def cal_metrics(self):
self.metrics['psnr'] = util.calculate_psnr(self.out_dict['dx'],
self.out_dict['y_gt'])
self.metrics['ssim'] = util.calculate_ssim(self.out_dict['dx'],
self.out_dict['y_gt'])
return self.metrics['psnr'], self.metrics['ssim']
def main(json_path='options/val_tsms.json'):
parser = argparse.ArgumentParser()
parser.add_argument('-opt',
type=str,
default=json_path,
help='Path to option JSON file.')
opt = option.parse(parser.parse_args().opt, is_train=True)
logger_name = 'val_msmd_patch'
utils_logger.logger_info(
logger_name, os.path.join(opt['path']['log'], logger_name + '.log'))
logger = logging.getLogger(logger_name)
for phase, dataset_opt in opt['datasets'].items():
test_set = define_Dataset(phase, dataset_opt)
test_loader = DataLoader(test_set,
batch_size=1,
shuffle=False,
num_workers=1,
drop_last=False,
pin_memory=True)
model = define_Model(opt, stage2=True)
model.load()
avg_psnr = 0.0
idx = 0
for test_data in test_loader:
idx += 1
image_name = os.path.basename(test_data['L_path'][0])
image_name = image_name + '.png'
save_img_path = os.path.join(opt['path']['images'], image_name)
model.feed_data(test_data)
model.test()
visuals = model.current_visuals()
E_img = util.tensor2uint(visuals['E'])
#print(E_img.shape)
H_img = util.tensor2uint(visuals['H'])
# -----------------------
# save estimated image E
# -----------------------
util.imsave(E_img, save_img_path)
# -----------------------
# calculate PSNR
# -----------------------
current_psnr = util.calculate_psnr(E_img, H_img, border=4)
logger.info('{:->4d}--> {:>10s} | {:<4.2f}dB'.format(
idx, image_name, current_psnr))
avg_psnr += current_psnr
avg_psnr = avg_psnr / idx
# testing log
message_te = '\tVal_PSNR_avg: {:<.2f}dB'.format(avg_psnr)
logger.info(message_te)
def comp_upto_shift(I1, I2, maxshift=5, border=15, min_interval=0.25):
'''
Args:
I1: estimated image
I2: reference
maxshift: assumed maxshift
border: shave border to calculate PSNR and SSIM
Returns:
PSNR and SSIM
'''
I2 = I2[border:-border,border:-border]
I1 = I1[border-maxshift:-border+maxshift,border-maxshift:-border+maxshift]
N1, N2 = I2.shape[:2]
gx, gy = np.arange(-maxshift, N2+maxshift, 1.0), np.arange(-maxshift, N1+maxshift, 1.0)
shifts = np.linspace(-maxshift, maxshift, int(2*maxshift/min_interval+1))
gx0, gy0 = np.arange(0, N2, 1.0), np.arange(0, N1, 1.0)
ssdem=np.zeros([len(shifts),len(shifts)])
for i in range(len(shifts)):
for j in range(len(shifts)):
gxn = gx0+shifts[i]
gvn = gy0+shifts[j]
if I1.ndim == 2:
tI1 = interp2d(gx, gy, I1)(gxn, gvn)
elif I1.ndim == 3:
tI1 = np.zeros(I2.shape)
for k in range(I1.shape[-1]):
tI1[:,:,k] = interp2d(gx, gy, I1[:,:,k])(gxn, gvn)
ssdem[i,j]=np.sum((tI1-I2)**2)
#util.surf(ssdem)
idxs = np.unravel_index(np.argmin(ssdem), ssdem.shape)
print('shifted pixel is {}x{}'.format(shifts[idxs[0]], shifts[idxs[1]]))
gxn = gx0+shifts[idxs[0]]
gvn = gy0+shifts[idxs[1]]
if I1.ndim == 2:
tI1 = interp2d(gx, gy, I1)(gxn, gvn)
elif I1.ndim == 3:
tI1 = np.zeros(I2.shape)
for k in range(I1.shape[-1]):
tI1[:,:,k] = interp2d(gx, gy, I1[:,:,k])(gxn, gvn)
psnr = util.calculate_psnr(tI1, I2, border=0)
ssim = util.calculate_ssim(tI1, I2, border=0)
return psnr, ssim
# load test image x = util.imread_uint(test_path, n_channels=n_channels) orig_im = x.squeeze() x = util.uint2single(x) np.random.seed(seed=0) # for reproducibility y = x + np.random.normal(0, sigma/255., x.shape) # add gaussian noise y = util.single2tensor4(y) y = y.to(device) # denoise the image to compare PSNR before and after adaptation with torch.no_grad(): x_ = model(y) # compute PSNR denoised_im = util.tensor2uint(x_) prev_psnr = util.calculate_psnr(denoised_im, orig_im, border=0) # external adaptation # open train image x_train = util.imread_uint(train_path, n_channels=n_channels) x_train = util.uint2single(x_train) x_train_comp = util.single2tensor4(x_train) x_train_comp = x_train_comp.to(device) model.train() optimizer = optim.Adam(model.parameters(), lr=lr) # training loop start_time = time.time() for epoch in range(epochs):
def main(json_path='options/train_msrresnet_psnr.json'):
'''
# ----------------------------------------
# Step--1 (prepare opt)
# ----------------------------------------
'''
parser = argparse.ArgumentParser()
parser.add_argument('-opt',
type=str,
default=json_path,
help='Path to option JSON file.')
opt = option.parse(parser.parse_args().opt, is_train=True)
util.mkdirs(
(path for key, path in opt['path'].items() if 'pretrained' not in key))
# ----------------------------------------
# update opt
# ----------------------------------------
# -->-->-->-->-->-->-->-->-->-->-->-->-->-
init_iter, init_path_G = option.find_last_checkpoint(opt['path']['models'],
net_type='G')
opt['path']['pretrained_netG'] = init_path_G
current_step = init_iter
border = opt['scale']
# --<--<--<--<--<--<--<--<--<--<--<--<--<-
# ----------------------------------------
# save opt to a '../option.json' file
# ----------------------------------------
option.save(opt)
# ----------------------------------------
# return None for missing key
# ----------------------------------------
opt = option.dict_to_nonedict(opt)
# ----------------------------------------
# configure logger
# ----------------------------------------
logger_name = 'train'
utils_logger.logger_info(
logger_name, os.path.join(opt['path']['log'], logger_name + '.log'))
logger = logging.getLogger(logger_name)
logger.info(option.dict2str(opt))
# ----------------------------------------
# seed
# ----------------------------------------
seed = opt['train']['manual_seed']
if seed is None:
seed = random.randint(1, 10000)
logger.info('Random seed: {}'.format(seed))
random.seed(seed)
np.random.seed(seed)
torch.manual_seed(seed)
torch.cuda.manual_seed_all(seed)
'''
# ----------------------------------------
# Step--2 (creat dataloader)
# ----------------------------------------
'''
# ----------------------------------------
# 1) create_dataset
# 2) creat_dataloader for train and test
# ----------------------------------------
for phase, dataset_opt in opt['datasets'].items():
if phase == 'train':
train_set = define_Dataset(dataset_opt)
train_size = int(
math.ceil(
len(train_set) / dataset_opt['dataloader_batch_size']))
logger.info('Number of train images: {:,d}, iters: {:,d}'.format(
len(train_set), train_size))
train_loader = DataLoader(
train_set,
batch_size=dataset_opt['dataloader_batch_size'],
shuffle=dataset_opt['dataloader_shuffle'],
num_workers=dataset_opt['dataloader_num_workers'],
drop_last=True,
pin_memory=True)
elif phase == 'test':
test_set = define_Dataset(dataset_opt)
test_loader = DataLoader(test_set,
batch_size=1,
shuffle=False,
num_workers=1,
drop_last=False,
pin_memory=True)
else:
raise NotImplementedError("Phase [%s] is not recognized." % phase)
'''
# ----------------------------------------
# Step--3 (initialize model)
# ----------------------------------------
'''
model = define_Model(opt)
model.init_train()
logger.info(model.info_network())
logger.info(model.info_params())
'''
# ----------------------------------------
# Step--4 (main training)
# ----------------------------------------
'''
for epoch in range(100): # keep running
for i, train_data in enumerate(train_loader):
current_step += 1
# -------------------------------
# 1) update learning rate
# -------------------------------
model.update_learning_rate(current_step)
# -------------------------------
# 2) feed patch pairs
# -------------------------------
model.feed_data(train_data)
# -------------------------------
# 3) optimize parameters
# -------------------------------
model.optimize_parameters(current_step)
# -------------------------------
# 4) training information
# -------------------------------
if current_step % opt['train']['checkpoint_print'] == 0:
logs = model.current_log() # such as loss
message = '<epoch:{:3d}, iter:{:8,d}, lr:{:.3e}> '.format(
epoch, current_step, model.current_learning_rate())
for k, v in logs.items(): # merge log information into message
message += '{:s}: {:.3e} '.format(k, v)
logger.info(message)
# -------------------------------
# 5) save model
# -------------------------------
if current_step % opt['train']['checkpoint_save'] == 0:
logger.info('Saving the model.')
