def main():
set_gpu('0')
save_path = 'features/test_new_domain_miniimagenet/'
test_set = ImageNet(root='../cross-domain-fsl/dataset/mini-imagenet/test_new_domain')
val_loader = DataLoader(dataset=test_set, batch_size=1, shuffle=False, num_workers=8,
pin_memory=True)
model = resnet50()
model = torch.nn.DataParallel(model).cuda()
model.load_state_dict(torch.load('save/proto-5/max-acc.pth'))
# model_dict = model.state_dict()
# pretrained_dict = model_zoo.load_url('https://download.pytorch.org/models/resnet50-19c8e357.pth')
# # 1. filter out unnecessary keys
# pretrained_dict = {k: v for k, v in pretrained_dict.items() if k in model_dict}
# # 2. overwrite entries in the existing state dict
# print pretrained_dict
# model_dict.update(pretrained_dict)
# # 3. load the new state dict
# model.load_state_dict(model_dict)
model = model.cuda()
model.eval()
# model = torch.nn.DataParallel(model).cuda()
features = [[] for i in range(359)]
for (image, label) in val_loader:
image = image.cuda()
label = label.numpy()
feature = model(image)
feature = feature.data.cpu().numpy()
# print feature.shape[0]
for j in range(feature.shape[0]):
features[int(label[j])].append(feature[j])
for i in range(359):
save_file = os.path.join(save_path, str(i)+'.txt')
feature_np = np.asarray(features[i])
np.savetxt(save_file, feature_np)
def __init__(self, model_ckpt, serve=False):
utils.set_gpu(1)
num_classes = 340
image_size = 128
self._is = image_size
self.images = tf.placeholder(shape=[None, image_size, image_size, 1],
dtype=tf.uint8)
image_prep_fn = preprocessing_factory.get_preprocessing(
'inception_v1', is_training=False)
images_preped = image_prep_fn(self.images, None, None)
class_logits, self.feat = fixed_model.build_net(
images_preped, num_classes, False)
self.class_probs = tf.nn.softmax(class_logits)
#preds = tf.argmax(class_probs, axis=-1)
saver = tf.train.Saver(tf.global_variables())
self.sess = tf.Session()
saver.restore(self.sess, model_ckpt)
self.cls_id_map = pkl.load(file('class_id_map.pkl', 'rb'))
self.id_cls_map = {}
for k in self.cls_id_map:
self.id_cls_map[self.cls_id_map[k]] = k
if serve:
self.serve_hint()
def main(unused_argv):
if os.path.exists(os.path.join(FLAGS.Ensemble_Models, "16_inference")):
shutil.rmtree(os.path.join(FLAGS.Ensemble_Models, "16_inference"))
utils.set_gpu(1)
logging.set_verbosity(tf.logging.INFO)
print("tensorflow version: %s" % tf.__version__)
#with tf.device("/cpu:0"):
evaluate()
def main(opt: argparse.Namespace):
# Configure environment
utils.set_gpu(opt.gpu)
device = torch.device("cuda")
# Configure networks
separation_model: nn.Module = SeparationNet(
ResNetEncoder(1, [16, 32, 64, 128, 512]), ResNetDecoder(1),
ResNetDecoder(1))
completion_model: nn.Module = HourGlass(ResNetEncoder(1), ResNetDecoder(1))
triplet_model: nn.Module = TripletNet(ResNetEncoder(1))
# Load checkpoints
separation_model.load_state_dict(
torch.load(opt.model_path + "_separation.pt"))
completion_model.load_state_dict(
torch.load(opt.model_path + "_completion.pt"))
triplet_model.load_state_dict(torch.load(opt.model_path + "_triplet.pt"))
separation_model = separation_model.to(device)
completion_model = completion_model.to(device)
triplet_model = triplet_model.to(device)
# Make sure models are in evaluation mode
separation_model.eval()
completion_model.eval()
triplet_model.eval()
# Compute domain confusion
train_confusion_results = evaluate_confusion(
separation_model, completion_model, triplet_model, device,
opt.confusion_train_path, opt.scannet_path, opt.shapenet_path,
opt.confusion_num_neighbors)
print(train_confusion_results)
val_confusion_results = evaluate_confusion(separation_model,
completion_model, triplet_model,
device, opt.confusion_val_path,
opt.scannet_path,
opt.shapenet_path,
opt.confusion_num_neighbors)
print(val_confusion_results)
# Compute similarity metrics
train_retrieval_accuracy = evaluate_similarity_metrics(
separation_model, completion_model, triplet_model, device,
opt.similarity_path, opt.scannet_path, opt.shapenet_path)
def main() -> None:
args = parse_arguments()
u.set_gpu(args.gpu)
# create output folder and save arguments in a .txt file
outpath = os.path.join(
'./results/',
args.outdir if args.outdir is not None else u.random_code())
os.makedirs(outpath, exist_ok=True)
print(colored('Saving to %s' % outpath, 'yellow'))
u.write_args(os.path.join(outpath, 'args.txt'), args)
# get a list of patches organized as dictionaries with image, mask and name fields
patches = extract_patches(args)
print(colored('Processing %d patches' % len(patches), 'yellow'))
# instantiate a trainer
T = Training(args, outpath)
# interpolation
for i, patch in enumerate(patches):
print(
colored('\nThe data shape is %s' % str(patch['image'].shape),
'cyan'))
std = T.load_data(patch)
print(colored('the std of coarse data is %.2e, ' % std, 'cyan'),
end="")
if np.isclose(std, 0., atol=1e-12): # all the data are corrupted
print(colored('skipping...', 'cyan'))
T.out_best = T.img * T.mask
T.elapsed = 0.
else:
# TODO add the transfer learning option
if i == 0 or (args.start_from_prev and T.net is None):
T.build_model()
T.build_input()
T.optimize()
T.save_result()
T.clean()
print(colored('Interpolation done! Saved to %s' % outpath, 'yellow'))
def import_awa2_graph(self, awa2_weights, specific_split, att_weight):
from images_graph_creator import Awa2GraphCreator, ImagesEmbeddings
weights_dict = {
'classes_edges': awa2_weights[0],
'labels_edges': awa2_weights[1]
}
set_gpu(self.args.gpu)
graph_preparation = ImagesEmbeddings(self.args)
dict_name_class, dict_class_name = graph_preparation.dict_name_class, graph_preparation.dict_class_name
seen_classes, unseen_classes = graph_preparation.seen_classes, graph_preparation.unseen_classes
embeds_matrix, dict_image_embed, dict_image_class = graph_preparation.images_embed_calculator(
)
dict_idx_image_class = {
i: dict_name_class[dict_image_class[image]]
for i, image in enumerate(list(dict_image_class.keys()))
}
awa2_graph_creator = Awa2GraphCreator(embeds_matrix, dict_image_embed,
dict_name_class,
dict_idx_image_class,
self.args.graph_percentage,
self.args)
image_graph = awa2_graph_creator.create_image_graph()
kg, dict_class_nodes_translation = awa2_graph_creator.imagenet_knowledge_graph(
)
kg = awa2_graph_creator.attributed_graph(kg, att_weight)
seen_classes = [dict_class_nodes_translation[c] for c in seen_classes]
unseen_classes = [
dict_class_nodes_translation[c] for c in unseen_classes
]
split = {'seen': seen_classes, 'unseen': unseen_classes}
labels_graph = awa2_graph_creator.create_labels_graph(
dict_class_nodes_translation)
awa2_graph = awa2_graph_creator.weighted_graph(image_graph, kg,
labels_graph,
weights_dict)
nx.write_gpickle(awa2_graph, 'awa2/train/awa2_graph')
if specific_split:
return awa2_graph, split
else:
split = None
return awa2_graph, split
def test_proxnet(args):
def load_proxnet(args):
ckp = torch.load(args.net_path)
alpha_learned = ckp['alpha']
net = ProxNet(args).cuda()
net.load_state_dict(ckp['net_state_dict'])
net.alpha = torch.from_numpy(alpha_learned)
net.eval()
print('alpha={}'.format(net.alpha))
return net
operator = OperatorBatch(sampling=args.sampling.upper()).cuda()
H, HT = operator.forward, operator.adjoint
bloch = BLOCH().cuda()
args.dtype = set_gpu(args.cuda)
net = load_proxnet(args)
batch_size = 1
test_loader = torch.utils.data.DataLoader(dataset=data.MRFData(
mod='test', sampling=args.sampling),
batch_size=batch_size,
shuffle=False)
rmse_m, rmse_x, rmse_y = [], [], []
rmse_torch = lambda a, b: torch.norm(a - b, 2).detach().cpu().numpy(
) / torch.norm(b, 2).detach().cpu().numpy() / batch_size
toc = time.time()
for x, m, y in test_loader:
m, y = m.type(args.dtype), y.type(args.dtype)
HTy = HT(y).type(args.dtype)
m_seq, x_seq = net(HTy, H, HT, bloch)
m_hat = m_seq[-1]
rmse_m.append(rmse_torch(m_hat, m))
elapsed = time.time() - toc
print('time: {}'.format(elapsed / 16))
print('m error mean:{}, max: {}, std:{}'.format(np.mean(rmse_m),
np.max(rmse_m),
np.std(rmse_m)))
help='Number of classes in meta training testing set (N in "N-way", default: 1).')
