def main():
args = parse_args()
print(vars(args))
os.environ["CUDA_VISIBLE_DEVICES"] = args.gpu
if args.model_name == 'c3d':
model = c3d.C3D(with_classifier=True, num_classes=101)
elif args.model_name == 'r3d':
model = r3d.R3DNet((1, 1, 1, 1), with_classifier=True, num_classes=101)
elif args.model_name == 'r21d':
model = r21d.R2Plus1DNet((1, 1, 1, 1),
with_classifier=True,
num_classes=101)
print(args.model_name)
start_epoch = 1
pretrain_path = pretrain_path_list[args.pre_path]
print(pretrain_path)
pretrain_weight = load_pretrained_weights(pretrain_path)
print(pretrain_weight.keys())
model.load_state_dict(pretrain_weight, strict=False)
# train
train_dataset = ClassifyDataSet(params['dataset'], mode="train")
if params['data'] == 'UCF-101':
val_size = 800
elif params['data'] == 'hmdb':
val_size = 400
train_dataset, val_dataset = random_split(
train_dataset, (len(train_dataset) - val_size, val_size))
print("num_works:{:d}".format(params['num_workers']))
print("batch_size:{:d}".format(params['batch_size']))
train_loader = DataLoader(train_dataset,
batch_size=params['batch_size'],
shuffle=True,
num_workers=params['num_workers'])
val_loader = DataLoader(val_dataset,
batch_size=params['batch_size'],
shuffle=True,
num_workers=params['num_workers'])
if multi_gpu == 1:
model = nn.DataParallel(model)
model = model.cuda()
criterion = nn.CrossEntropyLoss().cuda()
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=100, gamma=0.1)
save_path = params['save_path_base'] + "ft_classify_{}_".format(
args.exp_name) + params['data']
model_save_dir = os.path.join(save_path, time.strftime('%m-%d-%H-%M'))
writer = SummaryWriter(model_save_dir)
# for data in train_loader:
# clip , label = data;
# writer.add_video('train/clips',clip,0,fps=8)
# writer.add_text('train/idx',str(label.tolist()),0)
# clip = clip.cuda()
# writer.add_graph(model,(clip,clip));
# break
# for name,param in model.named_parameters():
# writer.add_histogram('params/{}'.format(name),param,0);
if not os.path.exists(model_save_dir):
os.makedirs(model_save_dir)
prev_best_val_loss = float('inf')
prev_best_loss_model_path = None
prev_best_acc_model_path = None
best_acc = 0
best_epoch = 0
for epoch in tqdm(range(start_epoch, start_epoch + params['epoch_num'])):
scheduler.step()
train(train_loader, model, criterion, optimizer, epoch, writer)
val_loss, top1_avg = validation(val_loader, model, criterion,
optimizer, epoch)
if top1_avg >= best_acc:
best_acc = top1_avg
print("i am best :", best_acc)
best_epoch = epoch
model_path = os.path.join(
model_save_dir, 'best_acc_model_{}.pth.tar'.format(epoch))
torch.save(model.state_dict(), model_path)
# if prev_best_acc_model_path:
# os.remove(prev_best_acc_model_path)
# prev_best_acc_model_path = model_path
if val_loss < prev_best_val_loss:
model_path = os.path.join(
model_save_dir, 'best_loss_model_{}.pth.tar'.format(epoch))
torch.save(model.state_dict(), model_path)
prev_best_val_loss = val_loss
# if prev_best_loss_model_path:
# os.remove(prev_best_loss_model_path)
# prev_best_loss_model_path = model_path
# scheduler.step(val_loss);
if epoch % 20 == 0:
checkpoints = os.path.join(model_save_dir, str(epoch) + ".pth.tar")
torch.save(model.state_dict(), checkpoints)
print("save_to:", checkpoints)
print("best is :", best_acc, best_epoch)
def train(args):
torch.backends.cudnn.benchmark = True
exp_name = '{}_sr_{}_{}_lr_{}_len_{}_sz_{}'.format(args.dataset,
args.max_sr, args.model,
args.lr, args.clip_len,
args.crop_sz)
print(exp_name)
pretrain_cks_path = os.path.join('pretrain_cks', exp_name)
log_path = os.path.join('visual_logs', exp_name)
if not os.path.exists(pretrain_cks_path):
os.makedirs(pretrain_cks_path)
if not os.path.exists(log_path):
os.makedirs(log_path)
## 1. dataset
#data_list = '/home/user/code/ucf101_list_ab1/train_ucf101_num_frames.list'
#rgb_prefix = '/home/user/dataset/ucf101_jpegs_256/'
transforms_ = transforms.Compose([
ClipResize((args.height, args.width)), # h x w
RandomCrop(args.crop_sz),
RandomHorizontalFlip(0.5)
])
color_jitter = transforms.ColorJitter(brightness=0.8,
contrast=0.8,
saturation=0.8,
hue=0.2)
color_jitter = transforms.RandomApply([color_jitter], p=0.8)
train_dataset = ucf101_pace_pretrain(args.data_list,
args.rgb_prefix,
clip_len=args.clip_len,
max_sr=args.max_sr,
transforms_=transforms_,
color_jitter_=color_jitter)
print("len of training data:", len(train_dataset))
dataloader = DataLoader(train_dataset,
batch_size=args.bs,
shuffle=True,
num_workers=args.num_workers,
pin_memory=True)
## 2. init model
if args.model == 'r21d':
model = r21d.R2Plus1DNet(num_classes=args.num_classes)
elif args.model == 'r3d':
model = r3d.R3DNet(num_classes=args.num_classes)
elif args.model == 'c3d':
model = c3d.C3D(num_classes=args.num_classes)
elif args.model == 's3d':
model = s3d_g.S3D(num_classes=args.num_classes, space_to_depth=False)
# 3. define loss and lr
criterion = nn.CrossEntropyLoss()
optimizer = optim.SGD(model.parameters(),
lr=args.lr,
momentum=0.9,
weight_decay=0.005)
scheduler = optim.lr_scheduler.StepLR(optimizer, step_size=6, gamma=0.1)
# 4. multi gpu
if torch.cuda.device_count() > 1:
print("Let's use", torch.cuda.device_count(), "GPUs!")