model.save(current_step)
# -------------------------------
# 6) testing
# -------------------------------
if current_step % opt['train']['checkpoint_test'] == 0:
avg_psnr = 0.0
idx = 0
for test_data in test_loader:
idx += 1
image_name_ext = os.path.basename(test_data['L_path'][0])
img_name, ext = os.path.splitext(image_name_ext)
img_dir = os.path.join(opt['path']['images'], img_name)
util.mkdir(img_dir)
model.feed_data(test_data)
model.test()
visuals = model.current_visuals()
E_img = util.tensor2uint(visuals['E'])
H_img = util.tensor2uint(visuals['H'])
# -----------------------
# save estimated image E
# -----------------------
save_img_path = os.path.join(
img_dir,
'{:s}_{:d}.png'.format(img_name, current_step))
util.imsave(E_img, save_img_path)
# -----------------------
# calculate PSNR
# -----------------------
current_psnr = util.calculate_psnr(E_img,
H_img,
border=border)
logger.info('{:->4d}--> {:>10s} | {:<4.2f}dB'.format(
idx, image_name_ext, current_psnr))
avg_psnr += current_psnr
avg_psnr = avg_psnr / idx
# testing log
logger.info(
'<epoch:{:3d}, iter:{:8,d}, Average PSNR : {:<.2f}dB\n'.
format(epoch, current_step, avg_psnr))
logger.info('Saving the final model.')
model.save('latest')
logger.info('End of training.')
def main():
# ----------------------------------------
# Preparation
# ----------------------------------------
noise_level_img = 0 / 255.0 # set AWGN noise level for LR image, default: 0
noise_level_model = noise_level_img # set noise level of model, default: 0
model_name = 'ircnn_color' # set denoiser, 'drunet_color' | 'ircnn_color'
testset_name = 'Set18' # set testing set, 'set18' | 'set24'
x8 = True # set PGSE to boost performance, default: True
iter_num = 40 # set number of iterations, default: 40 for demosaicing
modelSigma1 = 49 # set sigma_1, default: 49
modelSigma2 = max(0.6, noise_level_model * 255.) # set sigma_2, default
matlab_init = True
show_img = False # default: False
save_L = True # save LR image
save_E = True # save estimated image
save_LEH = False # save zoomed LR, E and H images
border = 10 # default 10 for demosaicing
task_current = 'dm' # 'dm' for demosaicing
n_channels = 3 # fixed
model_zoo = 'model_zoo' # fixed
testsets = 'testsets' # fixed
results = 'results' # fixed
result_name = testset_name + '_' + task_current + '_' + model_name
model_path = os.path.join(model_zoo, model_name + '.pth')
device = torch.device('cuda' if torch.cuda.is_available() else 'cpu')
torch.cuda.empty_cache()
# ----------------------------------------
# L_path, E_path, H_path
# ----------------------------------------
L_path = os.path.join(testsets,
testset_name) # L_path, for Low-quality images
E_path = os.path.join(results, result_name) # E_path, for Estimated images
util.mkdir(E_path)
logger_name = result_name
utils_logger.logger_info(logger_name,
log_path=os.path.join(E_path,
logger_name + '.log'))
logger = logging.getLogger(logger_name)
# ----------------------------------------
# load model
# ----------------------------------------
if 'drunet' in model_name:
from models.network_unet import UNetRes as net
model = net(in_nc=n_channels + 1,
out_nc=n_channels,
nc=[64, 128, 256, 512],
nb=4,
act_mode='R',
downsample_mode="strideconv",
upsample_mode="convtranspose")
model.load_state_dict(torch.load(model_path), strict=True)
model.eval()
for _, v in model.named_parameters():
v.requires_grad = False
model = model.to(device)
elif 'ircnn' in model_name:
from models.network_dncnn import IRCNN as net
model = net(in_nc=n_channels, out_nc=n_channels, nc=64)
model25 = torch.load(model_path)
former_idx = 0
logger.info('model_name:{}, image sigma:{:.3f}, model sigma:{:.3f}'.format(
model_name, noise_level_img, noise_level_model))
logger.info('Model path: {:s}'.format(model_path))
logger.info(L_path)
L_paths = util.get_image_paths(L_path)
test_results = OrderedDict()
test_results['psnr'] = []
for idx, img in enumerate(L_paths):
# --------------------------------
# (1) get img_H and img_L
# --------------------------------
idx += 1
img_name, ext = os.path.splitext(os.path.basename(img))
img_H = util.imread_uint(img, n_channels=n_channels)
CFA, CFA4, mosaic, mask = utils_mosaic.mosaic_CFA_Bayer(img_H)
# --------------------------------
# (2) initialize x
# --------------------------------
if matlab_init: # matlab demosaicing for initialization
CFA4 = util.uint2tensor4(CFA4).to(device)
x = utils_mosaic.dm_matlab(CFA4)
else:
x = cv2.cvtColor(CFA, cv2.COLOR_BAYER_BG2RGB_EA)
x = util.uint2tensor4(x).to(device)
img_L = util.tensor2uint(x)
y = util.uint2tensor4(mosaic).to(device)
util.imshow(img_L) if show_img else None
mask = util.single2tensor4(mask.astype(np.float32)).to(device)
# --------------------------------
# (3) get rhos and sigmas
# --------------------------------
rhos, sigmas = pnp.get_rho_sigma(sigma=max(0.255 / 255.,
noise_level_img),
iter_num=iter_num,
modelSigma1=modelSigma1,
modelSigma2=modelSigma2,
w=1.0)
rhos, sigmas = torch.tensor(rhos).to(device), torch.tensor(sigmas).to(
device)
# --------------------------------
# (4) main iterations
# --------------------------------
for i in range(iter_num):
# --------------------------------
# step 1, closed-form solution
# --------------------------------
x = (y + rhos[i].float() * x).div(mask + rhos[i])
# --------------------------------
# step 2, denoiser
# --------------------------------
if 'ircnn' in model_name:
current_idx = np.int(
np.ceil(sigmas[i].cpu().numpy() * 255. / 2.) - 1)
if current_idx != former_idx:
model.load_state_dict(model25[str(current_idx)],
strict=True)
model.eval()
for _, v in model.named_parameters():
v.requires_grad = False
model = model.to(device)
former_idx = current_idx
x = torch.clamp(x, 0, 1)
if x8:
x = util.augment_img_tensor4(x, i % 8)
if 'drunet' in model_name:
x = torch.cat((x, sigmas[i].float().repeat(
1, 1, x.shape[2], x.shape[3])),
dim=1)
x = utils_model.test_mode(model,
x,
mode=2,
refield=32,
min_size=256,
modulo=16)
# x = model(x)
elif 'ircnn' in model_name:
x = model(x)
if x8:
if i % 8 == 3 or i % 8 == 5:
x = util.augment_img_tensor4(x, 8 - i % 8)
else:
x = util.augment_img_tensor4(x, i % 8)
x[mask.to(torch.bool)] = y[mask.to(torch.bool)]
# --------------------------------
# (4) img_E
# --------------------------------
img_E = util.tensor2uint(x)
psnr = util.calculate_psnr(img_E, img_H, border=border)
test_results['psnr'].append(psnr)
logger.info('{:->4d}--> {:>10s} -- PSNR: {:.2f}dB'.format(
idx, img_name + ext, psnr))
if save_E:
util.imsave(
img_E,
os.path.join(E_path, img_name + '_' + model_name + '.png'))
if save_L:
util.imsave(img_L, os.path.join(E_path, img_name + '_L.png'))
if save_LEH:
util.imsave(
np.concatenate([img_L, img_E, img_H], axis=1),
os.path.join(E_path, img_name + model_name + '_LEH.png'))
ave_psnr = sum(test_results['psnr']) / len(test_results['psnr'])
logger.info('------> Average PSNR(RGB) of ({}) is : {:.2f} dB'.format(
testset_name, ave_psnr))
def main():
# ----------------------------------------
# Preparation
# ----------------------------------------
noise_level_img = 0 # default: 0, noise level for LR image
noise_level_model = noise_level_img # noise level for model
model_name = 'srmdnf_x4' # 'srmd_x2' | 'srmd_x3' | 'srmd_x4' | 'srmdnf_x2' | 'srmdnf_x3' | 'srmdnf_x4'
testset_name = 'set5' # test set, 'set5' | 'srbsd68'
sf = [int(s) for s in re.findall(r'\d+', model_name)][0] # scale factor
x8 = False # default: False, x8 to boost performance
need_degradation = True # default: True, use degradation model to generate LR image