parser.add_argument('--alg', type=str, default='iMAML')
parser.add_argument('--num_test_task', type=int, default=2,
help='Number of test tasks ( default: 1).')
parser.add_argument('--num_task', type=int, default=20,
help='Number of tasks ( default: 10).')
# algorithm settings
parser.add_argument('--n_inner', type=int, default=150)
parser.add_argument('--inner_lr', type=float, default=1e-5)
parser.add_argument('--inner_opt', type=str, default='SGD')
parser.add_argument('--outer_lr', type=float, default=1e-5)
parser.add_argument('--outer_opt', type=str, default='Adam')
parser.add_argument('--lr_sched', type=lambda x: (str(x).lower() == 'true'), default=False)
args = parser.parse_args()
return args
if __name__ == '__main__':
args = parse_args()
set_seed(args.seed)
set_gpu(args.device)
check_dir(args)
main(args)
def train_proxnet(args):
check_paths(args)
# init GPU configuration
args.dtype = set_gpu(args.cuda)
# init seed
np.random.seed(args.seed)
torch.manual_seed(args.seed)
# define training data
train_dataset = data.MRFData(mod='train', sampling=args.sampling)
train_loader = torch.utils.data.DataLoader(dataset=train_dataset,
batch_size=args.batch_size,
shuffle=True)
# init operators (subsampling + subspace dimension reduction + Fourier transformation)
operator = OperatorBatch(sampling=args.sampling.upper()).cuda()
H, HT = operator.forward, operator.adjoint
bloch = BLOCH().cuda()
# init PGD-Net (proxnet)
proxnet = ProxNet(args).cuda()
# init optimizer
optimizer = torch.optim.Adam([{
'params': proxnet.transformnet.parameters(),
'lr': args.lr,
'weight_decay': args.weight_decay
}, {
'params': proxnet.alpha,
'lr': args.lr2
}])
scheduler = torch.optim.lr_scheduler.MultiStepLR(optimizer,
milestones=[20],
gamma=0.1)
# init loss
mse_loss = torch.nn.MSELoss() #.cuda()
# init meters
log = LOG(args.save_model_dir,
filename=args.filename,
field_name=[
'iter', 'loss_m', 'loss_x', 'loss_y', 'loss_total', 'alpha'
])
loss_epoch = 0
loss_m_epoch, loss_x_epoch, loss_y_epoch = 0, 0, 0
# start PGD-Net training
print('start training...')
for e in range(args.epochs):
proxnet.train()
loss_m_seq = []
loss_x_seq = []
loss_y_seq = []
loss_total_seq = []
for x, m, y in train_loader:
# covert data type (cuda)
x, m, y = x.type(args.dtype), m.type(args.dtype), y.type(
args.dtype)
# add noise
noise = args.noise_sigam * torch.randn(y.shape).type(args.dtype)
HTy = HT(y + noise).type(args.dtype)
# PGD-Net computation (iteration)
# output the reconstructions (sequence) of MRF image x and its tissue property map m
m_seq, x_seq = proxnet(HTy, H, HT, bloch)
loss_x, loss_y, loss_m = 0, 0, 0
for t in range(args.time_step):
loss_y += mse_loss(H(x_seq[t]), y) / args.time_step
for i in range(3):
loss_m += args.loss_weight['m'][i] * mse_loss(
m_seq[-1][:, i, :, :], m[:, i, :, :])
loss_x = mse_loss(x_seq[-1], x)
# compute loss
loss_total = loss_m + args.loss_weight[
'x'] * loss_x + args.loss_weight['y'] * loss_y
# update gradient
optimizer.zero_grad()
loss_total.backward()
optimizer.step()
# update meters
loss_m_seq.append(loss_m.item())
loss_x_seq.append(loss_x.item())
loss_y_seq.append(loss_y.item())
loss_total_seq.append(loss_total.item())
# (scheduled) update learning rate
scheduler.step()
# print meters
loss_m_epoch = np.mean(loss_m_seq)
loss_x_epoch = np.mean(loss_x_seq)
loss_y_epoch = np.mean(loss_y_seq)
loss_epoch = np.mean(loss_total_seq)
log.record(e + 1, loss_m_epoch, loss_x_epoch, loss_y_epoch, loss_epoch,
proxnet.alpha.detach().cpu().numpy())
logT(
"==>Epoch {}\tloss_m: {:.6f}\tloss_x: {:.6f}\tloss_y: {:.6f}\tloss_total: {:.6f}\talpha: {}"
.format(e + 1, loss_m_epoch, loss_x_epoch, loss_y_epoch,
loss_epoch,
proxnet.alpha.detach().cpu().numpy()))
# save checkpoint
if args.checkpoint_model_dir is not None and (
e + 1) % args.checkpoint_interval == 0:
proxnet.eval()
ckpt = {
'epoch': e + 1,
'loss_m': loss_m_epoch,
'loss_x': loss_x_epoch,
'loss_y': loss_y_epoch,
'total_loss': loss_epoch,
'net_state_dict': proxnet.state_dict(),
'optimizer_state_dict': optimizer.state_dict(),
'alpha': proxnet.alpha.detach().cpu().numpy()
}
torch.save(
ckpt,
os.path.join(args.checkpoint_model_dir,
'ckp_epoch_{}.pt'.format(e)))
proxnet.train()
# save model
proxnet.eval()
state = {
'epoch': args.epochs,
'loss_m': loss_m_epoch,
'loss_x': loss_x_epoch,
'loss_y': loss_y_epoch,
'total_loss': loss_epoch,
'alpha': proxnet.alpha.detach().cpu().numpy(),
'net_state_dict': proxnet.state_dict(),
'optimizer_state_dict': optimizer.state_dict()
}
save_model_path = os.path.join(args.save_model_dir, log.filename + '.pt')
torch.save(state, save_model_path)
print("\nDone, trained model saved at", save_model_path)
import time
from networks import SRCNN
from utils import Tools, set_gpu
from configs import Config
import tensorflow as tf
import os
from tqdm import tqdm
set_gpu(0)
def log10(x):
numerator = tf.log(x)
denominator = tf.log(tf.constant(10, dtype=numerator.dtype))
return numerator / denominator
def train(cfg, data_loder, test_data):
TRAIN_INPUTS = tf.placeholder('float32', [None, 33, 33, 1])
TRAIN_LABELS = tf.placeholder('float32', [None, 21, 21, 1])
VAL_INPUTS = tf.placeholder('float32', [None, None, None, 1])
VAL_LABELS = tf.placeholder('float32', [None, None, None, 1])
model = SRCNN()
train_inference = model(TRAIN_INPUTS, padding='VALID', name='log')
val_inference = model(VAL_INPUTS, padding='SAME', name='log')
# train_loss = tf.losses.mean_squared_error(TRAIN_LABELS / 255.0, train_inference)
train_loss = tf.reduce_mean(
tf.reduce_sum(tf.square(TRAIN_LABELS / 255.0 - train_inference),
def main():
if args.seed is not None:
random.seed(args.seed)
torch.manual_seed(args.seed)
torch.cuda.manual_seed(args.seed)
torch.cuda.manual_seed_all(args.seed)
