def get_EDSR():
edsr = EDSR(args)
save_path = "../../checkpoints/edsr/edsr_baseline_x2-1bc95232.pt"
load_stat = torch.load(save_path)
edsr.load_state_dict(load_stat)
return edsr
def eval_path(args):
if not os.path.exists(args.outputs_dir):
os.makedirs(args.outputs_dir)
np.random.seed(args.seed)
torch.manual_seed(args.seed)
torch.cuda.manual_seed(args.seed)
cudnn.benchmark = True
device_ids = list(range(args.gpus))
model = EDSR(args)
model = nn.DataParallel(model, device_ids=device_ids)
model = model.cuda()
if args.resume:
if os.path.isdir(args.resume):
#获取目录中最后一个
pth_list = sorted(glob(os.path.join(args.resume, '*.pth')))
if len(pth_list) > 0:
args.resume = pth_list[-1]
if os.path.isfile(args.resume):
print("=> loading checkpoint '{}'".format(args.resume))
checkpoint = torch.load(args.resume)
state_dict = checkpoint['state_dict']
new_state_dict = OrderedDict()
for k, v in state_dict.items():
namekey = 'module.' + k # remove `module.`
new_state_dict[namekey] = v
model.load_state_dict(new_state_dict)
else:
print("=> no checkpoint found at '{}'".format(args.resume))
model.eval()
file_names = sorted(os.listdir(args.test_lr))
lr_list = []
for one in file_names:
dst_dir = os.path.join(args.outputs_dir, one)
if os.path.exists(dst_dir) and len(os.listdir(dst_dir)) == 100:
continue
lr_tmp = sorted(glob(os.path.join(args.test_lr, one, '*.png')))
lr_list.extend(lr_tmp)
data_set = EvalDataset(lr_list)
eval_loader = DataLoader(data_set,
batch_size=args.batch_size,
num_workers=args.workers)
with tqdm(total=(len(data_set) - len(data_set) % args.batch_size)) as t:
for data in eval_loader:
inputs, names = data
inputs = inputs.cuda()
with torch.no_grad():
outputs = model(inputs).data.float().cpu().clamp_(0,
255).numpy()
for img, file in zip(outputs, names):
img = np.transpose(img[[2, 1, 0], :, :], (1, 2, 0))
img = img.round()
arr = file.split('/')
dst_dir = os.path.join(args.outputs_dir, arr[-2])
if not os.path.exists(dst_dir):
os.makedirs(dst_dir)
dst_name = os.path.join(dst_dir, arr[-1])
cv2.imwrite(dst_name, img)
t.update(len(names))
def main():
global opt, model
if opt.cuda:
print("=> use gpu id: '{}'".format(opt.gpus))
os.environ["CUDA_VISIBLE_DEVICES"] = str(opt.gpus)
if not torch.cuda.is_available():
raise Exception(
"No GPU found or Wrong gpu id, please run without --cuda")
opt.seed = random.randint(1, 10000)
print("Random Seed: ", opt.seed)
torch.manual_seed(opt.seed)
if opt.cuda:
torch.cuda.manual_seed(opt.seed)
cudnn.benchmark = True
scale = int(args.scale[0])
print("===> Loading datasets")
opt.n_train = 400
loader = data.Data(opt)
opt_high = copy.deepcopy(opt)
opt_high.offset_train = 400
opt_high.n_train = 400
loader_high = data.Data(opt_high)
training_data_loader = loader.loader_train
training_high_loader = loader_high.loader_train
test_data_loader = loader.loader_test
print("===> Building model")
GLR = _NetG_DOWN(stride=2)
GHR = EDSR(args)
GDN = _NetG_DOWN(stride=1)
DLR = _NetD(stride=1)
DHR = _NetD(stride=2)
GNO = _NetG_DOWN(stride=1)
Loaded = torch.load(
'../experiment/model/EDSR_baseline_x{}.pt'.format(scale))
GHR.load_state_dict(Loaded)
model = nn.ModuleList()
model.append(GDN) #DN
model.append(GHR)
model.append(GLR) #LR
model.append(DLR)
model.append(DHR)
model.append(GNO) #
cudnn.benchmark = True
print("===> Setting GPU")
if opt.cuda:
model = model.cuda()
optG = torch.optim.Adam(
list(model[0].parameters()) + list(model[1].parameters()) +
list(model[2].parameters()) + list(model[5].parameters()),
lr=opt.lr,
weight_decay=0)
optD = torch.optim.Adam(list(model[3].parameters()) +
list(model[4].parameters()),
lr=opt.lr,
weight_decay=0)
# optionally resume from a checkpoint
opt.resume = 'model_total_{}.pth'.format(scale)
if opt.resume:
if os.path.isfile(opt.resume):
print("=> loading checkpoint '{}'".format(opt.resume))
checkpoint = torch.load(opt.resume)
opt.start_epoch = checkpoint["epoch"] + 1
optG.load_state_dict(checkpoint['optimizer'][0])
optD.load_state_dict(checkpoint['optimizer'][1])
model.load_state_dict(checkpoint["model"].state_dict())
else:
print("=> no checkpoint found at '{}'".format(opt.resume))
# opt.start_epoch = 401
step = 2 if opt.start_epoch > opt.epochs else 1
# model.load_state_dict(torch.load('backup.pt'))
optimizer = [optG, optD]
# print("===> Setting Optimizer")
if opt.test_only:
print('===> Testing')
test(test_data_loader, model, opt.start_epoch)
return
if step == 1:
print("===> Training Step 1.")
