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test_noise_estimate.py
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test_noise_estimate.py
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import argparse
import torch.nn as nn
from torch.utils.data import DataLoader
from utils.training_util import load_checkpoint
from utils.training_util import calculate_psnr, calculate_ssim
from utils.data_provider import *
from model.KPN_noise_estimate import KPN_noise,Att_KPN_noise,Att_Weight_KPN_noise
from collections import OrderedDict
import torchvision.transforms as transforms
torch.manual_seed(0)
def eval(args):
color = args.color
print('Eval Process......')
burst_length = 8
# print(args.checkpoint)
checkpoint_dir = "checkpoints/" + args.checkpoint
if not os.path.exists(checkpoint_dir) or len(os.listdir(checkpoint_dir)) == 0:
print('There is no any checkpoint file in path:{}'.format(checkpoint_dir))
# the path for saving eval images
eval_dir = "eval_img"
if not os.path.exists(eval_dir):
os.mkdir(eval_dir)
# dataset and dataloader
data_set = MultiLoader(noise_dir=args.noise_dir,gt_dir=args.gt_dir,image_size=args.image_size)
data_loader = DataLoader(
data_set,
batch_size=1,
shuffle=False,
num_workers=args.num_workers
)
# model here
if args.model_type == "attKPN":
model = Att_KPN_noise(
color=color,
burst_length=burst_length,
blind_est=False,
kernel_size=[5],
sep_conv=False,
channel_att=True,
spatial_att=True,
upMode="bilinear",
core_bias=False
)
elif args.model_type == "attWKPN":
model = Att_Weight_KPN_noise(
color=color,
burst_length=burst_length,
blind_est=False,
kernel_size=[5],
sep_conv=False,
channel_att=True,
spatial_att=True,
upMode="bilinear",
core_bias=False
)
elif args.model_type == "KPN":
model = KPN_noise(
color=color,
burst_length=burst_length,
blind_est=False,
kernel_size=[5],
sep_conv=False,
channel_att=False,
spatial_att=False,
upMode="bilinear",
core_bias=False
)
else:
print(" Model type not valid")
return
if args.cuda:
model = model.cuda()
if args.mGPU:
model = nn.DataParallel(model)
# load trained model
ckpt = load_checkpoint(checkpoint_dir,cuda=args.cuda,best_or_latest=args.load_type)
state_dict = ckpt['state_dict']
if not args.mGPU:
new_state_dict = OrderedDict()
if not args.cuda:
for k, v in state_dict.items():
name = k[7:] # remove `module.`
new_state_dict[name] = v
model.load_state_dict(new_state_dict)
else:
model.load_state_dict(ckpt['state_dict'])
print('The model has been loaded from epoch {}, n_iter {}.'.format(ckpt['epoch'], ckpt['global_iter']))
# torch.save(model.state_dict(), "model_state.pth")
# exit(0)
# switch the eval mode
model.eval()
# data_loader = iter(data_loader)
trans = transforms.ToPILImage()
with torch.no_grad():
psnr = 0.0
ssim = 0.0
torch.manual_seed(0)
for i, (burst_noise, gt) in enumerate(data_loader):
if i < 100:
# data = next(data_loader)
if args.cuda:
burst_noise = burst_noise.cuda()
gt = gt.cuda()
pred_i, pred = model(burst_noise)
psnr_t = calculate_psnr(pred, gt)
ssim_t = calculate_ssim(pred, gt)
psnr_noisy = calculate_psnr(burst_noise[:, 0, ...], gt)
psnr += psnr_t
ssim += ssim_t
pred = torch.clamp(pred, 0.0, 1.0)
if args.cuda:
pred = pred.cpu()
gt = gt.cpu()
burst_noise = burst_noise.cpu()
if args.save_img:
trans(burst_noise[0, 0, ...].squeeze()).save(os.path.join(eval_dir, '{}_noisy_{:.2f}dB.png'.format(i, psnr_noisy)), quality=100)
trans(pred.squeeze()).save(os.path.join(eval_dir, '{}_pred_{:.2f}dB.png'.format(i, psnr_t)), quality=100)
trans(gt.squeeze()).save(os.path.join(eval_dir, '{}_gt.png'.format(i)), quality=100)
print('{}-th image is OK, with PSNR: {:.2f} , SSIM: {:.4f}'.format(i, psnr_t, ssim_t))
else:
break
# print('All images are OK, average PSNR: {:.2f}dB, SSIM: {:.4f}'.format(psnr/100, ssim/100))
if __name__ == "__main__":
# argparse
parser = argparse.ArgumentParser(description='parameters for training')
parser.add_argument('--noise_dir', default='/home/dell/Downloads/noise', help='path to noise folder image')
parser.add_argument('--gt_dir',default='/home/dell/Downloads/gt', help='path to gt folder image')
parser.add_argument('--image_size',default=256, type=int, help='size of image')
parser.add_argument('--num_workers', '-nw', default=4, type=int, help='number of workers in data loader')
parser.add_argument('--cuda', '-c', action='store_true', help='whether to train on the GPU')
parser.add_argument('--mGPU', '-m', action='store_true', help='whether to train on multiple GPUs')
parser.add_argument('--checkpoint', '-ckpt', type=str, default='kpn',
help='the checkpoint to eval')
parser.add_argument('--color',default=True, action='store_true')
parser.add_argument('--model_type',default="KPN", help='type of model : KPN, attKPN, attWKPN')
parser.add_argument('--save_img',default=False, action='store_true', help='save image in eval_img folder ')
parser.add_argument('--load_type', "-l" ,default="best", type=str, help='Load type best_or_latest ')
args = parser.parse_args()
#
eval(args)