# Make the a directory corresponding to this run for saving results, checkpoints etc.
i = 0
while True:
run_base_dir = pathlib.Path(f"{args.log_dir}/{args.name}~try={str(i)}")
if not run_base_dir.exists():
os.makedirs(run_base_dir)
args.name = args.name + f"~try={i}"
break
i += 1
(run_base_dir / "settings.txt").write_text(str(args))
args.run_base_dir = run_base_dir
print(f"=> Saving data in {run_base_dir}")
# Get dataloader.
data_loader = getattr(data, args.set)()
# Track accuracy on all tasks.
if args.num_tasks:
best_acc1 = [0.0 for _ in range(args.num_tasks)]
curr_acc1 = [0.0 for _ in range(args.num_tasks)]
adapt_acc1 = [0.0 for _ in range(args.num_tasks)]
# Get the model.
model = utils.get_model()
# If necessary, set the sparsity of the model of the model using the ER sparsity budget (see paper).
if args.er_sparsity:
for n, m in model.named_modules():
if hasattr(m, "sparsity"):
m.sparsity = min(
0.5,
args.sparsity * (m.weight.size(0) + m.weight.size(1)) /
(m.weight.size(0) * m.weight.size(1) * m.weight.size(2) *
m.weight.size(3)),
)
print(f"Set sparsity of {n} to {m.sparsity}")
# Put the model on the GPU,
model = utils.set_gpu(model)
# Optionally resume from a checkpoint.
if args.resume:
if os.path.isfile(args.resume):
print(f"=> Loading checkpoint '{args.resume}'")
checkpoint = torch.load(args.resume,
map_location=f"cuda:{args.multigpu[0]}")
best_acc1 = checkpoint["best_acc1"]
pretrained_dict = checkpoint["state_dict"]
model_dict = model.state_dict()
pretrained_dict = {
k: v
for k, v in pretrained_dict.items() if k in model_dict
}
model_dict.update(pretrained_dict)
model.load_state_dict(pretrained_dict)
print(
f"=> Loaded checkpoint '{args.resume}' (epoch {checkpoint['epoch']})"
)
else:
print(f"=> No checkpoint found at '{args.resume}'")
criterion = nn.CrossEntropyLoss().to(args.device)
writer = SummaryWriter(log_dir=run_base_dir)
# Track the number of tasks learned.
num_tasks_learned = 0
trainer = getattr(trainers, args.trainer or "default")
print(f"=> Using trainer {trainer}")
train, test = trainer.train, trainer.test
# Initialize model specific context (editorial note: avoids polluting main file)
if hasattr(trainer, "init"):
trainer.init(args)
# TODO: Put this in another file
if args.task_eval is not None:
assert 0 <= args.task_eval < args.num_tasks, "Not a valid task idx"
print(f"Task {args.set}: {args.task_eval}")
model.apply(lambda m: setattr(m, "task", args.task_eval))
assert hasattr(
data_loader, "update_task"
), "[ERROR] Need to implement update task method for use with multitask experiments"
data_loader.update_task(args.task_eval)
optimizer = get_optimizer(args, model)
lr_scheduler = schedulers.get_policy(args.lr_policy
or "cosine_lr")(optimizer, args)
# Train and do inference and normal for args.epochs epcohs.
best_acc1 = 0.0
for epoch in range(0, args.epochs):
lr_scheduler(epoch, None)
train(
model,
writer,
data_loader.train_loader,
optimizer,
criterion,
epoch,
task_idx=args.task_eval,
data_loader=None,
)
curr_acc1 = test(
model,
writer,
criterion,
data_loader.val_loader,
epoch,
task_idx=args.task_eval,
)
if curr_acc1 > best_acc1:
best_acc1 = curr_acc1
utils.write_result_to_csv(
name=f"{args.name}~set={args.set}~task={args.task_eval}",
curr_acc1=curr_acc1,
best_acc1=best_acc1,
save_dir=run_base_dir,
)
if args.save:
torch.save(
{
"epoch": args.epochs,
"arch": args.model,
"state_dict": model.state_dict(),
"best_acc1": best_acc1,
"curr_acc1": curr_acc1,
"args": args,
},
run_base_dir / "final.pt",
)
return best_acc1
# Iterate through all tasks.
for idx in range(args.num_tasks or 0):
print(f"Task {args.set}: {idx}")
# Tell the model which task it is trying to solve -- in Scenario NNs this is ignored.
model.apply(lambda m: setattr(m, "task", idx))
# Update the data loader so that it returns the data for the correct task, also done by passing the task index.
assert hasattr(
data_loader, "update_task"
), "[ERROR] Need to implement update task method for use with multitask experiments"
data_loader.update_task(idx)
# Clear the grad on all the parameters.
for p in model.parameters():
p.grad = None
# Make a list of the parameters relavent to this task.
params = []
for n, p in model.named_parameters():
if not p.requires_grad:
continue
split = n.split(".")
if split[-2] in ["scores", "s", "t"
] and (int(split[-1]) == idx or
(args.trainer and "nns" in args.trainer)):
params.append(p)
# train all weights if train_weight_tasks is -1, or num_tasks_learned < train_weight_tasks
if (args.train_weight_tasks < 0
or num_tasks_learned < args.train_weight_tasks):
if split[-1] == "weight" or split[-1] == "bias":
params.append(p)
# train_weight_tasks specifies the number of tasks that the weights are trained for.
# e.g. in SupSup, train_weight_tasks = 0. in BatchE, train_weight_tasks = 1.
# If training weights, use train_weight_lr. Else use lr.
lr = (args.train_weight_lr if args.train_weight_tasks < 0
or num_tasks_learned < args.train_weight_tasks else args.lr)
# get optimizer, scheduler
if args.optimizer == "adam":
optimizer = optim.Adam(params, lr=lr, weight_decay=args.wd)
elif args.optimizer == "rmsprop":
optimizer = optim.RMSprop(params, lr=lr)
else:
optimizer = optim.SGD(params,
lr=lr,
momentum=args.momentum,
weight_decay=args.wd)
train_epochs = args.epochs
if args.no_scheduler:
scheduler = None
else:
scheduler = CosineAnnealingLR(optimizer, T_max=train_epochs)
# Train on the current task.
for epoch in range(1, train_epochs + 1):
train(
model,
writer,
data_loader.train_loader,
optimizer,
criterion,
epoch,
idx,
data_loader,
)
# Required for our PSP implementation, not used otherwise.
utils.cache_weights(model, num_tasks_learned + 1)
curr_acc1[idx] = test(model, writer, criterion,
data_loader.val_loader, epoch, idx)
if curr_acc1[idx] > best_acc1[idx]:
best_acc1[idx] = curr_acc1[idx]
if scheduler:
scheduler.step()
if (args.iter_lim > 0
and len(data_loader.train_loader) * epoch > args.iter_lim):
break
utils.write_result_to_csv(
name=f"{args.name}~set={args.set}~task={idx}",
curr_acc1=curr_acc1[idx],
best_acc1=best_acc1[idx],
save_dir=run_base_dir,
)
# Save memory by deleting the optimizer and scheduler.
del optimizer, scheduler, params
# Increment the number of tasks learned.
num_tasks_learned += 1
# If operating in NNS scenario, get the number of tasks learned count from the model.
if args.trainer and "nns" in args.trainer:
model.apply(lambda m: setattr(
m, "num_tasks_learned",
min(model.num_tasks_learned, args.num_tasks)))
else:
model.apply(
lambda m: setattr(m, "num_tasks_learned", num_tasks_learned))
