def classifier(args, clf, train, pretrained_dir="/"):
"""Set classifier
Arguments:
dataset -- "Cifar10" or "Cifar100"
clf -- "resnet18", "resnet50", or "resnet101"
train {bool} -- Train or not
Keyword Arguments:
pretrained_dir {str} -- pretrained weights path (default: {"/"})
Returns:
Model
"""
num_classes = args.num_classes
input_channels = args.image_channels
map_location = (lambda s, _: s)
checkpoint_dir = os.path.join(pretrained_dir, args.dataset, clf + '.pth')
if clf.lower() == 'resnet18':
if train:
net = resnet18(num_classes, input_channels)
else:
checkpoint = torch.load(checkpoint_dir, map_location=map_location)
net = resnet18(num_classes, input_channels)
net.load_state_dict(checkpoint['model_state_dict'])
elif clf.lower() == 'resnet50':
if train:
net = resnet50(num_classes, input_channels)
else:
checkpoint = torch.load(checkpoint_dir, map_location=map_location)
net = resnet50(num_classes, input_channels)
net.load_state_dict(checkpoint['model_state_dict'])
elif clf.lower() == 'resnet101':
if train:
net = resnet101(num_classes, input_channels)
else:
checkpoint = torch.load(checkpoint_dir, map_location=map_location)
net = resnet101(num_classes, input_channels)
net.load_state_dict(checkpoint['model_state_dict'])
else:
raise Exception(
"You can choose the model among [resnet18, resnet 50, resnet101]")
return net
def train_main(args):
global loader_train, loader_val
loader_train, loader_val, loader_test = load_data(train_bath_size=BATCH_SIZE, args=args,RANDOM_SEED=RANDOM_SEED, val_batch_size=BATCH_SIZE)
device = set_device()
setup_seed(RANDOM_SEED) #随机种子
#model = googleNet()
model = resnet18()
#model = load_model(model, args.pretrained_model_path, device=device)
model = nn.DataParallel(model) #多gpu
criterion = nn.CrossEntropyLoss()
params = net_lr(model, FC_LR, NET_LR)
if OPTIMIZER == 'adam':
optimizer = torch.optim.Adam(params, betas=(0.9, 0.999), weight_decay=0, eps=1e-08)
else:
optimizer = torch.optim.SGD(params, momentum=MOMENTUM, nesterov=True,
weight_decay=WEIGHT_DECAY)
print(model)
start_epoch = 0
if Load_model:
start_epoch = 25
filepath = 'load_model_path'
model = load_model(model, filepath, device=device)
model = model.to(device=device)
optimizer = load_optimizer(optimizer, filepath, device=device)
train(model, optimizer, criterion, device=device, epochs=EPOCH, start=start_epoch)
def model_init(model_name):
device = torch.device("cuda" if torch.cuda.is_available() else "cpu")
if model_name == 'retinanet' :
#weight_file_path = '/content/retinanet/resnet34-333f7ec4.pth'
#weight_file_path = '/content/retinanet/CP_epoch5.pth'
weight_file_path = '/content/retinanet/retinanet50_pretrained.pth'
total_keys = len(list(torch.load(weight_file_path).keys()))
# Create the model
if total_keys >= 102 and total_keys < 182 :
retinanet = model.resnet18(num_classes=num_classes, pretrained=False)
elif total_keys >= 182 and total_keys < 267:
retinanet = model.resnet34(num_classes=num_classes, pretrained=False)
elif total_keys >= 267 and total_keys < 522:
retinanet = model.resnet50(num_classes=num_classes, pretrained=False)
elif total_keys >= 522 and total_keys < 777:
retinanet = model.resnet101(num_classes=num_classes, pretrained=False)
elif total_keys >= 777:
retinanet = model.resnet152(num_classes=num_classes, pretrained=False)
else:
raise ValueError('Unsupported model backbone, must be one of resnet18, resnet34, resnet50, resnet101, resnet152')
retinanet.load_state_dict(torch.load(weight_file_path, map_location=device), strict=False) # Initialisng Model with loaded weights
print('model initialized..')
return retinanet, device
def cnn(classes=5):
model = resnet18(num_classes=classes)
model.compile(loss="sparse_categorical_crossentropy",
optimizer=keras.optimizers.Adam(lr=0.001,
beta_1=0.9,
beta_2=0.999),
metrics=['accuracy'])
return model
def __init__(self, batch_size, lr, num_workers, data_root, **kwargs):
super(LitDistModule, self).__init__()
self.model = resnet18(with_fc=False)
self.batch_size = batch_size
self.lr = lr
self.num_workers = num_workers
self.data_root = data_root
def test_resnet18(test_loader):
model = resnet18(input_channel=1, num_classes=10)
print("ResNet-18:")
print(model)
for batch_idx, (data, target) in enumerate(test_loader):
print("Input data shape: {}".format(data.shape))
output = model(data)
print("Output shape: {}".format(output.shape))
break
def __init__(self, lr, batch_size, num_workers, **kwargs):
super(BasePL, self).__init__()
self.model = resnet18(with_fc=True)
self.criterion = torch.nn.CrossEntropyLoss()
self.train_accuracy = pl.metrics.Accuracy()
self.batch_size = batch_size
self.lr = lr
self.num_workers = num_workers
self.save_hyperparameters()
def main_dropout(data_args, train_args, model_args):
train_loader, val_loader, test_loader = get_dataloaders(data_args, load_test=False)
#train_loader, val_loader, test_loader = get_dataloaders_incr(data_args, load_test=False)
#train_loader, val_loader = train_loader[0], val_loader[0]
assert model_args.load_state_path, 'please specify a path to a pretrained model'
state = torch.load(model_args.load_state_path)
net = resnet18(num_classes=data_args.num_classes, seed=data_args.seed, disable_bn_stats=model_args.disable_bn_stats)
net.load_state_dict(state)
net.cuda()
drop_features(train_args, net, train_loader, val_loader, device=0)
def main_consolidate(data_args, train_args, model_args):
assert model_args.load_state_path, 'please specify a path to a pretrained model'
state = torch.load(model_args.load_state_path)
net = resnet18(num_classes=data_args.num_classes, seed=data_args.seed, disable_bn_stats=model_args.disable_bn_stats)
if data_args.num_classes != state['fc.weight'].shape[0]:
net.fc = nn.Linear(net.fc.in_features, state['fc.bias'].shape[0], bias=True)
net.load_state_dict(state)
net.cuda()
if train_args.single_task:
consolidate_single_task(data_args, train_args, net, device=0)
else:
consolidate_multi_task(data_args, train_args, net, device=0)
def load_model(self):
self.checkpoint = torch.load(self.model_checkpoint_file_path,
map_location=lambda storage, loc: storage)
self.model_args = self.checkpoint['args']
self.num_classes = None
if self.model_args.model_type == 'food179':
self.num_classes = 179
elif self.model_args.model_type == 'nsfw':
self.num_classes = 5
else:
raise ('Not Implemented!')
if self.model_args.model_arc == 'resnet18':
self.model = model.resnet18(num_classes=self.num_classes,
zero_init_residual=True)
elif self.model_args.model_arc == 'resnet34':
self.model = model.resnet34(num_classes=self.num_classes,
zero_init_residual=True)
elif self.model_args.model_arc == 'resnet50':
self.model = model.resnet50(num_classes=self.num_classes,
zero_init_residual=True)
elif self.model_args.model_arc == 'resnet101':
self.model = model.resnet101(num_classes=self.num_classes,
zero_init_residual=True)
elif self.model_args.model_arc == 'resnet152':
self.model = model.resnet152(num_classes=self.num_classes,
zero_init_residual=True)
elif self.model_args.model_arc == 'mobilenet':
self.model = model.MobileNetV2(n_class=self.num_classes,
input_size=256)
else:
raise ('Not Implemented!')
self.model = nn.DataParallel(self.model)
self.model.load_state_dict(self.checkpoint['model_state_dict'])
self.model_epoch = self.checkpoint['epoch']
self.model_test_acc = self.checkpoint['test_acc']
self.model_best_acc = self.checkpoint['best_acc']
self.model_test_acc_top5 = self.checkpoint['test_acc_top5']
self.model_class_to_idx = self.checkpoint['class_to_idx']
self.model_idx_to_class = {
v: k
for k, v in self.model_class_to_idx.items()
}
self.model_train_history_dict = self.checkpoint['train_history_dict']
self.mean = self.checkpoint['NORM_MEAN']
self.std = self.checkpoint['NORM_STD']
self.model.eval()
return
def predict_bagging(args):
global loader_train, loader_val
loader_train, loader_val, loader_test = load_data(train_bath_size=BATCH_SIZE, args=args,RANDOM_SEED=RANDOM_SEED, val_batch_size=BATCH_SIZE)
device = set_device()
setup_seed(RANDOM_SEED) #random seed
model = resnet18()
model_list=[]
for maindir, subdir, file_name_list in os.walk(args.bagging_root):
for filename in file_name_list:
model_path = os.path.join(maindir, filename)
print(model_path)
model_i = load_model(model, model_path, device=device)
model_i = model_i.to(device=device)
model_i.eval()
model_list.append(copy.deepcopy(model_i))
result = []
for batch_idx, (x, label, idx) in enumerate(loader_test):
x = x.to(device=device, dtype=dtype) # move to device, e.g. GPU
x = Variable(x)
oneHot_result_sum = torch.zeros(x.size(0), 10)
for model_i in model_list:
output = model_i(x)
_, predicted = output.max(1)
predicted_cpu = predicted.cpu()
oneHot_predicted = torch.zeros(output.size(0), output.size(1)).scatter_(1, predicted_cpu.unsqueeze(1), 1)
oneHot_result_sum += oneHot_predicted
_, bagging_result = oneHot_result_sum.max(1)
bagging_result = bagging_result.cpu()
if len(idx.shape)==1:
idx = idx.unsqueeze(1)
index_predicted = torch.cat([idx, bagging_result.unsqueeze(1)], dim=1)
index_predicted = index_predicted.cpu().data.numpy()
result.extend(index_predicted)
headers = ['image_id', 'label']
with open(args.predict_output_root, 'w', newline='')as f:
f_csv = csv.writer(f)
f_csv.writerow(headers)
f_csv.writerows(result)
def main(args=None):
data_set = {
x: guipang(cfg=cfg['dataset_guipang'], part=x) for x in ['train', 'val']
}
# data_set = {
# x: qiafan(cfg=cfg['dataset_qiafan'], part=x) for x in ['train', 'val']
# }
data_loader = {
x: data.DataLoader(data_set[x], batch_size=cfg['batch_size'],
num_workers=4, shuffle=True, pin_memory=False)
for x in ['train', 'val']
}
# Create the model
if cfg['depth'] == 18:
retinanet = model.resnet18(
num_classes=dataset_train.num_classes(), pretrained=True)
elif cfg['depth'] == 34:
retinanet = model.resnet34(
num_classes=dataset_train.num_classes(), pretrained=True)
elif cfg['depth'] == 50:
retinanet = model.resnet50(
num_classes=dataset_train.num_classes(), pretrained=True)
elif cfg['depth'] == 101:
retinanet = model.resnet101(
num_classes=dataset_train.num_classes(), pretrained=True)
elif cfg['depth'] == 152:
retinanet = model.resnet152(
num_classes=dataset_train.num_classes(), pretrained=True)
else:
raise ValueError(
'Unsupported model depth, must be one of 18, 34, 50, 101, 152')
use_gpu = True
if use_gpu:
retinanet = retinanet.cuda()
retinanet = torch.nn.DataParallel(retinanet).cuda()
optimizer = optim.Adam(retinanet.parameters(), lr=1e-5)
def get_nn_model(run_dir, ds):
config.log.info('==> Building model...')
