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sup.py
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sup.py
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import copy
import os
import random
from datetime import datetime
import torch.nn.functional as F
from batchgenerators.utilities.file_and_folder_operations import *
from dataset.acdc_graph import ACDC
from dataset.chd import CHD, chd_sg_sup_collate
from dataset.hvsmr import HVSMR
from dataset.mmwhs import MMWHS
from experiment_log import PytorchExperimentLogger
from lr_scheduler import LR_Scheduler
from metrics import SegmentationMetric
from myconfig import get_config
# from network.unet2d import UNet2D
from network.dynamic_graph_unet2d import GraphUnetV5
from torch.utils.tensorboard import SummaryWriter
from utils import *
def get_kwargs_model(args):
model_kwargs = vars(copy.deepcopy(args))
model_kwargs.pop('initial_filter_size')
model_kwargs.pop('classes')
return model_kwargs
def run(fold, writer, args):
maybe_mkdir_p(os.path.join(args.save_path, 'cross_val_'+str(fold)))
logger = PytorchExperimentLogger(os.path.join(
args.save_path, 'cross_val_'+str(fold)), "elog", ShowTerminal=True)
# setup cuda
args.device = torch.device(
args.device if torch.cuda.is_available() else "cpu")
logger.print(f"the model will run on device:{args.device}")
torch.manual_seed(args.seed)
if 'cuda' in str(args.device):
torch.cuda.manual_seed_all(args.seed)
logger.print(f"starting training for cross validation fold {fold} ...")
model_result_dir = join(args.save_path, 'cross_val_'+str(fold), 'model')
maybe_mkdir_p(model_result_dir)
args.model_result_dir = model_result_dir
# create model
logger.print("creating model ...")
# model = UNet2D(in_channels=1, initial_filter_size=args.initial_filter_size, kernel_size=3, classes=args.classes, do_instancenorm=True)
model_kwargs = get_kwargs_model(args)
model = GraphUnetV5(in_channels=1,
initial_filter_size=args.initial_filter_size,
kernel_size=3, classes=args.classes,
do_instancenorm=True, **model_kwargs)
if args.restart:
logger.print('loading from saved model ' + args.pretrained_model_path)
dict = torch.load(args.pretrained_model_path,
map_location=lambda storage, loc: storage)
save_model = dict["net"]
model_dict = model.state_dict()
# we only need to load the parameters of the encoder
state_dict = {
k: v
for k, v in save_model.items()
if k.startswith('encoder')
}
model_dict.update(state_dict)
model.load_state_dict(model_dict)
# load superglue
# dict = torch.load('/workspace/src/gcl_1/results/contrast_chd_pcl_2023-04-22_21-16-16/model/latest.pth',
# map_location=lambda storage, loc: storage)
# save_model = dict["net"]
# model_dict = model.state_dict()
# # we only need to load the parameters of the encoder
# state_dict = {
# k: v
# for k, v in save_model.items()
# if 'superglue' in k
# }
# model_dict.update(state_dict)
# model.load_state_dict(model_dict)
model.to(args.device)
num_parameters = sum([l.nelement() for l in model.parameters()])
logger.print(f"number of parameters: {num_parameters}")
if args.dataset == 'chd':
train_keys, val_keys = get_split_chd(os.path.join(
args.data_dir, 'train'), fold, args.cross_vali_num)
# now random sample train_keys
if args.enable_few_data:
random.seed(args.seed)
train_keys = random.sample(list(train_keys), k=args.sampling_k)
logger.print(f'train_keys:{train_keys}')
logger.print(f'val_keys:{val_keys}')
train_dataset = CHD(keys=train_keys, purpose='train', args=args)
validate_dataset = CHD(keys=val_keys, purpose='val', args=args)