show_img = False # default: False
srmd_pca_path = os.path.join('kernels', 'srmd_pca_matlab.mat')
task_current = 'sr' # 'dn' for denoising | 'sr' for super-resolution
n_channels = 3 # fixed
in_nc = 18 if 'nf' in model_name else 19
nc = 128 # fixed, number of channels
nb = 12 # fixed, number of conv layers
model_pool = 'model_zoo' # fixed
testsets = 'testsets' # fixed
results = 'results' # fixed
result_name = testset_name + '_' + model_name
border = sf if task_current == 'sr' else 0 # shave boader to calculate PSNR and SSIM
model_path = os.path.join(model_pool, model_name + '.pth')
# ----------------------------------------
# L_path, E_path, H_path
# ----------------------------------------
L_path = os.path.join(testsets,
testset_name) # L_path, for Low-quality images
H_path = L_path # H_path, for High-quality images
E_path = os.path.join(results, result_name) # E_path, for Estimated images
util.mkdir(E_path)
if H_path == L_path:
need_degradation = True
logger_name = result_name
utils_logger.logger_info(logger_name,
log_path=os.path.join(E_path,
logger_name + '.log'))
logger = logging.getLogger(logger_name)
need_H = True if H_path is not None else False
device = torch.device('cuda' if torch.cuda.is_available() else 'cpu')
# ----------------------------------------
# load model
# ----------------------------------------
from models.network_srmd import SRMD as net
model = net(in_nc=in_nc,
out_nc=n_channels,
nc=nc,
nb=nb,
upscale=sf,
act_mode='R',
upsample_mode='pixelshuffle')
model.load_state_dict(torch.load(model_path), strict=False)
model.eval()
for k, v in model.named_parameters():
v.requires_grad = False
model = model.to(device)
logger.info('Model path: {:s}'.format(model_path))
number_parameters = sum(map(lambda x: x.numel(), model.parameters()))
logger.info('Params number: {}'.format(number_parameters))
test_results = OrderedDict()
test_results['psnr'] = []
test_results['ssim'] = []
test_results['psnr_y'] = []
test_results['ssim_y'] = []
logger.info('model_name:{}, model sigma:{}, image sigma:{}'.format(
model_name, noise_level_img, noise_level_model))
logger.info(L_path)
L_paths = util.get_image_paths(L_path)
H_paths = util.get_image_paths(H_path) if need_H else None
# ----------------------------------------
# kernel and PCA reduced feature
# ----------------------------------------
# kernel = sr.anisotropic_Gaussian(ksize=15, theta=np.pi, l1=4, l2=4)
kernel = utils_deblur.fspecial('gaussian', 15,
0.01) # Gaussian kernel, delta kernel 0.01
P = loadmat(srmd_pca_path)['P']
degradation_vector = np.dot(P, np.reshape(kernel, (-1), order="F"))
if 'nf' not in model_name: # noise-free SR
degradation_vector = np.append(degradation_vector,
noise_level_model / 255.)
degradation_vector = torch.from_numpy(degradation_vector).view(
1, -1, 1, 1).float()
for idx, img in enumerate(L_paths):
# ------------------------------------
# (1) img_L
# ------------------------------------
img_name, ext = os.path.splitext(os.path.basename(img))
# logger.info('{:->4d}--> {:>10s}'.format(idx+1, img_name+ext))
img_L = util.imread_uint(img, n_channels=n_channels)
img_L = util.uint2single(img_L)
# degradation process, blur + bicubic downsampling + Gaussian noise
if need_degradation:
img_L = util.modcrop(img_L, sf)
img_L = sr.srmd_degradation(
img_L, kernel, sf
) # equivalent to bicubic degradation if kernel is a delta kernel
np.random.seed(seed=0) # for reproducibility
img_L += np.random.normal(0, noise_level_img / 255., img_L.shape)
util.imshow(util.single2uint(img_L),
title='LR image with noise level {}'.format(
noise_level_img)) if show_img else None
img_L = util.single2tensor4(img_L)
degradation_map = degradation_vector.repeat(1, 1, img_L.size(-2),
img_L.size(-1))
img_L = torch.cat((img_L, degradation_map), dim=1)
img_L = img_L.to(device)
# ------------------------------------
# (2) img_E
# ------------------------------------
if not x8:
img_E = model(img_L)
else:
img_E = utils_model.test_mode(model, img_L, mode=3, sf=sf)
img_E = util.tensor2uint(img_E)
if need_H:
# --------------------------------
# (3) img_H
# --------------------------------
img_H = util.imread_uint(H_paths[idx], n_channels=n_channels)
img_H = img_H.squeeze()
img_H = util.modcrop(img_H, sf)
# --------------------------------
# PSNR and SSIM
# --------------------------------
psnr = util.calculate_psnr(img_E, img_H, border=border)
ssim = util.calculate_ssim(img_E, img_H, border=border)
test_results['psnr'].append(psnr)
test_results['ssim'].append(ssim)
logger.info('{:s} - PSNR: {:.2f} dB; SSIM: {:.4f}.'.format(
img_name + ext, psnr, ssim))
util.imshow(np.concatenate([img_E, img_H], axis=1),
title='Recovered / Ground-truth') if show_img else None
if np.ndim(img_H) == 3: # RGB image
img_E_y = util.rgb2ycbcr(img_E, only_y=True)
img_H_y = util.rgb2ycbcr(img_H, only_y=True)
psnr_y = util.calculate_psnr(img_E_y, img_H_y, border=border)
ssim_y = util.calculate_ssim(img_E_y, img_H_y, border=border)
test_results['psnr_y'].append(psnr_y)
test_results['ssim_y'].append(ssim_y)
# ------------------------------------
# save results
# ------------------------------------
util.imsave(img_E, os.path.join(E_path, img_name + '.png'))
if need_H:
ave_psnr = sum(test_results['psnr']) / len(test_results['psnr'])
ave_ssim = sum(test_results['ssim']) / len(test_results['ssim'])
logger.info(
'Average PSNR/SSIM(RGB) - {} - x{} --PSNR: {:.2f} dB; SSIM: {:.4f}'
.format(result_name, sf, ave_psnr, ave_ssim))
if np.ndim(img_H) == 3:
ave_psnr_y = sum(test_results['psnr_y']) / len(
test_results['psnr_y'])
ave_ssim_y = sum(test_results['ssim_y']) / len(
test_results['ssim_y'])
logger.info(
'Average PSNR/SSIM( Y ) - {} - x{} - PSNR: {:.2f} dB; SSIM: {:.4f}'
.format(result_name, sf, ave_psnr_y, ave_ssim_y))
def main():
# ----------------------------------------
# Preparation
# ----------------------------------------
model_name = 'usrnet' # 'usrgan' | 'usrnet' | 'usrgan_tiny' | 'usrnet_tiny'
testset_name = 'set5' # test set, 'set5' | 'srbsd68'
test_sf = [4] if 'gan' in model_name else [
2, 3, 4
] # scale factor, from {1,2,3,4}
show_img = False # default: False
save_L = True # save LR image
save_E = True # save estimated image
save_LEH = False # save zoomed LR, E and H images
# ----------------------------------------
# load testing kernels
# ----------------------------------------
# kernels = hdf5storage.loadmat(os.path.join('kernels', 'kernels.mat'))['kernels']
kernels = loadmat(os.path.join('kernels', 'kernels_12.mat'))['kernels']
n_channels = 1 if 'gray' in model_name else 3 # 3 for color image, 1 for grayscale image
model_pool = 'model_zoo' # fixed
testsets = 'testsets' # fixed
results = 'results' # fixed
noise_level_img = 0 # fixed: 0, noise level for LR image
noise_level_model = noise_level_img # fixed, noise level of model, default 0
result_name = testset_name + '_' + model_name
model_path = os.path.join(model_pool, model_name + '.pth')
# ----------------------------------------
# L_path = H_path, E_path, logger
# ----------------------------------------
L_path = os.path.join(
testsets,
testset_name) # L_path and H_path, fixed, for Low-quality images
E_path = os.path.join(results,
result_name) # E_path, fixed, for Estimated images
util.mkdir(E_path)
logger_name = result_name
utils_logger.logger_info(logger_name,
log_path=os.path.join(E_path,
logger_name + '.log'))
logger = logging.getLogger(logger_name)
device = torch.device('cuda' if torch.cuda.is_available() else 'cpu')