if config.args.model not in config.torch_models:
raise NotImplementedError
net = None
if config.args.model == config.Resnet18:
net = model.resnet18(num_classes=ds.label_count)
elif config.args.model == config.OverfitResnet:
net = model.OverfitResNet18(num_classes=ds.label_count)
elif config.args.model == config.MLP:
net = model.create_mlp(len(ds.feature_columns), ds.label_count)
elif config.args.model == config.LeNet:
if config.args.dataset in config.ColoredMNIST_lst:
net = model.LeNetMNIST(3, ds.label_count) # use to colored mnist
elif config.args.dataset == config.Timit:
net = model.LeNetTIMIT(1, ds.label_count) # use for timit
elif config.args.dataset == config.Timit2Groups:
# net = model.LeNetTIMIT(1, ds.label_count) # use for timit
net = model.LeNetTIMIT2(1, ds.label_count) # use for timit
net = net.to(config.args.torch_device)
if config.args.task in [
*config.augment_testing_lst, config.evaluate_fairness
]:
net_path = os.path.join(run_dir, config.args.save_model)
config.log.info(f'==> Loading model from: {net_path}')
if config.args.use_cuda:
state = torch.load(net_path)
else:
state = torch.load(net_path, map_location=torch.device('cpu'))
net.load_state_dict(state['net'])
# support cuda
if config.args.use_cuda:
config.log.info('Using CUDA')
config.log.info('Parallel training on {0} GPUs.'.format(
torch.cuda.device_count()))
net = torch.nn.DataParallel(net,
device_ids=list(
range(torch.cuda.device_count())))
cudnn.benchmark = True
return net
def main(args=None):
from dataloader import JinNanDataset, Augmenter, UnNormalizer, Normalizer,Resizer
from torch.utils.data import Dataset, DataLoader
from torchvision import datasets, models, transforms
import model
import torch
import argparse
parser = argparse.ArgumentParser(description='Simple training script for training a RetinaNet network.')
parser.add_argument('--dataset',default='jingnan', help='Dataset type, must be one of csv or coco.')
parser.add_argument('--threshold',help='treshold')
parser.add_argument('--dataset_path', help='Path to file containing training and validation annotations (optional, see readme)')
parser.add_argument('--model_path',help=('the model path'))
parser.add_argument('--depth', help='Resnet depth, must be one of 18, 34, 50, 101, 152', type=int, default=50)
parser = parser.parse_args(args)
dataset_val=JinNanDataset(parser.dataset_path, set_name='val', transform=transforms.Compose([Normalizer(), Augmenter(), Resizer()]))
# Create the model
if parser.depth == 18:
retinanet = model.resnet18(num_classes=dataset_val.num_classes(), pretrained=True)
elif parser.depth == 34:
retinanet = model.resnet34(num_classes=dataset_val.num_classes(), pretrained=True)
elif parser.depth == 50:
retinanet = model.resnet50(num_classes=dataset_val.num_classes(), pretrained=True)
elif parser.depth == 101:
retinanet = model.resnet101(num_classes=dataset_val.num_classes(), pretrained=True)
elif parser.depth == 152:
retinanet = model.resnet152(num_classes=dataset_val.num_classes(), pretrained=True)
else:
raise ValueError('Unsupported model depth, must be one of 18, 34, 50, 101, 152')
retinanet=torch.load(parser.model_path)
use_gpu = True
if use_gpu:
retinanet = retinanet.cuda()
retinanet.eval()
print('Evaluating dataset')
evaluate_jinnan(dataset_val, retinanet)
def train(rank, nprocs, args):
print(rank)
torch.distributed.init_process_group(backend='nccl',
init_method='tcp://127.0.0.1:23456',
rank=rank,
world_size=args.world_size)
# seed for reproducibility
torch.manual_seed(1)
torch.cuda.manual_seed(1)
torch.backends.cudnn.deterministic = True
# create dataset.
#train_loader, test_loader = partition_dataset(rank, args.world_size, args)
train_loader, test_loader, train_sampler = create_dataloader(
'../data', args.world_size, args.batch_size)
print("loading dataset successed!")
# create model.
model = resnet18()
torch.cuda.set_device(rank)
model.cuda(rank)
cudnn.benchmark = True
# define the optimizer.
#optimizer = torch.optim.SGD(model.parameters(), lr=args.lr, momentum=0.9)
optimizer = LocalSGD(model.parameters(),
lr=args.lr,
gmf=0,
tau=args.tau,
size=args.world_size,
momentum=0.9,
nesterov=True,
weight_decay=1e-4)
# define the criterion and lr scheduler.
criterion = nn.CrossEntropyLoss().cuda()
for epoch in range(args.epoches):
acc = train_one_epoch(model, optimizer, criterion, train_loader,
test_loader, epoch, rank)
print(acc)
break
def build(self, depth=50, learning_rate=1e-5, ratios=[0.5, 1, 2],
scales=[2 ** 0, 2 ** (1.0 / 3.0), 2 ** (2.0 / 3.0)]):
# Create the model
if depth == 18:
retinanet = model.resnet18(num_classes=self.dataset_train.num_classes(), ratios=ratios, scales=scales,
weights_dir=self.weights_dir_path,
pretrained=True)
elif depth == 34:
retinanet = model.resnet34(num_classes=self.dataset_train.num_classes(), ratios=ratios, scales=scales,
weights_dir=self.weights_dir_path,
pretrained=True)
elif depth == 50:
retinanet = model.resnet50(num_classes=self.dataset_train.num_classes(), ratios=ratios, scales=scales,
weights_dir=self.weights_dir_path,
pretrained=True)
elif depth == 101:
retinanet = model.resnet101(num_classes=self.dataset_train.num_classes(), ratios=ratios, scales=scales,
weights_dir=self.weights_dir_path,
pretrained=True)
elif depth == 152:
retinanet = model.resnet152(num_classes=self.dataset_train.num_classes(), ratios=ratios, scales=scales,
weights_dir=self.weights_dir_path,
pretrained=True)
else:
raise ValueError('Unsupported model depth, must be one of 18, 34, 50, 101, 152')
self.retinanet = retinanet.to(device=self.device)
self.retinanet.training = True
self.optimizer = optim.Adam(self.retinanet.parameters(), lr=learning_rate)
self.scheduler = optim.lr_scheduler.ReduceLROnPlateau(self.optimizer, patience=3, verbose=True)
if self.checkpoint is not None:
self.retinanet.load_state_dict(self.checkpoint['model'])
self.optimizer.load_state_dict(self.checkpoint['optimizer'])
self.scheduler.load_state_dict(self.checkpoint['scheduler']) # TODO: test this, is it done right?
# TODO is it right to resume_read_trial optimizer and schedular like this???
self.ratios = ratios
self.scales = scales
self.depth = depth
def predict_main(args):
global loader_train, loader_val
loader_train, loader_val, loader_test = load_data(train_bath_size=BATCH_SIZE, args=args,RANDOM_SEED=RANDOM_SEED, val_batch_size=BATCH_SIZE)
device = set_device()
setup_seed(RANDOM_SEED) #random seed
model = resnet18()
model = load_model(model, args.load_model_path, device=device)
model = model.to(device=device)
test_epoch(model, nn.CrossEntropyLoss(), loader_val, device, 0, 1)
model.eval()
result = []
for batch_idx, (x, label, idx) in enumerate(loader_test):
x = x.to(device=device, dtype=dtype) # move to device, e.g. GPU
x = Variable(x)
output = model(x)
_, predicted = output.max(1)
predicted = predicted.cpu()
if len(idx.shape)==1:
idx = idx.unsqueeze(1)
index_predicted = torch.cat([idx, predicted.unsqueeze(1)], dim=1)
index_predicted = index_predicted.cpu().data.numpy()
result.extend(index_predicted)
headers = ['image_id', 'label']
with open(args.predict_output_root, 'w', newline='')as f:
f_csv = csv.writer(f)
f_csv.writerow(headers)
f_csv.writerows(result)
def set_models(self, dataset_train):
# Create the model
if self.depth == 18:
retinanet = model.resnet18(num_classes=dataset_train.num_classes(),
pretrained=True)
elif self.depth == 34:
retinanet = model.resnet34(num_classes=dataset_train.num_classes(),
pretrained=True)
elif self.depth == 50:
retinanet = model.resnet50(num_classes=dataset_train.num_classes(),
pretrained=True)
elif self.depth == 101:
retinanet = model.resnet101(
num_classes=dataset_train.num_classes(), pretrained=True)
elif self.depth == 152:
retinanet = model.resnet152(
num_classes=dataset_train.num_classes(), pretrained=True)
else:
raise ValueError(
'Unsupported model depth, must be one of 18, 34, 50, 101, 152')
if torch.cuda.device_count() > 1:
print("Let's use", torch.cuda.device_count(), "GPUs!")
# dim = 0 [30, xxx] -> [10, ...], [10, ...], [10, ...] on 3 GPUs
retinanet = nn.DataParallel(retinanet)
self.retinanet = retinanet.to(self.device)
self.retinanet.training = True
self.optimizer = optim.Adam(self.retinanet.parameters(), lr=self.lr)
# This lr_shceduler reduce the learning rate based on the models's validation loss
self.scheduler = optim.lr_scheduler.ReduceLROnPlateau(self.optimizer,
patience=3,
verbose=True)
self.loss_hist = collections.deque(maxlen=500)
def train(num_epoch, learning_rate, save_name,batch_size, early_stopping_epoch=10, cuda_flag=False):
# 基本参数
num_epoch = num_epoch
lr_decay = 500
lr = learning_rate
batch_size=batch_size
model = resnet18()
if cuda_flag:
print('using cuda...')
model = model.cuda()
else:
print('using cpu...')
# 模型参数初始化
def weight_init(m):
# 使用isinstance来判断m属于什么类型
if isinstance(m, nn.Conv2d):
# n = m.kernel_size[0] * m.kernel_size[1] * m.out_channels
# m.weight.data.normal_(0, math.sqrt(2. / n))
torch.nn.init.xavier_uniform_(m.weight)
torch.nn.init.constant_(m.bias, 0.1)
elif isinstance(m, nn.Linear):
m.weight.data.normal_() # 全连接层参数初始化
elif isinstance(m, nn.BatchNorm2d):
# # m中的weight，bias其实都是Variable，为了能学习参数以及后向传播
m.weight.data.fill_(1)
m.bias.data.zero_()
model.apply(weight_init)
# 定义损失函数
loss_func = nn.CrossEntropyLoss()
# 定义优化函数
optimizer = torch.optim.Adam(model.parameters(), lr=lr)
scheduler = torch.optim.lr_scheduler.StepLR(
optimizer, 1000, gamma=lr_decay)
train_data_loader, valid_data_loader, test_data_loader, _ = my_data_loader(
batch_size)
train_loss_epoch = []
valid_loss_epoch = []
best_model = None
import sys
min_valid_loss = sys.maxsize
for epoch in range(num_epoch):
model.train()
train_loss = 0
train_pred_label = []
train_true_label = []
valid_pred_label = []
valid_true_label = []
# 评估accuracy
for x, y in train_data_loader:
train_true_label.extend(y)
if cuda_flag:
x = x.cuda()
y = y.cuda()
optimizer.zero_grad() # 这行代码很关键，不加会导致训练误差和验证误差都很大！！！
pred_y = model(x)
loss = loss_func(pred_y, y)
if cuda_flag:
pred_label = torch.argmax(pred_y.detach().cpu(), dim=1)
train_pred_label.extend(pred_label)
train_loss += loss.detach().cpu().numpy()
else:
train_loss += loss.detach().numpy()
loss.backward()
optimizer.step()
train_accuracy = accuracy_score(train_true_label, train_pred_label)
# valid performance
model.eval()
valid_loss = 0
for valid_x, valid_y in valid_data_loader:
valid_true_label.extend(valid_y)
if cuda_flag:
valid_x = valid_x.cuda()
valid_y = valid_y.cuda()
with torch.no_grad(): # 这行代码很关键，不加就会导致 cuda out of memory 的问题
pred_valid_y = model(valid_x)
cur_valid_loss = loss_func(pred_valid_y, valid_y)
if cuda_flag:
pred_valid_label = torch.argmax(
pred_valid_y.detach().cpu(), dim=1)
valid_pred_label.extend(pred_valid_label)
valid_loss += cur_valid_loss.detach().cpu().numpy()
else:
valid_loss += cur_valid_loss.detach().numpy()
valid_accuracy = accuracy_score(valid_true_label, valid_pred_label)
print('===========epoch:{}, train_loss:{}, valid_loss:{}, train acc:{},valid acc:{}==========='.format(
epoch, train_loss, valid_loss, train_accuracy, valid_accuracy))
train_loss_epoch.append(train_loss)
valid_loss_epoch.append(valid_loss)
## 只需要保存当前效果最好的轮次的模型就可以了
if valid_loss<=min_valid_loss:
best_model = copy.deepcopy(model)
if early_stopping(valid_loss_epoch, early_stopping_epoch):
break
# checkpoint
# 每隔10个epoch就checkpoint一下
# 修改成只保存early_stopping的时候效果最好的模型
# if epoch % 10 == 0 and epoch != 0:
# checkpoint_tmp(model, save_name)
min_loss_epoch = valid_loss_epoch.index(min(valid_loss_epoch))
save_name += '-min_loss_epoch_{}'.format(min_loss_epoch)
checkpoint_tmp(best_model, save_name)
def main(args=None):
parser = argparse.ArgumentParser(description='Simple testing script for RetinaNet network.')