model = nn.DataParallel(model)
model.to(device)
criterion.to(device)
writer = SummaryWriter(log_dir=log_path)
iterations = 1
model.train()
for epoch in range(args.epoch):
start_time = time.time()
for i, sample in enumerate(dataloader):
rgb_clip, labels = sample
rgb_clip = rgb_clip.to(device, dtype=torch.float)
labels = labels.to(device)
optimizer.zero_grad()
outputs = model(rgb_clip)
loss = criterion(outputs, labels)
loss.backward()
optimizer.step()
probs = nn.Softmax(dim=1)(outputs)
preds = torch.max(probs, 1)[1]
accuracy = torch.sum(
preds == labels.data).detach().cpu().numpy().astype(np.float)
accuracy = accuracy / args.bs
iterations += 1
if i % args.pf == 0:
writer.add_scalar('data/train_loss', loss, iterations)
writer.add_scalar('data/Acc', accuracy, iterations)
print("[Epoch{}/{}] Loss: {} Acc: {} Time {} ".format(
epoch + 1, i, loss, accuracy,
time.time() - start_time))
start_time = time.time()
scheduler.step()
model_saver(model, optimizer, epoch, args.max_save, pretrain_cks_path)
writer.close()
def generate_model(opt):
assert opt.model in [
'resnet', 'preresnet', 'wideresnet', 'resnext', 'densenet', 'c3d'
]
if opt.model == 'c3d':
model = c3d.C3D(num_classes=opt.n_classes)
if opt.model == 'resnet':
assert opt.model_depth in [10, 18, 34, 50, 101, 152, 200]
from models.resnet import get_fine_tuning_parameters
if opt.model_depth == 10:
model = resnet.resnet10(num_classes=opt.n_classes,
shortcut_type=opt.resnet_shortcut,
sample_size=opt.sample_size,
sample_duration=opt.sample_duration)
elif opt.model_depth == 18:
model = resnet.resnet18(num_classes=opt.n_classes,
shortcut_type=opt.resnet_shortcut,
sample_size=opt.sample_size,
sample_duration=opt.sample_duration)
elif opt.model_depth == 34:
model = resnet.resnet34(num_classes=opt.n_classes,
shortcut_type=opt.resnet_shortcut,
sample_size=opt.sample_size,
sample_duration=opt.sample_duration)
elif opt.model_depth == 50:
model = resnet.resnet50(num_classes=opt.n_classes,
shortcut_type=opt.resnet_shortcut,
sample_size=opt.sample_size,
sample_duration=opt.sample_duration)
elif opt.model_depth == 101:
model = resnet.resnet101(num_classes=opt.n_classes,
shortcut_type=opt.resnet_shortcut,
sample_size=opt.sample_size,
sample_duration=opt.sample_duration)
elif opt.model_depth == 152:
model = resnet.resnet152(num_classes=opt.n_classes,
shortcut_type=opt.resnet_shortcut,
sample_size=opt.sample_size,
sample_duration=opt.sample_duration)
elif opt.model_depth == 200:
model = resnet.resnet200(num_classes=opt.n_classes,
shortcut_type=opt.resnet_shortcut,
sample_size=opt.sample_size,
sample_duration=opt.sample_duration)
elif opt.model == 'wideresnet':
assert opt.model_depth in [50]
from models.wide_resnet import get_fine_tuning_parameters
if opt.model_depth == 50:
model = wide_resnet.resnet50(num_classes=opt.n_classes,
shortcut_type=opt.resnet_shortcut,
k=opt.wide_resnet_k,
sample_size=opt.sample_size,
sample_duration=opt.sample_duration)
elif opt.model == 'resnext':
assert opt.model_depth in [50, 101, 152]
from models.resnext import get_fine_tuning_parameters
if opt.model_depth == 50:
model = resnext.resnet50(num_classes=opt.n_classes,
shortcut_type=opt.resnet_shortcut,
cardinality=opt.resnext_cardinality,
sample_size=opt.sample_size,
sample_duration=opt.sample_duration)
elif opt.model_depth == 101:
model = resnext.resnet101(num_classes=opt.n_classes,
shortcut_type=opt.resnet_shortcut,
cardinality=opt.resnext_cardinality,
sample_size=opt.sample_size,
sample_duration=opt.sample_duration)
elif opt.model_depth == 152:
model = resnext.resnet152(num_classes=opt.n_classes,
shortcut_type=opt.resnet_shortcut,
cardinality=opt.resnext_cardinality,
sample_size=opt.sample_size,
sample_duration=opt.sample_duration)
elif opt.model == 'preresnet':
assert opt.model_depth in [18, 34, 50, 101, 152, 200]
from models.pre_act_resnet import get_fine_tuning_parameters
if opt.model_depth == 18:
model = pre_act_resnet.resnet18(
num_classes=opt.n_classes,
shortcut_type=opt.resnet_shortcut,
sample_size=opt.sample_size,
sample_duration=opt.sample_duration)
elif opt.model_depth == 34:
model = pre_act_resnet.resnet34(
num_classes=opt.n_classes,
shortcut_type=opt.resnet_shortcut,
sample_size=opt.sample_size,
sample_duration=opt.sample_duration)
elif opt.model_depth == 50:
model = pre_act_resnet.resnet50(
num_classes=opt.n_classes,