# ----------------------------------------
# load model
# ----------------------------------------
if 'tiny' in model_name:
model = net(n_iter=6,
h_nc=32,
in_nc=4,
out_nc=3,
nc=[16, 32, 64, 64],
nb=2,
act_mode="R",
downsample_mode='strideconv',
upsample_mode="convtranspose")
else:
model = net(n_iter=8,
h_nc=64,
in_nc=4,
out_nc=3,
nc=[64, 128, 256, 512],
nb=2,
act_mode="R",
downsample_mode='strideconv',
upsample_mode="convtranspose")
model.load_state_dict(torch.load(model_path), strict=True)
model.eval()
for key, v in model.named_parameters():
v.requires_grad = False
number_parameters = sum(map(lambda x: x.numel(), model.parameters()))
model = model.to(device)
logger.info('Model path: {:s}'.format(model_path))
logger.info('Params number: {}'.format(number_parameters))
logger.info('Model_name:{}, image sigma:{}'.format(model_name,
noise_level_img))
logger.info(L_path)
L_paths = util.get_image_paths(L_path)
# --------------------------------
# read images
# --------------------------------
test_results_ave = OrderedDict()
test_results_ave['psnr_sf_k'] = []
for sf in test_sf:
for k_index in range(kernels.shape[1]):
test_results = OrderedDict()
test_results['psnr'] = []
kernel = kernels[0, k_index].astype(np.float64)
## other kernels
# kernel = utils_deblur.blurkernel_synthesis(h=25) # motion kernel
# kernel = utils_deblur.fspecial('gaussian', 25, 1.6) # Gaussian kernel
# kernel = sr.shift_pixel(kernel, sf) # pixel shift; optional
# kernel /= np.sum(kernel)
util.surf(kernel) if show_img else None
idx = 0
for img in L_paths:
# --------------------------------
# (1) classical degradation, img_L
# --------------------------------
idx += 1
img_name, ext = os.path.splitext(os.path.basename(img))
img_H = util.imread_uint(
img, n_channels=n_channels) # HR image, int8
img_H = util.modcrop(img_H, np.lcm(sf, 8)) # modcrop
# generate degraded LR image
img_L = ndimage.filters.convolve(img_H,
kernel[..., np.newaxis],
mode='wrap') # blur
img_L = sr.downsample_np(
img_L, sf,
center=False) # downsample, standard s-fold downsampler
img_L = util.uint2single(img_L) # uint2single
np.random.seed(seed=0) # for reproducibility
img_L += np.random.normal(0, noise_level_img,
img_L.shape) # add AWGN
util.imshow(util.single2uint(img_L)) if show_img else None
x = util.single2tensor4(img_L)
k = util.single2tensor4(kernel[..., np.newaxis])
sigma = torch.tensor(noise_level_model).float().view(
[1, 1, 1, 1])
[x, k, sigma] = [el.to(device) for el in [x, k, sigma]]
# --------------------------------
# (2) inference
# --------------------------------
x = model(x, k, sf, sigma)
# --------------------------------
# (3) img_E
# --------------------------------
img_E = util.tensor2uint(x)
if save_E:
util.imsave(
img_E,
os.path.join(
E_path, img_name + '_x' + str(sf) + '_k' +
str(k_index + 1) + '_' + model_name + '.png'))
# --------------------------------
# (4) img_LEH
# --------------------------------
img_L = util.single2uint(img_L)
if save_LEH:
k_v = kernel / np.max(kernel) * 1.2
k_v = util.single2uint(
np.tile(k_v[..., np.newaxis], [1, 1, 3]))
k_v = cv2.resize(k_v, (3 * k_v.shape[1], 3 * k_v.shape[0]),
interpolation=cv2.INTER_NEAREST)
img_I = cv2.resize(
img_L, (sf * img_L.shape[1], sf * img_L.shape[0]),
interpolation=cv2.INTER_NEAREST)
img_I[:k_v.shape[0], -k_v.shape[1]:, :] = k_v
img_I[:img_L.shape[0], :img_L.shape[1], :] = img_L
util.imshow(np.concatenate([img_I, img_E, img_H], axis=1),
title='LR / Recovered / Ground-truth'
) if show_img else None
util.imsave(
np.concatenate([img_I, img_E, img_H], axis=1),
os.path.join(
E_path, img_name + '_x' + str(sf) + '_k' +
str(k_index + 1) + '_LEH.png'))
if save_L:
util.imsave(
img_L,
os.path.join(
E_path, img_name + '_x' + str(sf) + '_k' +
str(k_index + 1) + '_LR.png'))
psnr = util.calculate_psnr(
img_E, img_H, border=sf**2) # change with your own border
test_results['psnr'].append(psnr)
logger.info(
'{:->4d}--> {:>10s} -- x{:>2d} --k{:>2d} PSNR: {:.2f}dB'.
format(idx, img_name + ext, sf, k_index, psnr))
ave_psnr_k = sum(test_results['psnr']) / len(test_results['psnr'])
logger.info(
'------> Average PSNR(RGB) of ({}) scale factor: ({}), kernel: ({}) sigma: ({}): {:.2f} dB'
.format(testset_name, sf, k_index + 1, noise_level_model,
ave_psnr_k))
test_results_ave['psnr_sf_k'].append(ave_psnr_k)
logger.info(test_results_ave['psnr_sf_k'])
def main(json_path='options/train_sr.json'):
'''
# ----------------------------------------
# Step--1 (prepare opt)
# ----------------------------------------
'''
parser = argparse.ArgumentParser()
parser.add_argument('-opt',
type=str,
default=json_path,
help='Path to option JSON file.')
opt = option.parse(parser.parse_args().opt, is_train=True)
util.mkdirs(
(path for key, path in opt['path'].items() if 'pretrained' not in key))
# ----------------------------------------
# update opt
# ----------------------------------------
init_iter, init_path_G = option.find_last_checkpoint(opt['path']['models'],
net_type='G1')
opt['path']['pretrained_netG1'] = init_path_G
current_step = init_iter
border = opt['scale']
# ----------------------------------------
# save opt to a '../option.json' file
# ----------------------------------------
option.save(opt)
# ----------------------------------------
# return None for missing key
# ----------------------------------------
opt = option.dict_to_nonedict(opt)
# ----------------------------------------
# configure logger
# ----------------------------------------
logger_name = 'train'
utils_logger.logger_info(
logger_name, os.path.join(opt['path']['log'], logger_name + '.log'))
logger = logging.getLogger(logger_name)
logger.info(option.dict2str(opt))
# ----------------------------------------
# seed
# ----------------------------------------
seed = opt['train']['manual_seed']
if seed is None:
seed = random.randint(1, 10000)
logger.info('Random seed: {}'.format(seed))
random.seed(seed)
np.random.seed(seed)
torch.manual_seed(seed)
torch.cuda.manual_seed_all(seed)
'''
# ----------------------------------------
# Step--2 (creat dataloader)
# ----------------------------------------
'''
# ----------------------------------------
# 1) create_dataset
# 2) creat_dataloader for train and test
# ----------------------------------------
for phase, dataset_opt in opt['datasets'].items():
if phase == 'train':
train_set = define_Dataset(phase, dataset_opt)
train_size = int(
math.ceil(
len(train_set) / dataset_opt['dataloader_batch_size']))
logger.info('Number of train images: {:,d}, iters: {:,d}'.format(
len(train_set), train_size))
train_loader = DataLoader(
train_set,
batch_size=dataset_opt['dataloader_batch_size'],
shuffle=dataset_opt['dataloader_shuffle'],
num_workers=dataset_opt['dataloader_num_workers'],
drop_last=True,
pin_memory=True)
elif phase == 'val':
val_set = define_Dataset(phase, dataset_opt)
val_loader = DataLoader(val_set,
batch_size=1,
shuffle=False,
num_workers=1,
drop_last=False,
pin_memory=True)
else:
raise NotImplementedError("Phase [%s] is not recognized." % phase)
'''
# ----------------------------------------
# Step--3 (model_1)
# ----------------------------------------
'''
model_1 = define_Model(opt, stage1=True)
#logger.info(model_1.info_network())
model_1.init_train()
#logger.info(model_1.info_params())
for epoch in range(100000):
for i, train_data in enumerate(train_loader):
current_step += 1
model_1.update_learning_rate(current_step)
model_1.feed_data(train_data)
model_1.optimize_parameters(current_step)
if current_step % opt['train']['checkpoint_save'] == 0:
