def run(settings):
settings.description = 'Default train settings for DiMP with ResNet50 as backbone.'
settings.batch_size = 10
settings.num_workers = 8
settings.multi_gpu = False
settings.print_interval = 1
settings.normalize_mean = [0.485, 0.456, 0.406]
settings.normalize_std = [0.229, 0.224, 0.225]
settings.search_area_factor = 5.0
settings.output_sigma_factor = 1 / 4
settings.target_filter_sz = 4
settings.feature_sz = 18
settings.output_sz = settings.feature_sz * 16
settings.center_jitter_factor = {'train': 3, 'test': 4.5}
settings.scale_jitter_factor = {'train': 0.25, 'test': 0.5}
settings.hinge_threshold = 0.05
# settings.print_stats = ['Loss/total', 'Loss/iou', 'ClfTrain/clf_ce', 'ClfTrain/test_loss']
'''
Depth Inputs:
1) raw_depth X
2) norm_depth
3) centered_norm_depth
4) centered_raw_depth X
5) colormap
6) centered_colormap
'''
# depth_inputs = 'norm_depth'
# depth_inputs = 'colormap'
depth_inputs = 'hha'
# Train datasets
# depthtrack_train = DepthTrack(root=settings.env.depthtrack_dir, split='train', dtype=depth_inputs)
coco_train = MSCOCOSeq_depth(settings.env.cocodepth_dir,
dtype=depth_inputs)
# got10k_depth_train = MSCOCOSeq_depth(settings.env.got10kdepth_dir, dtype=depth_inputs)
lasot_depth_train = Lasot_depth(root=settings.env.lasotdepth_dir,
rgb_root=settings.env.lasot_dir,
dtype=depth_inputs)
# Validation datasets
depthtrack_val = DepthTrack(root=settings.env.depthtrack_dir,
split='val',
dtype=depth_inputs)
# Data transform
transform_joint = tfm.Transform(tfm.ToGrayscale(probability=0.05))
transform_train = tfm.Transform(
tfm.ToTensorAndJitter(0.2),
tfm.Normalize(mean=settings.normalize_mean,
std=settings.normalize_std))
transform_val = tfm.Transform(
tfm.ToTensor(),
tfm.Normalize(mean=settings.normalize_mean,
std=settings.normalize_std))
# The tracking pairs processing module
output_sigma = settings.output_sigma_factor / settings.search_area_factor
proposal_params = {
'min_iou': 0.1,
'boxes_per_frame': 8,
'sigma_factor': [0.01, 0.05, 0.1, 0.2, 0.3]
}
label_params = {
'feature_sz': settings.feature_sz,
'sigma_factor': output_sigma,
'kernel_sz': settings.target_filter_sz
}
data_processing_train = processing.DiMPProcessing(
search_area_factor=settings.search_area_factor,
output_sz=settings.output_sz,
center_jitter_factor=settings.center_jitter_factor,
scale_jitter_factor=settings.scale_jitter_factor,
mode='sequence',
proposal_params=proposal_params,
label_function_params=label_params,
transform=transform_train,
joint_transform=transform_joint)
data_processing_val = processing.DiMPProcessing(
search_area_factor=settings.search_area_factor,
output_sz=settings.output_sz,
center_jitter_factor=settings.center_jitter_factor,
scale_jitter_factor=settings.scale_jitter_factor,
mode='sequence',
proposal_params=proposal_params,
label_function_params=label_params,
transform=transform_val,
joint_transform=transform_joint)
# Train sampler and loader
dataset_train = sampler.DiMPSampler([coco_train, lasot_depth_train],
[1, 1],
samples_per_epoch=26000,
max_gap=30,
num_test_frames=3,
num_train_frames=3,
processing=data_processing_train)
loader_train = LTRLoader('train',
dataset_train,
training=True,
batch_size=settings.batch_size,
num_workers=settings.num_workers,
shuffle=True,
drop_last=True,
stack_dim=1)
# Validation samplers and loaders
dataset_val = sampler.DiMPSampler([depthtrack_val], [1],
samples_per_epoch=5000,
max_gap=30,
num_test_frames=3,
num_train_frames=3,
processing=data_processing_val)
loader_val = LTRLoader('val',
dataset_val,
training=False,
batch_size=settings.batch_size,
num_workers=settings.num_workers,
shuffle=False,
drop_last=True,
epoch_interval=5,
stack_dim=1)
# Create network and actor
net = dimpnet.dimpnet50(
filter_size=settings.target_filter_sz,
backbone_pretrained=True,
optim_iter=5, # !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
# net = dimpnet.dimpnet50(filter_size=settings.target_filter_sz, backbone_pretrained=False, optim_iter=5, # !!!!!!!!!!!!!!!!!!!!!!!!!!!!