shortcut_type=opt.resnet_shortcut,
sample_size=opt.sample_size,
sample_duration=opt.sample_duration)
elif opt.model_depth == 101:
model = pre_act_resnet.resnet101(
num_classes=opt.n_classes,
shortcut_type=opt.resnet_shortcut,
sample_size=opt.sample_size,
sample_duration=opt.sample_duration)
elif opt.model_depth == 152:
model = pre_act_resnet.resnet152(
num_classes=opt.n_classes,
shortcut_type=opt.resnet_shortcut,
sample_size=opt.sample_size,
sample_duration=opt.sample_duration)
elif opt.model_depth == 200:
model = pre_act_resnet.resnet200(
num_classes=opt.n_classes,
shortcut_type=opt.resnet_shortcut,
sample_size=opt.sample_size,
sample_duration=opt.sample_duration)
elif opt.model == 'densenet':
assert opt.model_depth in [121, 169, 201, 264]
from models.densenet import get_fine_tuning_parameters
if opt.model_depth == 121:
model = densenet.densenet121(num_classes=opt.n_classes,
sample_size=opt.sample_size,
sample_duration=opt.sample_duration)
elif opt.model_depth == 169:
model = densenet.densenet169(num_classes=opt.n_classes,
sample_size=opt.sample_size,
sample_duration=opt.sample_duration)
elif opt.model_depth == 201:
model = densenet.densenet201(num_classes=opt.n_classes,
sample_size=opt.sample_size,
sample_duration=opt.sample_duration)
elif opt.model_depth == 264:
model = densenet.densenet264(num_classes=opt.n_classes,
sample_size=opt.sample_size,
sample_duration=opt.sample_duration)
if not opt.no_cuda:
model = model.cuda()
model = nn.DataParallel(model, device_ids=None)
if opt.pretrain_path:
print('loading pretrained model {}'.format(opt.pretrain_path))
pretrain = torch.load(opt.pretrain_path)
assert opt.arch == pretrain['arch']
model.load_state_dict(pretrain['state_dict'])
if opt.model == 'densenet':
model.module.classifier = nn.Linear(
model.module.classifier.in_features,
opt.n_finetune_classes)
model.module.classifier = model.module.classifier.cuda()
else:
model.module.fc = nn.Linear(model.module.fc.in_features,
opt.n_finetune_classes)
model.module.fc = model.module.fc.cuda()
parameters = get_fine_tuning_parameters(model, opt.ft_begin_index)
return model, parameters
else:
if opt.pretrain_path:
print('loading pretrained model {}'.format(opt.pretrain_path))
pretrain = torch.load(opt.pretrain_path)
assert opt.arch == pretrain['arch']
model.load_state_dict(pretrain['state_dict'])
if opt.model == 'densenet':
model.classifier = nn.Linear(model.classifier.in_features,
opt.n_finetune_classes)
else:
model.fc = nn.Linear(model.fc.in_features,
opt.n_finetune_classes)
parameters = get_fine_tuning_parameters(model, opt.ft_begin_index)
return model, parameters
return model, model.parameters()
def main():
args = parse_args()
print(vars(args))
os.environ["CUDA_VISIBLE_DEVICES"] = args.gpu
if args.model_name == 'c3d':
model=c3d.C3D(with_classifier=False)
elif args.model_name == 'r3d':
model=r3d.R3DNet((1,1,1,1),with_classifier=False)
elif args.model_name == 'r21d':
model=r21d.R2Plus1DNet((1,1,1,1),with_classifier=False)
print(args.model_name)
model = sscn.SSCN_OneClip(base_network=model, with_classifier=True, num_classes=4)
if ckpt:
weight = load_pretrained_weights(ckpt)
model.load_state_dict(weight, strict=True)
#train
train_dataset =PredictDataset(params['dataset'],mode="train",args=args);
# if params['data'] =='kinetics-400':
# val_dataset = PredictDataset(params['dataset'],mode='val',args=args);
if params['data'] == 'UCF-101':
val_size = 800
train_dataset, val_dataset = random_split(train_dataset, (len(train_dataset) - val_size, val_size))
elif params['data'] == 'hmdb':
val_size = 400
train_dataset, val_dataset = random_split(train_dataset, (len(train_dataset) - val_size, val_size))
train_loader = DataLoader(train_dataset,batch_size=params['batch_size'],shuffle=True,num_workers=params['num_workers'],drop_last=True)
val_loader = DataLoader(val_dataset,batch_size=params['batch_size'],shuffle=True,num_workers=params['num_workers'],drop_last=True)
if multi_gpu ==1:
model = nn.DataParallel(model)
model = model.cuda()
criterion_CE = nn.CrossEntropyLoss().cuda()
# criterion_MSE = Motion_MSEloss().cuda()
criterion_MSE = Motion_MSEloss_NoFakeGt().cuda()
model_params = []
for key, value in dict(model.named_parameters()).items():
if value.requires_grad:
if 'fc8' in key:
print(key)
model_params += [{'params':[value],'lr':10*learning_rate}]
else:
model_params += [{'params':[value],'lr':learning_rate}]
