf, append=True):
if append:
netD = models.Discriminator(in_channels=6,
n_layers=depth - 1,
istest=True,
ndf=ndf)
else:
netD = models.Discriminator(in_channels=3,
n_layers=depth - 1,
istest=True,
ndf=ndf)
netEn = models.Encoder(
in_channels=3, n_layers=depth, istest=True, latent=4096,
ndf=ngf) # UnetGenerator(in_channels=3, num_downs=8) #
netDe = models.Decoder(
in_channels=3, n_layers=depth, istest=True, latent=4096,
ndf=ngf) # UnetGenerator(in_channels=3, num_downs=8) #
netD2 = None # models.LatentDiscriminator(in_channels=6, n_layers =2 , ndf=ndf)
return netEn, netDe, netD, netD2
def __call__(self) -> float:
self.encoder = models.Encoder(self.args)
self.encoder.cuda()
params = list(self.encoder.parameters())
self.optimizer = optim.Adam(params, lr=self.args.lr, weight_decay=0)
writer = SummaryWriter(
os.path.join('experiments/tensorboard/', args.exp_type))
train_loader, valid_loaders = self.get_loaders()
if self.args.eval:
self.load('')
with torch.no_grad():
self.validate(valid_loaders, writer)
exit()
for epoch in range(self.args.epochs):
self.epoch = epoch
self.train(train_loader, writer)
with torch.no_grad():
self.validate(valid_loaders, writer)
self.check_values()
def pick_model(args, dicts):
"""
Use args to initialize the appropriate model
"""
Y = get_num_labels(args.Y)
if args.model == "rnn":
model = models.VanillaRNN(Y, args.embed_file, dicts, args.rnn_dim,
args.cell_type, args.rnn_layers, args.gpu,
args.embed_size, args.bidirectional)
elif args.model == "cnn_vanilla":
filter_size = int(args.filter_size)
model = models.VanillaConv(Y, args.embed_file, filter_size,
args.num_filter_maps, args.gpu, dicts,
args.embed_size, args.dropout)
elif args.model == "conv_attn":
filter_size = int(args.filter_size)
model = models.ConvAttnPool(Y,
args.embed_file,
filter_size,
args.num_filter_maps,
args.lmbda,
args.gpu,
dicts,
embed_size=args.embed_size,
dropout=args.dropout)
elif args.model == "rnn_attn":
encoder = models.Encoder(Y,
args.embed_file,
dicts,
embed_size=args.embed_size)
decoder = models.Decoder(Y, args.embed_file, dicts)
model = models.Seq2Seq(encoder, decoder, Y, args.embed_file, dicts)
elif args.model == "saved":
model = torch.load(args.test_model)
if args.gpu:
model.cuda()
return model
def main():
batch_size = 16
latent_dim = 12
true_latent_dim = 4
num_actions = 4
encoder = models.Encoder(latent_dim)
decoder = models.Decoder(latent_dim)
transition = models.Transition(latent_dim, num_actions)
blur = models.GaussianSmoothing(channels=3, kernel_size=11, sigma=4.)
higgins_scores = []
#load_from_dir = '/mnt/nfs/experiments/demo_2018_12_12/scm-gan_81bd12cd'
load_from_dir = '.'