elif args.dataset == 'mmwhs':
train_keys, val_keys = get_split_mmwhs(fold, args.cross_vali_num)
if args.enable_few_data:
random.seed(args.seed)
train_keys = random.sample(list(train_keys), k=args.sampling_k)
logger.print(f'train_keys:{train_keys}')
train_dataset = MMWHS(keys=train_keys, purpose='val', args=args)
logger.print('training data dir '+train_dataset.data_dir)
validate_dataset = MMWHS(keys=val_keys, purpose='val', args=args)
elif args.dataset == 'acdc':
train_keys, val_keys = get_split_acdc(fold, args.cross_vali_num)
if args.enable_few_data:
random.seed(args.seed)
train_keys = random.sample(list(train_keys), k=args.sampling_k)
logger.print(f'train_keys:{train_keys}')
logger.print(f'val_keys:{val_keys}')
train_dataset = ACDC(keys=train_keys, purpose='train', args=args)
validate_dataset = ACDC(keys=val_keys, purpose='val', args=args)
elif args.dataset == 'hvsmr':
train_keys, val_keys = get_split_hvsmr(fold, args.cross_vali_num)
if args.enable_few_data:
random.seed(args.seed)
train_keys = random.sample(list(train_keys), k=args.sampling_k)
logger.print(f'train_keys:{train_keys}')
logger.print(f'val_keys:{val_keys}')
train_dataset = HVSMR(keys=train_keys, purpose='train', args=args)
validate_dataset = HVSMR(keys=val_keys, purpose='val', args=args)
train_loader = torch.utils.data.DataLoader(
train_dataset, batch_size=args.batch_size, shuffle=True,
num_workers=args.num_works, drop_last=False,
collate_fn=chd_sg_sup_collate
)
validate_loader = torch.utils.data.DataLoader(
validate_dataset, batch_size=args.batch_size, shuffle=False,
num_workers=args.num_works, drop_last=False,
collate_fn=chd_sg_sup_collate
)
criterion = torch.nn.CrossEntropyLoss()
optimizer = torch.optim.Adam(filter(
lambda p: p.requires_grad, model.parameters()), lr=args.lr, weight_decay=1e-5
)
'''finetuen option'''
# params_to_optimize = list(model.superglue.parameters()) + \
# list(model.feature_mlp.parameters()) + \
# list(model.diffusion_cnn.parameters()) + \
# list(model.decoder.expand_1_1.parameters()) + \
# list(model.decoder.expand_1_2.parameters()) + \
# list(model.decoder.head.parameters()) + \
# list(model.head.parameters())
# optimizer = torch.optim.Adam(
# params_to_optimize,
# lr=args.lr, weight_decay=1e-5
# )
scheduler = LR_Scheduler(args.lr_scheduler, args.lr,
args.epochs, len(train_loader), min_lr=args.min_lr)
best_dice = 0
for epoch in range(args.epochs):
# val_dice = validate(validate_loader, model, epoch, logger, args)
# logger.print('Epoch: {0}\t'
# 'Validation Dice {val_dice:.4f} \t'
# .format(epoch, val_dice=val_dice))
# train for one epoch
train_loss, train_dice = train(
train_loader, model, criterion, epoch, optimizer, scheduler,
logger, args)
writer.add_scalar('training_loss_fold'+str(fold), train_loss, epoch)
writer.add_scalar('training_dice_fold'+str(fold), train_dice, epoch)
writer.add_scalar('learning_rate_fold'+str(fold),
optimizer.param_groups[0]['lr'], epoch)
# val_dice = validate(validate_loader, model, epoch, logger, args)
if (epoch % 2 == 0):
# evaluate for one epoch
val_dice = validate(validate_loader, model, epoch, logger, args)
logger.print('Epoch: {0}\t'
'Training Loss {train_loss:.4f} \t'
'Validation Dice {val_dice:.4f} \t'
.format(epoch, train_loss=train_loss, val_dice=val_dice))
if best_dice < val_dice:
best_dice = val_dice
save_dict = {"net": model.state_dict()}
torch.save(save_dict, os.path.join(
args.model_result_dir, "best.pth"))
writer.add_scalar('validate_dice_fold'+str(fold), val_dice, epoch)
