def main():
print(torch.__version__)
cudnn.benchmark = False
device = torch.device('cuda:{}'.format(params['gpu'][0]))
cur_time = time.strftime('%Y-%m-%d-%H-%M-%S', time.localtime(time.time()))
logdir = os.path.join(params['log'], cur_time)
if not os.path.exists(logdir):
os.makedirs(logdir)
writer = SummaryWriter(log_dir=logdir)
#convert_csv(params['dataset'])
print('Loading dataset')
train_transform = create_train_transform(True,
True,
False,
True,
size=params['size'],
bright=False)
train_dataset = VideoDataset(params['dataset'],
size=params['size'],
mode='train',
play_time=params['clip_len'],
frame_sample_rate=params['frame_sample_rate'],
transform=train_transform,
sub_classnum=params['num_classes'],
label_num=params['label_num'],
stride_num=params['stride'])
train_dataloader = DataLoader(train_dataset,
batch_size=params['batch_size'],
shuffle=True,
num_workers=params['num_workers'])
val_transform = create_val_transform(True, size=params['size'])
val_dataset = VideoDataset(params['dataset'],
size=params['size'],
mode='validation',
play_time=params['clip_len'],
frame_sample_rate=params['frame_sample_rate'],
transform=val_transform,
sub_classnum=params['num_classes'],
label_num=params['label_num'],
stride_num=params['stride'])
val_dataloader = DataLoader(val_dataset,
batch_size=params['batch_size'],
shuffle=False,
num_workers=params['num_workers'])
print('train_dataset : batch_size -> {}, step_size -> {}, frames -> {}'.
format(params['batch_size'], len(train_dataloader),
params['clip_len']))
print(
'validation_dataset : batch_size -> {}, step_size -> {}, frames -> {}'.
format(params['batch_size'], len(val_dataloader), params['clip_len']))
print(
'========================================================================================================='
)
print('Load model : mode -> {}, label_size -> {}, sub_class_num -> {}'.
format(params['mode'], params['label_num'], params['num_classes']))
### regression ###
#model = generate_model('XL', n_classes = params['label_num'])
#### class - one label ###
model = None
if params['mode'] == 'single':
if params['model'] == 'slowfast':
model = slowfastnet.resnet50(class_num=params['num_classes'],
label_num=params['label_num'],
mode=params['mode'])
elif params['model'] == 'x3d':
model = x3d.generate_model('S', n_classes=params['num_classes'])
### multi ###
elif params['mode'] == 'multi':
if params['model'] == 'slowfast':
model = multi_slowfastnet.resnet50(class_num=params['num_classes'],
label_num=params['label_num'],
mode=params['mode'])
elif params['model'] == 'x3d':
model = multi_x3d.generate_model('S',
n_classes=params['num_classes'],
label_num=params['label_num'])
elif params['model'] == 'eff':
model = efficientnet.EfficientNet3D.from_name(
'efficientnet-b{}'.format(params['eff']),
override_params={'num_classes': params['num_classes']},
mode=params['mode'],
label_num=params['label_num'])
if params['pretrained'] != '':
pretrained_dict = torch.load(params['pretrained'], map_location='cpu')
try:
model_dict = model.module.state_dict()
except AttributeError:
model_dict = model.state_dict()
pretrained_dict = {
k: v
for k, v in pretrained_dict.items() if k in model_dict
}
print('load pretrained')
model_dict.update(pretrained_dict)
model.load_state_dict(model_dict)
'''
########
state = torch.load('./saved_model/{}'.format(params['pretrained']))
model.load_state_dict(state['model'])
'''
model = model.to(device)
### regression ###
'''
criterion = Custom_MSELoss(num_classes = params['num_classes']).cuda()
'''
### classification ###
if params['mode'] == 'single':
'''
criterion = nn.CrossEntropyLoss(weight = train_dataset.get_class_weight().to(device))
'''
criterion = Custom_CrossEntropyLoss(
weight=train_dataset.get_class_weight().to(device))
elif params['mode'] == 'multi':
### multi-class ##
criterion = Custom_MultiCrossEntropyLoss(
weight=train_dataset.get_class_weight().to(device),
label_num=params['label_num'])
#optimizer = optim.SGD(model.parameters(), lr = params['learning_rate'], momentum = params['momentum'], weight_decay = params['weight_decay'])
#scheduler = optim.lr_scheduler.StepLR(optimizer, step_size = params['step'], gamma=0.1)