optimizer = optim.SGD(model_params, momentum=params['momentum'], weight_decay=params['weight_decay'])
scheduler = optim.lr_scheduler.ReduceLROnPlateau(optimizer, 'min', min_lr=1e-7, patience=50, factor=0.1)
save_path = params['save_path_base'] + "train_predict_{}_".format(args.exp_name) + params['data']
model_save_dir = os.path.join(save_path,time.strftime('%m-%d-%H-%M'))
writer = SummaryWriter(model_save_dir)
if not os.path.exists(model_save_dir):
os.makedirs(model_save_dir)
prev_best_val_loss = 100
prev_best_loss_model_path = None
for epoch in tqdm(range(start_epoch,start_epoch+train_epoch)):
train(train_loader,model,criterion_MSE,criterion_CE,optimizer,epoch,writer,root_path=model_save_dir)
val_loss = validation(val_loader,model,criterion_MSE,criterion_CE,optimizer,epoch)
if val_loss < prev_best_val_loss:
model_path = os.path.join(model_save_dir, 'best_model_{}.pth.tar'.format(epoch))
torch.save(model.state_dict(), model_path)
prev_best_val_loss = val_loss;
if prev_best_loss_model_path:
os.remove(prev_best_loss_model_path)
prev_best_loss_model_path = model_path
scheduler.step(val_loss);
if epoch % 20 == 0:
checkpoints = os.path.join(model_save_dir, 'model_{}.pth.tar'.format(epoch))
torch.save(model.state_dict(),checkpoints)
print("save_to:",checkpoints);
model.load_state_dict(pretrain_weight,strict= True)
# model.load_state_dict(torch.load(pretrain_path, map_location='cpu'), strict=True)
test_dataset = ClassifyDataSet(params['dataset'], mode="test");
test_loader = DataLoader(test_dataset, batch_size=params['batch_size'], shuffle=False,
num_workers=params['num_workers'])
if len(device_ids)>1:
print(torch.cuda.device_count())
model = nn.DataParallel(model)
model = model.cuda()
criterion = nn.CrossEntropyLoss().cuda()
test(test_loader, model, criterion,pretrain_path)
if __name__ == '__main__':
print(1)
seed = 632
random.seed(seed)
np.random.seed(seed)
torch.manual_seed(seed)
torch.cuda.manual_seed_all(seed)
model=c3d.C3D(with_classifier=True, num_classes=101);
# model=r3d.R3DNet((1,1,1,1),with_classifier=True, num_classes=101)
# model=r21d.R2Plus1DNet((1,1,1,1),with_classifier=True, num_classes=101)
pretrain_path = './outputs/ft_classify_Finsert_rate2_1248_part_patch_UCF-101/11-10-23-37/best_loss_model_139.pth.tar'
test_model(model,pretrain_path)
# pretrain="resnet50_ucf101_701.pth"
# state = torch.load(pretrain)
# sd = state["state_dict"]
# if torch.cuda.is_available():
# mdl = torch.nn.DataParallel(mdl) # Hara et. al. normalised by mean only
# mdl.load_state_dict(state_dict=sd, strict=False)
# first_lin = True
# if hasattr(mdl, "module"):
# module = mdl.module
# else:
# module = mdl
# first_lin = False
from models import c3d
import collections
mdl = c3d.C3D(101, range=(-max(ds_mean), 255-min(ds_mean)))
if hasattr(mdl, "module"):
module = mdl.module
else:
module = mdl
state = torch.load('save_20.pth')
n_state = []
for k, v in state['state_dict'].items():
if 'module' in k:
n_state.append((k[7:], v))
if n_state == []:
n_state = state['state_dict']
else:
n_state = collections.OrderedDict(n_state)
module.load_state_dict(n_state)
def generate_model(opt):
assert opt.model in [
'resnet',
'preresnet',
'wideresnet',
'resnext',
'densenet',
'c3d',
'c2d',
'c2d_exp',
'c2d_coord',
'c3d_color',
'c2d_pt',
'c2d_pt2',
'c2d_pt5',
'c2d_pt7',
'c2d_pt_exp',
'c2d_pt2_exp',
'c2d_pt5_exp',
'c2d_pt_exp_avg',
'c2d_pt_exp_sep',
'c3d_pt_exp',
'c2d_pt_exp_init',
'c2d_pt_expc',
'resnet18_exp',
'resnet34_exp',
'resnet50_exp',
'resnet101_exp',
'resnet152_exp',
'resnext50_32x4d_exp',
'resnext101_32x8d_exp',
'wide_resnet50_2_exp',
'wide_resnet101_2_exp',
'resnet18_pt_exp',
'resnet34_pt_exp',
'resnet50_pt_exp',
'resnet101_pt_exp',
'resnet152_pt_exp',
'resnext50_32x4d_pt_exp',
'resnext101_32x8d_pt_exp',
'wide_resnet50_2_pt_exp',
'wide_resnet101_2_pt_exp',
# decoder
'stsrresnetexp',
'spc',
]
if opt.model == 'resnet':
assert opt.model_depth in [10, 18, 34, 50, 101, 152, 200]
from models.resnet import get_fine_tuning_parameters
if opt.model_depth == 10:
model = resnet.resnet10(num_classes=opt.n_classes,
shortcut_type=opt.resnet_shortcut,
sample_size=opt.sample_size,
sample_duration=opt.sample_duration)
elif opt.model_depth == 18:
model = resnet.resnet18(num_classes=opt.n_classes,
shortcut_type=opt.resnet_shortcut,
sample_size=opt.sample_size,
sample_duration=opt.sample_duration)