for epoch in range(opt.start_epoch, opt.epochs + 1):
train(training_data_loader, training_high_loader, model, optimizer,
epoch, False)
save_checkpoint(model, optimizer, epoch, scale)
test(test_data_loader, model, epoch)
torch.save(model.state_dict(), 'backup.pt')
elif step == 2:
print("===> Training Step 2.")
opt.lr = 1e-4
for epoch in range(opt.start_epoch + 1, opt.epochs * 2 + 1):
train(training_data_loader, training_high_loader, model, optimizer,
epoch, True)
save_checkpoint(model, optimizer, epoch, scale)
test(test_data_loader, model, epoch)
def main():
global opt, model
if opt.cuda:
print("=> use gpu id: '{}'".format(opt.gpus))
os.environ["CUDA_VISIBLE_DEVICES"] = str(opt.gpus)
if not torch.cuda.is_available():
raise Exception(
"No GPU found or Wrong gpu id, please run without --cuda")
opt.seed = random.randint(1, 10000)
print("Random Seed: ", opt.seed)
torch.manual_seed(opt.seed)
if opt.cuda:
torch.cuda.manual_seed(opt.seed)
cudnn.benchmark = True
scale = int(args.scale[0])
print("===> Loading datasets")
opt.n_train = 400
loader = data.Data(opt)
opt_high = copy.deepcopy(opt)
opt_high.offset_train = 400
opt_high.n_train = 400
loader_high = data.Data(opt_high)
training_data_loader = loader.loader_train
training_high_loader = loader_high.loader_train
test_data_loader = loader.loader_test
print("===> Building model")
GLR = _NetG_DOWN(stride=2) #EDSR(args)
GHR = EDSR(
args) #_NetG_UP()#Generator(G_input_dim, num_filters, G_output_dim)
GDN = _NetG_DOWN(stride=1) #EDSR(args)
DLR = _NetD(
stride=1
) # True)# _NetD(3)#Generator(G_input_dim, num_filters, G_output_dim)
DHR = _NetD(stride=2) #Generator(G_input_dim, num_filters, G_output_dim)
GNO = _NetG_DOWN(stride=1) #EDSR(args)
Loaded = torch.load(
'../experiment/model/EDSR_baseline_x{}.pt'.format(scale))
GHR.load_state_dict(Loaded)
model = nn.ModuleList()
model.append(GDN) #DN
model.append(GHR)
model.append(GLR) #LR
model.append(DLR)
model.append(DHR)
model.append(GNO) #
print(model)
cudnn.benchmark = True
# optionally resume from a checkpoint
opt.resume = 'model_total_{}.pth'.format(scale)
if opt.resume:
if os.path.isfile(opt.resume):
print("=> loading checkpoint '{}'".format(opt.resume))
checkpoint = torch.load(opt.resume)
opt.start_epoch = checkpoint["epoch"] + 1
model.load_state_dict(checkpoint["model"].state_dict())
else:
print("=> no checkpoint found at '{}'".format(opt.resume))
# model[4] = _NetD_(4, True)#, True, 4)
print("===> Setting GPU")
if opt.cuda:
model = model.cuda()
print("===> Setting Optimizer")
# optimizer = optim.Adam(model.parameters(), lr=opt.lr)#, momentum=opt.momentum, weight_decay=opt.weight_decay)
if opt.test_only:
print('===> Testing')
test(test_data_loader, model, opt.start_epoch)
return
print("===> Training Step 1.")