# TODO series of asserts with required arguments (eg num_tasks)
# args.eval_ckpts contains values of num_tasks_learned for which testing on all tasks so far is performed.
# this is done by default when all tasks have been learned, but you can do something like
# args.eval_ckpts = [5,10] to also do this when 5 tasks are learned, and again when 10 tasks are learned.
if num_tasks_learned in args.eval_ckpts or num_tasks_learned == args.num_tasks:
avg_acc = 0.0
avg_correct = 0.0
# Settting task to -1 tells the model to infer task identity instead of being given the task.
model.apply(lambda m: setattr(m, "task", -1))
# an "adaptor" is used to infer task identity.
# args.adaptor == gt implies we are in scenario GG.
# This will cache all of the information the model needs for inferring task identity.
if args.adaptor != "gt":
utils.cache_masks(model)
# Iterate through all tasks.
adapt = getattr(adaptors, args.adaptor)
for i in range(num_tasks_learned):
print(f"Testing {i}: {args.set} ({i})")
# model.apply(lambda m: setattr(m, "task", i))
# Update the data loader so it is returning data for the right task.
data_loader.update_task(i)
# Clear the stored information -- memory leak happens if not.
for p in model.parameters():
p.grad = None
for b in model.buffers():
b.grad = None
torch.cuda.empty_cache()
adapt_acc = adapt(
model,
writer,
data_loader.val_loader,
num_tasks_learned,
i,
)
adapt_acc1[i] = adapt_acc
avg_acc += adapt_acc
torch.cuda.empty_cache()
utils.write_adapt_results(
name=args.name,
task=f"{args.set}_{i}",
num_tasks_learned=num_tasks_learned,
curr_acc1=curr_acc1[i],
adapt_acc1=adapt_acc,
task_number=i,
)
writer.add_scalar("adapt/avg_acc", avg_acc / num_tasks_learned,
num_tasks_learned)
utils.clear_masks(model)
torch.cuda.empty_cache()
if args.save:
torch.save(
{
"epoch": args.epochs,
"arch": args.model,
"state_dict": model.state_dict(),
"best_acc1": best_acc1,
"curr_acc1": curr_acc1,
"args": args,
},
run_base_dir / "final.pt",
)
return adapt_acc1
import sys
from utils import set_gpu
from utils import set_gpu
import sys
set_gpu(sys.argv)
from keras.models import Model
from keras.layers import Dense, Input
from hyperopt import hp, fmin, tpe, hp, STATUS_OK, Trials, space_eval
from keras.losses import mean_squared_error
import tensorflow as tf
from keras import backend as K
import os
import utils
import inspect
import numpy as np
script_name = os.path.basename(__file__).split('.')[0]
x_train, x_val, x_test = utils.generate_data_medium_2()
space = {
'units1': hp.quniform(
'units1', 0, 100, 4
), #implementation of hq.uniform is weird see github.com/hyperopt/hyperopt/issues/321
'units2': hp.quniform(
'units2', 0, 100, 4
), #implementation of hq.uniform is weird see github.com/hyperopt/hyperopt/issues/321
'batch_size': hp.choice('batch_size', [128])
}
def main(opt: argparse.Namespace) -> None:
utils.set_gpu(opt.gpu)
device = torch.device("cuda")
run_name = datetime.now().strftime("%Y-%m-%d_%H-%M-%S")
run_path = os.path.join(opt.output_root, run_name)
print(f"Start training {run_path}")
print(vars(opt))
# Save config
os.makedirs(run_path, exist_ok=True)
with open(os.path.join(run_path, "config.json"), "w") as f:
json.dump(vars(opt), f, indent=4)
# Data
train_dataset: Dataset = data.Scan2Cad(
opt.scan2cad_file,
opt.scannet_path,
opt.shapenet_path,
"train", ["train"],
rotation=opt.rotation_augmentation,
flip=opt.flip_augmentation,
jitter=opt.jitter_augmentation,
transformation=data.to_occupancy_grid,
scan_rep="sdf",
load_mask=True,
add_negatives=True)
train_dataloader: DataLoader = DataLoader(train_dataset,
shuffle=True,
batch_size=opt.batch_size,
num_workers=opt.num_workers,
pin_memory=True)
val_dataset: Dataset = data.Scan2Cad(opt.scan2cad_file,
opt.scannet_path,
opt.shapenet_path,
"validation", ["validation"],
rotation=opt.rotation_augmentation,
flip=opt.flip_augmentation,
jitter=opt.jitter_augmentation,
transformation=data.to_occupancy_grid,
scan_rep="sdf",
load_mask=True,
add_negatives=True)
val_dataloader: DataLoader = DataLoader(val_dataset,
shuffle=False,
batch_size=opt.batch_size,
num_workers=opt.num_workers,
pin_memory=True)
# Models
separation_model: nn.Module = SeparationNet(
ResNetEncoder(1, [16, 32, 64, 128, 512]), ResNetDecoder(1),
ResNetDecoder(1))
completion_model: nn.Module = HourGlass(ResNetEncoder(1), ResNetDecoder(1))
triplet_model: nn.Module = TripletNet(ResNetEncoder(1))
separation_model = separation_model.to(device)
completion_model = completion_model.to(device)
triplet_model = triplet_model.to(device)
model_parameters = list(separation_model.parameters()) + \
list(completion_model.parameters()) + \
list(triplet_model.parameters())
optimizer = optim.Adam(model_parameters,
lr=opt.learning_rate,
weight_decay=opt.weight_decay)
criterion_separation = nn.BCEWithLogitsLoss(reduction="none")
criterion_completion = nn.BCEWithLogitsLoss(reduction="none")
criterion_triplet = nn.TripletMarginLoss(reduction="none",
margin=opt.triplet_margin)
# Main loop
iteration_number = 0
for epoch in range(opt.num_epochs):
train_dataloader.dataset.regenerate_negatives()
for _, (scan, cad, negative) in enumerate(train_dataloader):
utils.stepwise_learning_rate_decay(optimizer, opt.learning_rate,
iteration_number,
[40000, 80000, 120000])
separation_model.train()
completion_model.train()
triplet_model.train()
losses = forward(scan, cad, negative, separation_model,
completion_model, triplet_model,
criterion_separation, criterion_completion,
criterion_triplet, device)
loss_foreground, loss_background, loss_completion, loss_triplet = losses
loss_total = loss_foreground + loss_background + loss_completion + loss_triplet
# Train step
optimizer.zero_grad()
loss_total.backward()
optimizer.step()
# Log to console
if iteration_number % opt.log_frequency == opt.log_frequency - 1:
print(
f"[E{epoch:04d}, I{iteration_number:05d}]\tTotal: {loss_total: 05.3f}",
f"\tFG: {loss_foreground: 05.3f}\tBG: {loss_background: 05.3f}",
f"\tCompletion: {loss_completion: 05.3f} \tTriplet: {loss_triplet: 05.3f}"
)
# Validate
if iteration_number % opt.validate_frequency == opt.validate_frequency - 1:
with torch.no_grad():
separation_model.eval()
completion_model.eval()
triplet_model.eval()
val_losses = defaultdict(list)
# Go through entire validation set
for _, (scan_v, cad_v,
negative_v) in tqdm(enumerate(val_dataloader),
total=len(val_dataloader),
leave=False):
losses = forward(scan_v, cad_v, negative_v,
separation_model, completion_model,
triplet_model, criterion_separation,
criterion_completion,
criterion_triplet, device)
loss_foreground, loss_background, loss_completion, loss_triplet = losses
loss_total = loss_foreground + loss_background + loss_completion + loss_triplet
val_losses["FG"].append(loss_foreground.item())
val_losses["BG"].append(loss_background.item())
val_losses["Completion"].append(loss_completion.item())
val_losses["Triplet"].append(loss_triplet.item())
val_losses["Total"].append(loss_total.item())
# Aggregate losses
val_losses_summary = {
k: torch.mean(torch.tensor(v))
for k, v in val_losses.items()
}
print(