clf_feat_norm=True,
clf_feat_blocks=0,
final_conv=True,
out_feature_dim=512,
optim_init_step=0.9,
optim_init_reg=0.1,
init_gauss_sigma=output_sigma * settings.feature_sz,
num_dist_bins=100,
bin_displacement=0.1,
mask_init_factor=3.0,
target_mask_act='sigmoid',
score_act='relu')
# Wrap the network for multi GPU training
if settings.multi_gpu:
net = MultiGPU(net, dim=1)
objective = {
'iou': nn.MSELoss(),
'test_clf': ltr_losses.LBHinge(threshold=settings.hinge_threshold)
}
loss_weight = {
'iou': 1,
'test_clf': 100,
'test_init_clf': 100,
'test_iter_clf': 400
}
actor = actors.DiMPActor(net=net,
objective=objective,
loss_weight=loss_weight)
# Optimizer
optimizer = optim.Adam(
[{
'params': actor.net.classifier.filter_initializer.parameters(),
'lr': 5e-5
}, {
'params': actor.net.classifier.filter_optimizer.parameters(),
'lr': 5e-4
}, {
'params': actor.net.classifier.feature_extractor.parameters(),
'lr': 5e-5
}, {
'params': actor.net.bb_regressor.parameters()
}, {
'params': actor.net.feature_extractor.parameters(),
'lr': 2e-5
}],
lr=2e-4)
lr_scheduler = optim.lr_scheduler.StepLR(optimizer,
step_size=15,
gamma=0.2)
trainer = LTRTrainer(actor, [loader_train, loader_val], optimizer,
settings, lr_scheduler)
trainer.train(50, load_latest=True, fail_safe=True)
def run(settings):
settings.description = 'Transformer-assisted tracker. Our baseline approach is SuperDiMP'
settings.batch_size = 40
settings.num_workers = 8
settings.multi_gpu = True
settings.print_interval = 1
settings.normalize_mean = [0.485, 0.456, 0.406]
settings.normalize_std = [0.229, 0.224, 0.225]
settings.search_area_factor = 6.0
settings.output_sigma_factor = 1 / 4
settings.target_filter_sz = 4
settings.feature_sz = 22
settings.output_sz = settings.feature_sz * 16
settings.center_jitter_factor = {'train': 3, 'test': 5.5}
settings.scale_jitter_factor = {'train': 0.25, 'test': 0.5}
settings.hinge_threshold = 0.05
# settings.print_stats = ['Loss/total', 'Loss/iou', 'ClfTrain/init_loss', 'ClfTrain/test_loss']
# Train datasets
lasot_train = Lasot(settings.env.lasot_dir, split='train')
got10k_train = Got10k(settings.env.got10k_dir, split='vottrain')
trackingnet_train = TrackingNet(settings.env.trackingnet_dir,
set_ids=list(range(4)))
coco_train = MSCOCOSeq(settings.env.coco_dir)
# Validation datasets
got10k_val = Got10k(settings.env.got10k_dir, split='votval')
# Data transform
transform_joint = tfm.Transform(tfm.ToGrayscale(probability=0.05),
tfm.RandomHorizontalFlip(probability=0.5))
transform_train = tfm.Transform(
tfm.ToTensorAndJitter(0.2), tfm.RandomHorizontalFlip(probability=0.5),
tfm.Normalize(mean=settings.normalize_mean,
std=settings.normalize_std))
transform_val = tfm.Transform(
tfm.ToTensor(),
tfm.Normalize(mean=settings.normalize_mean,
std=settings.normalize_std))
# The tracking pairs processing module
output_sigma = settings.output_sigma_factor / settings.search_area_factor
proposal_params = {
'boxes_per_frame': 128,
'gt_sigma': (0.05, 0.05),
'proposal_sigma': [(0.05, 0.05), (0.5, 0.5)]
}
label_params = {
'feature_sz': settings.feature_sz,
'sigma_factor': output_sigma,
'kernel_sz': settings.target_filter_sz
}
label_density_params = {
'feature_sz': settings.feature_sz,
'sigma_factor': output_sigma,
'kernel_sz': settings.target_filter_sz
}
data_processing_train = processing.KLDiMPProcessing(