for epoch in range(opt.start_epoch, opt.epochs + 1):
train(training_data_loader, training_high_loader, model, epoch, False)
save_checkpoint(model, epoch, scale)
test(test_data_loader, model, epoch)
print("===> Training Step 2.")
opt.lr = 1e-4
for epoch in range(opt.start_epoch, opt.epochs + 1):
train(training_data_loader, training_high_loader, model, epoch, True)
save_checkpoint(model, epoch, scale)
test(test_data_loader, model, epoch)
def main(args):
print("===> Loading datasets")
file_name = sorted(os.listdir(args.data_lr))
lr_list = []
hr_list = []
for one in file_name:
lr_tmp = sorted(glob(os.path.join(args.data_lr, one, '*.png')))
lr_list.extend(lr_tmp)
hr_tmp = sorted(glob(os.path.join(args.data_hr, one, '*.png')))
if len(hr_tmp) != 100:
print(one)
hr_list.extend(hr_tmp)
# lr_list = glob(os.path.join(args.data_lr, '*'))
# hr_list = glob(os.path.join(args.data_hr, '*'))
# lr_list = lr_list[0:max_index]
# hr_list = hr_list[0:max_index]
data_set = DatasetLoader(lr_list, hr_list, args.patch_size, args.scale)
data_len = len(data_set)
train_loader = DataLoader(data_set,
batch_size=args.batch_size,
num_workers=args.workers,
shuffle=True,
pin_memory=True,
drop_last=True)
print("===> Building model")
np.random.seed(args.seed)
torch.manual_seed(args.seed)
torch.cuda.manual_seed(args.seed)
cudnn.benchmark = True
device_ids = list(range(args.gpus))
model = EDSR(args)
criterion = nn.L1Loss(reduction='sum')
print("===> Setting GPU")
model = nn.DataParallel(model, device_ids=device_ids)
model = model.cuda()
criterion = criterion.cuda()
start_epoch = args.start_epoch
# optionally resume from a checkpoint
if args.resume:
if os.path.isdir(args.resume):
#获取目录中最后一个
pth_list = sorted(glob(os.path.join(args.resume, '*.pth')))
if len(pth_list) > 0:
args.resume = pth_list[-1]
if os.path.isfile(args.resume):
print("=> loading checkpoint '{}'".format(args.resume))
checkpoint = torch.load(args.resume)
start_epoch = checkpoint['epoch'] + 1
state_dict = checkpoint['state_dict']
new_state_dict = OrderedDict()
for k, v in state_dict.items():
namekey = 'module.' + k # remove `module.`
new_state_dict[namekey] = v
model.load_state_dict(new_state_dict)
#如果文件中有lr，则不用启动参数
args.lr = checkpoint.get('lr', args.lr)
if args.start_epoch != 0:
#如果设置了 start_epoch 则不用checkpoint中的epoch参数
start_epoch = args.start_epoch
print("===> Setting Optimizer")
optimizer = optim.Adam(filter(lambda p: p.requires_grad,
model.parameters()),
lr=args.lr,
weight_decay=args.weight_decay,
betas=(0.9, 0.999),
eps=1e-08)
# record = []
print("===> Training")
for epoch in range(start_epoch, args.epochs):
adjust_lr(optimizer, epoch)
losses, psnrs = one_epoch_train_logger(model, optimizer, criterion,
data_len, train_loader, epoch,
args.epochs, args.batch_size,
optimizer.param_groups[0]["lr"])
# lr = optimizer.param_groups[0]["lr"]
# the_lr = 1e-2
# lr_len = 2
# while lr + (1e-9) < the_lr:
# the_lr *= 0.1
# lr_len += 1
# record.append([losses.avg,psnrs.avg,lr_len])
# save model
# if epoch+1 != args.epochs:
# continue
model_out_path = os.path.join(
args.checkpoint, "model_epoch_%04d_edsr_loss_%.3f_psnr_%.3f.pth" %
(epoch, losses.avg, psnrs.avg))
if not os.path.exists(args.checkpoint):
os.makedirs(args.checkpoint)
torch.save(
{
'state_dict': model.module.state_dict(),
"epoch": epoch,
'lr': optimizer.param_groups[0]["lr"]
}, model_out_path)