elif opt.model_depth == 34:
model = resnet.resnet34(num_classes=opt.n_classes,
shortcut_type=opt.resnet_shortcut,
sample_size=opt.sample_size,
sample_duration=opt.sample_duration)
elif opt.model_depth == 50:
model = resnet.resnet50(num_classes=opt.n_classes,
shortcut_type=opt.resnet_shortcut,
sample_size=opt.sample_size,
sample_duration=opt.sample_duration)
elif opt.model_depth == 101:
model = resnet.resnet101(num_classes=opt.n_classes,
shortcut_type=opt.resnet_shortcut,
sample_size=opt.sample_size,
sample_duration=opt.sample_duration)
elif opt.model_depth == 152:
model = resnet.resnet152(num_classes=opt.n_classes,
shortcut_type=opt.resnet_shortcut,
sample_size=opt.sample_size,
sample_duration=opt.sample_duration)
elif opt.model_depth == 200:
model = resnet.resnet200(num_classes=opt.n_classes,
shortcut_type=opt.resnet_shortcut,
sample_size=opt.sample_size,
sample_duration=opt.sample_duration)
elif opt.model == 'wideresnet':
assert opt.model_depth in [50]
from models.wide_resnet import get_fine_tuning_parameters
if opt.model_depth == 50:
model = wide_resnet.resnet50(num_classes=opt.n_classes,
shortcut_type=opt.resnet_shortcut,
k=opt.wide_resnet_k,
sample_size=opt.sample_size,
sample_duration=opt.sample_duration)
elif opt.model == 'resnext':
assert opt.model_depth in [50, 101, 152]
from models.resnext import get_fine_tuning_parameters
if opt.model_depth == 50:
model = resnext.resnet50(num_classes=opt.n_classes,
shortcut_type=opt.resnet_shortcut,
cardinality=opt.resnext_cardinality,
sample_size=opt.sample_size,
sample_duration=opt.sample_duration)
elif opt.model_depth == 101:
model = resnext.resnet101(num_classes=opt.n_classes,
shortcut_type=opt.resnet_shortcut,
cardinality=opt.resnext_cardinality,
sample_size=opt.sample_size,
sample_duration=opt.sample_duration)
elif opt.model_depth == 152:
model = resnext.resnet152(num_classes=opt.n_classes,
shortcut_type=opt.resnet_shortcut,
cardinality=opt.resnext_cardinality,
sample_size=opt.sample_size,
sample_duration=opt.sample_duration)
elif opt.model == 'preresnet':
assert opt.model_depth in [18, 34, 50, 101, 152, 200]
from models.pre_act_resnet import get_fine_tuning_parameters
if opt.model_depth == 18:
model = pre_act_resnet.resnet18(
num_classes=opt.n_classes,
shortcut_type=opt.resnet_shortcut,
sample_size=opt.sample_size,
sample_duration=opt.sample_duration)
elif opt.model_depth == 34:
model = pre_act_resnet.resnet34(
num_classes=opt.n_classes,
shortcut_type=opt.resnet_shortcut,
sample_size=opt.sample_size,
sample_duration=opt.sample_duration)
elif opt.model_depth == 50:
model = pre_act_resnet.resnet50(
num_classes=opt.n_classes,
shortcut_type=opt.resnet_shortcut,
sample_size=opt.sample_size,
sample_duration=opt.sample_duration)
elif opt.model_depth == 101:
model = pre_act_resnet.resnet101(
num_classes=opt.n_classes,
shortcut_type=opt.resnet_shortcut,
sample_size=opt.sample_size,
sample_duration=opt.sample_duration)
elif opt.model_depth == 152:
model = pre_act_resnet.resnet152(
num_classes=opt.n_classes,
shortcut_type=opt.resnet_shortcut,
sample_size=opt.sample_size,
sample_duration=opt.sample_duration)
elif opt.model_depth == 200:
model = pre_act_resnet.resnet200(
num_classes=opt.n_classes,
shortcut_type=opt.resnet_shortcut,
sample_size=opt.sample_size,
sample_duration=opt.sample_duration)
elif opt.model == 'densenet':
assert opt.model_depth in [121, 169, 201, 264]
from models.densenet import get_fine_tuning_parameters
if opt.model_depth == 121:
model = densenet.densenet121(num_classes=opt.n_classes,
sample_size=opt.sample_size,
sample_duration=opt.sample_duration)
elif opt.model_depth == 169:
model = densenet.densenet169(num_classes=opt.n_classes,
sample_size=opt.sample_size,
sample_duration=opt.sample_duration)
elif opt.model_depth == 201:
model = densenet.densenet201(num_classes=opt.n_classes,
sample_size=opt.sample_size,
sample_duration=opt.sample_duration)
elif opt.model_depth == 264:
model = densenet.densenet264(num_classes=opt.n_classes,
sample_size=opt.sample_size,
sample_duration=opt.sample_duration)
elif opt.model == 'c3d':
model = c3d.C3D(num_classes=opt.n_classes,
sample_size=opt.sample_size,
sample_duration=opt.sample_duration)
elif opt.model == 'c3d_color':
model = c3d_color.C3D(num_classes=opt.n_classes,
sample_size=opt.sample_size,
sample_duration=opt.sample_duration)