#optimizer = optim.SGD(model.parameters(),lr = params['learning_rate'],weight_decay=params['weight_decay'])
optimizer = optim.SGD([{
'params': list(model.parameters())[:-8]
}, {
'params': model.fcs.parameters(),
'lr': params['learning_rate']
}],
lr=params['learning_rate'] * 0.1,
weight_decay=params['weight_decay'])
scheduler = optim.lr_scheduler.ReduceLROnPlateau(optimizer,
mode='max',
patience=4,
factor=0.1,
verbose=True)
#scheduler = optim.lr_scheduler.CosineAnnealingLR(optimizer, T_max = 30, eta_min = 0)
model_save_dir = os.path.join(params['save_path'], 'second')
if not os.path.exists(model_save_dir):
os.makedirs(model_save_dir)
print("train gogosing")
pre_metric = 0
for epoch in range(params['epoch_num']):
train(model,
train_dataloader,
epoch,
criterion,
optimizer,
writer,
device,
mode=params['mode'],
label_num=params['label_num'],
display=params['display'])
if (epoch + 1) % 5 == 0:
print('======================================================')
print('validation gogosing')
metric = val(model,
val_dataloader,
epoch,
criterion,
optimizer,
writer,
device,
mode=params['mode'],
label_num=params['label_num'])
#validation_loss, metric = val(model, val_dataloader, epoch, criterion, optimizer, writer, device, mode=params['mode'], label_num=params['label_num'])
#print('validation loss -> {loss:.5f}, \t f1_score -> {f1_score:.5f}'.format(loss = validation_loss, f1_score = metric))
#checkpoint = os.path.join(model_save_dir, str(epoch) + '.pth.tar')
#torch.save(model.state_dict(),checkpoint)
if metric > pre_metric:
pre_metric = metric
if params['model'] == 'eff':
save_model(model, optimizer, schediler, epoch,
params['model'] + params['eff'])
else:
save_model(model, optimizer, scheduler, epoch,
params['model'])
model = model.to(device)
print('Total F1_score : {metrics:.5f}'.format(metrics=metric))
print('======================================================')
scheduler.step(metric)
#scheduler.step()
writer.close()
def main():
print(torch.__version__)
cudnn.benchmark = False
device = torch.device('cuda:{}'.format(params['gpu'][0]))
cur_time = time.strftime('%Y-%m-%d-%H-%M-%S', time.localtime(time.time()))
logdir = os.path.join(params['log'], cur_time)
if not os.path.exists(logdir):
os.makedirs(logdir)
writer = SummaryWriter(log_dir=logdir)
#convert_csv(params['dataset'])
print('Loading dataset')
train_transform = create_train_transform(False,
True,
True,
True,
size=params['size'],
bright=False)
train_text_transform = EDA
train_dataset = VideoDataset(params['dataset'],
size=params['size'],
mode='train',
play_time=params['clip_len'],
frame_sample_rate=params['frame_sample_rate'],
transform=train_transform,
sub_classnum=params['num_classes'],
label_num=params['label_num'],
stride_num=params['stride'],
use_plot=params['use_plot'],
use_audio=params['use_audio'],
use_video=params['use_video'],
text_transform=train_text_transform)
train_dataloader = DataLoader(train_dataset,
batch_size=params['batch_size'],
shuffle=True,
num_workers=params['num_workers'],
collate_fn=Collate_batch)
val_transform = create_val_transform(True, size=params['size'])
val_text_transform = None
val_dataset = VideoDataset(params['dataset'],
size=params['size'],
mode='validation',
play_time=params['clip_len'],
frame_sample_rate=params['frame_sample_rate'],
transform=val_transform,
sub_classnum=params['num_classes'],
label_num=params['label_num'],
stride_num=params['stride'],
use_plot=params['use_plot'],
use_video=params['use_video'],
use_audio=params['use_audio'],
text_transform=None)
val_dataloader = DataLoader(val_dataset,
batch_size=params['batch_size'],
shuffle=False,
num_workers=params['num_workers'],
collate_fn=Collate_batch)
print('train_dataset : batch_size -> {}, step_size -> {}, frames -> {}'.
format(params['batch_size'], len(train_dataloader),
params['clip_len']))
print(
'validation_dataset : batch_size -> {}, step_size -> {}, frames -> {}'.
format(params['batch_size'], len(val_dataloader), params['clip_len']))
print(
'========================================================================================================='
)
print('Load model : mode -> {}, label_size -> {}, sub_class_num -> {}'.