# logger.info('Saving the model.')
model_1.save(current_step)
# -------------------------------
# model_1 testing
# -------------------------------
if current_step % opt['train']['checkpoint_test'] == 0:
# training info
logs = model_1.current_log() # such as loss
message_tr = '<epoch:{:3d}, iter:{:8,d}, lr:{:.3e}> '.format(
epoch, current_step, model_1.current_learning_rate())
for k, v in logs.items(): # merge log information into message
message_tr += '\t{:s}: {:.3e}'.format(k, v)
avg_psnr = 0.0
idx = 0
for val_data in val_loader:
idx += 1
model_1.feed_data(val_data)
model_1.test()
visuals = model_1.current_visuals()
E_img = util.tensor2uint(visuals['E'])
H_img = util.tensor2uint(visuals['H'])
# -----------------------
# calculate PSNR
# -----------------------
current_psnr = util.calculate_psnr(E_img,
H_img,
border=border)
avg_psnr += current_psnr
avg_psnr = avg_psnr / idx
# testing log
message_val = '\tStage SR Val_PSNR_avg: {:<.2f}dB'.format(
avg_psnr)
message = message_tr + message_val
logger.info(message)
logger.info('End of Stage SR training.')
def main():
# ----------------------------------------
# Preparation
# ----------------------------------------
model_name = 'usrnet' # 'usrgan' | 'usrnet' | 'usrgan_tiny' | 'usrnet_tiny'
testset_name = 'set5' # test set, 'set5' | 'srbsd68'
need_degradation = True # default: True
sf = 4 # scale factor, only from {2, 3, 4}
show_img = False # default: False
save_L = True # save LR image
save_E = True # save estimated image
# load approximated bicubic kernels
#kernels = hdf5storage.loadmat(os.path.join('kernels', 'kernels_bicubicx234.mat'))['kernels']
kernels = loadmat(os.path.join('kernels',
'kernels_bicubicx234.mat'))['kernels']
kernel = kernels[0, sf - 2].astype(np.float64)
kernel = util.single2tensor4(kernel[..., np.newaxis])
task_current = 'sr' # fixed, 'sr' for super-resolution
n_channels = 3 # fixed, 3 for color image
model_pool = 'model_zoo' # fixed
testsets = 'testsets' # fixed
results = 'results' # fixed
noise_level_img = 0 # fixed: 0, noise level for LR image
noise_level_model = noise_level_img # fixed, noise level of model, default 0
result_name = testset_name + '_' + model_name + '_bicubic'
border = sf if task_current == 'sr' else 0 # shave boader to calculate PSNR and SSIM
model_path = os.path.join(model_pool, model_name + '.pth')
# ----------------------------------------
# L_path, E_path, H_path
# ----------------------------------------
L_path = os.path.join(
testsets, testset_name) # L_path, fixed, for Low-quality images
H_path = L_path # H_path, 'None' | L_path, for High-quality images
E_path = os.path.join(results,
result_name) # E_path, fixed, for Estimated images
util.mkdir(E_path)
if H_path == L_path:
need_degradation = True
logger_name = result_name
utils_logger.logger_info(logger_name,
log_path=os.path.join(E_path,
logger_name + '.log'))
logger = logging.getLogger(logger_name)
need_H = True if H_path is not None else False
device = torch.device('cuda' if torch.cuda.is_available() else 'cpu')
# ----------------------------------------
# load model
# ----------------------------------------
from models.network_usrnet import USRNet as net # for pytorch version <= 1.7.1
# from models.network_usrnet_v1 import USRNet as net # for pytorch version >=1.8.1
if 'tiny' in model_name:
model = net(n_iter=6,
h_nc=32,
in_nc=4,
out_nc=3,
nc=[16, 32, 64, 64],
nb=2,
act_mode="R",
downsample_mode='strideconv',
upsample_mode="convtranspose")
else:
model = net(n_iter=8,
h_nc=64,
in_nc=4,
out_nc=3,
nc=[64, 128, 256, 512],
nb=2,
act_mode="R",
downsample_mode='strideconv',
upsample_mode="convtranspose")
model.load_state_dict(torch.load(model_path), strict=True)
model.eval()
for key, v in model.named_parameters():
v.requires_grad = False
number_parameters = sum(map(lambda x: x.numel(), model.parameters()))
logger.info('Params number: {}'.format(number_parameters))
model = model.to(device)
logger.info('Model path: {:s}'.format(model_path))
test_results = OrderedDict()
test_results['psnr'] = []
test_results['ssim'] = []
test_results['psnr_y'] = []
test_results['ssim_y'] = []
logger.info('model_name:{}, image sigma:{}'.format(model_name,
noise_level_img))
logger.info(L_path)
L_paths = util.get_image_paths(L_path)
H_paths = util.get_image_paths(H_path) if need_H else None
for idx, img in enumerate(L_paths):
# ------------------------------------
# (1) img_L
# ------------------------------------
img_name, ext = os.path.splitext(os.path.basename(img))
logger.info('{:->4d}--> {:>10s}'.format(idx + 1, img_name + ext))
img_L = util.imread_uint(img, n_channels=n_channels)
img_L = util.uint2single(img_L)
# degradation process, bicubic downsampling
if need_degradation:
img_L = util.modcrop(img_L, sf)
img_L = util.imresize_np(img_L, 1 / sf)
# img_L = util.uint2single(util.single2uint(img_L))
# np.random.seed(seed=0) # for reproducibility
# img_L += np.random.normal(0, noise_level_img/255., img_L.shape)
w, h = img_L.shape[:2]
if save_L:
util.imsave(
util.single2uint(img_L),
os.path.join(E_path, img_name + '_LR_x' + str(sf) + '.png'))
img = cv2.resize(img_L, (sf * h, sf * w),
interpolation=cv2.INTER_NEAREST)
img = utils_deblur.wrap_boundary_liu(img, [
int(np.ceil(sf * w / 8 + 2) * 8),
int(np.ceil(sf * h / 8 + 2) * 8)
])
img_wrap = sr.downsample_np(img, sf, center=False)
img_wrap[:w, :h, :] = img_L
img_L = img_wrap
util.imshow(util.single2uint(img_L),
title='LR image with noise level {}'.format(
noise_level_img)) if show_img else None
img_L = util.single2tensor4(img_L)
img_L = img_L.to(device)
# ------------------------------------
# (2) img_E
# ------------------------------------
sigma = torch.tensor(noise_level_model).float().view([1, 1, 1, 1])
[img_L, kernel,
sigma] = [el.to(device) for el in [img_L, kernel, sigma]]
img_E = model(img_L, kernel, sf, sigma)
img_E = util.tensor2uint(img_E)
img_E = img_E[:sf * w, :sf * h, :]
if need_H:
# --------------------------------
# (3) img_H
# --------------------------------
img_H = util.imread_uint(H_paths[idx], n_channels=n_channels)
img_H = img_H.squeeze()
img_H = util.modcrop(img_H, sf)
# --------------------------------
# PSNR and SSIM
# --------------------------------
psnr = util.calculate_psnr(img_E, img_H, border=border)
ssim = util.calculate_ssim(img_E, img_H, border=border)
test_results['psnr'].append(psnr)
test_results['ssim'].append(ssim)
logger.info('{:s} - PSNR: {:.2f} dB; SSIM: {:.4f}.'.format(
img_name + ext, psnr, ssim))
util.imshow(np.concatenate([img_E, img_H], axis=1),
title='Recovered / Ground-truth') if show_img else None
if np.ndim(img_H) == 3: # RGB image
img_E_y = util.rgb2ycbcr(img_E, only_y=True)
img_H_y = util.rgb2ycbcr(img_H, only_y=True)
psnr_y = util.calculate_psnr(img_E_y, img_H_y, border=border)
ssim_y = util.calculate_ssim(img_E_y, img_H_y, border=border)
test_results['psnr_y'].append(psnr_y)
test_results['ssim_y'].append(ssim_y)
# ------------------------------------
# save results
# ------------------------------------
if save_E:
util.imsave(
img_E,
os.path.join(
E_path,
img_name + '_x' + str(sf) + '_' + model_name + '.png'))
if need_H:
ave_psnr = sum(test_results['psnr']) / len(test_results['psnr'])
ave_ssim = sum(test_results['ssim']) / len(test_results['ssim'])
logger.info(
'Average PSNR/SSIM(RGB) - {} - x{} --PSNR: {:.2f} dB; SSIM: {:.4f}'
.format(result_name, sf, ave_psnr, ave_ssim))
if np.ndim(img_H) == 3:
ave_psnr_y = sum(test_results['psnr_y']) / len(
test_results['psnr_y'])
ave_ssim_y = sum(test_results['ssim_y']) / len(
test_results['ssim_y'])
logger.info(
'Average PSNR/SSIM( Y ) - {} - x{} - PSNR: {:.2f} dB; SSIM: {:.4f}'
.format(result_name, sf, ave_psnr_y, ave_ssim_y))
def main():