print('Loading models from directory {}'.format(load_from_dir))
encoder.load_state_dict(
torch.load(os.path.join(load_from_dir, 'model-encoder.pth')))
decoder.load_state_dict(
torch.load(os.path.join(load_from_dir, 'model-decoder.pth')))
transition.load_state_dict(
torch.load(os.path.join(load_from_dir, 'model-transition.pth')))
encoder.eval()
decoder.eval()
transition.eval()
for model in (encoder, decoder, transition):
for child in model.children():
if type(child) == nn.BatchNorm2d or type(child) == nn.BatchNorm1d:
child.momentum = 0
states, rewards, dones, actions = datasource.get_trajectories(batch_size,
timesteps=1)
states = torch.Tensor(states).cuda()
# Reconstruct the first timestep
reconstructed = decoder(encoder(states[:, 0]))
imutil.show(reconstructed)
# image size 3, 32, 32
# batch size must be an even number
# shuffle must be True
cifar_10_train_dt = CIFAR10(r'c:\data\tv', download=True, transform=ToTensor())
#dev = Subset(cifar_10_train_dt, range(128))
cifar_10_train_l = DataLoader(cifar_10_train_dt,
batch_size=batch_size,
shuffle=True,
drop_last=True,
pin_memory=torch.cuda.is_available())
epoch = 9
model_path = Path(r'c:\data\deepinfomax\models\run1\encoder' + str(epoch))
encoder = models.Encoder()
encoder.load_state_dict(torch.load(str(model_path)))
encoder.to(device)
# compute the latent space for each image and store in (latent, image)
minibatches = []
batch = tqdm(cifar_10_train_l, total=len(cifar_10_train_dt) // batch_size)
for images, target in batch:
images = images.to(device)
encoded, features = encoder(images)
i = images.detach().cpu().unbind(0)
e = encoded.detach().cpu().unbind(0)
sublist = [elem for elem in zip(e, i)]
minibatches.append(sublist)
# flatten the minibatches to a single list
def create_model(args):
print("> Create model.")
## Gensim
# word_model = Word2Vec.load("Word2Vec_V1.h5")
# vectors = word_model.wv
# all_words = vectors.index2word
# mean_vector = vectors.vectors.mean(axis=0)
# wei = torch.tensor(vectors.vectors, dtype=torch.float)
## Gensim
with open(os.path.join(args.data_path, "dict&vectors.pkl"), "rb") as f:
[word2idx, vectors] = pickle.load(f)
global model
if args.attn == 1:
hidden = args.hidden_size
encoder1 = models.Encoder(hidden_size=hidden, nlayers=1)
encoder2 = models.Encoder(input_size=hidden*2*4, hidden_size=hidden, nlayers=1)
attention_dim = 128
attention = models.Attention(attention_dim, attention_dim, attention_dim)
model = models.Classifier(encoder1, encoder2, attention,
hidden_size=hidden,
rec_len=rec_len,
rep_len=rep_len,
num_of_words=len(word2idx),
drop_p=args.drop_p)
elif args.attn == 2:
model = models.BiDAF(window_size=args.max_length,
hidden_size=args.hidden_size,
drop_p=args.drop_p,
num_of_words=len(word2idx)
)
elif args.attn == 3:
model = models.RNNatt(window_size=args.max_length,
hidden_size=args.hidden_size,
drop_p=args.drop_p,
num_of_words=len(word2idx),
rec_len=rec_len,
rep_len=rep_len
)
elif args.attn == 4:
model = models.RNNatt_weight(window_size=args.max_length,
hidden_size=args.hidden_size,
drop_p=args.drop_p,
num_of_words=len(word2idx),
rec_len=rec_len,
rep_len=rep_len
)
else: # args.attn == 0
model = models.RNNbase(window_size=args.max_length,
hidden_size=args.hidden_size,
drop_p=args.drop_p,
num_of_words=len(word2idx)
)
model.word_embedding.load_state_dict({'weight': vectors.to(torch.float32)})
model.word_embedding.weight.requires_grad = False
model = model.to(device)
print(model)
global optimizer
optimizer = optim.Adam(model.parameters(),
lr=args.lr_rate) # , betas=(0.9, 0.999), weight_decay=1e-3)
return word2idx, vectors