format(params['mode'], params['label_num'], params['num_classes']))
### regression ###
#model = Only_Text(class_num = params['num_classes'], label_num = params['label_num'])
#text_model = LSTM_with_Attention(class_num = params['num_classes'], label_num = params['label_num'])
#video_model = get_slowfast(device)
model = Custom_Model(classes_num=params['num_classes'],
label_num=params['label_num'],
device=device)
if params['use_plot']:
vocab, embedding_weight, vocab_size = text_func()
tokenizer = get_tokenizer2
train_dataset.generate_text_pipeline(vocab, tokenizer, vocab_size)
val_dataset.generate_text_pipeline(vocab, tokenizer, vocab_size)
model.text_model.init_text_weights(vocab_size=vocab_size,
weights=embedding_weight)
'''
plots = train_dataset.plots
plots = set(plots)
counter = Counter()
tokenizer = get_tokenizer('basic_english')
for plot in plots:
counter.update(tokenizer(plot))
vocab = Vocab(counter, min_freq = 1)
train_dataset.generate_text_pipeline(vocab, tokenizer)
val_dataset.generate_text_pipeline(vocab, tokenizer)
model.init_text_weights(len(vocab))
'''
if params['pretrained'] != '':
pretrained_dict = torch.load(params['pretrained'], map_location='cpu')
try:
model_dict = model.module.state_dict()
except AttributeError:
model_dict = model.state_dict()
pretrained_dict = {
k: v
for k, v in pretrained_dict.items() if k in model_dict
}
print('load pretrained')
model_dict.update(pretrained_dict)
model.load_state_dict(model_dict)
'''
########
state = torch.load('./saved_model/{}'.format(params['pretrained']))
model.load_state_dict(state['model'])
'''
model = model.to(device)
### regression ###
'''
criterion = Custom_MSELoss(num_classes = params['num_classes']).cuda()
'''
### classification ###
if params['mode'] == 'single':
'''
criterion = nn.CrossEntropyLoss(weight = train_dataset.get_class_weight().to(device))
'''
criterion = Custom_CrossEntropyLoss(
weight=train_dataset.get_class_weight().to(device))
elif params['mode'] == 'multi':
### multi-class ##
#criterion = Custom_MultiCrossEntropyLoss(weight = train_dataset.get_class_weight().to(device), label_num=params['label_num'])
criterion1 = Custom_MultiCrossEntropyLoss(
weight=train_dataset.get_class_weight2().to(device),
label_num=params['label_num'])
#criterion1 = Custom_MultiBinaryCrossEntropyLoss(weight = train_dataset.get_class_weight2().to(device), label_num=params['label_num'])
criterion2 = Custom_BCELoss(
weight=train_dataset.get_genre_weight2().to(device))
criterion3 = Custom_CrossEntropyLoss(
weight=train_dataset.get_age_weight2().to(device))
optimizer = optim.SGD(model.parameters(),
lr=params['learning_rate'],
momentum=params['momentum'],
weight_decay=params['weight_decay'])
#scheduler = optim.lr_scheduler.StepLR(optimizer, step_size = params['step'], gamma=0.1)
#optimizer = optim.SGD(model.parameters(),lr = params['learning_rate'],weight_decay=params['weight_decay'])
#optimizer = optim.AdamW(model.parameters(), lr = params['learning_rate'], weight_decay = params['weight_decay'])
#optimizer = optim.SGDW(model.parameters(), lr = params['learning_rate'], weight_decay = params['weight_decay'])
#optimizer = SGDP(model.parameters(), lr = params['learning_rate'], weight_decay = params['weight_decay'], momentum=params['momentum'], nesterov=True)
#optimizer = AdamP(model.parameters(), lr = params['learning_rate'], weight_decay = params['weight_decay'], betas = (0.9, 0.999))
#scheduler = optim.lr_scheduler.ReduceLROnPlateau(optimizer, mode='max', patience = 2, factor = 0.5, verbose=False)
#scheduler = optim.lr_scheduler.CosineAnnealingLR(optimizer, T_max = 30, eta_min = 0)
scheduler = CosineAnnealingWarmUpRestarts(optimizer,
T_0=50,
eta_max=params['learning_rate'] *
5,
T_up=10,
gamma=0.5)
model_save_dir = os.path.join(params['save_path'], 'second')
if not os.path.exists(model_save_dir):
os.makedirs(model_save_dir)
print("train gogosing")
pre_metric = 0
for epoch in range(params['epoch_num']):
train(model,
train_dataloader,
epoch,
criterion1,
criterion2,
criterion3,
optimizer,
writer,
device,
mode=params['mode'],
label_num=params['label_num'])
if (epoch + 1) % 5 == 0:
print('======================================================')
print('validation gogosing')
metric = val(model,
val_dataloader,
epoch,
criterion1,
criterion2,
criterion3,
optimizer,
writer,
device,
mode=params['mode'],
label_num=params['label_num'])
#validation_loss, metric = val(model, val_dataloader, epoch, criterion, optimizer, writer, device, mode=params['mode'], label_num=params['label_num'])
#print('validation loss -> {loss:.5f}, \t f1_score -> {f1_score:.5f}'.format(loss = validation_loss, f1_score = metric))
#checkpoint = os.path.join(model_save_dir, str(epoch) + '.pth.tar')
#torch.save(model.state_dict(),checkpoint)
if metric > pre_metric:
pre_metric = metric
if params['model'] == 'eff':
save_model(model, optimizer, scheduler, epoch,
params['model'] + str(params['eff']))
else:
save_model(model, optimizer, scheduler, epoch,
params['model'])
model = model.to(device)
print('Total F1_score : {metrics:.5f}'.format(metrics=metric))
print('======================================================')
#scheduler.step(metric)
scheduler.step()
writer.close()