parser.add_argument('--dataset', help='Dataset type, must be one of csv or coco.',default = "csv")
parser.add_argument('--coco_path', help='Path to COCO directory')
parser.add_argument('--csv_classes', help='Path to file containing class list (see readme)',default="binary_class.csv")
parser.add_argument('--csv_val', help='Path to file containing validation annotations (optional, see readme)')
parser.add_argument('--csv_box_annot', help='Path to file containing predicted box annotations ')
parser.add_argument('--depth', help='Resnet depth, must be one of 18, 34, 50, 101, 152', type=int, default=18)
parser.add_argument('--epochs', help='Number of epochs', type=int, default=500)
parser.add_argument('--model', help='Path of .pt file with trained model',default = 'esposallescsv_retinanet_0.pt')
parser.add_argument('--model_out', help='Path of .pt file with trained model to save',default = 'trained')
parser.add_argument('--score_threshold', help='Score above which boxes are kept',default=0.15)
parser.add_argument('--nms_threshold', help='Score above which boxes are kept',default=0.2)
parser.add_argument('--max_epochs_no_improvement', help='Max epochs without improvement',default=100)
parser.add_argument('--max_boxes', help='Max boxes to be fed to recognition',default=50)
parser.add_argument('--seg_level', help='Line or word, to choose anchor aspect ratio',default='line')
parser.add_argument('--htr_gt_box',help='Train recognition branch with box gt (for debugging)',default=False)
parser = parser.parse_args(args)
# Create the data loaders
if parser.dataset == 'csv':
if parser.csv_classes is None:
raise ValueError('Must provide --csv_classes when training on COCO,')
if parser.csv_val is None:
dataset_val = None
print('No validation annotations provided.')
else:
dataset_val = CSVDataset(train_file=parser.csv_val, class_list=parser.csv_classes, transform=transforms.Compose([Normalizer(), Resizer()]))
if parser.csv_box_annot is not None:
box_annot_data = CSVDataset(train_file=parser.csv_box_annot, class_list=parser.csv_classes, transform=transforms.Compose([Normalizer(), Resizer()]))
else:
box_annot_data = None
else:
raise ValueError('Dataset type not understood (must be csv or coco), exiting.')
if dataset_val is not None:
sampler_val = AspectRatioBasedSampler(dataset_val, batch_size=1, drop_last=False)
dataloader_val = DataLoader(dataset_val, num_workers=0, collate_fn=collater, batch_sampler=sampler_val)
if box_annot_data is not None:
sampler_val = AspectRatioBasedSampler(box_annot_data, batch_size=1, drop_last=False)
dataloader_box_annot = DataLoader(box_annot_data, num_workers=0, collate_fn=collater, batch_sampler=sampler_val)
else:
dataloader_box_annot = dataloader_val
if not os.path.exists('trained_models'):
os.mkdir('trained_models')
# Create the model
alphabet=dataset_val.alphabet
if os.path.exists(parser.model):
retinanet = torch.load(parser.model)
else:
if parser.depth == 18:
retinanet = model.resnet18(num_classes=dataset_val.num_classes(), pretrained=True,max_boxes=int(parser.max_boxes),score_threshold=float(parser.score_threshold),seg_level=parser.seg_level,alphabet=alphabet)
elif parser.depth == 34:
retinanet = model.resnet34(num_classes=dataset_train.num_classes(), pretrained=True)
elif parser.depth == 50:
retinanet = model.resnet50(num_classes=dataset_train.num_classes(), pretrained=True)
elif parser.depth == 101:
retinanet = model.resnet101(num_classes=dataset_train.num_classes(), pretrained=True)
elif parser.depth == 152:
retinanet = model.resnet152(num_classes=dataset_train.num_classes(), pretrained=True)
else:
raise ValueError('Unsupported model depth, must be one of 18, 34, 50, 101, 152')
use_gpu = True
if use_gpu:
retinanet = retinanet.cuda()
retinanet = torch.nn.DataParallel(retinanet).cuda()
#retinanet = torch.load('../Documents/TRAINED_MODELS/pytorch-retinanet/esposallescsv_retinanet_99.pt')
#print "LOADED pretrained MODEL\n\n"
optimizer = optim.Adam(retinanet.parameters(), lr=1e-4)
scheduler = optim.lr_scheduler.ReduceLROnPlateau(optimizer, patience=4, verbose=True)
loss_hist = collections.deque(maxlen=500)
ctc = CTCLoss()
retinanet.module.freeze_bn()
best_cer = 1000
epochs_no_improvement=0
cers=[]
retinanet.eval()
retinanet.module.epochs_only_det = 0
#retinanet.module.htr_gt_box = False
retinanet.training=False
if parser.score_threshold is not None:
retinanet.module.score_threshold = float(parser.score_threshold)
'''if parser.dataset == 'csv' and parser.csv_val is not None:
print('Evaluating dataset')
'''
mAP = csv_eval.evaluate(dataset_val, retinanet,score_threshold=retinanet.module.score_threshold)
aps = []
for k,v in mAP.items():
aps.append(v[0])
print ("VALID mAP:",np.mean(aps))
print("score th",retinanet.module.score_threshold)
for idx,data in enumerate(dataloader_box_annot):
print("Eval CER on validation set:",idx,"/",len(dataloader_box_annot),"\r")
if box_annot_data:
image_name = box_annot_data.image_names[idx].split('/')[-1].split('.')[-2]
else:
image_name = dataset_val.image_names[idx].split('/')[-1].split('.')[-2]
#generate_pagexml(image_name,data,retinanet,parser.score_threshold,parser.nms_threshold,dataset_val)
text_gt_path="/".join(dataset_val.image_names[idx].split('/')[:-1])
text_gt = os.path.join(text_gt_path,image_name+'.txt')
f =open(text_gt,'r')
text_gt_lines=f.readlines()[0]
transcript_pred = get_transcript(image_name,data,retinanet,retinanet.module.score_threshold,float(parser.nms_threshold),dataset_val,alphabet)
cers.append(float(editdistance.eval(transcript_pred,text_gt_lines))/len(text_gt_lines))
print("GT",text_gt_lines)
print("PREDS SAMPLE:",transcript_pred)
print("VALID CER:",np.mean(cers),"best CER",best_cer)
print("GT",text_gt_lines)
print("PREDS SAMPLE:",transcript_pred)
print("VALID CER:",np.mean(cers),"best CER",best_cer)
def main(args=None):
#def main(epoch):
parser = argparse.ArgumentParser(description='Simple training script for training a RetinaNet network.')
parser.add_argument('--dataset', help='Dataset type, must be one of csv or coco.')
parser.add_argument('--coco_path', help='Path to COCO directory')
parser.add_argument('--csv_train', help='Path to file containing training annotations (see readme)')
parser.add_argument('--csv_classes', help='Path to file containing class list (see readme)')
parser.add_argument('--csv_val', help='Path to file containing validation annotations (optional, see readme)')
parser.add_argument('--depth', help='Resnet depth, must be one of 18, 34, 50, 101, 152', type=int, default=50)
parser.add_argument('--epochs', help='Number of epochs', type=int, default=100)
#parser.add_argument('--resume', '-r', action='store_true', help='resume from checkpoint')
parser.add_argument('--start-epoch', default=0, type=int, help='manual epoch number (useful on restarts)')
parser.add_argument('--resume', default='', type=str, metavar='PATH', help='path to latest checkpoint (default: none)')
parser = parser.parse_args(args)
#args = parser.parse_args()
#parser = parser.parse_args(epoch)
# Create the data loaders
if parser.dataset == 'coco':
if parser.coco_path is None:
raise ValueError('Must provide --coco_path when training on COCO,')
dataset_train = CocoDataset(parser.coco_path, set_name='train2017', transform=transforms.Compose([Normalizer(), Augmenter(), Resizer()]))
dataset_val = CocoDataset(parser.coco_path, set_name='val2017', transform=transforms.Compose([Normalizer(), Resizer()]))
elif parser.dataset == 'csv':
if parser.csv_train is None:
raise ValueError('Must provide --csv_train when training on COCO,')
if parser.csv_classes is None:
raise ValueError('Must provide --csv_classes when training on COCO,')
dataset_train = CSVDataset(train_file=parser.csv_train, class_list=parser.csv_classes, transform=transforms.Compose([Normalizer(), Augmenter(), Resizer()]))
if parser.csv_val is None:
dataset_val = None
print('No validation annotations provided.')
else:
dataset_val = CSVDataset(train_file=parser.csv_val, class_list=parser.csv_classes, transform=transforms.Compose([Normalizer(), Resizer()]))
else:
raise ValueError('Dataset type not understood (must be csv or coco), exiting.')
sampler = AspectRatioBasedSampler(dataset_train, batch_size=4, drop_last=False)
dataloader_train = DataLoader(dataset_train, num_workers=3, collate_fn=collater, batch_sampler=sampler)
if dataset_val is not None:
sampler_val = AspectRatioBasedSampler(dataset_val, batch_size=1, drop_last=False)
dataloader_val = DataLoader(dataset_val, num_workers=3, collate_fn=collater, batch_sampler=sampler_val)
# Create the model
if parser.depth == 18:
retinanet = model.resnet18(num_classes=dataset_train.num_classes(), pretrained=True)
elif parser.depth == 34:
retinanet = model.resnet34(num_classes=dataset_train.num_classes(), pretrained=True)
elif parser.depth == 50:
retinanet = model.resnet50(num_classes=dataset_train.num_classes(), pretrained=True)
elif parser.depth == 101:
retinanet = model.resnet101(num_classes=dataset_train.num_classes(), pretrained=True)
elif parser.depth == 152:
retinanet = model.resnet152(num_classes=dataset_train.num_classes(), pretrained=True)
else:
raise ValueError('Unsupported model depth, must be one of 18, 34, 50, 101, 152')
use_gpu = True
if use_gpu:
retinanet = retinanet.cuda()
#retinanet().load_state_dict(torch.load('/users/wenchi/ghwwc/Pytorch-retinanet-master/resnet50-19c8e357.pth'))
#if True:
#print('==> Resuming from checkpoint..')