writer.add_scalar('best_dice_fold'+str(fold), best_dice, epoch)
# save model
save_dict = {"net": model.state_dict()}
torch.save(save_dict, os.path.join(
args.model_result_dir, "latest.pth"))
# if args.debug_mode:
# break
logger.print(datetime.now().strftime('%Y-%m-%d_%H-%M-%S'))
def train(data_loader, model, criterion, epoch, optimizer, scheduler, logger, args, step=5):
model.train()
metric_val = SegmentationMetric(args.classes)
metric_val.reset()
graph_metric_val = SegmentationMetric(args.classes)
graph_metric_val.reset()
losses = AverageMeter()
for batch_idx, tup in enumerate(data_loader):
img, label, keypoints, keypoints_label, nimg, nkp = tup
image_var = img.float().to(args.device)
label = label.long().to(args.device)
keypoints = keypoints.float().to(args.device)
keypoints_label = keypoints_label.long().to(args.device)
nimg = nimg.float().to(args.device)
nkp = nkp.float().to(args.device)
scheduler(optimizer, batch_idx, epoch)
x_out, graph_out = model(
image_var, keypoints
)
loss_1 = criterion(x_out, label.squeeze(dim=1))
# loss_2 = criterion(graph_out, keypoints_label.squeeze(dim=1))
loss = loss_1
losses.update(loss_1.item(), image_var.size(0))
optimizer.zero_grad()
loss.backward()
optimizer.step()
# Do softmax
x_out = F.softmax(x_out, dim=1)
# graph_out = F.softmax(graph_out, dim=1)
metric_val.update(label.long().squeeze(dim=1), x_out)
# graph_metric_val.update(
# keypoints_label.long().squeeze(dim=1), graph_out
# )
_, _, Dice = metric_val.get()
_, _, graph_Dice = graph_metric_val.get()
logger.print(
f"Training epoch:{epoch:4d}, batch:{batch_idx:4d}/{len(data_loader)}, lr:{optimizer.param_groups[0]['lr']:.6f}, loss:{losses.avg:.4f}, pixel / graph Dice:{Dice:.4f} / {graph_Dice:.4f}")
if args.debug_mode:
break
# if batch_idx > step:
# break
pixAcc, mIoU, mDice = metric_val.get()
return losses.avg, mDice
def validate(data_loader, model, epoch, logger, args):
model.eval()
metric_val = SegmentationMetric(args.classes)
metric_val.reset()
graph_metric_val = SegmentationMetric(args.classes)
graph_metric_val.reset()
with torch.no_grad():
for batch_idx, tup in enumerate(data_loader):
img, label, keypoints, keypoints_label, nimg, nkp = tup
image_var = img.float().to(args.device)
label = label.long().to(args.device)
keypoints = keypoints.float().to(args.device)
keypoints_label = keypoints_label.long().to(args.device)
nimg = nimg.float().to(args.device)
nkp = nkp.float().to(args.device)
# x_out, graph_out = model(image_var, keypoints, nimg, nkp)
x_out, graph_out = model(image_var, keypoints)
x_out = F.softmax(x_out, dim=1)
# graph_out = F.softmax(graph_out, dim=1)
metric_val.update(label.long().squeeze(dim=1), x_out)
# graph_metric_val.update(
# keypoints_label.long().squeeze(dim=1), graph_out)
pixAcc, mIoU, Dice = metric_val.get()
_, _, graph_Dice = graph_metric_val.get()
logger.print(
f"Validation epoch:{epoch:4d}, batch:{batch_idx:4d}/{len(data_loader)}, pixel / graph Dice:{Dice:.04f} / {graph_Dice:.04f}")
if args.debug_mode:
break
pixAcc, mIoU, Dice = metric_val.get()
return Dice
if __name__ == '__main__':
# initialize config
args = get_config()
if args.save == '':
args.save = datetime.now().strftime('%Y-%m-%d_%H-%M-%S')
args.save_path = os.path.join(
args.results_dir, args.experiment_name + args.save)
if not os.path.exists(args.save_path):
os.makedirs(args.save_path)
writer = SummaryWriter(os.path.join(
args.runs_dir, args.experiment_name + args.save))
for i in range(0, args.cross_vali_num):
if i == args.fold:
run(i, writer, args)