elif opt.model == 'spc':
model = spc.SPC(num_classes=opt.n_classes,
sample_size=opt.sample_size,
sample_duration=opt.sample_duration)
elif opt.model == 'c2d':
model = c2d.C2D(num_classes=opt.n_classes,
sample_size=opt.sample_size,
sample_duration=opt.sample_duration)
elif opt.model == 'c2d_pt':
model = c2d_pt.C2DPt(num_classes=opt.n_classes,
sample_size=opt.sample_size,
sample_duration=opt.sample_duration)
elif opt.model == 'c2d_pt2':
model = c2d_pt2.C2DPt(num_classes=opt.n_classes,
sample_size=opt.sample_size,
sample_duration=opt.sample_duration)
elif opt.model == 'c2d_pt5':
model = c2d_pt5.C2DPt(num_classes=opt.n_classes,
sample_size=opt.sample_size,
sample_duration=opt.sample_duration)
elif opt.model == 'c2d_pt7':
model = c2d_pt7.C2DPt(num_classes=opt.n_classes,
sample_size=opt.sample_size,
sample_duration=opt.sample_duration)
elif opt.model == 'c2d_exp':
model = c2d_exp.C2DExp(num_classes=opt.n_classes,
sample_size=opt.sample_size,
sample_duration=opt.sample_duration)
elif opt.model == 'c2d_pt_exp':
model = c2d_pt_exp.C2DPtExp(num_classes=opt.n_classes,
sample_size=opt.sample_size,
sample_duration=opt.sample_duration)
elif opt.model == 'c2d_pt_expc':
model = c2d_pt_expc.C2DPtExpC(num_classes=opt.n_classes,
sample_size=opt.sample_size,
sample_duration=opt.sample_duration)
elif opt.model == 'c2d_pt_exp_init':
model = c2d_pt_exp_init.C2DPtExp(num_classes=opt.n_classes,
sample_size=opt.sample_size,
sample_duration=opt.sample_duration)
elif opt.model == 'c3d_pt_exp':
model = c3d_pt_exp.C3DPtExp(num_classes=opt.n_classes,
sample_size=opt.sample_size,
sample_duration=opt.sample_duration)
elif opt.model == 'c2d_pt_exp_avg':
model = c2d_pt_exp_avg.C2DPtExpAvg(num_classes=opt.n_classes,
sample_size=opt.sample_size,
sample_duration=opt.sample_duration)
elif opt.model == 'c2d_pt_exp_sep':
model = c2d_pt_exp_sep.C2DPtExpSep(num_classes=opt.n_classes,
sample_size=opt.sample_size,
sample_duration=opt.sample_duration)
elif opt.model == 'c2d_pt5_exp':
model = c2d_pt5_exp.C2DPtExp(num_classes=opt.n_classes,
sample_size=opt.sample_size,
sample_duration=opt.sample_duration)
elif opt.model == 'c2d_pt2_exp':
model = c2d_pt2_exp.C2DPtExp(num_classes=opt.n_classes,
sample_size=opt.sample_size,
sample_duration=opt.sample_duration)
elif opt.model == 'c2d_coord':
model = c2d_coord.C2DCoord(num_classes=opt.n_classes,
sample_size=opt.sample_size,
sample_duration=opt.sample_duration)
elif opt.model == 'resnet18_exp':
model = resnet_exp.resnet18(pretrained=False,
progress=True,
num_classes=opt.n_classes,
sample_duration=opt.sample_duration)
elif opt.model == 'resnet34_exp':
model = resnet_exp.resnet34(pretrained=False,
progress=True,
num_classes=opt.n_classes,
sample_duration=opt.sample_duration)
elif opt.model == 'resnet50_exp':
model = resnet_exp.resnet50(pretrained=False,
progress=True,
num_classes=opt.n_classes,
sample_duration=opt.sample_duration)
elif opt.model == 'resnet101_exp':
model = resnet_exp.resnet101(pretrained=False,
progress=True,
num_classes=opt.n_classes,
sample_duration=opt.sample_duration)
elif opt.model == 'resnet152_exp':
model = resnet_exp.resnet152(pretrained=False,
progress=True,
num_classes=opt.n_classes,
sample_duration=opt.sample_duration)
elif opt.model == 'resnext50_32x4d_exp':
model = resnet_exp.resnext50_32x4d(pretrained=False,
progress=True,
num_classes=opt.n_classes,
sample_duration=opt.sample_duration)
elif opt.model == 'resnext101_32x8d_exp':
model = resnet_exp.resnext101_32x8d(
pretrained=False,
progress=True,
num_classes=opt.n_classes,
sample_duration=opt.sample_duration)
elif opt.model == 'wide_resnet50_2_exp':
model = resnet_exp.wide_resnet50_2(pretrained=False,
progress=True,
num_classes=opt.n_classes,
sample_duration=opt.sample_duration)
elif opt.model == 'wide_resnet101_2_exp':
model = resnet_exp.wide_resnet101_2(
pretrained=False,
progress=True,
num_classes=opt.n_classes,
sample_duration=opt.sample_duration)
elif opt.model == 'resnet18_pt_exp':
model = resnet_pt_exp.resnet18(pretrained=False,
progress=True,
num_classes=opt.n_classes,
sample_duration=opt.sample_duration)
elif opt.model == 'resnet34_pt_exp':
model = resnet_pt_exp.resnet34(pretrained=False,
progress=True,
num_classes=opt.n_classes,
sample_duration=opt.sample_duration)
elif opt.model == 'resnet50_pt_exp':
model = resnet_pt_exp.resnet50(pretrained=False,
progress=True,