#checkpoint = torch.load('/users/wenchi/ghwwc/Pytorch-retinanet-master/coco_retinanet_2.pt')
#retinanet().load_state_dict(checkpoint)
#best_loss = checkpoint['loss']
#start_epoch = checkpoint['epoch']
retinanet = torch.nn.DataParallel(retinanet).cuda()
retinanet.training = True
#optimizer = optim.Adam(retinanet.parameters(), lr=1e-5)
optimizer = optim.SGD(retinanet.parameters(), lr=1e-5)
scheduler = optim.lr_scheduler.ReduceLROnPlateau(optimizer, patience=3, verbose=True)
loss_hist = collections.deque(maxlen=500)
retinanet.train()
#retinanet.freeze_bn() #for train from a middle state
retinanet.module.freeze_bn() #for train from the very beginning
print('Num training images: {}'.format(len(dataset_train)))
for epoch_num in range(parser.start_epoch, parser.epochs):
if parser.resume:
if os.path.isfile(parser.resume):
print("=>loading checkpoint '{}'".format(parser.resume))
checkpoint = torch.load(parser.resume)
print(parser.start_epoch)
#parser.start_epoch = checkpoint['epoch']
#retinanet.load_state_dict(checkpoint['state_dict'])
retinanet=checkpoint
#retinanet.load_state_dict(checkpoint)
print(retinanet)
#optimizer.load_state_dict(checkpoint)
print("=> loaded checkpoint '{}' (epoch {})".format(parser.resume, checkpoint))
else:
print("=> no checkpoint found at '{}'".format(parser.resume))
retinanet.train()
retinanet.freeze_bn()
#retinanet.module.freeze_bn()
if parser.dataset == 'coco':
print('Evaluating dataset')
coco_eval.evaluate_coco(dataset_val, retinanet)
elif parser.dataset == 'csv' and parser.csv_val is not None:
print('Evaluating dataset')
mAP = csv_eval.evaluate(dataset_val, retinanet)
epoch_loss = []
for iter_num, data in enumerate(dataloader_train):
try:
optimizer.zero_grad()
classification_loss, regression_loss = retinanet([data['img'].cuda().float(), data['annot'].cuda()])
classification_loss = classification_loss.mean()
regression_loss = regression_loss.mean()
loss = classification_loss + regression_loss
if bool(loss == 0):
continue
loss.backward()
torch.nn.utils.clip_grad_norm_(retinanet.parameters(), 0.1)
optimizer.step()
loss_hist.append(float(loss))
epoch_loss.append(float(loss))
print('Epoch: {} | Iteration: {} | Classification loss: {:1.5f} | Regression loss: {:1.5f} | Running loss: {:1.5f}'.format(epoch_num, iter_num, float(classification_loss), float(regression_loss), np.mean(loss_hist)))
del classification_loss
del regression_loss
except Exception as e:
print(e)
continue
if parser.dataset == 'coco':
print('Evaluating dataset')
coco_eval.evaluate_coco(dataset_val, retinanet)
elif parser.dataset == 'csv' and parser.csv_val is not None:
print('Evaluating dataset')
mAP = csv_eval.evaluate(dataset_val, retinanet)
scheduler.step(np.mean(epoch_loss))
#torch.save(retinanet.module, '{}_retinanet_101_{}.pt'.format(parser.dataset, epoch_num))
torch.save(retinanet, '{}_retinanet_dilation_experiment1_{}.pt'.format(parser.dataset, epoch_num))
name = '{}_retinanet_dilation_experiment1_{}.pt'.format(parser.dataset, epoch_num)
parser.resume = '/users/wenchi/ghwwc/pytorch-retinanet-master_new/name'
retinanet.eval()
torch.save(retinanet, 'model_final_dilation_experiment1.pt'.format(epoch_num))
def main(args=None):
parser = argparse.ArgumentParser(
description='Simple training script for training a RetinaNet network.')
parser.add_argument('--coco_path',
help='Path to COCO directory',
type=str,
default='./data/coco')
parser.add_argument(
'--depth',
help='Resnet depth, must be one of 18, 34, 50, 101, 152',
type=int,
default=50)
parser.add_argument('--checkpoint',
help='The path to the checkpoint.',
type=str,
default=None)
parser.add_argument('--epochs',
help='Number of epochs',
type=int,
default=100)
parser.add_argument('--batch_size',
help='Number of batch',
type=int,
default=16)
parser.add_argument('--gpu_ids',
help='Gpu parallel',
type=str,
default='1, 2')
parser = parser.parse_args(args)
# Create the data lodaders
dataset_train = CocoDataset(parser.coco_path,
set_name='train2017',
transform=transforms.Compose(
[Normalizer(),
Augmenter(),
Resizer()]))
dataset_val = CocoDataset(parser.coco_path,
set_name='val2017',
transform=transforms.Compose(
[Normalizer(), Resizer()]))
sampler = AspectRatioBasedSampler(dataset_train,
batch_size=4,
drop_last=False)
dataloader_train = DataLoader(dataset_train,
num_workers=16,
collate_fn=collater,
batch_sampler=sampler)
sampler_val = AspectRatioBasedSampler(dataset_val,
batch_size=1,
drop_last=False)
dataloader_val = DataLoader(dataset_val,
num_workers=3,
collate_fn=collater,
batch_sampler=sampler_val)
# Create the model
if parser.depth == 18:
retinanet = model.resnet18(num_classes=dataset_train.num_classes(),
pretrained=True)
elif parser.depth == 34:
retinanet = model.resnet34(num_classes=dataset_train.num_classes(),
pretrained=True)
elif parser.depth == 50:
retinanet = model.resnet50(num_classes=dataset_train.num_classes(),
pretrained=True)
elif parser.depth == 101:
retinanet = model.resnet101(num_classes=dataset_train.num_classes(),
pretrained=True)
elif parser.depth == 152:
retinanet = model.resnet152(num_classes=dataset_train.num_classes(),
pretrained=True)
else:
raise ValueError(
'Unsupported model depth, must be one of 18, 34, 50, 101, 152')
use_gpu = True
if use_gpu:
retinanet = retinanet.cuda()
gpu_ids = parser.gpu_ids.split(',')
device = torch.device("cuda:" + gpu_ids[0])
torch.cuda.set_device(device)
gpu_ids = list(map(int, gpu_ids))
retinanet = torch.nn.DataParallel(retinanet, device_ids=gpu_ids).to(device)
if parser.checkpoint:
pretrained = torch.load(parser.checkpoint).state_dict()
retinanet.module.load_state_dict(pretrained)
# add tensorboard to record train log
retinanet.training = True
writer = SummaryWriter('./log')
# writer.add_graph(retinanet, input_to_model=[images, labels])
retinanet.training = True
optimizer = optim.Adam(retinanet.parameters(), lr=1e-5)
scheduler = optim.lr_scheduler.ReduceLROnPlateau(optimizer,
patience=3,
verbose=True)
loss_hist = collections.deque(maxlen=500)
retinanet.train()
retinanet.module.freeze_bn()
print('Num training images: {}'.format(len(dataset_train)))
for epoch_num in range(parser.epochs):
retinanet.train()
retinanet.module.freeze_bn()
epoch_loss = []
for iter_num, data in enumerate(dataloader_train):
try:
optimizer.zero_grad()
classification_loss, regression_loss = retinanet(
[data['img'].to(device), data['ann'].to(device)])
classification_loss = classification_loss.mean()
regression_loss = regression_loss.mean()
loss = classification_loss + regression_loss
if bool(loss == 0):
continue
loss.backward()
torch.nn.utils.clip_grad_norm_(retinanet.parameters(), 0.1)
optimizer.step()
loss_hist.append(float(loss))
writer.add_scalar('Loss/train', loss, iter_num)
writer.add_scalar('Loss/reg_loss', regression_loss, iter_num)
writer.add_scalar('Loss/cls_loss', classification_loss,
iter_num)
epoch_loss.append(float(loss))
if (iter_num + 1) % 1000 == 0:
print('Save model')
torch.save(
retinanet.module,
'COCO_retinanet_epoch{}_iter{}.pt'.format(
epoch_num, iter_num))
print(
'Epoch: {} | Iteration: {} | Classification loss: {:1.5f} | Regression loss: {:1.5f} | Running loss: {:1.5f}'
.format(epoch_num, iter_num, float(classification_loss),
float(regression_loss), np.mean(loss_hist)))
del classification_loss
del regression_loss
except Exception as e:
print(e)
continue
print('Evaluating dataset')
coco_eval.evaluate_coco(dataset_val, retinanet, writer)
scheduler.step(np.mean(epoch_loss))
torch.save(retinanet.module, 'COCO_retinanet_{}.pt'.format(epoch_num))
retinanet.eval()
torch.save(retinanet, 'model_final.pt'.format(epoch_num))
def main():
data_args, train_args, model_args = parse_args(IncrDataArgs,
ExperimentArgs,
AllModelArgs)
if train_args.batch and not train_args.multihead:
train_loader, val_loader, test_loader = get_dataloaders(
data_args, load_test=False)
else:
train_loader, val_loader, test_loader = get_dataloaders_incr(
data_args, load_test=False, multihead_batch=train_args.batch)
state = None
# load pretrained feature extractor if specified
if model_args.load_state_path:
state = torch.load(model_args.load_state_path)
if model_args.arch == 'resnet18':
net = resnet18(num_classes=data_args.num_classes,
seed=data_args.seed,
disable_bn_stats=model_args.disable_bn_stats)
if state is not None:
state['fc.weight'], state['fc.bias'] = net.fc.weight, net.fc.bias
net.load_state_dict(state)
elif model_args.arch == 'lrm_resnet18':
net = load_lrm(state=state,
num_classes=data_args.num_classes,
seed=data_args.seed,
disable_bn_stats=model_args.disable_bn_stats,
n_blocks=model_args.n_blocks,
block_size_alpha=model_args.block_size_alpha,
route_by_task=model_args.route_by_task,
fit_keys=train_args.fit_keys)
# save state initialization if we will be reinitializing the model before each new exposure
if train_args.exposure_reinit:
torch.save(
net.state_dict(),
join(train_args.model_save_dir,
append_to_file(train_args.model_save_path, 'init')))
net.cuda()
if train_args.batch:
if train_args.multihead:
# trains model on batches of data across tasks while enforcing classification predictions to be within task
train_batch_multihead(train_args,
net,
train_loader,
val_loader,
device=0)
np.savez(join(train_args.acc_save_dir,
train_args.incr_results_path),
entropy=net.get_entropy(),
class_div=net.get_class_routing_divergence())
else:
train(train_args,
net,
train_loader,
val_loader,
device=0,
multihead=False)
else:
train_incr(train_args, net, train_loader, val_loader, device=0)
def main():
normalize = transforms.Normalize(mean=[0.485, 0.456, 0.406],
std=[0.229, 0.224, 0.225])
# Image Preprocessing
train_transform = transforms.Compose([
transforms.RandomResizedCrop(224),
transforms.RandomHorizontalFlip(),
transforms.ToTensor(),
normalize,
])
test_transform = transforms.Compose([
transforms.Resize(256),
transforms.CenterCrop(224),
transforms.ToTensor(),
normalize,
])
num_epochs = args.epochs
batch_size = args.batch_size
train_dataset = datasets.folder.ImageFolder(
root='/fast/users/a1675776/data/imagenet/train/',
transform=train_transform)
test_dataset = datasets.folder.ImageFolder(
root='/fast/users/a1675776/data/imagenet/val/',
transform=test_transform)
train_loader = torch.utils.data.DataLoader(dataset=train_dataset,
batch_size=batch_size,
shuffle=True,
num_workers=10,
pin_memory=True)
test_loader = torch.utils.data.DataLoader(dataset=test_dataset,
batch_size=batch_size,
shuffle=False,
num_workers=10,
pin_memory=True)
num_train = train_dataset.__len__()
n_train_batches = math.floor(num_train / batch_size)
criterion = nn.CrossEntropyLoss().cuda()
bitW = 32
bitA = 32
model = resnet18(bitW, bitA)
model = utils.dataparallel(model, 3)
print("Compilation complete, starting training...")
