def main():
# global args, best_prec1
args = parser.parse_args()
print('\n====> Input Arguments')
print(args)
# Tensorboard writer.
global writer
writer = SummaryWriter(log_dir=args.result_path)
# Create dataloader.
print '\n====> Creating dataloader...'
train_loader = get_train_loader(args)
test_loader = get_test_loader(args)
# Load First Glance network.
print '====> Loading the network...'
model = First_Glance(num_classes=args.num_classes, pretrained=True)
"""Load checkpoint and weight of network.
"""
global cp_recorder
if args.checkpoint_dir:
cp_recorder = Checkpoint(args.checkpoint_dir, args.checkpoint_name)
cp_recorder.load_checkpoint(model)
model.cuda()
criterion = nn.CrossEntropyLoss().cuda()
cudnn.benchmark = True
optimizer = torch.optim.SGD(model.parameters(), lr=args.lr, weight_decay=args.wd, momentum=args.momentum)
# Train first-glance model.
print '====> Training...'
for epoch in range(cp_recorder.contextual['b_epoch'], args.epoch):
_, _, prec_tri, rec_tri, ap_tri = train_eval(train_loader, test_loader, model, criterion, optimizer, args, epoch)
top1_avg_val, loss_avg_val, prec_val, rec_val, ap_val = validate_eval(test_loader, model, criterion, args, epoch)
# Print result.
writer.add_scalars('mAP (per epoch)', {'train': np.nan_to_num(ap_tri).mean()}, epoch)
writer.add_scalars('mAP (per epoch)', {'valid': np.nan_to_num(ap_val).mean()}, epoch)
print('\n====> Scores')
print('[Epoch {0}]:\n'
' Train:\n'
' Prec@1 {1}\n'
' Recall {2}\n'
' AP {3}\n'
' mAP {4:.3f}\n'
' Valid:\n'
' Prec@1 {5}\n'
' Recall {6}\n'
' AP {7}\n'
' mAP {8:.3f}\n'.format(epoch,
prec_tri, rec_tri, ap_tri, np.nan_to_num(ap_tri).mean(),
prec_val, rec_val, ap_val, np.nan_to_num(ap_val).mean()))
# Record.
writer.add_scalars('Loss (per batch)', {'valid': loss_avg_val}, (epoch+1)*len(train_loader))
writer.add_scalars('Prec@1 (per batch)', {'valid': top1_avg_val}, (epoch+1)*len(train_loader))
writer.add_scalars('mAP (per batch)', {'valid': np.nan_to_num(ap_val).mean()}, (epoch+1)*len(train_loader))
# Save checkpoint.
cp_recorder.record_contextual({'b_epoch': epoch+1, 'b_batch': -1, 'prec': top1_avg_val, 'loss': loss_avg_val,
'class_prec': prec_val, 'class_recall': rec_val, 'class_ap': ap_val, 'mAP': np.nan_to_num(ap_val).mean()})
cp_recorder.save_checkpoint(model)
def main():
# global args, best_prec1
args = parser.parse_args()
print('\n====> Input Arguments')
print(args)
# Tensorboard writer.
global writer
writer = SummaryWriter(log_dir=args.result_path)
# Create dataloader.
print '\n====> Creating dataloader...'
train_loader = get_train_loader(args)
test_loader = get_test_loader(args)
# Load Resnet_a network.
print '====> Loading the network...'
model = Inception_a(num_class=args.num_class,
num_frame=args.num_frame,
pretrained=True)
# Load single frame pretrain.
pretrain_model = torch.load('models/pretrain_inc_sf.pth')
keys = model.state_dict().keys()
new_state_dict = {}
for i, k in enumerate(pretrain_model.keys()):
new_state_dict[keys[i]] = pretrain_model[k]
model.load_state_dict(new_state_dict)
"""Load checkpoint and weight of network.
"""
global cp_recorder
if args.checkpoint_dir:
cp_recorder = Checkpoint(args.checkpoint_dir, args.checkpoint_name)
cp_recorder.load_checkpoint(model)
model = nn.DataParallel(model)
model.cuda()
criterion = nn.CrossEntropyLoss().cuda()
cudnn.benchmark = True
# optimizer = torch.optim.SGD(model.module.classifier.parameters(), lr=args.lr, weight_decay=args.wd, momentum=args.momentum)
optimizer = torch.optim.SGD(model.parameters(),
lr=args.lr,
weight_decay=args.wd,
momentum=args.momentum)
# Train Resnet_a model.
print '====> Training...'
