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main_msaf.py
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main_msaf.py
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import os
import datetime
import argparse
import torch
import numpy as np
import torch.utils.data as data
from torch.utils.tensorboard import SummaryWriter
from cmu_mosei import CMUMOSEIDataset
from networks import *
from main_utils import train, validation
from torch.optim.lr_scheduler import ReduceLROnPlateau
import warnings
warnings.filterwarnings("ignore")
import os
os.environ["CUDA_VISIBLE_DEVICES"] = "0"
# fixed seed
seed = 20
np.random.seed(seed)
torch.manual_seed(seed) # cpu
torch.cuda.manual_seed_all(seed) # gpu
torch.backends.cudnn.enabled = False
torch.backends.cudnn.benchmark = False
torch.backends.cudnn.deterministic = True
modalities = ('visual', 'audio', 'bert')
def get_n_params(model):
pp=0
for p in list(model.parameters()):
nn=1
for s in list(p.size()):
nn = nn*s
pp += nn
return pp
# define model input
def get_X(device, sample):
ret = []
for m in modalities:
X = sample[m].to(device)
ret.append(X.float())
n = ret[0].size(0)
return ret, n
if __name__ == '__main__':
parser = argparse.ArgumentParser()
parser.add_argument('--datadir', type=str, help='dataset directory', default='datasets')
parser.add_argument('--lr', type=float, help='learning rate', default=1e-3)
parser.add_argument('--batch_size', type=int, help='batch size', default=16)
parser.add_argument('--num_workers', type=int, help='num workers', default=4)
parser.add_argument('--epochs', type=int, help='train epochs', default=10)
parser.add_argument('--checkpoint', type=str, help='model checkpoint for evaluation', default='')
parser.add_argument('--checkpointdir', type=str, help='directory to save weights', default='checkpoints')
parser.add_argument('--no_verbose', action='store_true', default=False, help='turn off verbose for training')
parser.add_argument('--log_interval', type=int, help='interval for displaying training info if verbose', default=10)
parser.add_argument('--no_save', action='store_true', default=False, help='set to not save model weights')
parser.add_argument('--train', action='store_true', default=False, help='training')
args = parser.parse_args()
print("The configuration of this run is:")
print(args, end='\n\n')
# Detect devices
use_cuda = torch.cuda.is_available() # check if GPU exists
device = torch.device('cuda' if use_cuda else 'cpu') # use CPU or GPU
# Data loading parameters
params = {'batch_size': args.batch_size, 'shuffle': True, 'num_workers': args.num_workers, 'pin_memory': False} \
if use_cuda else {'batch_size': args.batch_size, 'shuffle': True, 'num_workers': 0}
# dataset folders
training_folder = os.path.join(args.datadir, 'train')
val_folder = os.path.join(args.datadir, 'val')
test_folder = os.path.join(args.datadir, 'test')
# Generators
dataset_params = {
'label': 'sentiment'
}
for m in modalities:
dataset_params.update({m: None})
# Load dataset
training_set = CMUMOSEIDataset(training_folder, dataset_params)
training_loader = data.DataLoader(training_set, **params)
val_set = CMUMOSEIDataset(val_folder, dataset_params)
val_loader = data.DataLoader(val_set, **params)
test_set = CMUMOSEIDataset(test_folder, dataset_params)
test_loader = data.DataLoader(test_set, **params)
# define model
model_param = {}
if 'visual' in modalities:
model = FACETVisualLSTMNet()
print('Initialized model for video modality')
model_param.update(
{'visual': {
'model': model,
'id': modalities.index('visual')
}})
if 'audio' in modalities:
model = COVAREPAudioLSTMNet()
print('Initialized model for audio modality')
model_param.update(
{'audio': {
'model': model,
'id': modalities.index('audio')
}})
if 'bert' in modalities:
model = BERTTextLSTMNet()
print('Initialized model for bert')
model_param.update(
{'bert': {
'model': model,
'id': modalities.index('bert')
}})
multimodal_model = MSAFLSTMNet(model_param)
print(get_n_params(multimodal_model))
multimodal_model.to(device)
# loss functions
train_loss_func = torch.nn.MSELoss()
val_loss_func = torch.nn.L1Loss()
# train mode or eval mode
if args.train:
print('Training...')
# Adam parameters
optimizer = torch.optim.Adam(multimodal_model.parameters(), lr=args.lr)
# record training process
current_time = datetime.datetime.now().strftime('%Y%m%d-%H%M%S')
train_log_dir = os.path.join(args.checkpointdir, 'logs/{}'.format(current_time))
writer = SummaryWriter(log_dir=train_log_dir)
test = []
for epoch in range(args.epochs):
# train, test model
train_loss, epoch_train_scores = train(get_X, args.log_interval, multimodal_model, device, training_loader,
optimizer, train_loss_func, epoch, not args.no_verbose)
epoch_test_loss, epoch_test_score = validation(get_X, multimodal_model, device, val_loss_func, val_loader)
epoch_test_loss, epoch_test_score = validation(get_X, multimodal_model, device, val_loss_func, test_loader)
if not args.no_save:
states = {
'epoch': epoch + 1,
'model_state_dict': multimodal_model.state_dict(),
'optimizer_state_dict': optimizer.state_dict(),
'test_score': epoch_test_score,
'test_loss': epoch_test_loss
}
torch.save(states, os.path.join(args.checkpointdir, 'msaf_mosei_epoch{}.pth'.format(epoch + 1)))
print('Epoch {} model saved!'.format(epoch + 1))
# save results
writer.add_scalar('Loss/train', train_loss, epoch)
writer.add_scalar('Loss/test', epoch_test_loss, epoch)
writer.add_scalar('Acc7/train', epoch_train_scores[0], epoch)
writer.add_scalar('Acc7/test', epoch_test_score[0], epoch)
writer.add_scalar('Acc2/train', epoch_train_scores[1], epoch)
writer.add_scalar('Acc2/test', epoch_test_score[1], epoch)
writer.add_scalar('F1/train', epoch_train_scores[2], epoch)
writer.add_scalar('F1/test', epoch_test_score[2], epoch)
test.append(epoch_test_score)
writer.flush()
test = np.array(test)
labels = ['Acc 7', 'Acc 2', 'F1', 'Corr']
for scores, label in zip(test.T, labels):
print('Best {} score {:.2f}% at epoch {}'.format(label, np.max(scores), np.argmax(scores)+1))
else:
if args.checkpoint:
print('Evaluating...')
model_path = args.checkpoint
checkpoint = torch.load(model_path) if use_cuda else torch.load(model_path,
map_location=torch.device('cpu'))
multimodal_model.load_state_dict(checkpoint['model_state_dict'])
print('Loaded model from', model_path)
test_set = CMUMOSEIDataset(test_folder, dataset_params)
test_loader = data.DataLoader(test_set, **params)
epoch_test_loss, epoch_test_score = validation(get_X, multimodal_model, device, val_loss_func, test_loader,
print_cm=True)
else:
print('--checkpoint not specified')