test_record = []
train_record = []
learning_rate = args.learning_rate
epoch = 0
step_idx = 0
best_top1 = 0
optimizer = torch.optim.SGD(model.parameters(),
lr=learning_rate,
weight_decay=args.weight_decay,
momentum=args.momentum)
for m in model.modules():
if isinstance(m, nn.Conv2d) or isinstance(m, nn.Linear) or isinstance(
m, self_conv):
c = float(m.weight.data[0].nelement())
torch.nn.init.xavier_uniform(m.weight)
elif isinstance(m, nn.BatchNorm2d):
m.weight.data = m.weight.data.zero_().add(1.0)
while epoch < num_epochs:
epoch = epoch + 1
# resume training
if (args.resume_train) and (epoch == 1):
checkpoint = torch.load(args.resume_dir)
epoch = checkpoint['epoch']
learning_rate = checkpoint['learning_rate']
optimizer.load_state_dict(checkpoint['optimizer'])
step_idx = checkpoint['step_idx']
model.load_state_dict(checkpoint['state_dict'])
test_record = list(np.load(args.weights_dir + 'test_record.npy'))
train_record = list(np.load(args.weights_dir + 'train_record.npy'))
logging.info('epoch %d lr %e', epoch, learning_rate)
# training
train_acc_top1, train_acc_top5, train_obj = train(
train_loader, model, criterion, optimizer)
logging.info('train_acc %f', train_acc_top1)
train_record.append([train_acc_top1, train_acc_top5])
np.save(args.weights_dir + 'train_record.npy', train_record)
# test
test_acc_top1, test_acc_top5, test_obj = infer(test_loader, model,
criterion)
is_best = test_acc_top1 > best_top1
if is_best:
best_top1 = test_acc_top1
logging.info('test_acc %f', test_acc_top1)
test_record.append([test_acc_top1, test_acc_top5])
np.save(args.weights_dir + 'test_record.npy', test_record)
save_checkpoint(
{
'epoch': epoch + 1,
'state_dict': model.state_dict(),
'optimizer': optimizer.state_dict(),
'best_top1': best_top1,
'step_idx': step_idx,
'learning_rate': learning_rate,
}, args, is_best)
step_idx, learning_rate = utils.adjust_learning_rate(
args, epoch, step_idx, learning_rate)
for param_group in optimizer.param_groups:
param_group['lr'] = learning_rate
def main():
# Training settings
parser = argparse.ArgumentParser(description='PyTorch MNIST Example')
# model cfg
# parser.add_argument('--pretrained', action='store_true', default=False,
# help='load pretrained model')
parser.add_argument('--model-type',
type=str,
default="",
help="type of the model.")
parser.add_argument('--model-structure',
type=int,
default=0,
metavar='N',
help='model structure to be trained (default: 0)')
parser.add_argument('--resume',
default='',
type=str,
metavar='PATH',
help='path to latest checkpoint, (default: None)')
parser.add_argument('--e',
'--evaluate',
dest='evaluate',
action='store_true',
help='evaluate model on validation set')
# dataset
parser.add_argument('--dataset-root',
type=str,
default="../datasets",
help="load dataset path.")
parser.add_argument('--workers',
default=0,
type=int,
metavar='N',
help='number of data loading workers (default: 0)')
parser.add_argument('--train-batch-size',
type=int,
default=128,
metavar='N',
help='input batch size for training (default: 128)')
parser.add_argument('--test-batch-size',
type=int,
default=128,
metavar='N',
help='input batch size for testing (default: 128)')
# train cfg
parser.add_argument('--epochs',
type=int,
default=80,
metavar='N',
help='number of epochs to train (default: 10)')
parser.add_argument('--start-epoch',
default=0,
type=int,
metavar='N',
help='manual epoch number (useful to restarts)')
parser.add_argument('--lr',
type=float,
default=0.001,
metavar='LR',
help='learning rate (default: 0.001)')
# optimizer
parser.add_argument('--momentum',
default=0.9,
type=float,
metavar='M',
help='SGD momentum (default: 0.9)')
parser.add_argument('--wd',
default=5e-4,
type=float,
metavar='W',
help='weight decay (default: 5e-4)')
# scheduler
parser.add_argument('--schedule',
type=int,
nargs='+',
default=[150, 225],
help='Decrease learning rate at these epochs.')
parser.add_argument('--gamma',
type=float,
default=0.1,
help='LR is multiplied by gamma on schedule.')
parser.add_argument('--decreasing-lr',
default='16,30,54',
help='decreasing strategy')
# device init cfg
parser.add_argument('--no-cuda',
action='store_true',
default=False,
help='disables CUDA training')
parser.add_argument('--seed',
type=int,
default=1,
metavar='S',
help='random seed (default: 1)')
# result output cfg
parser.add_argument('--detail',
action='store_true',
default=False,
help='show log in detial')
parser.add_argument(
'--log-interval',
type=int,
default=10,
metavar='N',
help='how many batches to wait before logging training status')
parser.add_argument('--save-model',
action='store_true',
default=True,
help='For Saving the current Model')
parser.add_argument('--checkpoint-path',
type=str,
default="",
help="save model path.")
parser.add_argument('--crxb-size',
type=int,
default=64,
help='corssbar size')
parser.add_argument('--vdd',
type=float,
default=3.3,
help='supply voltage')
parser.add_argument('--gwire',
type=float,
default=0.0357,
help='wire conductacne')
parser.add_argument('--gload',
type=float,
default=0.25,
help='load conductance')
parser.add_argument('--gmax',
type=float,
default=0.000333,
help='maximum cell conductance')
parser.add_argument('--gmin',
type=float,
default=0.000000333,
help='minimum cell conductance')
parser.add_argument('--ir-drop',
action='store_true',
default=False,
help='switch to turn on ir drop analysis')
parser.add_argument('--scaler-dw',
type=float,
default=1,
help='scaler to compress the conductance')
parser.add_argument('--test',
action='store_true',
default=False,
help='switch to turn inference mode')
parser.add_argument('--enable_noise',
action='store_true',
default=False,
help='switch to turn on noise analysis')
parser.add_argument('--enable_SAF',
action='store_true',
default=False,
help='switch to turn on SAF analysis')
parser.add_argument('--enable_ec-SAF',
action='store_true',
default=False,
help='switch to turn on SAF error correction')
parser.add_argument('--freq',
type=float,
default=10e6,
help='scaler to compress the conductance')
parser.add_argument('--temp',
type=float,
default=300,
help='scaler to compress the conductance')
args = parser.parse_args()
print("+++", args)
# Train the network on the training data
# Test the network on the test data
use_cuda = not args.no_cuda and torch.cuda.is_available()
torch.manual_seed(args.seed)
device = torch.device("cuda" if use_cuda else "cpu")
print(device)
# net = alexnet(args.pretrained, args.resume, num_classes=10, structure=args.model_structure)
# create model
crxb_cfg = {
'crxb_size': args.crxb_size,
'gmax': args.gmax,
'gmin': args.gmin,
'gwire': args.gwire,
'gload': args.gload,
'vdd': args.vdd,
'ir_drop': args.ir_drop,
'device': device,
'freq': args.freq,
'temp': args.temp,
'enable_SAF': args.enable_SAF,
'enable_noise': args.enable_noise,
'enable_ec_SAF': args.enable_ec_SAF,
'quantize': 64
}
if args.model_type == 'VGG16':
net = model.VGG16()
elif args.model_type == 'cifar10' or args.model_type == 'VGG8':
net = model.cifar10(n_channel=128, physical=0, **crxb_cfg)
elif args.model_type == 'alexnet':
net = model.alexnet(num_classes=10, structure=args.model_structure)
elif args.model_type == 'resnet18':
net = model.resnet18()
else:
net = model.cifar10(n_channel=128, physical=True, **crxb_cfg)
if torch.cuda.device_count() > 1:
print("Let's use", torch.cuda.device_count(), "GPUs!")
net = nn.DataParallel(net)
net.to(device)
# for param in net.parameters():
# param = nn.init.normal_(param)
# config
milestones = list(map(int, args.decreasing_lr.split(',')))
print(milestones)
# optimizer = optim.SGD(net.parameters(), lr=lr, momentum=MOMENTUM, weight_decay=WEIGHT_DECAY) # not good enough 68%
optimizer = optim.Adam(net.parameters(), lr=args.lr, weight_decay=args.wd)
scheduler = lr_scheduler.MultiStepLR(optimizer,
milestones=milestones,
gamma=args.gamma)
# optionlly resume from a checkpoint
if args.resume:
print("=> using pre-trained model '{}'".format(args.model_type))
else:
print("=> creating model '{}'".format(args.model_type))
global best_prec1
# if args.resume:
# if os.path.isfile(args.resume):
# print("=> loading checkpoint '{}'".format(args.resume))
# checkpoint = torch.load(args.resume)
# args.start_epoch = checkpoint['epoch']
# best_prec1 = checkpoint['best_prec1']
# net.load_state_dict(checkpoint['state_dict'])
# optimizer.load_state_dict(checkpoint['optimizer'])
# print("=> loaded checkpoint '{}' (epoch {})".format(args.resume, checkpoint['epoch']))
# else:
# print("=> no checkpoint found at '{}'".format(args.resume))
# Data loading
kwargs = {
'num_workers': args.workers,
'pin_memory': True
} if use_cuda else {}
trainloader, valloader, testloader = getcifar(args, 'pad', 4, True, 32,
True, **kwargs)
print(len(trainloader), len(valloader), len(testloader))
print('\r\n1!!!model_dict')
model_dict = net.state_dict()
print(model_dict.keys(), "\r\n2!!!model parameters")
parm = {}
for name, parameters in net.named_parameters():
print(name)
print('\r\n3!!!pretrained_dict')
checkpoint = torch.load(args.resume)
# print(type(checkpoint),'\r\n!!!')
# print(checkpoint.keys(),'\r\n!!!')
pretrained_dict = checkpoint['state_dict']
print(pretrained_dict.keys(), '\r\n4!!!new_dict')
import re
new_dict = {}
for k, v in pretrained_dict.items():
if k not in model_dict:
bn_detect = re.match(
r'module\.features\.(1|4|8|11|15|18|22)\.(running_mean|num_batches_tracked|running_var)',
k)
if bn_detect:
k = 'module.features.{}.bn.{}'.format(bn_detect.group(1),
bn_detect.group(2))
print(k)
new_dict[k] = v
else:
pass
else:
new_dict[k] = v
print(new_dict.keys(), '\r\n5!!!')
print([k for k, v in new_dict.items() if k not in model_dict], '\r\n')
print([k for k, v in model_dict.items() if k not in new_dict])
# print('net buffers')
# print([n for n,v in net.named_buffers()], '\r\n !!!ideal_buffer')
ideal_buffer = torch.load("../models/cifar10_crxb_ideal_VGG8_0_final.pth")
# buffer_list = [k for k, v in ideal_buffer['state_dict'].items() if k not in new_dict]
for k, v in ideal_buffer['state_dict'].items():
if k not in new_dict:
new_dict[k] = v
print("\r\ncheck:", new_dict.keys() == model_dict.keys())
model_dict.update(new_dict)
# model_dict.update(ideal_buffer['state_dict'])
net.load_state_dict(model_dict)
# print('vvv')
# print([k for k,v in ideal_buffer['state_dict'].items() if k not in model_dict])
# net.load_state_dict(ideal_buffer['state_dict'])
test(args, net, device, testloader)
def main(args=None):
parser = argparse.ArgumentParser(
description='Simple training script for training a RetinaNet network.')