num_classes=opt.n_classes,
sample_duration=opt.sample_duration)
elif opt.model == 'resnet101_pt_exp':
model = resnet_pt_exp.resnet101(pretrained=False,
progress=True,
num_classes=opt.n_classes,
sample_duration=opt.sample_duration)
elif opt.model == 'resnet152_pt_exp':
model = resnet_pt_exp.resnet152(pretrained=False,
progress=True,
num_classes=opt.n_classes,
sample_duration=opt.sample_duration)
elif opt.model == 'resnext50_32x4d_pt_exp':
model = resnet_pt_exp.resnext50_32x4d(
pretrained=False,
progress=True,
num_classes=opt.n_classes,
sample_duration=opt.sample_duration)
elif opt.model == 'resnext101_32x8d_pt_exp':
model = resnet_pt_exp.resnext101_32x8d(
pretrained=False,
progress=True,
num_classes=opt.n_classes,
sample_duration=opt.sample_duration)
elif opt.model == 'wide_resnet50_2_pt_exp':
model = resnet_pt_exp.wide_resnet50_2(
pretrained=False,
progress=True,
num_classes=opt.n_classes,
sample_duration=opt.sample_duration)
elif opt.model == 'wide_resnet101_2_pt_exp':
model = resnet_pt_exp.wide_resnet101_2(
pretrained=False,
progress=True,
num_classes=opt.n_classes,
sample_duration=opt.sample_duration)
elif opt.model == 'stsrresnetexp':
model = decoder.STSRResNetExp(sample_size=opt.sample_size,
sample_duration=opt.sample_duration)
if not opt.no_cuda:
model = model.cuda()
model = nn.DataParallel(model, device_ids=None)
if opt.pretrain_path:
print('loading pretrained model {}'.format(opt.pretrain_path))
pretrain = torch.load(opt.pretrain_path)
assert opt.arch == pretrain['arch']
model.load_state_dict(pretrain['state_dict'])
if opt.model == 'densenet':
model.module.classifier = nn.Linear(
model.module.classifier.in_features,
opt.n_finetune_classes)
model.module.classifier = model.module.classifier.cuda()
else:
model.module.fc = nn.Linear(model.module.fc.in_features,
opt.n_finetune_classes)
model.module.fc = model.module.fc.cuda()
parameters = get_fine_tuning_parameters(model, opt.ft_begin_index)
return model, parameters
else:
if opt.pretrain_path:
print('loading pretrained model {}'.format(opt.pretrain_path))
pretrain = torch.load(opt.pretrain_path)
assert opt.arch == pretrain['arch']
model.load_state_dict(pretrain['state_dict'])
if opt.model == 'densenet':
model.classifier = nn.Linear(model.classifier.in_features,
opt.n_finetune_classes)
else:
model.fc = nn.Linear(model.fc.in_features,
opt.n_finetune_classes)
parameters = get_fine_tuning_parameters(model, opt.ft_begin_index)
return model, parameters
return model, model.parameters()
def main():
args = parse_args()
# torch.backends.cudnn.benchmark = True
os.environ["CUDA_VISIBLE_DEVICES"] = args.gpu
pretrain_path = pretrain_path_list[args.pre_path]
save_path = params['save_path_base'] + "ft3_classify_{}_{}_".format(
pretrain_path.split('/')[-3][14:],
args.exp_name) + params['data'] + '_split{}'.format(args.split)
sub_dir = 'pt-{}-e{}-ft-{}'.format(
pretrain_path.split('/')[-2],
pretrain_path.split('/')[-1].split('.')[0].split('_')[-1],
time.strftime('%m-%d-%H-%M'))
model_save_dir = os.path.join(save_path, sub_dir)
writer = SummaryWriter(model_save_dir)
if not os.path.exists(model_save_dir):
os.makedirs(model_save_dir)
log_file = os.path.join(model_save_dir, 'log.txt')
sys.stdout = Logger(log_file)
print(vars(args))
if params['data'] == 'UCF-101':
class_num = 101
elif params['data'] == 'HMDB-51':
class_num = 51
print('{}: {}'.format(params['data'], class_num))
if args.model_name == 'c3d':
model = c3d.C3D(with_classifier=True, num_classes=class_num)
elif args.model_name == 'r3d':
model = r3d.R3DNet((1, 1, 1, 1),
with_classifier=True,
num_classes=class_num)
elif args.model_name == 'r21d':
model = r21d.R2Plus1DNet((1, 1, 1, 1),
with_classifier=True,
num_classes=class_num)
print('Backbone:{}'.format(args.model_name))
start_epoch = 1
pretrain_path = pretrain_path_list[args.pre_path]
print('Load model:' + pretrain_path)
pretrain_weight = load_pretrained_weights(pretrain_path)
print(pretrain_weight.keys())
model.load_state_dict(pretrain_weight, strict=False)
# train
image_augmentation = None
video_augmentation = transforms.Compose([
video_transforms.ToPILImage(),
video_transforms.Resize((128, 171)),
video_transforms.RandomCrop(112),
video_transforms.ToTensor()
])
train_dataset = ClassifyDataSet(params['dataset'],
mode="train",
split=args.split,
dataset=params['data'],
video_transforms=video_augmentation,