parser.add_argument('--batch_size', dest='batch_size', type=int, default=1)
parser.add_argument('--experiment_name',
dest='experiment_name',
default='stgan_128')
args = parser.parse_args()
# model
atts = args.atts
n_att = len(atts)
img_size = args.img_size
batch_size = args.batch_size
experiment_name = args.experiment_name
Gen = models.Generator()
Dis = models.Discriminator(n_att)
Enc = models.Encoder()
Stu = models.Stu()
x = tf.ones(shape=[2, 128, 128, 3], dtype=tf.float32)
a = tf.ones(shape=[2, 13], dtype=tf.float32)
z = Enc(x)
z_stu = Stu(z, a)
x_fake = Gen(z_stu, a - a)
d, att = Dis(x)
lr = tf.Variable(initial_value=0., trainable=False)
g_opt = tf.optimizers.Adam(lr, beta_1=0., beta_2=0.99)
d_opt = tf.optimizers.Adam(lr, beta_1=0., beta_2=0.99)
params = tf.Variable(initial_value=[5, 0], trainable=False, dtype=tf.int64)
if torch.cuda.is_available() and not opt.cuda:
print(
"WARNING: You have a CUDA device, so you should probably run with --cuda"
)
#################################
# initialize tensors
imInputBatch = Variable(
torch.FloatTensor(opt.batchSize, 3, opt.imageSize, opt.imageSize))
imInputMaskBatch = Variable(
torch.FloatTensor(opt.batchSize, 1, opt.imageSize, opt.imageSize))
# need a variable size placeholder to handle variable number of views per fyuse...
# initialize models
encoderInit = nn.DataParallel(models.Encoder(), device_ids=opt.deviceIds)
decoderInit = nn.DataParallel(
models.Decoder(numVertices=642 + 1),
device_ids=opt.deviceIds) # Center to be predicted too
colorInit = nn.DataParallel(models.Color(numVertices=642),
device_ids=opt.deviceIds)
############## ######################
# Send things into GPU
if opt.cuda:
imInputBatch = imInputBatch.cuda(opt.gpuId)
imInputMaskBatch = imInputMaskBatch.cuda(opt.gpuId)
encoderInit = encoderInit.cuda(opt.gpuId)
decoderInit = decoderInit.cuda(opt.gpuId)
colorInit = colorInit.cuda(opt.gpuId)
transforms.Resize(64),
transforms.ToTensor(),
transforms.Normalize((0.5, 0.5, 0.5), (0.5, 0.5, 0.5))
])
dataset = datasets.ImageFolder(args.dataset_dir, transform=transform)
loader = torch.utils.data.DataLoader(dataset,
batch_size=args.batch_size,
shuffle=True,
num_workers=2)
Z_dim = 64
disc_iters = 5
discriminator = models.Discriminator().cuda()
generator = models.Generator(Z_dim * 2).cuda()
encoder_c = models.Encoder(size_num=Z_dim).cuda()
encoder_t = models.Encoder(size_num=Z_dim).cuda()
v2 = models.vgg().cuda()
optim_disc = optim.Adam(filter(lambda p: p.requires_grad,
discriminator.parameters()),
lr=args.lr,
betas=(0.5, 0.9))
optim_gen = optim.Adam(generator.parameters(), lr=args.lr, betas=(0.5, 0.999))
optim_enc_c = optim.Adam([{
'params': encoder_c.parameters()
}],
lr=args.lr,
betas=(0.9, 0.999))
optim_enc_t = optim.Adam([{
def main():
import argparse
parser = argparse.ArgumentParser()
parser.add_argument('--loader_workers', type=int, default=64)
parser.add_argument('--epochs', type=int, default=1200)
parser.add_argument('--batch_size', type=int, default=512)
parser.add_argument('--save_interval', type=int, default=10)
parser.add_argument('--save_dir', type=str, default='logs/')
parser.add_argument('--resume', type=str, default=None)
parser.add_argument('--table', type=str, default='data/Cangjie5.txt')
parser.add_argument('--codemap', type=str, default='data/codemap_cangjie5.txt')
parser.add_argument('--fonts', nargs='+', default=['data/hanazono/HanaMinA.ttf', 'data/hanazono/HanaMinB.ttf'])
parser.add_argument('--encoder_lr', type=float, default=1e-3)
parser.add_argument('--decoder_lr', type=float, default=1e-3)
parser.add_argument('--alpha_c', type=float, default=1.)