f"-Val [E{epoch:04d}, I{iteration_number:05d}]\tTotal: {val_losses_summary['Total']:05.3f}",
f"\tFG: {val_losses_summary['FG']:05.3f} \tBG: {val_losses_summary['BG']:05.3f}",
f"\tCompletion: {val_losses_summary['Completion']:05.3f}",
f"\tTriplet: {val_losses_summary['Triplet']:05.3f}")
# Save checkpoint
if iteration_number % opt.checkpoint_frequency == opt.checkpoint_frequency - 1:
checkpoint_name = f"{run_name}_{iteration_number:05d}"
torch.save(
separation_model.state_dict(),
os.path.join(run_path, f"{checkpoint_name}_separation.pt"))
torch.save(
completion_model.state_dict(),
os.path.join(run_path, f"{checkpoint_name}_completion.pt"))
torch.save(
triplet_model.state_dict(),
os.path.join(run_path, f"{checkpoint_name}_triplet.pt"))
print(f"Saved model at {run_path}/{checkpoint_name}")
iteration_number += 1
)
dloader_test = data_loader(
dataset=dataset_test,
nKnovel=opt.test_way,
nKbase=0,
nExemplars=opt.val_shot, # num training examples per novel category
nTestNovel=opt.val_query *
opt.test_way, # num test examples for all the novel categories
nTestBase=0, # num test examples for all the base categories
batch_size=1,
num_workers=0,
epoch_size=1 * opt.val_episode, # num of batches per epoch
)
set_gpu(str(opt.gpu_ids)[1:-1])
seed = opt.seed
np.random.seed(seed)
random.seed(seed)
torch.manual_seed(seed)
torch.backends.cudnn.deterministic = True
torch.backends.cudnn.benchmark = False
check_dir('./experiments/')
opt.save_path = os.path.join('experiments', opt.save_path)
check_dir(opt.save_path)
log_file_path = os.path.join(opt.save_path, "train_log.txt")
log(log_file_path, str(vars(opt)))
(embedding_net, cls_head) = get_model(opt)
pred = torch.argmax(logits, dim=1)
acc = utils.compute_acc(pred, labels)
aves_va.update(acc, 1)
va_lst.append(acc)
print('test epoch {}: acc={:.2f} +- {:.2f} (%)'.format(
epoch,
aves_va.item() * 100,
utils.mean_confidence_interval(va_lst) * 100))
if __name__ == '__main__':
parser = argparse.ArgumentParser()
parser.add_argument('--config', help='configuration file')
parser.add_argument('--gpu',
help='gpu device number',
type=str,
default='0')
parser.add_argument('--efficient',
help='if True, enables gradient checkpointing',
action='store_true')
args = parser.parse_args()
config = yaml.load(open(args.config, 'r'), Loader=yaml.FullLoader)
if len(args.gpu.split(',')) > 1:
config['_parallel'] = True
config['_gpu'] = args.gpu
utils.set_gpu(args.gpu)
main(config)
import logging
import numpy as np
import tensorflow as tf
import tensorflow.keras.backend as K
from tensorflow.keras import optimizers
from models.losses import contrastive_loss
from models.metrics import accuracy_for_distance as accuracy
from models.siamese import create_siamese_network
from models.vggface import create_vggface_network
from models.facenet import create_facenet_network
from data import load, generate
from utils import set_gpu
set_gpu()
logging.basicConfig(
format="%(asctime)s:%(levelname)s - %(message)s", level=logging.INFO
)
# pylint: disable=invalid-name
# Model parameters
input_shape = 48 # also defines image dimensions
model_name = "siamese"
# TODO: hyperparameters
# Training parameters
epochs = 10
batch_size = 32
}
'''
Construct the TF graph for training
'''
if args.mode.lower() == 'train':
input_node, z, x, r, o, w, w_in, m, som_m, w_out, b_out, taus\
= construct_tf(net, settings, training_params)
print('Constructed the TF graph...')
# Loss function and optimizer
loss, training_op = loss_op(o, z, training_params)
'''
Start the TF session and train the network
'''
sess = tf.Session(config=tf.ConfigProto(
gpu_options=set_gpu(args.gpu, args.gpu_frac)))
init = tf.global_variables_initializer()
if args.mode.lower() == 'train':
with tf.Session() as sess:
print('Training started...')
init.run()
training_success = False
if args.task.lower() == 'go-nogo':
# Go-NoGo task
u, label = generate_input_stim_go_nogo(settings)
target = generate_target_continuous_go_nogo(settings, label)
x0, r0, w0, w_in0, taus_gaus0 = \
sess.run([x, r, w, w_in, taus], feed_dict={input_node: u, z: target})
from tqdm import tqdm
import tensorflow as tf
from datetime import datetime
from preprocessing import preprocessing_factory
slim = tf.contrib.slim
import argparse
parser = argparse.ArgumentParser(description='Process some integers.')
parser.add_argument('--lr', type=float, help='init learning rate')
parser.add_argument('--model', type=str, help='choice of model')
args = parser.parse_args()
# In[3]:
utils.set_gpu(1)
# tunable
init_learning_rate = args.lr
learning_rate_decay_factor = 0.5
num_epochs_per_decay = 5
weight_decay = 0.00004
train_iters = 100000
# fixed
batch_size = 512
num_classes = 340
image_size = 128
num_samples_per_epoch = num_classes * 10000
# In[4]:
def main():
# Seed.
if args.seed is not None:
random.seed(args.seed)
torch.manual_seed(args.seed)
torch.cuda.manual_seed(args.seed)
torch.cuda.manual_seed_all(args.seed)
np.random.seed(args.seed)
# If saving models or saving data, create a folder for storing these files.
# args.save => saving models, tensorboard logs, etc.
# args.save_data => just saving results.
if args.save or args.save_data:
i = 0
while True:
run_base_dir = pathlib.Path(
f"{args.log_dir}/{args.name}+try={str(i)}"
)
if not run_base_dir.exists():
os.makedirs(run_base_dir)
args.name = args.name + f"+try={i}"
break
i += 1
(run_base_dir / "settings.txt").write_text(str(args))
args.run_base_dir = run_base_dir
print(f"=> Saving data in {run_base_dir}")
# Get dataloader.
data_loader = getattr(data, args.set)()
curr_acc1 = 0.0
# Make a list of models, instead of a single model.
# This is not for training subspaces, but rather for the ensemble & SWA baselines.
models = [utils.get_model() for _ in range(args.num_models)]
# when training the SWA baseline, turn off the gradient to all but the first model.
if args.trainswa:
for i in range(1, args.num_models):
for p in models[i].parameters():
p.requires_grad = False
# Resume a model from a saved checkpoint.
num_models_filled = 0
num_models = -1
if args.resume:
for i, resume in enumerate(args.resume):
if type(resume) == tuple:
# can use a tuple to provide how many models to load.
resume, num_models = resume
if os.path.isfile(resume):
print(f"=> Loading checkpoint '{resume}'")
checkpoint = torch.load(resume, map_location="cpu")
pretrained_dicts = [
{k[7:]: v for k, v in c.items()}
for c in checkpoint["state_dicts"]
]
n = 0
for pretrained_dict in pretrained_dicts:
print(num_models_filled)
model_dict = models[num_models_filled].state_dict()
pretrained_dict = {
k: v
for k, v in pretrained_dict.items()
if k in model_dict
}
model_dict.update(pretrained_dict)
models[num_models_filled].load_state_dict(model_dict)
num_models_filled += 1
n += 1
if num_models > 0 and n >= num_models:
break
print(
f"=> Loaded checkpoint '{resume}' (epoch {checkpoint['epoch']})"
)
else:
print(f"=> No checkpoint found at '{resume}'")
# Put models on the GPU.
models = [utils.set_gpu(m) for m in models]
# Get training loss.
if args.label_smoothing is None:
criterion = nn.CrossEntropyLoss()
else:
print("adding label smoothing!")