parser.add_argument('--dataset',
help='Dataset type, must be one of csv or coco.',
default="csv")
parser.add_argument('--coco_path', help='Path to COCO directory')
parser.add_argument(
'--csv_train',
help='Path to file containing training annotations (see readme)')
parser.add_argument('--csv_classes',
help='Path to file containing class list (see readme)',
default="binary_class.csv")
parser.add_argument(
'--csv_val',
help=
'Path to file containing validation annotations (optional, see readme)'
)
parser.add_argument(
'--depth',
help='Resnet depth, must be one of 18, 34, 50, 101, 152',
type=int,
default=18)
parser.add_argument('--epochs',
help='Number of epochs',
type=int,
default=500)
parser.add_argument('--epochs_only_det',
help='Number of epochs to train detection part',
type=int,
default=1)
parser.add_argument('--max_epochs_no_improvement',
help='Max epochs without improvement',
type=int,
default=100)
parser.add_argument('--pretrained_model',
help='Path of .pt file with pretrained model',
default='esposallescsv_retinanet_0.pt')
parser.add_argument('--model_out',
help='Path of .pt file with trained model to save',
default='trained')
parser.add_argument('--score_threshold',
help='Score above which boxes are kept',
type=float,
default=0.5)
parser.add_argument('--nms_threshold',
help='Score above which boxes are kept',
type=float,
default=0.2)
parser.add_argument('--max_boxes',
help='Max boxes to be fed to recognition',
default=95)
parser.add_argument('--seg_level',
help='[line, word], to choose anchor aspect ratio',
default='word')
parser.add_argument(
'--early_stop_crit',
help='Early stop criterion, detection (map) or transcription (cer)',
default='cer')
parser.add_argument('--max_iters_epoch',
help='Max steps per epoch (for debugging)',
default=1000000)
parser.add_argument('--train_htr',
help='Train recognition or not',
default='True')
parser.add_argument('--train_det',
help='Train detection or not',
default='True')
parser.add_argument(
'--binary_classifier',
help=
'Wether to use classification branch as binary or not, multiclass instead.',
default='False')
parser.add_argument(
'--htr_gt_box',
help='Train recognition branch with box gt (for debugging)',
default='False')
parser.add_argument(
'--ner_branch',
help='Train named entity recognition with separate branch',
default='False')
parser = parser.parse_args(args)
if parser.dataset == 'csv':
if parser.csv_train is None:
raise ValueError('Must provide --csv_train')
dataset_name = parser.csv_train.split("/")[-2]
dataset_train = CSVDataset(train_file=parser.csv_train,
class_list=parser.csv_classes,
transform=transforms.Compose(
[Normalizer(),
Augmenter(),
Resizer()]))
if parser.csv_val is None:
dataset_val = None
print('No validation annotations provided.')
else:
dataset_val = CSVDataset(train_file=parser.csv_val,
class_list=parser.csv_classes,
transform=transforms.Compose(
[Normalizer(),
Resizer()]))
else:
raise ValueError(
'Dataset type not understood (must be csv or coco), exiting.')
# Files for training log
experiment_id = str(time.time()).split('.')[0]
valid_cer_f = open('trained_models/' + parser.model_out + 'log.txt', 'w')
for arg in vars(parser):
if getattr(parser, arg) is not None:
valid_cer_f.write(
str(arg) + ' ' + str(getattr(parser, arg)) + '\n')
current_commit = subprocess.check_output(['git', 'rev-parse', 'HEAD'])
valid_cer_f.write(str(current_commit))
valid_cer_f.write(
"epoch_num cer best cer mAP best mAP time\n")
valid_cer_f.close()
sampler = AspectRatioBasedSampler(dataset_train,
batch_size=1,
drop_last=False)
dataloader_train = DataLoader(dataset_train,
num_workers=3,
collate_fn=collater,
batch_sampler=sampler)
if dataset_val is not None:
sampler_val = AspectRatioBasedSampler(dataset_val,
batch_size=1,
drop_last=False)
dataloader_val = DataLoader(dataset_val,
num_workers=0,
collate_fn=collater,
batch_sampler=sampler_val)
if not os.path.exists('trained_models'):
os.mkdir('trained_models')
# Create the model
train_htr = parser.train_htr == 'True'
htr_gt_box = parser.htr_gt_box == 'True'
ner_branch = parser.ner_branch == 'True'
binary_classifier = parser.binary_classifier == 'True'
torch.backends.cudnn.benchmark = False
alphabet = dataset_train.alphabet
if os.path.exists(parser.pretrained_model):
retinanet = torch.load(parser.pretrained_model)
retinanet.classificationModel = ClassificationModel(
num_features_in=256,
num_anchors=retinanet.anchors.num_anchors,
num_classes=dataset_train.num_classes())
if ner_branch:
retinanet.nerModel = NERModel(
feature_size=256,
pool_h=retinanet.pool_h,
n_classes=dataset_train.num_classes(),
pool_w=retinanet.pool_w)
else:
if parser.depth == 18:
retinanet = model.resnet18(num_classes=dataset_train.num_classes(),
pretrained=True,
max_boxes=int(parser.max_boxes),
score_threshold=float(
parser.score_threshold),
seg_level=parser.seg_level,
alphabet=alphabet,
train_htr=train_htr,
htr_gt_box=htr_gt_box,
ner_branch=ner_branch,
binary_classifier=binary_classifier)
elif parser.depth == 34:
retinanet = model.resnet34(num_classes=dataset_train.num_classes(),
pretrained=True,
max_boxes=int(parser.max_boxes),
score_threshold=float(
parser.score_threshold),
seg_level=parser.seg_level,
alphabet=alphabet,
train_htr=train_htr,
htr_gt_box=htr_gt_box)
elif parser.depth == 50:
retinanet = model.resnet50(num_classes=dataset_train.num_classes(),
pretrained=True)
elif parser.depth == 101:
retinanet = model.resnet101(
num_classes=dataset_train.num_classes(), pretrained=True)
elif parser.depth == 152:
retinanet = model.resnet152(
num_classes=dataset_train.num_classes(), pretrained=True)
else:
raise ValueError(
'Unsupported model depth, must be one of 18, 34, 50, 101, 152')
use_gpu = True
train_htr = parser.train_htr == 'True'
train_det = parser.train_det == 'True'
retinanet.htr_gt_box = parser.htr_gt_box == 'True'
retinanet.train_htr = train_htr
retinanet.epochs_only_det = parser.epochs_only_det
if use_gpu:
retinanet = retinanet.cuda()
retinanet = torch.nn.DataParallel(retinanet).cuda()
retinanet.training = True
optimizer = optim.Adam(retinanet.parameters(), lr=1e-4)
scheduler = optim.lr_scheduler.ReduceLROnPlateau(optimizer,
patience=50,
verbose=True)
loss_hist = collections.deque(maxlen=500)
ctc = CTCLoss()
retinanet.train()
retinanet.module.freeze_bn()
best_cer = 1000
best_map = 0
epochs_no_improvement = 0
verbose_each = 20
optimize_each = 1
objective = 100
best_objective = 10000
print(('Num training images: {}'.format(len(dataset_train))))
for epoch_num in range(parser.epochs):
cers = []
retinanet.training = True
retinanet.train()
retinanet.module.freeze_bn()
epoch_loss = []
for iter_num, data in enumerate(dataloader_train):
if iter_num > int(parser.max_iters_epoch): break
try:
if iter_num % optimize_each == 0:
optimizer.zero_grad()
(classification_loss, regression_loss, ctc_loss,
ner_loss) = retinanet([
data['img'].cuda().float(), data['annot'], ctc, epoch_num
])
classification_loss = classification_loss.mean()
regression_loss = regression_loss.mean()
if train_det:
if train_htr:
loss = ctc_loss + classification_loss + regression_loss + ner_loss
else:
loss = classification_loss + regression_loss + ner_loss
elif train_htr:
loss = ctc_loss
else:
continue
if bool(loss == 0):
continue
loss.backward()
torch.nn.utils.clip_grad_norm_(retinanet.parameters(), 0.1)
if iter_num % verbose_each == 0:
print((
'Epoch: {} | Step: {} |Classification loss: {:1.5f} | Regression loss: {:1.5f} | CTC loss: {:1.5f} | NER loss: {:1.5f} | Running loss: {:1.5f} | Total loss: {:1.5f}\r'
.format(epoch_num, iter_num,
float(classification_loss),
float(regression_loss), float(ctc_loss),
float(ner_loss), np.mean(loss_hist),
float(loss), "\r")))
optimizer.step()
loss_hist.append(float(loss))
epoch_loss.append(float(loss))
torch.cuda.empty_cache()
except Exception as e:
print(e)
continue
if parser.dataset == 'csv' and parser.csv_val is not None and train_det:
print('Evaluating dataset')
mAP, text_mAP, current_cer = csv_eval.evaluate(
dataset_val, retinanet, score_threshold=parser.score_threshold)
#text_mAP,_ = csv_eval_binary_map.evaluate(dataset_val, retinanet,score_threshold=parser.score_threshold)
objective = current_cer * (1 - mAP)
retinanet.eval()
retinanet.training = False
retinanet.score_threshold = float(parser.score_threshold)
'''for idx,data in enumerate(dataloader_val):
if idx>int(parser.max_iters_epoch): break
print("Eval CER on validation set:",idx,"/",len(dataset_val),"\r")
image_name = dataset_val.image_names[idx].split('/')[-1].split('.')[-2]
#generate_pagexml(image_name,data,retinanet,parser.score_threshold,parser.nms_threshold,dataset_val)
text_gt =".".join(dataset_val.image_names[idx].split('.')[:-1])+'.txt'
f =open(text_gt,'r')
text_gt_lines=f.readlines()[0]
transcript_pred = get_transcript(image_name,data,retinanet,float(parser.score_threshold),float(parser.nms_threshold),dataset_val,alphabet)
cers.append(float(editdistance.eval(transcript_pred,text_gt_lines))/len(text_gt_lines))'''
t = str(time.time()).split('.')[0]
valid_cer_f.close()
#print("GT",text_gt_lines)
#print("PREDS SAMPLE:",transcript_pred)
if parser.early_stop_crit == 'cer':
if float(objective) < float(
best_objective): #float(current_cer)<float(best_cer):
best_cer = current_cer
best_objective = objective
epochs_no_improvement = 0
torch.save(
retinanet.module, 'trained_models/' + parser.model_out +
'{}_retinanet.pt'.format(parser.dataset))
else:
epochs_no_improvement += 1
if mAP > best_map:
best_map = mAP
elif parser.early_stop_crit == 'map':
if mAP > best_map:
best_map = mAP
epochs_no_improvement = 0
torch.save(
retinanet.module, 'trained_models/' + parser.model_out +
'{}_retinanet.pt'.format(parser.dataset))
else:
epochs_no_improvement += 1
if float(current_cer) < float(best_cer):
best_cer = current_cer
if train_det:
print(epoch_num, "mAP: ", mAP, " best mAP", best_map)
if train_htr:
print("VALID CER:", current_cer, "best CER", best_cer)
print("Epochs no improvement:", epochs_no_improvement)
valid_cer_f = open('trained_models/' + parser.model_out + 'log.txt',
'a')
valid_cer_f.write(
str(epoch_num) + " " + str(current_cer) + " " + str(best_cer) +
' ' + str(mAP) + ' ' + str(best_map) + ' ' + str(text_mAP) + '\n')
if epochs_no_improvement > 3:
for param_group in optimizer.param_groups:
if param_group['lr'] > 10e-5:
param_group['lr'] *= 0.1
if epochs_no_improvement >= parser.max_epochs_no_improvement:
print("TRAINING FINISHED AT EPOCH", epoch_num, ".")
sys.exit()
scheduler.step(np.mean(epoch_loss))
torch.cuda.empty_cache()
retinanet.eval()
def main(args=None):
parser = argparse.ArgumentParser(
description="Simple training script for training a RetinaNet network.")
parser.add_argument(
"--dataset", help="Dataset type, must be one of csv or coco or ycb.")