parser.add_argument('--grad_clip', type=float, default=5.)
args = parser.parse_args()
args.save_dir = os.path.join(args.save_dir, datetime.datetime.now().strftime("%m-%d-%Y-%H:%M:%S"))
os.makedirs(args.save_dir)
glyph = dset.Glyph(args.fonts)
dataset = dset.CodeTableDataset(glyph, table=args.table, codemap=args.codemap)
train_length = int(len(dataset) * 0.7)
train_set, val_set = torch.utils.data.random_split(dataset, [train_length, len(dataset) - train_length])
train_loader = torch.utils.data.DataLoader(train_set, args.batch_size, True,
collate_fn=dset.collate_batch,
num_workers=args.loader_workers,
pin_memory=True)
val_loader = torch.utils.data.DataLoader(val_set, args.batch_size, False,
collate_fn=dset.collate_batch,
num_workers=args.loader_workers,
pin_memory=True)
encoder = models.Encoder(encode_channels=256).to(device)
encoder_optim = torch.optim.Adam(encoder.parameters(), lr=args.encoder_lr)
decoder = models.Decoder(128, 256, 256, 26 + 2, encoder_dim=256, dropout=0.5).to(device)
decoder_optim = torch.optim.Adam(decoder.parameters(), lr=args.decoder_lr)
epoch_start = 0
if args.resume != None:
print('loading checkpoint: %s'%args.resume)
checkpoint = torch.load(args.resume, map_location=device)
decoder.load_state_dict(checkpoint['decoder'])
decoder_optim.load_state_dict(checkpoint['decoder_optimizer'])
encoder.load_state_dict(checkpoint['encoder'])
encoder_optim.load_state_dict(checkpoint['encoder_optimizer'])
epoch_start = checkpoint['epoch']
criterion = nn.CrossEntropyLoss().to(device)
logger = PredLogger(dataset, args.save_dir, args.codemap)
writer = SummaryWriter(args.save_dir)
best_acc = 0
for epoch in tqdm(range(epoch_start, args.epochs), position=0):
train(train_loader=train_loader,
encoder=encoder,
decoder=decoder,
criterion=criterion,
encoder_optimizer=encoder_optim,
decoder_optimizer=decoder_optim,
epoch=epoch,
logger=logger,
writer=writer,
args=args)
acc, imgs, scores, alphas = validate(val_loader=val_loader,
encoder=encoder,
decoder=decoder,
criterion=criterion,
epoch=epoch,
logger=logger,
writer=writer,
args=args)
is_best = best_acc < acc # and epoch > 0
best_acc = max(acc, best_acc)
if epoch % args.save_interval == args.save_interval - 1 or is_best:
save_checkpoint(epoch, encoder, decoder, encoder_optim, decoder_optim, acc, is_best, args.save_dir)
vis = visualize_att(T.ToPILImage()(imgs[0].cpu()), scores[0].topk(1, dim=-1).indices.flatten().tolist(), alphas[0].view(-1, 13, 13).cpu(), logger.map_rev)
vis.savefig(os.path.join(args.save_dir, 'val_visualize_%d.png'%epoch))
import dataset
import helpers
import models
from config import *
assert (file_name == 'vae-gan')
writer, save_dir = helpers.init(gpu, file_name, experiment_name)
use_ganloss = True # TODO can I use that here?