# --------------------------------
# let's start!
# --------------------------------
utils_logger.logger_info('test_dpsr', log_path='test_dpsr.log')
logger = logging.getLogger('test_dpsr')
# basic setting
# ================================================
sf = 4 # scale factor
noise_level_img = 0 / 255.0 # noise level of low quality image, default 0
noise_level_model = noise_level_img # noise level of model, default 0
show_img = True
use_srganplus = True # 'True' for SRGAN+ (x4) and 'False' for SRResNet+ (x2,x3,x4)
testsets = 'testsets'
testset_current = 'BSD68'
if use_srganplus and sf == 4:
model_prefix = 'DPSRGAN'
save_suffix = 'dpsrgan'
else:
model_prefix = 'DPSR'
save_suffix = 'dpsr'
model_path = os.path.join('DPSR_models', model_prefix + 'x%01d.pth' % (sf))
iter_num = 15 # number of iterations, fixed
n_channels = 3 # only color images, fixed
border = sf**2 # shave boader to calculate PSNR, fixed
# k_type = ('d', 'm', 'g')
k_type = ('m') # motion blur kernel
# ================================================
device = torch.device('cuda' if torch.cuda.is_available() else 'cpu')
# --------------------------------
# load model
# --------------------------------
model = SRResNet(in_nc=4,
out_nc=3,
nc=96,
nb=16,
upscale=sf,
act_mode='R',
upsample_mode='pixelshuffle')
model.load_state_dict(torch.load(model_path), strict=True)
model.eval()
for k, v in model.named_parameters():
v.requires_grad = False
model = model.to(device)
logger.info('Model path {:s}. Testing...'.format(model_path))
# --------------------------------
# read image (img) and kernel (k)
# --------------------------------
test_results = OrderedDict()
for k_type_n in range(len(k_type)):
# --1--> L_folder, folder of Low-quality images
testsubset_current = 'x%01d_%01s' % (sf, k_type[k_type_n])
L_folder = os.path.join(testsets, testset_current, testsubset_current)
# --2--> E_folder, folder of Estimated images
E_folder = os.path.join(testsets, testset_current,
testsubset_current + '_' + save_suffix)
util.mkdir(E_folder)
# --3--> H_folder, folder of High-quality images
H_folder = os.path.join(testsets, testset_current, 'GT')
test_results['psnr_' + k_type[k_type_n]] = []
logger.info(L_folder)
idx = 0
for im in os.listdir(os.path.join(L_folder)):
if im.endswith('.jpg') or im.endswith('.bmp') or im.endswith(
'.png'):
# --------------------------------
# (1) img_L
# --------------------------------
idx += 1
img_name, ext = os.path.splitext(im)
img_L = util.imread_uint(os.path.join(L_folder, im),
n_channels=n_channels)
util.imshow(img_L) if show_img else None
np.random.seed(seed=0) # for reproducibility
img_L = util.unit2single(img_L) + np.random.normal(
0, noise_level_img, img_L.shape)
# --------------------------------
# (2) kernel
# --------------------------------
k = loadmat(os.path.join(L_folder,
img_name + '.mat'))['kernel']
k = k.astype(np.float32)
k /= np.sum(k)
# --------------------------------
# (3) get upperleft, denominator
# --------------------------------
upperleft, denominator = utils_deblur.get_uperleft_denominator(
img_L, k)
# --------------------------------
# (4) get rhos and sigmas
# --------------------------------
rhos, sigmas = utils_deblur.get_rho_sigma(sigma=max(
0.255 / 255., noise_level_model),
iter_num=iter_num)
# --------------------------------
# (5) main iteration
# --------------------------------
z = img_L
rhos = np.float32(rhos)
sigmas = np.float32(sigmas)
for i in range(iter_num):
# --------------------------------
# step 1, Eq. (9) // FFT
# --------------------------------
rho = rhos[i]
if i != 0:
z = util.imresize_np(z, 1 / sf, True)
z = np.real(
np.fft.ifft2(
(upperleft + rho * np.fft.fft2(z, axes=(0, 1))) /
(denominator + rho),
axes=(0, 1)))
# imsave('LR_deblurred_%02d.png'%i, np.clip(z, 0, 1))
# --------------------------------
# step 2, Eq. (12) // super-resolver
# --------------------------------
sigma = torch.from_numpy(np.array(sigmas[i]))
img_L = util.single2tensor4(z)
noise_level_map = torch.ones(
(1, 1, img_L.size(2), img_L.size(3)),
dtype=torch.float).mul_(sigma)
img_L = torch.cat((img_L, noise_level_map), dim=1)
img_L = img_L.to(device)
# with torch.no_grad():
z = model(img_L)
z = util.tensor2single(z)
# --------------------------------
# (6) img_E
# --------------------------------
img_E = util.single2uint(z) # np.uint8((z * 255.0).round())
# --------------------------------
# (7) img_H
# --------------------------------
img_H = util.imread_uint(os.path.join(H_folder,
img_name[:7] + '.png'),
n_channels=n_channels)
util.imshow(
np.concatenate([img_E, img_H], axis=1),
title='Recovered / Ground-truth') if show_img else None
psnr = util.calculate_psnr(img_E, img_H, border=border)
logger.info('{:->4d}--> {:>10s}, {:.2f}dB'.format(
idx, im, psnr))
test_results['psnr_' + k_type[k_type_n]].append(psnr)
util.imsave(img_E, os.path.join(E_folder, img_name + ext))
ave_psnr = sum(test_results['psnr_' + k_type[k_type_n]]) / len(
test_results['psnr_' + k_type[k_type_n]])
logger.info(
'------> Average PSNR(RGB) of ({} - {}) is : {:.2f} dB'.format(
testset_current, testsubset_current, ave_psnr))
def main():
# ----------------------------------------
# Preparation
# ----------------------------------------
noise_level_img = 0/255.0 # set AWGN noise level for LR image, default: 0,
noise_level_model = noise_level_img # setnoise level of model, default 0
model_name = 'drunet_color' # set denoiser, | 'drunet_color' | 'ircnn_gray' | 'drunet_gray' | 'ircnn_color'
testset_name = 'srbsd68' # set test set, 'set5' | 'srbsd68'
x8 = True # default: False, x8 to boost performance
test_sf = [2] # set scale factor, default: [2, 3, 4], [2], [3], [4]
iter_num = 24 # set number of iterations, default: 24 for SISR
modelSigma1 = 49 # set sigma_1, default: 49
classical_degradation = True # set classical degradation or bicubic degradation
show_img = False # default: False
save_L = True # save LR image
save_E = True # save estimated image
save_LEH = False # save zoomed LR, E and H images
task_current = 'sr' # 'sr' for super-resolution
n_channels = 1 if 'gray' in model_name else 3 # fixed
model_zoo = 'model_zoo' # fixed
testsets = 'testsets' # fixed
results = 'results' # fixed
result_name = testset_name + '_' + task_current + '_' + model_name
model_path = os.path.join(model_zoo, model_name+'.pth')
device = torch.device('cuda' if torch.cuda.is_available() else 'cpu')
torch.cuda.empty_cache()
# ----------------------------------------
# L_path, E_path, H_path
# ----------------------------------------
L_path = os.path.join(testsets, testset_name) # L_path, for Low-quality images
E_path = os.path.join(results, result_name) # E_path, for Estimated images
util.mkdir(E_path)
logger_name = result_name
utils_logger.logger_info(logger_name, log_path=os.path.join(E_path, logger_name+'.log'))
logger = logging.getLogger(logger_name)
# ----------------------------------------
# load model
# ----------------------------------------
if 'drunet' in model_name:
from models.network_unet import UNetRes as net
model = net(in_nc=n_channels+1, out_nc=n_channels, nc=[64, 128, 256, 512], nb=4, act_mode='R', downsample_mode="strideconv", upsample_mode="convtranspose")
model.load_state_dict(torch.load(model_path), strict=True)
model.eval()
for _, v in model.named_parameters():
v.requires_grad = False
model = model.to(device)
elif 'ircnn' in model_name:
from models.network_dncnn import IRCNN as net
model = net(in_nc=n_channels, out_nc=n_channels, nc=64)
model25 = torch.load(model_path)
former_idx = 0
logger.info('model_name:{}, image sigma:{:.3f}, model sigma:{:.3f}'.format(model_name, noise_level_img, noise_level_model))
logger.info('Model path: {:s}'.format(model_path))
logger.info(L_path)
L_paths = util.get_image_paths(L_path)
# --------------------------------
# load kernel
# --------------------------------
# kernels = hdf5storage.loadmat(os.path.join('kernels', 'Levin09.mat'))['kernels']
if classical_degradation:
kernels = hdf5storage.loadmat(os.path.join('kernels', 'kernels_12.mat'))['kernels']
else:
kernels = hdf5storage.loadmat(os.path.join('kernels', 'kernel_bicubicx234.mat'))['kernels']
test_results_ave = OrderedDict()
test_results_ave['psnr_sf_k'] = []
test_results_ave['psnr_y_sf_k'] = []
for sf in test_sf:
border = sf
modelSigma2 = max(sf, noise_level_model*255.)