parser.add_argument("--path", help="Path to dataset directory")
parser.add_argument(
"--csv_train",
help="Path to file containing training annotations (see readme)")
parser.add_argument("--csv_classes",
help="Path to file containing class list (see readme)")
parser.add_argument("--csv_val",
help="Path to file containing validation annotations "
"(optional, see readme)")
parser.add_argument(
"--depth",
help="Resnet depth, must be one of 18, 34, 50, 101, 152",
type=int,
default=50)
parser.add_argument("--epochs",
help="Number of epochs",
type=int,
default=100)
parser.add_argument("--evaluate_every", default=20, type=int)
parser.add_argument("--print_every", default=20, type=int)
parser.add_argument('--distributed',
action="store_true",
help='Run model in distributed mode with DataParallel')
parser = parser.parse_args(args)
# Create the data loaders
if parser.dataset == "coco":
if parser.path is None:
raise ValueError(
"Must provide --path when training on non-CSV datasets")
dataset_train = CocoDataset(parser.path,
ann_file="instances_train2014.json",
set_name="train2014",
transform=transforms.Compose([
Normalizer(),
Augmenter(),
Resizer(min_side=512, max_side=512)
]))
dataset_val = CocoDataset(parser.path,
ann_file="instances_val2014.cars.json",
set_name="val2014",
transform=transforms.Compose(
[Normalizer(), Resizer()]))
elif parser.dataset == "ycb":
dataset_train = YCBDataset(parser.path,
"image_sets/train.txt",
transform=transforms.Compose([
Normalizer(),
Augmenter(),
Resizer(min_side=512, max_side=512)
]),
train=True)
dataset_val = YCBDataset(parser.path,
"image_sets/val.txt",
transform=transforms.Compose(
[Normalizer(), Resizer()]),
train=False)
elif parser.dataset == "csv":
if parser.csv_train is None:
raise ValueError("Must provide --csv_train when training on COCO,")
if parser.csv_classes is None:
raise ValueError(
"Must provide --csv_classes when training on COCO,")
dataset_train = CSVDataset(train_file=parser.csv_train,
class_list=parser.csv_classes,
transform=transforms.Compose(
[Normalizer(),
Augmenter(),
Resizer()]))
if parser.csv_val is None:
dataset_val = None
print("No validation annotations provided.")
else:
dataset_val = CSVDataset(train_file=parser.csv_val,
class_list=parser.csv_classes,
transform=transforms.Compose(
[Normalizer(),
Resizer()]))
else:
raise ValueError(
"Dataset type not understood (must be csv or coco), exiting.")
sampler = AspectRatioBasedSampler(dataset_train,
batch_size=12,
drop_last=False)
dataloader_train = DataLoader(dataset_train,
num_workers=8,
collate_fn=collater,
batch_sampler=sampler)
if dataset_val is not None:
sampler_val = AspectRatioBasedSampler(dataset_val,
batch_size=1,
drop_last=False)
dataloader_val = DataLoader(dataset_val,
num_workers=4,
collate_fn=collater,
batch_sampler=sampler_val)
# Create the model
if parser.depth == 18:
retinanet = model.resnet18(num_classes=dataset_train.num_classes(),
pretrained=True)
elif parser.depth == 34:
retinanet = model.resnet34(num_classes=dataset_train.num_classes(),
pretrained=True)
elif parser.depth == 50:
retinanet = model.resnet50(num_classes=dataset_train.num_classes(),
pretrained=True)
elif parser.depth == 101:
retinanet = model.resnet101(num_classes=dataset_train.num_classes(),
pretrained=True)
elif parser.depth == 152:
retinanet = model.resnet152(num_classes=dataset_train.num_classes(),
pretrained=True)
else:
raise ValueError(
"Unsupported model depth, must be one of 18, 34, 50, 101, 152")
print("CUDA available: {}".format(torch.cuda.is_available()))
if torch.cuda.is_available():
device = "cuda"
else:
device = "cpu"
retinanet = retinanet.to(device)
if parser.distributed:
retinanet = torch.nn.DataParallel(retinanet)
optimizer = optim.Adam(retinanet.parameters(), lr=1e-5)
scheduler = optim.lr_scheduler.ReduceLROnPlateau(optimizer,
patience=3,
verbose=True)
loss_hist = collections.deque(maxlen=500)
print("Num training images: {}".format(len(dataset_train)))
best_mean_avg_prec = 0.0
for epoch_num in range(parser.epochs):
retinanet.train()
retinanet.freeze_bn()
epoch_loss = []
for iter_num, data in enumerate(dataloader_train):
try:
optimizer.zero_grad()
classification_loss, regression_loss = retinanet(
[data["img"].to(device).float(), data["annot"]])
classification_loss = classification_loss.mean()
regression_loss = regression_loss.mean()
loss = classification_loss + regression_loss
if bool(loss == 0):
continue
loss.backward()
torch.nn.utils.clip_grad_norm_(retinanet.parameters(), 0.1)
optimizer.step()
loss_hist.append(float(loss.item()))
epoch_loss.append(float(loss.item()))
if parser.print_every % iter_num == 0:
print("Epoch: {} | Iteration: {}/{} | "
"Classification loss: {:1.5f} | "
"Regression loss: {:1.5f} | "
"Running loss: {:1.5f}".format(
epoch_num, iter_num, len(dataloader_train),
float(classification_loss),
float(regression_loss), np.mean(loss_hist)))
del classification_loss
del regression_loss
except Exception as e:
print(e)
continue
if ((epoch_num + 1) % parser.evaluate_every
== 0) or epoch_num + 1 == parser.epochs:
mAP = 0.0
if parser.dataset == "coco":
print("Evaluating dataset")
mAP = coco_eval.evaluate_coco(dataset_val, retinanet)
else:
print("Evaluating dataset")
AP = eval.evaluate(dataset_val, retinanet)
mAP = np.asarray([x[0] for x in AP.values()]).mean()
print("Val set mAP: ", mAP)
if mAP > best_mean_avg_prec:
best_mean_avg_prec = mAP
torch.save(
retinanet.state_dict(),
"{}_retinanet_best_mean_ap_{}.pt".format(
parser.dataset, epoch_num))
scheduler.step(np.mean(epoch_loss))
retinanet.eval()
torch.save(retinanet.state_dict(), "retinanet_model_final.pt")
def main():
global args, best_sa
args = parser.parse_args()
print(args)
torch.cuda.set_device(int(args.gpu))
os.makedirs(args.save_dir, exist_ok=True)
if args.seed:
setup_seed(args.seed)
if args.task == 'rotation':
print('train for rotation classification')
class_number = 4
else:
print('train for supervised classification')
if args.dataset == 'cifar10':
class_number = 10
elif args.dataset == 'fmnist':
class_number = 10
elif args.dataset == 'cifar100':
class_number = 100
else:
print('error dataset')
assert 0
# prepare dataset
if args.dataset == 'cifar10':
print('training on cifar10 dataset')
model = resnet18(num_classes=class_number)
model.normalize = NormalizeByChannelMeanStd(
mean=[0.4914, 0.4822, 0.4465], std=[0.2470, 0.2435, 0.2616])
train_loader, val_loader, test_loader = cifar10_dataloaders(batch_size= args.batch_size, data_dir =args.data)
elif args.dataset == 'cifar_10_10':
print('training on cifar10 subset')
model = resnet18(num_classes=class_number)
model.normalize = NormalizeByChannelMeanStd(
mean=[0.4914, 0.4822, 0.4465], std=[0.2470, 0.2435, 0.2616])
train_loader, val_loader, test_loader = cifar10_subset_dataloaders(batch_size= args.batch_size, data_dir =args.data)
elif args.dataset == 'cifar100':
model = resnet18(num_classes=class_number)
model.normalize = NormalizeByChannelMeanStd(
mean=[0.5071, 0.4865, 0.4409], std=[0.2673, 0.2564, 0.2762])
train_loader, val_loader, test_loader = cifar100_dataloaders(batch_size= args.batch_size, data_dir =args.data)
elif args.dataset == 'fmnist':
model = resnet18(num_classes=class_number)
model.normalize = NormalizeByChannelMeanStd(
mean=[0.2860], std=[0.3530])
model.conv1 = nn.Conv2d(1, 16, kernel_size=3, stride=1, padding=1, bias=False)
train_loader, val_loader, test_loader = fashionmnist_dataloaders(batch_size= args.batch_size, data_dir =args.data)
else:
print('dataset not support')
model.cuda()
criterion = nn.CrossEntropyLoss()
decreasing_lr = list(map(int, args.decreasing_lr.split(',')))
if args.prune_type == 'lt':
print( 'report lottery tickets setting')
initalization = deepcopy(model.state_dict())
else:
initalization = None
optimizer = torch.optim.SGD(model.parameters(), args.lr,
momentum=args.momentum,
weight_decay=args.weight_decay)
scheduler = torch.optim.lr_scheduler.MultiStepLR(optimizer, milestones=decreasing_lr, gamma=0.1)
if args.resume:
print('resume from checkpoint')
checkpoint = torch.load(args.resume, map_location = torch.device('cuda:'+str(args.gpu)))
best_sa = checkpoint['best_sa']
start_epoch = checkpoint['epoch']
all_result = checkpoint['result']
start_state = checkpoint['state']
if start_state>0:
current_mask = extract_mask(checkpoint['state_dict'])
prune_model_custom(model, current_mask)
check_sparsity(model)
model.load_state_dict(checkpoint['state_dict'])
optimizer.load_state_dict(checkpoint['optimizer'])
scheduler.load_state_dict(checkpoint['scheduler'])
initalization = checkpoint['init_weight']
print('loading state:', start_state)
print('loading from epoch: ',start_epoch, 'best_sa=', best_sa)
else:
all_result = {}
all_result['train'] = []
all_result['test_ta'] = []
all_result['ta'] = []
start_epoch = 0
start_state = 0
print('######################################## Start Standard Training Iterative Pruning ########################################')
print(model.normalize)
for state in range(start_state, args.pruning_times):
print('******************************************')
print('pruning state', state)
print('******************************************')
for epoch in range(start_epoch, args.epochs):
print(optimizer.state_dict()['param_groups'][0]['lr'])
check_sparsity(model)
acc = train(train_loader, model, criterion, optimizer, epoch)
# evaluate on validation set
tacc = validate(val_loader, model, criterion)
# evaluate on test set
test_tacc = validate(test_loader, model, criterion)
scheduler.step()
all_result['train'].append(acc)
all_result['ta'].append(tacc)
all_result['test_ta'].append(test_tacc)
# remember best prec@1 and save checkpoint
is_best_sa = tacc > best_sa
best_sa = max(tacc, best_sa)
save_checkpoint({
'state': state,
'result': all_result,
'epoch': epoch + 1,
'state_dict': model.state_dict(),
'best_sa': best_sa,
'optimizer': optimizer.state_dict(),
'scheduler': scheduler.state_dict(),
'init_weight': initalization
}, is_SA_best=is_best_sa, pruning=state, save_path=args.save_dir)
plt.plot(all_result['train'], label='train_acc')
plt.plot(all_result['ta'], label='val_acc')
plt.plot(all_result['test_ta'], label='test_acc')
plt.legend()
plt.savefig(os.path.join(args.save_dir, str(state)+'net_train.png'))
plt.close()
#report result
check_sparsity(model, True)
print('report best SA={}'.format(best_sa))
all_result = {}
all_result['train'] = []
all_result['test_ta'] = []
all_result['ta'] = []
best_sa = 0
start_epoch = 0
if args.prune_type == 'pt':
print('report loading pretrained weight')
initalization = torch.load(os.path.join(args.save_dir, '0model_SA_best.pth.tar'), map_location = torch.device('cuda:'+str(args.gpu)))['state_dict']
#pruning_model(model, args.rate)
#current_mask = extract_mask(model.state_dict())
#remove_prune(model)
#rewind weight to init
pruning_model(model, args.rate)
check_sparsity(model)
current_mask = torch.load(os.path.join(args.mask_path, '{}checkpoint.pth.tar'.format(state+1)))['state_dict']
remove_prune(model)
#rewind weight to init
model.load_state_dict(initalization)
prune_model_custom(model, current_mask)
check_sparsity(model)
optimizer = torch.optim.SGD(model.parameters(), args.lr,
momentum=args.momentum,
weight_decay=args.weight_decay)
scheduler = torch.optim.lr_scheduler.MultiStepLR(optimizer, milestones=decreasing_lr, gamma=0.1)
def main(args=None):
parser = argparse.ArgumentParser(
description='Simple training script for training a RetinaNet network.')