use_vaeloss = True
use_instancenoise = False
iter_decay = 1000. # iterations after which instance noise is at 1/e
# models # TODO to one model?
netD = models.Discriminator().cuda()
netG = models.Generator().cuda()
netE = models.Encoder().cuda()
# weight initialization
netD.apply(models.init_weights) # xavier init
netE.apply(models.init_weights) # xavier init
netG.apply(models.init_weights) # xavier init
criterion = nn.BCELoss().cuda()
optD = torch.optim.Adam(netD.parameters(), lr=lr)
optG = torch.optim.Adam(netG.parameters(), lr=lr)
optE = torch.optim.Adam(netE.parameters(), lr=lr)
def sample(n_samples):
noise = Variable(torch.randn(n_samples, nz, 1,
1)).cuda() # fake_images = generator(noise)
input_size = len(embeddings[1])
print("Loaded %d words" % vocab_size)
# Load/numberize messages
messages = preprocessing.load_messages(messages_file)
numberized_messages = preprocessing.numberize_messages(messages, w2i)
print("Loaded %d messages" % len(messages))
# Create encoder
encoder = models.Encoder(
input_size=input_size,
hidden_size=hidden_size,
vocab_size=vocab_size,
embedding_dict=embeddings,
num_layers=1,
dropout=0,
rnn_type='gru',
)
print("Encoder online")
# Create decoder
decoder = models.Decoder(
input_size=input_size,
hidden_size=hidden_size,
vocab_size=vocab_size,
embedding_dict=embeddings,
num_layers=1,
dropout=0,
def main(args):
utils.seedme(args.seed)
cudnn.benchmark = True
device = torch.device(
'cuda' if torch.cuda.is_available() and not args.nocuda else 'cpu')
os.system('mkdir -p {}'.format(args.outf))
dataloader_train = utils.get_patchloader(args.image_train,
resize=args.resize_train,
patch_size=args.patch_size,
batch_size=args.batch_size_train,
fliplr=args.fliplr,
flipud=args.flipud,
rot90=args.rot90,
smooth=args.smooth)
if args.image_valid:
dataloader_valid = utils.get_patchloader(
args.image_valid,
resize=args.resize_valid,
patch_size=args.patch_size,
batch_size=args.batch_size_valid,
fliplr=args.fliplr,
flipud=args.flipud,
rot90=args.rot90,
smooth=args.smooth)
netG = models.DCGAN_G(image_size=args.patch_size,
nc=args.nc,
nz=args.ncode,
ngf=args.ngf).to(device)
netE = models.Encoder(patch_size=args.patch_size,
nc=args.nc,
ncode=args.ncode,
ndf=args.ndf).to(device)
print netG
print netE
optimizer = optim.Adam(list(netG.parameters()) + list(netE.parameters()),
lr=args.lr,
amsgrad=True)
loss_func = nn.MSELoss()
losses = []
losses_valid = []
best_loss = 1e16
for i in range(args.niter):
optimizer.zero_grad()
x = next(dataloader_train).to(device)
if args.sigma:
x = utils.add_noise(x, args.sigma)
y = netG(netE(x))
loss = loss_func(y, x)
loss.backward()
optimizer.step()
if args.image_valid:
with torch.no_grad():
netG.eval()
netE.eval()
x_ = next(dataloader_valid).to(device)
if args.sigma:
x_ = utils.add_noise(x, args.sigma)
y_ = netG(netE(x_))
loss_valid = loss_func(y_, x_)
netG.train()
netE.train()
losses_valid.append(loss_valid.item())
_loss = loss_valid.item() if args.image_valid else loss.item()
if _loss + 1e-3 < best_loss:
best_loss = _loss
print "[{}/{}] best loss: {}".format(i + 1, args.niter, best_loss)
if args.save_best:
torch.save(netE.state_dict(),
'{}/netD_best.pth'.format(args.outf))