criterion = LabelSmoothing(smoothing=args.label_smoothing)
criterion = criterion.to(args.device)
if args.save:
writer = SummaryWriter(log_dir=run_base_dir)
else:
writer = None
# Get the "trainer", which specified how the model is trained.
trainer = getattr(trainers, args.trainer or "default")
print(f"=> Using trainer {trainer}")
train, test = trainer.train, trainer.test
# Call "init" on the trainer.
trainer.init(models, writer, data_loader)
# Since we have have a list of models, we also use a list of optimizers & schedulers.
# When training subspaces, this list is of length 1.
metrics = {}
optimizers = [utils.get_optimizer(args, m) for m in models]
lr_schedulers = [
schedulers.get_policy(args.lr_policy or "cosine_lr")(o, args)
for o in optimizers
if o is not None
]
# more logic for resuming a checkpoint, specifically concerned with the "pretrained" argument.
# if args.pretrained, then we are not resuming. This means that we start from epoch 0.
# if not args.pretrained, we are resuming and have to set the epoch, etc. appropriately.
init_epoch = 0
num_models_filled = 0
if args.resume and not args.pretrained:
for i, resume in enumerate(args.resume):
if os.path.isfile(resume):
print(f"=> Loading checkpoint '{resume}'")
checkpoint = torch.load(resume, map_location="cpu")
init_epoch = checkpoint["epoch"]
curr_acc1 = checkpoint["curr_acc1"]
for opt in checkpoint["optimizers"]:
if args.late_start >= 0:
continue
optimizers[num_models_filled].load_state_dict(opt)
num_models_filled += 1
best_acc1 = 0.0
train_loss = 0.0
# Save the initialization.
if init_epoch == 0 and args.save:
print("saving checkpoint")
utils.save_cpt(init_epoch, 0, models, optimizers, best_acc1, curr_acc1)
# If the start epoch == the end epoch, just do evaluation "test".
if init_epoch == args.epochs:
curr_acc1, metrics = test(
models, writer, criterion, data_loader, init_epoch,
)
if args.save or args.save_data:
metrics["epoch"] = init_epoch
utils.write_result_to_csv(
name=args.name + f"+curr_epoch={init_epoch}",
curr_acc1=curr_acc1,
best_acc1=best_acc1,
train_loss=train_loss,
**metrics,
)
# Train from init_epoch -> args.epochs.
for epoch in range(init_epoch, args.epochs):
for lr_scheduler in lr_schedulers:
lr_scheduler(epoch, None)
train_loss = train(
models, writer, data_loader, optimizers, criterion, epoch,
)
if type(train_loss) is tuple:
train_loss, optimizers = train_loss
if (
args.test_freq is None
or (epoch % args.test_freq == 0)
or epoch == args.epochs - 1
):
curr_acc1, metrics = test(
models, writer, criterion, data_loader, epoch,
)
if curr_acc1 > best_acc1:
best_acc1 = curr_acc1
metrics["epoch"] = epoch + 1
# This is for the SWA baseline -- we need to lookup if this an epoch for which we are saving a checkpoint.
# If so we save a checkpoint and move it to the corresponding place in the models list.
if args.trainswa and (epoch + 1) in args.swa_save_epochs:
j = args.swa_save_epochs.index(epoch + 1)
for m1, m2 in zip(models[0].modules(), models[j].modules()):
if isinstance(m1, nn.Conv2d):
m2.weight = nn.Parameter(m1.weight.clone().detach())
m2.weight.requires_grad = False
elif isinstance(m1, nn.BatchNorm2d):
m2.weight = nn.Parameter(m1.weight.clone().detach())
m2.bias = nn.Parameter(m1.bias.clone().detach())
m2.weight.requires_grad = False
m2.bias.requires_grad = False
# Save checkpoint.
if (
args.save
and args.save_epochs is not None
and (epoch + 1) in args.save_epochs
):
it = (epoch + 1) * len(data_loader.train_loader)
utils.save_cpt(
epoch + 1, it, models, optimizers, best_acc1, curr_acc1
)
# Save results.
if args.save or args.save_data:
utils.write_result_to_csv(
name=args.name,
curr_acc1=curr_acc1,
best_acc1=best_acc1,
train_loss=train_loss,
**metrics,
)
# Save final checkpiont.
if args.save:
it = args.epochs * len(data_loader.train_loader)
utils.save_cpt(
args.epochs, it, models, optimizers, best_acc1, curr_acc1
)
return curr_acc1, metrics
def main():
if args.seed is not None:
random.seed(args.seed)
torch.manual_seed(args.seed)
torch.cuda.manual_seed(args.seed)
torch.cuda.manual_seed_all(args.seed)
i = 0
while True:
run_base_dir = pathlib.Path(f"{args.log_dir}/{args.name}~try={str(i)}")
if not run_base_dir.exists():
os.makedirs(run_base_dir)
args.name = args.name + "~try={}".format(str(i))
break
i += 1
(run_base_dir / "settings.txt").write_text(str(args))
# get the datasets.
count = {}
for i in range(len(args.set)):
count[args.set[i]] = 1
for j in range(i + 1, len(args.set)):
if args.set[j] == args.set[i]:
args.set[j] = args.set[j] + '-v{}'.format(count[args.set[i]] +
1)
count[args.set[i]] += 1
sets = {set: getattr(data, set.split('-')[0])() for set in args.set}
best_acc1 = {set: 0.0 for set in args.set}
curr_acc1 = {set: 0.0 for set in args.set}
model = utils.get_model()
model = utils.set_gpu(model)
optimizers = {}
schedulers = {}
for set in args.set:
params = []
for n, p in model.named_parameters():
if not p.requires_grad:
continue
if n.split(".")[-1] in args.set and n.split(".")[-1] != set:
continue
params.append(p)
optimizers[set] = optim.SGD(
params,
lr=args.lr,
momentum=args.momentum,
weight_decay=args.wd,
)
schedulers[set] = CosineAnnealingLR(optimizers[set], T_max=args.epochs)
criterion = nn.CrossEntropyLoss().to(args.device)
writer = SummaryWriter(log_dir=run_base_dir)
# Save the initial state
torch.save(
{
"epoch": 0,
"model": args.model,
"state_dict": model.state_dict(),
"best_acc1": best_acc1,
"curr_acc1": curr_acc1,
"args": args,
},
run_base_dir / "init.pt",
)
if args.hamming:
utils.write_hamming(writer, model, 0)
for epoch in range(1, args.epochs + 1):
for task, loader in sets.items():
model.apply(lambda m: setattr(m, "task", task))
train(model, writer, loader.train_loader, optimizers[task],
criterion, epoch, task)
curr_acc1[task] = test(model, writer, criterion, loader.val_loader,
epoch, task)
if curr_acc1[task] > best_acc1[task]:
best_acc1[task] = curr_acc1[task]
schedulers[task].step()
if epoch == args.epochs or (args.save_every > 0 and
(epoch % args.save_every) == 0):
torch.save(
{
"epoch": epoch,
"arch": args.model,
"state_dict": model.state_dict(),
"best_acc1": best_acc1,
"curr_acc1": curr_acc1,
"args": args,
},
run_base_dir / "epoch_{}.pt".format(epoch),
)
if args.hamming:
utils.write_hamming(writer, model, epoch)
for set in args.set:
utils.write_result_to_csv(
name=args.name + "~task={}".format(set),
curr_acc1=curr_acc1[task],
best_acc1=best_acc1[task],
)
if args.hamming:
utils.log_hamming(model)
# Description : Usage example of LoopModel # Author : Antoni Burguera (antoni dot burguera at uib dot com) # History : 4-April-2021 - Creation # Citation : Please, refer to the README file to know how to properly cite # us if you use this software. ############################################################################### ############################################################################### # SET GPU ############################################################################### # These must be the first lines to execute. Restart the kernel before. # If you don't have GPU/CUDA or this does not work, just set it to False or # (preferrably) remove these two lines. from utils import set_gpu set_gpu(True) ############################################################################### # IMPORTS ############################################################################### import numpy as np from automodel import AutoModel from loopreader import LoopReader from loopmodel import LoopModel from loopgenerator import LoopGenerator from utils import build_reader_basename,montage ############################################################################### # PARAMETERS ###############################################################################
def main():
print(args.seed_model)
if os.path.isfile(args.seed_model):
print(f"=> Loading seed model from '{args.seed_model}'")
checkpoint = torch.load(
args.seed_model,
map_location=f"cuda:{args.multigpu[0]}"
if torch.cuda.is_available() else torch.device('cpu'))
best_acc1 = checkpoint["best_acc1"]
pretrained_dict = checkpoint["state_dict"]
seed_args = checkpoint['args']
num_tasks_learned = checkpoint['args'].num_tasks
args.num_seed_tasks_learned = num_tasks_learned
else:
raise Exception(f"=> No seed model found at '{args.seed_model}'!")