k_num = 8 if classical_degradation else 1
for k_index in range(k_num):
logger.info('--------- sf:{:>1d} --k:{:>2d} ---------'.format(sf, k_index))
test_results = OrderedDict()
test_results['psnr'] = []
test_results['psnr_y'] = []
if not classical_degradation: # for bicubic degradation
k_index = sf-2
k = kernels[0, k_index].astype(np.float64)
util.surf(k) if show_img else None
for idx, img in enumerate(L_paths):
# --------------------------------
# (1) get img_L
# --------------------------------
img_name, ext = os.path.splitext(os.path.basename(img))
img_H = util.imread_uint(img, n_channels=n_channels)
img_H = util.modcrop(img_H, sf) # modcrop
if classical_degradation:
img_L = sr.classical_degradation(img_H, k, sf)
util.imshow(img_L) if show_img else None
img_L = util.uint2single(img_L)
else:
img_L = util.imresize_np(util.uint2single(img_H), 1/sf)
np.random.seed(seed=0) # for reproducibility
img_L += np.random.normal(0, noise_level_img, img_L.shape) # add AWGN
# --------------------------------
# (2) get rhos and sigmas
# --------------------------------
rhos, sigmas = pnp.get_rho_sigma(sigma=max(0.255/255., noise_level_model), iter_num=iter_num, modelSigma1=modelSigma1, modelSigma2=modelSigma2, w=1)
rhos, sigmas = torch.tensor(rhos).to(device), torch.tensor(sigmas).to(device)
# --------------------------------
# (3) initialize x, and pre-calculation
# --------------------------------
x = cv2.resize(img_L, (img_L.shape[1]*sf, img_L.shape[0]*sf), interpolation=cv2.INTER_CUBIC)
if np.ndim(x)==2:
x = x[..., None]
if classical_degradation:
x = sr.shift_pixel(x, sf)
x = util.single2tensor4(x).to(device)
img_L_tensor, k_tensor = util.single2tensor4(img_L), util.single2tensor4(np.expand_dims(k, 2))
[k_tensor, img_L_tensor] = util.todevice([k_tensor, img_L_tensor], device)
FB, FBC, F2B, FBFy = sr.pre_calculate(img_L_tensor, k_tensor, sf)
# --------------------------------
# (4) main iterations
# --------------------------------
for i in range(iter_num):
# --------------------------------
# step 1, FFT
# --------------------------------
tau = rhos[i].float().repeat(1, 1, 1, 1)
x = sr.data_solution(x.float(), FB, FBC, F2B, FBFy, tau, sf)
if 'ircnn' in model_name:
current_idx = np.int(np.ceil(sigmas[i].cpu().numpy()*255./2.)-1)
if current_idx != former_idx:
model.load_state_dict(model25[str(current_idx)], strict=True)
model.eval()
for _, v in model.named_parameters():
v.requires_grad = False
model = model.to(device)
former_idx = current_idx
# --------------------------------
# step 2, denoiser
# --------------------------------
if x8:
x = util.augment_img_tensor4(x, i % 8)
if 'drunet' in model_name:
x = torch.cat((x, sigmas[i].float().repeat(1, 1, x.shape[2], x.shape[3])), dim=1)
x = utils_model.test_mode(model, x, mode=2, refield=32, min_size=256, modulo=16)
elif 'ircnn' in model_name:
x = model(x)
if x8:
if i % 8 == 3 or i % 8 == 5:
x = util.augment_img_tensor4(x, 8 - i % 8)
else:
x = util.augment_img_tensor4(x, i % 8)
# --------------------------------
# (3) img_E
# --------------------------------
img_E = util.tensor2uint(x)
if save_E:
util.imsave(img_E, os.path.join(E_path, img_name+'_x'+str(sf)+'_k'+str(k_index)+'_'+model_name+'.png'))
if n_channels == 1:
img_H = img_H.squeeze()
# --------------------------------
# (4) img_LEH
# --------------------------------
img_L = util.single2uint(img_L).squeeze()
if save_LEH:
k_v = k/np.max(k)*1.0
if n_channels==1:
k_v = util.single2uint(k_v)
else:
k_v = util.single2uint(np.tile(k_v[..., np.newaxis], [1, 1, n_channels]))
k_v = cv2.resize(k_v, (3*k_v.shape[1], 3*k_v.shape[0]), interpolation=cv2.INTER_NEAREST)
img_I = cv2.resize(img_L, (sf*img_L.shape[1], sf*img_L.shape[0]), interpolation=cv2.INTER_NEAREST)
img_I[:k_v.shape[0], -k_v.shape[1]:, ...] = k_v
img_I[:img_L.shape[0], :img_L.shape[1], ...] = img_L
util.imshow(np.concatenate([img_I, img_E, img_H], axis=1), title='LR / Recovered / Ground-truth') if show_img else None
util.imsave(np.concatenate([img_I, img_E, img_H], axis=1), os.path.join(E_path, img_name+'_x'+str(sf)+'_k'+str(k_index)+'_LEH.png'))
if save_L:
util.imsave(img_L, os.path.join(E_path, img_name+'_x'+str(sf)+'_k'+str(k_index)+'_LR.png'))
psnr = util.calculate_psnr(img_E, img_H, border=border)
test_results['psnr'].append(psnr)
logger.info('{:->4d}--> {:>10s} -- sf:{:>1d} --k:{:>2d} PSNR: {:.2f}dB'.format(idx+1, img_name+ext, sf, k_index, psnr))
if n_channels == 3:
img_E_y = util.rgb2ycbcr(img_E, only_y=True)
img_H_y = util.rgb2ycbcr(img_H, only_y=True)
psnr_y = util.calculate_psnr(img_E_y, img_H_y, border=border)
test_results['psnr_y'].append(psnr_y)
# --------------------------------
# Average PSNR for all kernels
# --------------------------------
ave_psnr_k = sum(test_results['psnr']) / len(test_results['psnr'])
logger.info('------> Average PSNR(RGB) of ({}) scale factor: ({}), kernel: ({}) sigma: ({:.2f}): {:.2f} dB'.format(testset_name, sf, k_index, noise_level_model, ave_psnr_k))
test_results_ave['psnr_sf_k'].append(ave_psnr_k)
if n_channels == 3: # RGB image
ave_psnr_y_k = sum(test_results['psnr_y']) / len(test_results['psnr_y'])
logger.info('------> Average PSNR(Y) of ({}) scale factor: ({}), kernel: ({}) sigma: ({:.2f}): {:.2f} dB'.format(testset_name, sf, k_index, noise_level_model, ave_psnr_y_k))
test_results_ave['psnr_y_sf_k'].append(ave_psnr_y_k)
# ---------------------------------------
# Average PSNR for all sf and kernels
# ---------------------------------------
ave_psnr_sf_k = sum(test_results_ave['psnr_sf_k']) / len(test_results_ave['psnr_sf_k'])
logger.info('------> Average PSNR of ({}) {:.2f} dB'.format(testset_name, ave_psnr_sf_k))
if n_channels == 3:
ave_psnr_y_sf_k = sum(test_results_ave['psnr_y_sf_k']) / len(test_results_ave['psnr_y_sf_k'])
logger.info('------> Average PSNR of ({}) {:.2f} dB'.format(testset_name, ave_psnr_y_sf_k))
def main():
# ----------------------------------------
# Preparation
# ----------------------------------------
noise_level_img = 50 # noise level for noisy image
model_name = 'ircnn_gray' # 'ircnn_gray' | 'ircnn_color'
testset_name = 'set12' # test set, 'bsd68' | 'set12'
need_degradation = True # default: True
x8 = False # default: False, x8 to boost performance
show_img = False # default: False