losses.append(loss.item())
if (i + 1) % args.nprint == 0:
if args.image_valid:
print '[{}/{}] train: {}, test: {}, best: {}'.format(
i + 1, args.niter, loss.item(), loss_valid.item(),
best_loss)
else:
print '[{}/{}] train: {}, best: {}'.format(
i + 1, args.niter, loss.item(), best_loss)
logger.vutils.save_image(torch.cat([x, y], dim=0),
'{}/train_{}.png'.format(
args.outf, i + 1),
normalize=True)
fig, ax = plt.subplots()
ax.semilogy(scipy.signal.medfilt(losses, 11)[5:-5], label='train')
if args.image_valid:
logger.vutils.save_image(torch.cat([x_, y_], dim=0),
'{}/test_{}.png'.format(
args.outf, i + 1),
normalize=True,
nrow=32)
ax.semilogy(scipy.signal.medfilt(losses_valid, 11)[5:-5],
label='valid')
fig.legend()
fig.savefig('{}/loss.png'.format(args.outf))
plt.close(fig)
torch.save(netE.state_dict(),
'{}/netD_iter_{}.pth'.format(args.outf, i + 1))
image_paths = glob.glob("images/*.jfif")
images = [
np.asarray(Image.open(image_path)) for image_path in image_paths
][:1]
for i in range(len(images)):
image = images[i]
dimensions = image.shape[:2]
ratio = min([min(d, 480) / d for d in dimensions])
scaled_dimensions = [int(ratio * d) for d in dimensions]
image = resize(image, (*scaled_dimensions, 3), anti_aliasing=True)
image = image[:, :, [2, 1, 0]]
image = np.transpose(image, (2, 0, 1))
images[i] = image
encoder = models.Encoder(embedding_size=img_embedding_size).to(device)
decoder = models.Decoder(img_embedding_size=img_embedding_size,
pos_embedding_size=pos_embedding_size,
hidden_size=decoder_hidden_size).to(device)
encoder_opt = torch.optim.Adam(encoder.parameters(), lr=0.004)
decoder_opt = torch.optim.Adam(decoder.parameters(), lr=0.004)
encoder_scheduler = torch.optim.lr_scheduler.ExponentialLR(encoder_opt,
gamma=0.99999)
decoder_scheduler = torch.optim.lr_scheduler.ExponentialLR(decoder_opt,
gamma=0.99999)
for i in range(100000000):
image_idxs = np.random.randint(low=0,
high=len(images),
size=batch_size)
def main():
print("init data folders")
encoder_lv1 = models.Encoder().apply(weight_init).cuda(GPU)
encoder_lv2 = models.Encoder().apply(weight_init).cuda(GPU)
encoder_lv3 = models.Encoder().apply(weight_init).cuda(GPU)
decoder_lv1 = models.Decoder().apply(weight_init).cuda(GPU)
decoder_lv2 = models.Decoder().apply(weight_init).cuda(GPU)
decoder_lv3 = models.Decoder().apply(weight_init).cuda(GPU)
if os.path.exists(str('./checkpoints/' + METHOD + "/encoder_lv1.pkl")):
encoder_lv1.load_state_dict(torch.load(str('./checkpoints/' + METHOD + "/encoder_lv1.pkl")))
print("load encoder_lv1 success")
if os.path.exists(str('./checkpoints/' + METHOD + "/encoder_lv2.pkl")):
encoder_lv2.load_state_dict(torch.load(str('./checkpoints/' + METHOD + "/encoder_lv2.pkl")))
print("load encoder_lv2 success")
if os.path.exists(str('./checkpoints/' + METHOD + "/encoder_lv3.pkl")):
encoder_lv3.load_state_dict(torch.load(str('./checkpoints/' + METHOD + "/encoder_lv3.pkl")))
print("load encoder_lv3 success")
if os.path.exists(str('./checkpoints/' + METHOD + "/decoder_lv1.pkl")):
decoder_lv1.load_state_dict(torch.load(str('./checkpoints/' + METHOD + "/decoder_lv1.pkl")))
print("load encoder_lv1 success")