assert not (
(args.num_tasks - args.num_seed_tasks_learned > 1) and
(args.conv_type == 'BasisMaskConv')
), 'BasisMaskConv only supports learning one extra task over the mask tasks. Please fix config or change conv_type!'
if seed_args.seed is not None:
args.seed = seed_args.seed
random.seed(int(seed_args.seed))
np.random.seed(int(seed_args.seed)) # Numpy module.
torch.manual_seed(int(seed_args.seed))
torch.cuda.manual_seed(int(seed_args.seed))
torch.cuda.manual_seed_all(int(
seed_args.seed)) # if you are using multi-GPU.
torch.backends.cudnn.benchmark = False
torch.backends.cudnn.deterministic = True
# Make the a directory corresponding to this run for saving results, checkpoints etc.
i = 0
while True:
# AT comments
# getting PermissionError: [Errno 13] Permission denied: '/path'
# run_base_dir = "./at_results"
run_base_dir = pathlib.Path(f"{args.log_dir}/{args.name}~try={str(i)}")
if not run_base_dir.exists():
os.makedirs(run_base_dir)
args.name = args.name + f"~try={i}"
break
i += 1
(run_base_dir / "settings.txt").write_text(str(args))
(run_base_dir / "seed_settings.txt").write_text(str(seed_args))
args.run_base_dir = run_base_dir
print(f"=> Saving data in {run_base_dir}")
# Get model with correct architecture and load in state dict.
model = utils.get_model()
model = utils.set_gpu(model)
print(
f"=> Loaded seed model parameters from '{args.seed_model}' (num tasks: {checkpoint['args'].num_tasks}) (epochs: {checkpoint['epoch']})"
)
if seed_args.er_sparsity:
for n, m in model.named_modules():
if hasattr(m, "sparsity"):
m.sparsity = min(
0.5,
seed_args.sparsity *
(m.weight.size(0) + m.weight.size(1)) /
(m.weight.size(0) * m.weight.size(1) * m.weight.size(2) *
m.weight.size(3)),
)
print(f"Set sparsity of {n} to {m.sparsity}")
model_dict = model.state_dict()
pretrained_dict = {
k: v
for k, v in pretrained_dict.items() if k in model_dict
}
model_dict.update(pretrained_dict)
model.load_state_dict(model_dict)
#model.eval()
# Get dataloader.
data_loader = getattr(data, args.set)()
# Track accuracy on all tasks.
if args.num_tasks:
best_acc1 = [0.0] * args.num_tasks
curr_acc1 = [0.0] * args.num_tasks
adapt_acc1 = [0.0] * args.num_tasks
criterion = nn.CrossEntropyLoss().to(args.device)
writer = SummaryWriter(log_dir=run_base_dir)
trainer = getattr(trainers, args.trainer or "default")
print(f"=> Using trainer {trainer}")
train, test = trainer.train, trainer.test
# Initialize model specific context (editorial note: avoids polluting main file)
if hasattr(trainer, "init"):
trainer.init(args)
if args.task_eval is not None:
assert 0 <= args.task_eval < args.num_tasks, "Not a valid task idx"
print(f"Task {args.set}: {args.task_eval}")
# Settting task to -1 tells the model to infer task identity instead of being given the task.
model.apply(lambda m: setattr(m, "task", -1))
# an "adaptor" is used to infer task identity.
# args.adaptor == gt implies we are in scenario GG.
# This will cache all of the information the model needs for inferring task identity.
if args.adaptor != "gt":
utils.cache_masks(model)
# Iterate through all tasks.
adapt = getattr(adaptors, args.adaptor)
# Update the data loader so it is returning data for the right task.
data_loader.update_task(args.task_eval)
# Clear the stored information -- memory leak happens if not.
for p in model.parameters():
p.grad = None
for b in model.buffers():
b.grad = None
torch.cuda.empty_cache()
adapt_acc = adapt(
model,
writer,
data_loader.val_loader,
num_tasks_learned,
args.task_eval,
)
torch.cuda.empty_cache()
utils.write_adapt_results(
name=args.name,
task=f"{args.set}_{args.task_eval}",
num_tasks_learned=num_tasks_learned,
curr_acc1=0.0,
adapt_acc1=adapt_acc,
task_number=args.task_eval,
)
utils.clear_masks(model)
torch.cuda.empty_cache()
return
# Iterate through all new tasks that were not used for training masks.
for idx in range(
args.num_seed_tasks_learned if not args.train_mask_alphas else 0,
args.num_tasks):
print(f"Task {args.set}: {idx}")
# Tell the model which task it is trying to solve -- in Scenario NNs this is ignored.
model.apply(lambda m: setattr(m, "task", idx))
# Update the data loader so that it returns the data for the correct task, also done by passing the task index.
assert hasattr(
data_loader, "update_task"
), "[ERROR] Need to implement update task method for use with multitask experiments"
data_loader.update_task(idx)
# Clear the grad on all the parameters.
for p in model.parameters():
p.grad = None
# Make a list of the parameters relavent to this task.
params = []
for n, p in model.named_parameters():
if args.conv_type == 'BasisMultitaskMaskConv':
if p.requires_grad and int(n.split('.')[-1]) == idx:
params.append(p)
elif p.requires_grad:
params.append(p)
# train_weight_tasks specifies the number of tasks that the weights are trained for.
# e.g. in SupSup, train_weight_tasks = 0. in BatchE, train_weight_tasks = 1.
# If training weights, use train_weight_lr. Else use lr.
lr = (args.train_weight_lr if args.train_weight_tasks < 0
or num_tasks_learned < args.train_weight_tasks else args.lr)
# get optimizer, scheduler
if args.optimizer == "adam":
optimizer = optim.Adam(params, lr=lr, weight_decay=args.wd)
elif args.optimizer == "rmsprop":
optimizer = optim.RMSprop(params, lr=lr)
else:
optimizer = optim.SGD(params,
lr=lr,
momentum=args.momentum,
weight_decay=args.wd)
train_epochs = args.epochs
if args.no_scheduler:
scheduler = None
else:
scheduler = CosineAnnealingLR(optimizer, T_max=train_epochs)
# Train on the current task.
for epoch in range(1, train_epochs + 1):
train(model, writer, data_loader.train_loader, optimizer,
criterion, epoch, idx, data_loader, True)
# Required for our PSP implementation, not used otherwise.
utils.cache_weights(model, num_tasks_learned + 1)
curr_acc1[idx] = test(model, writer, criterion,
data_loader.val_loader, epoch, idx)
if curr_acc1[idx] > best_acc1[idx]:
best_acc1[idx] = curr_acc1[idx]
if scheduler:
scheduler.step()
if (args.iter_lim > 0
and len(data_loader.train_loader) * epoch > args.iter_lim):
break
utils.write_result_to_csv(
name=f"{args.name}~set={args.set}~task={idx}",
curr_acc1=curr_acc1[idx],
best_acc1=best_acc1[idx],
save_dir=run_base_dir,
)
# Save memory by deleting the optimizer and scheduler.
del optimizer, scheduler, params
# Increment the number of tasks learned.
num_tasks_learned += 1
# If operating in NNS scenario, get the number of tasks learned count from the model.
if args.trainer and "nns" in args.trainer:
model.apply(lambda m: setattr(
m, "num_tasks_learned",
min(model.num_tasks_learned, args.num_tasks)))
else:
model.apply(
lambda m: setattr(m, "num_tasks_learned", num_tasks_learned))
# Run inference on all the tasks.
avg_acc = 0.0
avg_correct = 0.0
# Settting task to -1 tells the model to infer task identity instead of being given the task.
model.apply(lambda m: setattr(m, "task", -1))
