def start_evaluation(args):
"""Launches the evaluation process"""
if args.dataset == 'vgg':
dataset = VGGFace2(args.val, args.v_list, args.v_land, landmarks_training=True)
elif args.dataset == 'celeb':
dataset = CelebA(args.val, args.v_land, test=True)
else:
dataset = NDG(args.val, args.v_land)
if dataset.have_landmarks:
log.info('Use alignment for the train data')
dataset.transform = t.Compose([Rescale((48, 48)), ToTensor(switch_rb=True)])
else:
exit()
val_loader = DataLoader(dataset, batch_size=args.val_batch_size, num_workers=4, shuffle=False, pin_memory=True)
model = LandmarksNet()
assert args.snapshot is not None
log.info('Testing snapshot ' + args.snapshot + ' ...')
model = load_model_state(model, args.snapshot, args.device, eval_state=True)
model.eval()
cudnn.benchmark = True
model = torch.nn.DataParallel(model, device_ids=[args.device], )
log.info('Face landmarks model:')
log.info(model)
avg_err, per_point_avg_err, failures_rate = evaluate(val_loader, model)
log.info('Avg RMSE error: {}'.format(avg_err))
log.info('Per landmark RMSE error: {}'.format(per_point_avg_err))
log.info('Failure rate: {}'.format(failures_rate))
def start_evaluation(args):
"""Launches the evaluation process"""
if args.dataset == 'vgg':
dataset = VGGFace2(args.val,
args.v_list,
args.v_land,
landmarks_training=True)
elif args.dataset == 'celeb':
dataset = CelebA(args.val, args.v_land, test=True)
else:
dataset = NDG(args.val, args.v_land)
if dataset.have_landmarks:
log.info('Use alignment for the train data')
dataset.transform = t.Compose(
[Rescale((48, 48)), ToTensor(switch_rb=True)])
else:
exit()
val_loader = DataLoader(dataset,
batch_size=args.val_batch_size,
num_workers=4,
shuffle=False,
pin_memory=True)
model = models_landmarks['landnet']()
assert args.snapshot is not None
if args.compr_config:
config = Config.from_json(args.compr_config)
compression_algo = create_compression_algorithm(model, config)
model = compression_algo.model
log.info('Testing snapshot ' + args.snapshot + ' ...')
model = load_model_state(model,
args.snapshot,
args.device,
eval_state=True)
model.eval()
cudnn.benchmark = True
model = torch.nn.DataParallel(
model,
device_ids=[args.device],
)
log.info('Face landmarks model:')
log.info(model)
avg_err, per_point_avg_err, failures_rate = evaluate(val_loader, model)
log.info('Avg RMSE error: {}'.format(avg_err))
log.info('Per landmark RMSE error: {}'.format(per_point_avg_err))
log.info('Failure rate: {}'.format(failures_rate))
if args.compr_config and "sparsity_level" in compression_algo.statistics():
log.info("Sparsity level: {0:.2f}".format(
compression_algo.statistics()
['sparsity_rate_for_sparsified_modules']))
def train(args):
"""Launches training of landmark regression model"""
input_size = models_landmarks['landnet']().get_input_res()
if args.dataset == 'vgg':
drops_schedule = [1, 6, 9, 13]
dataset = VGGFace2(args.train, args.t_list, args.t_land, landmarks_training=True)
elif args.dataset == 'celeba':
drops_schedule = [10, 20]
dataset = CelebA(args.train, args.t_land)
else:
drops_schedule = [90, 140, 200]
dataset = NDG(args.train, args.t_land)
if dataset.have_landmarks:
log.info('Use alignment for the train data')
dataset.transform = transforms.Compose([landmarks_augmentation.Rescale((56, 56)),
landmarks_augmentation.Blur(k=3, p=.2),
landmarks_augmentation.HorizontalFlip(p=.5),
landmarks_augmentation.RandomRotate(50),
landmarks_augmentation.RandomScale(.8, .9, p=.4),
landmarks_augmentation.RandomCrop(48),
landmarks_augmentation.ToTensor(switch_rb=True)])
else:
log.info('Error: training dataset has no landmarks data')
exit()
train_loader = DataLoader(dataset, batch_size=args.train_batch_size, num_workers=4, shuffle=True)
writer = SummaryWriter('./logs_landm/{:%Y_%m_%d_%H_%M}_'.format(datetime.datetime.now()) + args.snap_prefix)
model = models_landmarks['landnet']()
set_dropout_fn = model.set_dropout_ratio
compression_algo = None
if args.snap_to_resume is not None:
config = Config.from_json(args.compr_config)
compression_algo = create_compression_algorithm(model, config)
model = compression_algo.model
log.info('Resuming snapshot ' + args.snap_to_resume + ' ...')