if os.path.exists(str('./checkpoints/' + METHOD + "/decoder_lv2.pkl")):
decoder_lv2.load_state_dict(torch.load(str('./checkpoints/' + METHOD + "/decoder_lv2.pkl")))
print("load decoder_lv2 success")
if os.path.exists(str('./checkpoints/' + METHOD + "/decoder_lv3.pkl")):
decoder_lv3.load_state_dict(torch.load(str('./checkpoints/' + METHOD + "/decoder_lv3.pkl")))
print("load decoder_lv3 success")
if os.path.exists('./test_results/' + EXPDIR) == False:
os.system('mkdir ./test_results/' + EXPDIR)
iteration = 0.0
test_time = 0.0
for images_name in os.listdir(SAMPLE_DIR):
with torch.no_grad():
images_lv1 = transforms.ToTensor()(Image.open(SAMPLE_DIR + '/' + images_name).convert('RGB'))
images_lv1 = Variable(images_lv1 - 0.5).unsqueeze(0).cuda(GPU)
start = time.time()
H = images_lv1.size(2)
W = images_lv1.size(3)
images_lv2_1 = images_lv1[:,:,0:int(H/2),:]
images_lv2_2 = images_lv1[:,:,int(H/2):H,:]
images_lv3_1 = images_lv2_1[:,:,:,0:int(W/2)]
images_lv3_2 = images_lv2_1[:,:,:,int(W/2):W]
images_lv3_3 = images_lv2_2[:,:,:,0:int(W/2)]
images_lv3_4 = images_lv2_2[:,:,:,int(W/2):W]
feature_lv3_1 = encoder_lv3(images_lv3_1)
feature_lv3_2 = encoder_lv3(images_lv3_2)
feature_lv3_3 = encoder_lv3(images_lv3_3)
feature_lv3_4 = encoder_lv3(images_lv3_4)
feature_lv3_top = torch.cat((feature_lv3_1, feature_lv3_2), 3)
feature_lv3_bot = torch.cat((feature_lv3_3, feature_lv3_4), 3)
feature_lv3 = torch.cat((feature_lv3_top, feature_lv3_bot), 2)
residual_lv3_top = decoder_lv3(feature_lv3_top)
residual_lv3_bot = decoder_lv3(feature_lv3_bot)
feature_lv2_1 = encoder_lv2(images_lv2_1 + residual_lv3_top)
feature_lv2_2 = encoder_lv2(images_lv2_2 + residual_lv3_bot)
feature_lv2 = torch.cat((feature_lv2_1, feature_lv2_2), 2) + feature_lv3
residual_lv2 = decoder_lv2(feature_lv2)
feature_lv1 = encoder_lv1(images_lv1 + residual_lv2) + feature_lv2
deblur_image = decoder_lv1(feature_lv1)
stop = time.time()
test_time += stop-start
print('RunTime:%.4f'%(stop-start), ' Average Runtime:%.4f'%(test_time/(iteration+1)))
save_images(deblur_image.data + 0.5, images_name)
iteration += 1
print()
# load the pretrained model
pretrained_model = "./model_best.pth.tar"
target_model = WideResNet().to(device)
checkpoint = torch.load(pretrained_model, map_location=device)
target_model.load_state_dict(checkpoint['state_dict'])
if args.parameters_count:
print('number of parameters(model):', parameters_count(target_model))
target_model.eval()
epoch = args.epoch
# load encoder & generators
E_path = models_path + model_name + 'E_epoch_{}.pth'.format(epoch)
E = models.Encoder().to(device)
E.load_state_dict(torch.load(E_path, map_location=device))
if args.parameters_count:
print('number of parameters(E):', parameters_count(E))
E.eval()
advG_path = models_path + model_name + 'advG_epoch_{}.pth'.format(epoch)
advG = models.Generator(y_dim=10, adv=True).to(device)
advG.load_state_dict(torch.load(advG_path, map_location=device))
if args.parameters_count:
print('number of parameters(advG):', parameters_count(advG))
advG.eval()
defG_path = models_path + model_name + 'defG_epoch_{}.pth'.format(epoch)
defG = models.Generator(adv=False).to(device)
defG.load_state_dict(torch.load(defG_path, map_location=device))