image_transforms=image_augmentation)
if params['data'] == 'UCF-101':
val_size = 800
elif params['data'] == 'HMDB-51':
val_size = 400
train_dataset, val_dataset = random_split(
train_dataset, (len(train_dataset) - val_size, val_size))
print("num_works:{:d}".format(params['num_workers']))
print("batch_size:{:d}".format(params['batch_size']))
train_loader = DataLoader(train_dataset,
batch_size=params['batch_size'],
shuffle=True,
num_workers=params['num_workers'])
val_loader = DataLoader(val_dataset,
batch_size=params['batch_size'],
shuffle=True,
num_workers=params['num_workers'])
if multi_gpu == 1:
model = nn.DataParallel(model)
model = model.cuda()
criterion = nn.CrossEntropyLoss().cuda()
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=100, gamma=0.1)
# for data in train_loader:
# clip , label = data;
# writer.add_video('train/clips',clip,0,fps=8)
# writer.add_text('train/idx',str(label.tolist()),0)
# clip = clip.cuda()
# writer.add_graph(model,(clip,clip));
# break
# for name,param in model.named_parameters():
# writer.add_histogram('params/{}'.format(name),param,0);
prev_best_val_loss = float('inf')
prev_best_loss_model_path = None
prev_best_acc_model_path = None
best_acc = 0
best_epoch = 0
for epoch in tqdm(range(start_epoch, start_epoch + params['epoch_num'])):
scheduler.step()
train(train_loader, model, criterion, optimizer, epoch, writer)
val_loss, top1_avg = validation(val_loader, model, criterion,
optimizer, epoch)
if top1_avg >= best_acc:
best_acc = top1_avg
print("i am best :", best_acc)
best_epoch = epoch
model_path = os.path.join(
model_save_dir, 'best_acc_model_{}.pth.tar'.format(epoch))
torch.save(model.state_dict(), model_path)
# if prev_best_acc_model_path:
# os.remove(prev_best_acc_model_path)
# prev_best_acc_model_path = model_path
if val_loss < prev_best_val_loss:
model_path = os.path.join(
model_save_dir, 'best_loss_model_{}.pth.tar'.format(epoch))
torch.save(model.state_dict(), model_path)
prev_best_val_loss = val_loss
# if prev_best_loss_model_path:
# os.remove(prev_best_loss_model_path)
# prev_best_loss_model_path = model_path
# scheduler.step(val_loss);
if epoch % 20 == 0:
checkpoints = os.path.join(model_save_dir, str(epoch) + ".pth.tar")
torch.save(model.state_dict(), checkpoints)
print("save_to:", checkpoints)
print("best is :", best_acc, best_epoch)
def main():
# get filenames and labels from text file
dataset, labels = read_file()
# load data
transform = transforms.Compose([transforms.ToTensor()])
num_frames = 8
ucf101 = UCFDataset(dataset, labels, args.num_frames, transform)
test_loader = torch.utils.data.DataLoader(ucf101,
batch_size=1,
shuffle=True,
num_workers=4)
# get model
if args.model == 'c3d':
model = c3d.C3D()
# elif args.model == 'resnet_3d':
# model = resnet_3d.resnet_3d(num_classes, input_shape, drop_rate=args.drop_rate)
# elif args.model == 'densenet_3d':
# model = densenet_3d.densenet_3d(num_classes, input_shape, dropout_rate=args.drop_rate)
# elif args.model == 'inception_3d':
# model = inception_3d.inception_3d(num_classes, input_shape)
# elif args.model == 'dense_resnet_3d':
# model = DenseResNet_3d.dense_resnet_3d(num_classes, input_shape, dropout_rate=args.drop_rate)
# optimizer
sgd = torch.optim.SGD(model.parameters(),
lr=args.lr,
momentum=0.9,
nesterov=True)
# loss function
cross_entropy = torch.nn.CrossEntropyLoss()
for epoch in range(1, args.epochs + 1):
losses = []
correct = 0
count = 0
for batch_idx, data_point in enumerate(test_loader):
if count < args.batch_size:
if count == 0:
batch = data_point['frames'].clone()
labels = data_point['label'].clone()
else:
batch = torch.cat((batch, data_point['frames']), dim=0)
labels = torch.cat((labels, data_point['label']), dim=0)
count += 1
if batch_idx < len(test_loader.dataset) - 1:
continue
# batch created, start training
model.train().cuda()
batch = batch.cuda()
labels = labels.cuda()
# reset optimizer
sgd.zero_grad()
# run through model
output = model(batch)
# loss
loss = cross_entropy(output, labels)
loss.backward()
losses.append(loss.item())
# update weights
sgd.step()
# get accuracy
prediction = output.argmax(dim=1, keepdim=True)
correct += prediction.eq(labels.view_as(prediction)).sum().item()
# reset count to 0
count = 0
# calculate loss
train_loss = float(np.mean(losses))
train_acc = float(100 * correct) / len(test_loader.dataset)
print(train_loss, train_acc)