model = load_model_state(model, args.snap_to_resume, args.device, eval_state=False)
model = torch.nn.DataParallel(model, device_ids=[args.device])
def train(args):
"""Launches training of landmark regression model"""
if args.dataset == 'vgg':
drops_schedule = [1, 6, 9, 13]
dataset = VGGFace2(args.train,
args.t_list,
args.t_land,
landmarks_training=True)
elif args.dataset == 'celeba':
drops_schedule = [10, 20]
dataset = CelebA(args.train, args.t_land)
else:
drops_schedule = [90, 140, 200]
dataset = NDG(args.train, args.t_land)
if dataset.have_landmarks:
log.info('Use alignment for the train data')
dataset.transform = transforms.Compose([
landmarks_augmentation.Rescale((56, 56)),
landmarks_augmentation.Blur(k=3, p=.2),
landmarks_augmentation.HorizontalFlip(p=.5),
landmarks_augmentation.RandomRotate(50),
landmarks_augmentation.RandomScale(.8, .9, p=.4),
landmarks_augmentation.RandomCrop(48),
landmarks_augmentation.ToTensor(switch_rb=True)
])
else:
log.info('Error: training dataset has no landmarks data')
exit()
train_loader = DataLoader(dataset,
batch_size=args.train_batch_size,
num_workers=4,
shuffle=True)
writer = SummaryWriter(
'./logs_landm/{:%Y_%m_%d_%H_%M}_'.format(datetime.datetime.now()) +
args.snap_prefix)
model = LandmarksNet()
set_dropout_fn = model.set_dropout_ratio
if args.snap_to_resume is not None:
log.info('Resuming snapshot ' + args.snap_to_resume + ' ...')
model = load_model_state(model,
args.snap_to_resume,
args.device,
eval_state=False)
model = torch.nn.DataParallel(model, device_ids=[args.device])
else:
model = torch.nn.DataParallel(model, device_ids=[args.device])
model.cuda()
model.train()
cudnn.enabled = True
cudnn.benchmark = True
log.info('Face landmarks model:')
log.info(model)
criterion = AlignmentLoss('wing')
optimizer = optim.SGD(model.parameters(),
lr=args.lr,
momentum=args.momentum,
weight_decay=args.weight_decay)
scheduler = optim.lr_scheduler.MultiStepLR(optimizer, drops_schedule)
log.info('Epoch length: %d' % len(train_loader))
for epoch_num in range(args.epoch_total_num):
log.info('Epoch: %d' % epoch_num)
if epoch_num > 5:
set_dropout_fn(0.)
for i, data in enumerate(train_loader, 0):
iteration = epoch_num * len(train_loader) + i
if iteration % args.val_step == 0 and iteration > 0:
snapshot_name = osp.join(
args.snap_folder,
args.snap_prefix + '_{0}.pt'.format(iteration))
log.info('Saving Snapshot: ' + snapshot_name)
save_model_cpu(model, optimizer, snapshot_name, epoch_num)
model.eval()
log.info('Evaluating Snapshot: ' + snapshot_name)
avg_err, per_point_avg_err, failures_rate = evaluate(
train_loader, model)
weights = per_point_avg_err / np.sum(per_point_avg_err)
criterion.set_weights(weights)
log.info(str(weights))
log.info('Avg train error: {}'.format(avg_err))
log.info('Train failure rate: {}'.format(failures_rate))
writer.add_scalar('Quality/Avg_error', avg_err, iteration)
writer.add_scalar('Quality/Failure_rate', failures_rate,
iteration)
writer.add_scalar('Epoch', epoch_num, iteration)
model.train()
data, gt_landmarks = data['img'].cuda(), data['landmarks'].cuda()
predicted_landmarks = model(data)
optimizer.zero_grad()
loss = criterion(predicted_landmarks, gt_landmarks)
loss.backward()
optimizer.step()
if i % 10 == 0:
log.info('Iteration %d, Loss: %.4f' % (iteration, loss))
log.info('Learning rate: %f' % scheduler.get_lr()[0])
writer.add_scalar('Loss/train_loss', loss.item(), iteration)
writer.add_scalar('Learning_rate',
scheduler.get_lr()[0], iteration)
scheduler.step()