parser.add_argument('--dataset',
help='Dataset type, must be one of csv or coco.')
parser.add_argument('--coco_path', help='Path to COCO directory')
parser.add_argument(
'--csv_train',
help='Path to file containing training annotations (see readme)')
parser.add_argument('--csv_classes',
help='Path to file containing class list (see readme)')
parser.add_argument(
'--csv_val',
help=
'Path to file containing validation annotations (optional, see readme)'
)
parser.add_argument(
'--depth',
help='Resnet depth, must be one of 18, 34, 50, 101, 152',
type=int,
default=50)
parser.add_argument('--epochs',
help='Number of epochs',
type=int,
default=100)
parser = parser.parse_args(args)
# Create the data loaders
if parser.dataset == 'coco':
if parser.coco_path is None:
raise ValueError('Must provide --coco_path when training on COCO,')
dataset_train = CocoDataset(parser.coco_path,
set_name='train2017',
transform=transforms.Compose(
[Normalizer(),
Augmenter(),
Resizer()]))
dataset_val = CocoDataset(parser.coco_path,
set_name='val2017',
transform=transforms.Compose(
[Normalizer(), Resizer()]))
elif parser.dataset == 'csv':
if parser.csv_train is None:
raise ValueError('Must provide --csv_train when training on COCO,')
if parser.csv_classes is None:
raise ValueError(
'Must provide --csv_classes when training on COCO,')
dataset_train = CSVDataset(train_file=parser.csv_train,
class_list=parser.csv_classes,
transform=transforms.Compose(
[Normalizer(),
Augmenter(),
Resizer()]))
if parser.csv_val is None:
dataset_val = None
print('No validation annotations provided.')
else:
dataset_val = CSVDataset(train_file=parser.csv_val,
class_list=parser.csv_classes,
transform=transforms.Compose(
[Normalizer(),
Resizer()]))
else:
raise ValueError(
'Dataset type not understood (must be csv or coco), exiting.')
sampler = AspectRatioBasedSampler(dataset_train,
batch_size=2,
drop_last=False)
dataloader_train = DataLoader(dataset_train,
num_workers=3,
collate_fn=collater,
batch_sampler=sampler)
if dataset_val is not None:
sampler_val = AspectRatioBasedSampler(dataset_val,
batch_size=1,
drop_last=False)
dataloader_val = DataLoader(dataset_val,
num_workers=3,
collate_fn=collater,
batch_sampler=sampler_val)
# Create the model
if parser.depth == 18:
retinanet = model.resnet18(num_classes=dataset_train.num_classes(),
pretrained=True)
elif parser.depth == 34:
retinanet = model.resnet34(num_classes=dataset_train.num_classes(),
pretrained=True)
elif parser.depth == 50:
retinanet = model.resnet50(num_classes=dataset_train.num_classes(),
pretrained=True)
elif parser.depth == 101:
retinanet = model.resnet101(num_classes=dataset_train.num_classes(),
pretrained=True)
elif parser.depth == 152:
retinanet = model.resnet152(num_classes=dataset_train.num_classes(),
pretrained=True)
else:
raise ValueError(
'Unsupported model depth, must be one of 18, 34, 50, 101, 152')
use_gpu = True
if use_gpu:
retinanet = retinanet.cuda()
retinanet = torch.nn.DataParallel(retinanet).cuda()
retinanet.training = True
optimizer = optim.Adam(retinanet.parameters(), lr=1e-5)
scheduler = optim.lr_scheduler.ReduceLROnPlateau(optimizer,
patience=3,
verbose=True)
loss_hist = collections.deque(maxlen=500)
retinanet.train()
retinanet.module.freeze_bn()
print('Num training images: {}'.format(len(dataset_train)))
for epoch_num in range(parser.epochs):
retinanet.train()
retinanet.module.freeze_bn()
epoch_loss = []
for iter_num, data in enumerate(dataloader_train):
try:
optimizer.zero_grad()
classification_loss, regression_loss = retinanet(
[data['img'].cuda().float(), data['annot']])
classification_loss = classification_loss.mean()
regression_loss = regression_loss.mean()
loss = classification_loss + regression_loss
if bool(loss == 0):
continue
loss.backward()
torch.nn.utils.clip_grad_norm_(retinanet.parameters(), 0.1)
optimizer.step()
loss_hist.append(float(loss))
epoch_loss.append(float(loss))
print(
'Epoch: {} | Iteration: {} | Classification loss: {:1.5f} | Regression loss: {:1.5f} | Running loss: {:1.5f}'
.format(epoch_num, iter_num, float(classification_loss),
float(regression_loss), np.mean(loss_hist)))
del classification_loss
del regression_loss
except Exception as e:
print(e)
continue
if parser.dataset == 'coco':
print('Evaluating dataset')
coco_eval.evaluate_coco(dataset_val, retinanet)
elif parser.dataset == 'csv' and parser.csv_val is not None:
print('Evaluating dataset')
mAP = csv_eval.evaluate(dataset_val, retinanet)
scheduler.step(np.mean(epoch_loss))
torch.save(
retinanet.module,
'{}_retinanet_dilation_{}.pt'.format(parser.dataset, epoch_num))
retinanet.eval()
torch.save(retinanet, 'model_final_dilation.pt'.format(epoch_num))
def main(args=None):
parser = argparse.ArgumentParser(
description='Simple training script for training a RetinaNet network.')
parser.add_argument('--dataset',
help='Dataset type, must be one of csv or coco.')
parser.add_argument('--coco_path', help='Path to COCO directory')
parser.add_argument(
'--csv_train',
help='Path to file containing training annotations (see readme)')
parser.add_argument('--csv_classes',
help='Path to file containing class list (see readme)')
parser.add_argument(
'--csv_val',
help=
'Path to file containing validation annotations (optional, see readme)'
)
parser.add_argument(
'--depth',
help='Resnet depth, must be one of 18, 34, 50, 101, 152',
type=int,
default=50)
parser.add_argument('--epochs',
help='Number of epochs',
type=int,
default=100)
parser.add_argument('--optimizer',
help='[SGD | Adam]',
type=str,
default='SGD')
parser.add_argument('--model', help='Path to model (.pt) file.')
parser = parser.parse_args(args)
# Create the data loaders
print("\n[Phase 1]: Creating DataLoader for {} dataset".format(
parser.dataset))
if parser.dataset == 'coco':
if parser.coco_path is None:
raise ValueError('Must provide --coco_path when training on COCO,')
dataset_train = CocoDataset(parser.coco_path,
set_name='train2014',
transform=transforms.Compose(
[Normalizer(),
Augmenter(),
Resizer()]))
dataset_val = CocoDataset(parser.coco_path,
set_name='val2014',
transform=transforms.Compose(
[Normalizer(), Resizer()]))
elif parser.dataset == 'csv':
if parser.csv_train is None:
raise ValueError('Must provide --csv_train when training on COCO,')
if parser.csv_classes is None:
raise ValueError(
'Must provide --csv_classes when training on COCO,')
dataset_train = CSVDataset(train_file=parser.csv_train,
class_list=parser.csv_classes,
transform=transforms.Compose(
[Normalizer(),
Augmenter(),
Resizer()]))
if parser.csv_val is None:
dataset_val = None
print('No validation annotations provided.')
else:
dataset_val = CSVDataset(train_file=parser.csv_val,
class_list=parser.csv_classes,
transform=transforms.Compose(
[Normalizer(),
Resizer()]))
else:
raise ValueError(
'Dataset type not understood (must be csv or coco), exiting.')
sampler = AspectRatioBasedSampler(dataset_train,
batch_size=8,
drop_last=False)
dataloader_train = DataLoader(dataset_train,
num_workers=8,
collate_fn=collater,
batch_sampler=sampler)
if dataset_val is not None:
sampler_val = AspectRatioBasedSampler(dataset_val,
batch_size=16,
drop_last=False)
dataloader_val = DataLoader(dataset_val,
num_workers=8,
collate_fn=collater,
batch_sampler=sampler_val)
# Create the model
if parser.depth == 18:
retinanet = model.resnet18(num_classes=dataset_train.num_classes(),
pretrained=True)
elif parser.depth == 34:
retinanet = model.resnet34(num_classes=dataset_train.num_classes(),
pretrained=True)
elif parser.depth == 50:
retinanet = model.resnet50(num_classes=dataset_train.num_classes(),
pretrained=True)
elif parser.depth == 101:
retinanet = model.resnet101(num_classes=dataset_train.num_classes(),
pretrained=True)
elif parser.depth == 152:
retinanet = model.resnet152(num_classes=dataset_train.num_classes(),
pretrained=True)
else:
raise ValueError(
'Unsupported model depth, must be one of 18, 34, 50, 101, 152')
print('| Num training images: {}'.format(len(dataset_train)))
print('| Num test images : {}'.format(len(dataset_val)))
print("\n[Phase 2]: Preparing RetinaNet Detection Model...")
use_gpu = torch.cuda.is_available()
if use_gpu:
device = torch.device('cuda')
retinanet = retinanet.to(device)
retinanet = torch.nn.DataParallel(retinanet,
device_ids=range(
torch.cuda.device_count()))
print("| Using %d GPUs for Train/Validation!" % torch.cuda.device_count())
retinanet.training = True
if parser.optimizer == 'Adam':
optimizer = optim.Adam(retinanet.parameters(),
lr=1e-5) # not mentioned
print("| Adam Optimizer with Learning Rate = {}".format(1e-5))
elif parser.optimizer == 'SGD':
optimizer = optim.SGD(retinanet.parameters(),
lr=1e-2,
momentum=0.9,
weight_decay=1e-4)
print("| SGD Optimizer with Learning Rate = {}".format(1e-2))
else:
raise ValueError('Unsupported Optimizer, must be one of [SGD | Adam]')
scheduler = optim.lr_scheduler.ReduceLROnPlateau(optimizer,
patience=3,
verbose=True)
loss_hist = collections.deque(maxlen=500)
retinanet.train()
retinanet.module.freeze_bn(
) # Freeze the BN parameters to ImageNet configuration
# Check if there is a 'checkpoints' path
if not osp.exists('./checkpoints/'):
os.makedirs('./checkpoints/')
print("\n[Phase 3]: Training Model on {} dataset...".format(
parser.dataset))
for epoch_num in range(parser.epochs):
epoch_loss = []
for iter_num, data in enumerate(dataloader_train):
try:
optimizer.zero_grad()
classification_loss, regression_loss = retinanet(
[data['img'].to(device), data['annot']])
classification_loss = classification_loss.mean()
regression_loss = regression_loss.mean()
loss = classification_loss + regression_loss
if bool(loss == 0):
continue
loss.backward()
torch.nn.utils.clip_grad_norm_(retinanet.parameters(), 0.001)
optimizer.step()
loss_hist.append(float(loss))
epoch_loss.append(float(loss))
sys.stdout.write('\r')
sys.stdout.write(
'| Epoch: {} | Iteration: {}/{} | Classification loss: {:1.5f} | Regression loss: {:1.5f} | Running loss: {:1.5f}'
.format(epoch_num + 1, iter_num + 1, len(dataloader_train),
float(classification_loss), float(regression_loss),
np.mean(loss_hist)))
sys.stdout.flush()
del classification_loss
del regression_loss
except Exception as e:
print(e)
continue
print("\n| Saving current best model at epoch {}...".format(epoch_num +
1))
torch.save(
retinanet.state_dict(),
'./checkpoints/{}_retinanet_{}.pt'.format(parser.dataset,
epoch_num + 1))
if parser.dataset == 'coco':
#print('Evaluating dataset')
coco_eval.evaluate_coco(dataset_val, retinanet, device)
elif parser.dataset == 'csv' and parser.csv_val is not None:
#print('Evaluating dataset')
mAP = csv_eval.evaluate(dataset_val, retinanet, device)
scheduler.step(np.mean(epoch_loss))
retinanet.eval()
torch.save(retinanet.state_dict(), './checkpoints/model_final.pt')
