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import torch
import torch.nn as nn
import torch.nn.functional as F
import torch.backends.cudnn as cudnn
import torchvision.transforms.functional as TF
import numpy as np
import os
import math
import random
import logging
import logging.handlers
from matplotlib import pyplot as plt
from scipy.ndimage import zoom
import SimpleITK as sitk
from medpy import metric
def set_seed(seed):
# for hash
os.environ['PYTHONHASHSEED'] = str(seed)
# for python and numpy
random.seed(seed)
np.random.seed(seed)
# for cpu gpu
torch.manual_seed(seed)
torch.cuda.manual_seed(seed)
torch.cuda.manual_seed_all(seed)
# for cudnn
cudnn.benchmark = False
cudnn.deterministic = True
def get_logger(name, log_dir):
'''
Args:
name(str): name of logger
log_dir(str): path of log
'''
if not os.path.exists(log_dir):
os.makedirs(log_dir)
logger = logging.getLogger(name)
logger.setLevel(logging.INFO)
info_name = os.path.join(log_dir, '{}.info.log'.format(name))
info_handler = logging.handlers.TimedRotatingFileHandler(info_name,
when='D',
encoding='utf-8')
info_handler.setLevel(logging.INFO)
formatter = logging.Formatter('%(asctime)s - %(message)s',
datefmt='%Y-%m-%d %H:%M:%S')
info_handler.setFormatter(formatter)
logger.addHandler(info_handler)
return logger
def log_config_info(config, logger):
config_dict = config.__dict__
log_info = f'#----------Config info----------#'
logger.info(log_info)
for k, v in config_dict.items():
if k[0] == '_':
continue
else:
log_info = f'{k}: {v},'
logger.info(log_info)
def get_optimizer(config, model):
assert config.opt in ['Adadelta', 'Adagrad', 'Adam', 'AdamW', 'Adamax', 'ASGD', 'RMSprop', 'Rprop', 'SGD'], 'Unsupported optimizer!'
if config.opt == 'Adadelta':
return torch.optim.Adadelta(
model.parameters(),
lr = config.lr,
rho = config.rho,
eps = config.eps,
weight_decay = config.weight_decay
)
elif config.opt == 'Adagrad':
return torch.optim.Adagrad(
model.parameters(),
lr = config.lr,
lr_decay = config.lr_decay,
eps = config.eps,
weight_decay = config.weight_decay
)
elif config.opt == 'Adam':
return torch.optim.Adam(
model.parameters(),
lr = config.lr,
betas = config.betas,
eps = config.eps,