search_area_factor=settings.search_area_factor,
output_sz=settings.output_sz,
center_jitter_factor=settings.center_jitter_factor,
scale_jitter_factor=settings.scale_jitter_factor,
crop_type='inside_major',
max_scale_change=1.5,
mode='sequence',
proposal_params=proposal_params,
label_function_params=label_params,
label_density_params=label_density_params,
transform=transform_train,
joint_transform=transform_joint)
data_processing_val = processing.KLDiMPProcessing(
search_area_factor=settings.search_area_factor,
output_sz=settings.output_sz,
center_jitter_factor=settings.center_jitter_factor,
scale_jitter_factor=settings.scale_jitter_factor,
crop_type='inside_major',
max_scale_change=1.5,
mode='sequence',
proposal_params=proposal_params,
label_function_params=label_params,
label_density_params=label_density_params,
transform=transform_val,
joint_transform=transform_joint)
# Train sampler and loader
dataset_train = sampler.DiMPSampler(
[lasot_train, got10k_train, trackingnet_train, coco_train],
[1, 1, 1, 1],
samples_per_epoch=50000,
max_gap=500,
num_test_frames=3,
num_train_frames=3,
processing=data_processing_train)
loader_train = LTRLoader('train',
dataset_train,
training=True,
batch_size=settings.batch_size,
num_workers=settings.num_workers,
shuffle=True,
drop_last=True,
stack_dim=1)
# Validation samplers and loaders
dataset_val = sampler.DiMPSampler([got10k_val], [1],
samples_per_epoch=10000,
max_gap=500,
num_test_frames=3,
num_train_frames=3,
processing=data_processing_val)
loader_val = LTRLoader('val',
dataset_val,
training=False,
batch_size=settings.batch_size,
num_workers=settings.num_workers,
shuffle=False,
drop_last=True,
epoch_interval=5,
stack_dim=1)
# Create network and actor
net = dimpnet.dimpnet50(
filter_size=settings.target_filter_sz,
backbone_pretrained=True,
optim_iter=5,
clf_feat_norm=True,
clf_feat_blocks=0,
final_conv=True,
out_feature_dim=512,
optim_init_step=0.9,
optim_init_reg=0.1,
init_gauss_sigma=output_sigma * settings.feature_sz,
num_dist_bins=100,
bin_displacement=0.1,
mask_init_factor=3.0,
target_mask_act='sigmoid',
score_act='relu',
frozen_backbone_layers=['conv1', 'bn1', 'layer1', 'layer2'])
# Wrap the network for multi GPU training
if settings.multi_gpu:
net = MultiGPU(net, dim=1)
objective = {
'bb_ce': klreg_losses.KLRegression(),
'test_clf': ltr_losses.LBHinge(threshold=settings.hinge_threshold)
}
loss_weight = {
'bb_ce': 0.01,
'test_clf': 100,
'test_init_clf': 100,
'test_iter_clf': 400
}
actor = tracking_actors.KLDiMPActor(net=net,
objective=objective,
loss_weight=loss_weight)
# Optimizer
optimizer = optim.Adam(
[{
'params': actor.net.classifier.filter_initializer.parameters(),
'lr': 5e-5
}, {
'params': actor.net.classifier.filter_optimizer.parameters(),
'lr': 5e-4
}, {
'params': actor.net.classifier.feature_extractor.parameters(),
'lr': 5e-5
}, {
'params': actor.net.classifier.transformer.parameters(),
'lr': 1e-3
}, {
'params': actor.net.bb_regressor.parameters(),
'lr': 1e-3
}, {
'params': actor.net.feature_extractor.layer3.parameters(),
'lr': 2e-5
}],
lr=2e-4)
lr_scheduler = optim.lr_scheduler.StepLR(optimizer,
step_size=15,
gamma=0.2)
trainer = LTRTrainer(actor, [loader_train, loader_val], optimizer,
settings, lr_scheduler)
trainer.train(50, load_latest=True, fail_safe=True)