for epoch in range(cp_recorder.contextual['b_epoch'], args.epoch):
_, _, prec_tri, rec_tri, ap_tri = train_eval(train_loader, test_loader,
model, criterion,
optimizer, args, epoch)
top1_avg_val, loss_avg_val, prec_val, rec_val, ap_val = validate_eval(
test_loader, model, criterion, args, epoch)
# Print result.
writer.add_scalars('mAP (per epoch)',
{'train': np.nan_to_num(ap_tri).mean()}, epoch)
writer.add_scalars('mAP (per epoch)',
{'valid': np.nan_to_num(ap_val).mean()}, epoch)
print_score = False
if print_score:
print('\n====> Scores')
print(
'[Epoch {0}]:\n'
' Train:\n'
' Prec@1 {1}\n'
' Recall {2}\n'
' AP {3}\n'
' mAP {4:.3f}\n'
' Valid:\n'
' Prec@1 {5}\n'
' Recall {6}\n'
' AP {7}\n'
' mAP {8:.3f}\n'.format(epoch, prec_tri, rec_tri, ap_tri,
np.nan_to_num(ap_tri).mean(),
prec_val, rec_val, ap_val,
np.nan_to_num(ap_val).mean()))
# Record.
writer.add_scalars('Loss (per batch)', {'valid': loss_avg_val},
(epoch + 1) * len(train_loader))
writer.add_scalars('Prec@1 (per batch)', {'valid': top1_avg_val},
(epoch + 1) * len(train_loader))
writer.add_scalars('mAP (per batch)',
{'valid': np.nan_to_num(ap_val).mean()},
(epoch + 1) * len(train_loader))
# Save checkpoint.
cp_recorder.record_contextual({
'b_epoch': epoch + 1,
'b_batch': -1,
'prec': top1_avg_val,
'loss': loss_avg_val,
'class_prec': prec_val,
'class_recall': rec_val,
'class_ap': ap_val,
'mAP': np.nan_to_num(ap_val).mean()
})
cp_recorder.save_checkpoint(model)
def main():
# global args, best_prec1
args = parser.parse_args()
print('\n====> Input Arguments')
print(args)
# Tensorboard writer.
global writer
writer = SummaryWriter(log_dir=args.result_path)
# Create dataloader.
print '\n====> Creating dataloader...'
train_loader = get_train_loader(args)
test_loader = get_test_loader(args)
# Load GRM network.
print '====> Loading the GRM network...'
model = GRM(num_classes=args.num_classes,
adjacency_matrix=args.adjacency_matrix)
# Load First-Glance network.
print '====> Loading the finetune First Glance model...'
if args.fg_finetune and os.path.isfile(args.fg_finetune):
model.fg.load_state_dict(torch.load(args.fg_finetune))
else:
print("No find '{}'".format(args.fg_finetune))
# Load checkpoint and weight of network.
global cp_recorder
if args.checkpoint_dir:
cp_recorder = Checkpoint(args.checkpoint_dir, args.checkpoint_name)
cp_recorder.load_checkpoint(model)
model.fg = torch.nn.DataParallel(model.fg)
model.full_im_net = torch.nn.DataParallel(model.full_im_net)
model.cuda()
criterion = nn.CrossEntropyLoss().cuda()
cudnn.benchmark = True
optimizer_cls = torch.optim.SGD(model.classifier.parameters(),
lr=args.lr,
weight_decay=args.wd,
momentum=args.momentum)
optimizer_ggnn = torch.optim.Adam(model.ggnn.parameters(),
lr=0.00001,
weight_decay=args.wd)
# Train GRM model.
print '====> Training...'
for epoch in range(cp_recorder.contextual['b_epoch'], args.epoch):
_, _, prec_tri, rec_tri, ap_tri = train_eval(train_loader, test_loader,
model, criterion,
optimizer_cls,
optimizer_ggnn, args,
epoch)
top1_avg_val, loss_avg_val, prec_val, rec_val, ap_val = validate_eval(
test_loader, model, criterion, args, epoch)
# Print result.
writer.add_scalars('mAP (per epoch)',
{'train': np.nan_to_num(ap_tri).mean()}, epoch)
writer.add_scalars('mAP (per epoch)',
{'valid': np.nan_to_num(ap_val).mean()}, epoch)
print('\n====> Scores')
print(
'[Epoch {0}]:\n'
' Train:\n'
' Prec@1 {1}\n'
' Recall {2}\n'
' AP {3}\n'
' mAP {4:.3f}\n'
' Valid:\n'
' Prec@1 {5}\n'
' Recall {6}\n'
' AP {7}\n'
' mAP {8:.3f}\n'.format(epoch, prec_tri, rec_tri, ap_tri,
np.nan_to_num(ap_tri).mean(), prec_val,
rec_val, ap_val,
np.nan_to_num(ap_val).mean()))
# Record.
writer.add_scalars('Loss (per batch)', {'valid': loss_avg_val},
(epoch + 1) * len(train_loader))
writer.add_scalars('Prec@1 (per batch)', {'valid': top1_avg_val},
(epoch + 1) * len(train_loader))
writer.add_scalars('mAP (per batch)',
{'valid': np.nan_to_num(ap_val).mean()},
(epoch + 1) * len(train_loader))
# Save checkpoint.
cp_recorder.record_contextual({
'b_epoch': epoch + 1,
'b_batch': -1,
'prec': top1_avg_val,
'loss': loss_avg_val,
'class_prec': prec_val,
'class_recall': rec_val,
'class_ap': ap_val,
'mAP': np.nan_to_num(ap_val).mean()
})
cp_recorder.save_checkpoint(model)