# an "adaptor" is used to infer task identity.
# args.adaptor == gt implies we are in scenario GG.
# This will cache all of the information the model needs for inferring task identity.
if args.adaptor != "gt":
utils.cache_masks(model)
# Iterate through all tasks.
adapt = getattr(adaptors, args.adaptor)
for i in range(args.num_tasks):
print(f"Testing {i}: {args.set} ({i})")
# model.apply(lambda m: setattr(m, "task", i))
# Update the data loader so it is returning data for the right task.
data_loader.update_task(i)
# Clear the stored information -- memory leak happens if not.
for p in model.parameters():
p.grad = None
for b in model.buffers():
b.grad = None
torch.cuda.empty_cache()
adapt_acc = adapt(
model,
writer,
data_loader.val_loader,
num_tasks_learned,
i,
)
adapt_acc1[i] = adapt_acc
avg_acc += adapt_acc
torch.cuda.empty_cache()
utils.write_adapt_results(
name=args.name,
task=f"{args.set}_{i}",
num_tasks_learned=num_tasks_learned,
curr_acc1=curr_acc1[i],
adapt_acc1=adapt_acc,
task_number=i,
)
writer.add_scalar("adapt/avg_acc", avg_acc / num_tasks_learned,
num_tasks_learned)
utils.clear_masks(model)
torch.cuda.empty_cache()
if args.save:
torch.save(
{
"epoch": args.epochs,
"arch": args.model,
"state_dict": model.state_dict(),
"best_acc1": best_acc1,
"curr_acc1": curr_acc1,
"args": args,
},
run_base_dir / "basis_final.pt",
)
return adapt_acc1
)
dloader_val = data_loader(
dataset=dataset_val,
nKnovel=opt.test_way,
nKbase=0,
nExemplars=opt.val_shot, # num training examples per novel category
nTestNovel=opt.val_query *
opt.test_way, # num test examples for all the novel categories
nTestBase=0, # num test examples for all the base categories
batch_size=1,
num_workers=0,
epoch_size=1 * opt.val_episode, # num of batches per epoch
)
set_gpu(opt.gpu)
check_dir('./experiments/')
check_dir(opt.save_path)
log_file_path = os.path.join(opt.save_path, "train_log.txt")
log(log_file_path, str(vars(opt)))
(embedding_net, cls_head) = get_model(opt)
optimizer = torch.optim.SGD([{
'params': embedding_net.parameters()
}, {
'params': cls_head.parameters()
}],
lr=0.1,
momentum=0.9,
from config.init_param import data_param, occlu_param, fap_param
from config.parse_param import parse_param
from model_structure.align_v1 import FaceAlignment
from model_structure.occlu_detect import OcclusionDetection
from ml import load_config
from data_gen import load_imgs_labels
from utils import get_filenames
from utils import heat_map_compute
from utils import load_basic_info
from utils import logger
from utils import set_gpu
# load config
normalizer, mean_shape = load_config()
set_gpu(ratio=0.5)
# parse parameter
ap = argparse.ArgumentParser()
ap.add_argument('-e1',
'--epochs1',
type=int,
default=75,
help='epochs1 of face alignment')
ap.add_argument('-bs1',
'--batch_size1',
type=int,
default=32,
help='batch size of face alignment')
ap.add_argument('-lr1',
'--init_lr1',
from utils import pprint, set_gpu, count_acc, Averager, euclidean_metric
from extensions import *
if __name__ == '__main__':
parser = argparse.ArgumentParser()
parser.add_argument('--gpu', default='0')
parser.add_argument('--load', default='./save/proto-1/max-acc.pth')
parser.add_argument('--batch', type=int, default=2000)
parser.add_argument('--way', type=int, default=5)
parser.add_argument('--shot', type=int, default=1)
parser.add_argument('--query', type=int, default=30)
parser.add_argument('--folds', type=int, default=2)
args = parser.parse_args()
pprint(vars(args))
set_gpu(args.gpu)
dataset = MiniImageNet('test')
sampler = CategoriesSampler(dataset.label,
args.batch, args.way, args.folds * args.shot + args.query)
loader = DataLoader(dataset, batch_sampler=sampler,
num_workers=8, pin_memory=True)
model = Convnet().cuda()
model.load_state_dict(torch.load(args.load))
model.eval()
ave_acc = Averager()
s_label = torch.arange(args.train_way).repeat(args.shot).view(args.shot * args.train_way)
s_onehot = torch.zeros(s_label.size(0), 20)
s_onehot = s_onehot.scatter_(1, s_label.unsqueeze(dim=1), 1).cuda()
def train(args):
check_paths(args)
dtype = set_gpu(args.cuda)
np.random.seed(args.seed)
torch.manual_seed(args.seed)
# the dataset 'BSDS300' can be downloaded from the below link:
# https://www2.eecs.berkeley.edu/Research/Projects/CS/vision/bsds/
train_loader = CVDB_Y('BSDS300',
batch_size=3,
shuffle=True,
crop_size=args.img_shape)
sr = SR(scale_factor=args.scale_factor).cuda()
sr.eval()
H, HT = sr.Forward, sr.Backproj
Pr = lambda x: HT(H(x))
Pn = lambda x: x - Pr(x)
ddn = DDN(in_channels=1,
out_channels=1,
operator=sr,
F='dncnn',
G='unet',
connection_type='cascade').type(dtype)
optimizer = Adam([{
'params': ddn.G.parameters(),
'lr': args.lr,
'weight_decay': args.reg_weight['G']
}, {
'params': ddn.F.parameters(),
'lr': args.lr
}])
scheduler = torch.optim.lr_scheduler.MultiStepLR(
optimizer, milestones=[args.epochs // 2], gamma=0.1)
mse_loss = torch.nn.MSELoss().cuda()
loss_epoch = 0
print('start training...')
for e in range(args.epochs):
ddn.train()
loss_seq = []
for data in train_loader:
x = data[0].type(dtype)
if len(x.shape) == 5:
x = x.view(-1, x.shape[-3], x.shape[-2], x.shape[-1])
# generate y
y = H(x)
# init noise
n = torch.from_numpy(
(np.random.normal(0, args.noise_sigam, y.shape))).type(
dtype) # Add Gaussian noise without clipping
# calculate the psudo-inverse backprojected reconstruction HTy
HTy = HT(y + n).type(dtype)
# DDN reconstruction
x_hat, F, f, g = ddn(HTy, Pr, Pn)
# calculate the loss
loss = mse_loss(x_hat,
x) + args.reg_weight['F'] * mse_loss(H(F), n)
# update parameters (gradient descent)
optimizer.zero_grad()
loss.backward()
optimizer.step()
loss_seq.append(loss.item())
scheduler.step()
loss_epoch = np.mean(loss_seq)
print("==>Epoch {}\tloss_total: {:.6f}".format(e + 1, loss_epoch))
if args.checkpoint_model_dir is not None and (
e + 1) % args.checkpoint_interval == 0:
ddn.eval()
ckpt = {
'epoch': e + 1,
'total_loss': loss_epoch,
'net_state_dict': ddn.state_dict(),
'optimizer_state_dict': optimizer.state_dict(),
}
torch.save(
ckpt,
os.path.join(args.checkpoint_model_dir,
'ckp_epoch_{}.pt'.format(e)))
ddn.train()
# save model
ddn.eval()
ckpt = {
'epoch': args.epochs,
'total_loss': loss_epoch,
'net_state_dict': ddn.state_dict(),
'optimizer_state_dict': optimizer.state_dict(),
}
save_model_path = os.path.join(args.save_model_dir, args.filename + '.pt')
torch.save(ckpt, save_model_path)
print("\nTraining is Done.\tTrained model saved at {}".format(
save_model_path))