current_idx = min(24, np.int(np.ceil(noise_level_img/2)-1)) # current_idx+1 th denoiser
task_current = 'dn' # fixed, 'dn' for denoising | 'sr' for super-resolution
sf = 1 # unused for denoising
if 'color' in model_name:
n_channels = 3 # fixed, 1 for grayscale image, 3 for color image
else:
n_channels = 1 # fixed for grayscale image
model_pool = 'model_zoo' # fixed
testsets = 'testsets' # fixed
results = 'results' # fixed
result_name = testset_name + '_' + model_name # fixed
border = sf if task_current == 'sr' else 0 # shave boader to calculate PSNR and SSIM
model_path = os.path.join(model_pool, model_name+'.pth')
# ----------------------------------------
# L_path, E_path, H_path
# ----------------------------------------
L_path = os.path.join(testsets, testset_name) # L_path, for Low-quality images
H_path = L_path # H_path, for High-quality images
E_path = os.path.join(results, result_name) # E_path, for Estimated images
util.mkdir(E_path)
if H_path == L_path:
need_degradation = True
logger_name = result_name
utils_logger.logger_info(logger_name, log_path=os.path.join(E_path, logger_name+'.log'))
logger = logging.getLogger(logger_name)
need_H = True if H_path is not None else False
device = torch.device('cuda' if torch.cuda.is_available() else 'cpu')
# ----------------------------------------
# load model
# ----------------------------------------
model25 = torch.load(model_path)
from models.network_dncnn import IRCNN as net
model = net(in_nc=n_channels, out_nc=n_channels, nc=64)
model.load_state_dict(model25[str(current_idx)], strict=True)
model.eval()
for _, v in model.named_parameters():
v.requires_grad = False
model = model.to(device)
logger.info('Model path: {:s}'.format(model_path))
number_parameters = sum(map(lambda x: x.numel(), model.parameters()))
logger.info('Params number: {}'.format(number_parameters))
test_results = OrderedDict()
test_results['psnr'] = []
test_results['ssim'] = []
logger.info('model_name:{}, image sigma:{}'.format(model_name, noise_level_img))
logger.info(L_path)
L_paths = util.get_image_paths(L_path)
H_paths = util.get_image_paths(H_path) if need_H else None
for idx, img in enumerate(L_paths):
# ------------------------------------
# (1) img_L
# ------------------------------------
img_name, ext = os.path.splitext(os.path.basename(img))
# logger.info('{:->4d}--> {:>10s}'.format(idx+1, img_name+ext))
img_L = util.imread_uint(img, n_channels=n_channels)
img_L = util.uint2single(img_L)
if need_degradation: # degradation process
np.random.seed(seed=0) # for reproducibility
img_L += np.random.normal(0, noise_level_img/255., img_L.shape)
util.imshow(util.single2uint(img_L), title='Noisy image with noise level {}'.format(noise_level_img)) if show_img else None
img_L = util.single2tensor4(img_L)
img_L = img_L.to(device)
# ------------------------------------
# (2) img_E
# ------------------------------------
if not x8:
img_E = model(img_L)
else:
img_E = utils_model.test_mode(model, img_L, mode=3)
img_E = util.tensor2uint(img_E)
if need_H:
# --------------------------------
# (3) img_H
# --------------------------------
img_H = util.imread_uint(H_paths[idx], n_channels=n_channels)
img_H = img_H.squeeze()
# --------------------------------
# PSNR and SSIM
# --------------------------------
psnr = util.calculate_psnr(img_E, img_H, border=border)
ssim = util.calculate_ssim(img_E, img_H, border=border)
test_results['psnr'].append(psnr)
test_results['ssim'].append(ssim)
logger.info('{:s} - PSNR: {:.2f} dB; SSIM: {:.4f}.'.format(img_name+ext, psnr, ssim))
util.imshow(np.concatenate([img_E, img_H], axis=1), title='Recovered / Ground-truth') if show_img else None
# ------------------------------------
# save results
# ------------------------------------
util.imsave(img_E, os.path.join(E_path, img_name+ext))
if need_H:
ave_psnr = sum(test_results['psnr']) / len(test_results['psnr'])
ave_ssim = sum(test_results['ssim']) / len(test_results['ssim'])
logger.info('Average PSNR/SSIM(RGB) - {} - PSNR: {:.2f} dB; SSIM: {:.4f}'.format(result_name, ave_psnr, ave_ssim))
def main():
# --------------------------------
# let's start!
# --------------------------------
utils_logger.logger_info('test_srresnetplus',
log_path='test_srresnetplus.log')
logger = logging.getLogger('test_srresnetplus')
# basic setting
# ================================================
sf = 4 # scale factor
noise_level_img = 0 / 255.0 # noise level of L image
noise_level_model = noise_level_img
show_img = True
use_srganplus = True # 'True' for SRGAN+ (x4) and 'False' for SRResNet+ (x2,x3,x4)
testsets = 'testsets'
testset_current = 'Set5'
n_channels = 3 # only color images, fixed
border = sf # shave boader to calculate PSNR and SSIM
if use_srganplus and sf == 4:
model_prefix = 'DPSRGAN'
save_suffix = 'dpsrgan'
else:
model_prefix = 'DPSR'
save_suffix = 'dpsr'
model_path = os.path.join('DPSR_models', model_prefix + 'x%01d.pth' % (sf))
# --------------------------------
# L_folder, E_folder, H_folder
# --------------------------------
# --1--> L_folder, folder of Low-quality images
testsubset_current = 'x%01d' % (sf)
L_folder = os.path.join(testsets, testset_current, testsubset_current)
# --2--> E_folder, folder of Estimated images
E_folder = os.path.join(testsets, testset_current,
testsubset_current + '_' + save_suffix)
util.mkdir(E_folder)
# --3--> H_folder, folder of High-quality images
H_folder = os.path.join(testsets, testset_current, 'GT')
need_H = True if os.path.exists(H_folder) else False
# ================================================
device = torch.device('cuda' if torch.cuda.is_available() else 'cpu')
# --------------------------------
# load model
# --------------------------------
model = SRResNet(in_nc=4,
out_nc=3,
nc=96,
nb=16,
upscale=sf,
act_mode='R',
upsample_mode='pixelshuffle')
model.load_state_dict(torch.load(model_path), strict=True)
model.eval()
for k, v in model.named_parameters():
v.requires_grad = False
model = model.to(device)
logger.info('Model path {:s}. \nTesting...'.format(model_path))
test_results = OrderedDict()
test_results['psnr'] = []
test_results['ssim'] = []
test_results['psnr_y'] = []
test_results['ssim_y'] = []
idx = 0
logger.info(L_folder)
for im in os.listdir(os.path.join(L_folder)):
if im.endswith('.jpg') or im.endswith('.bmp') or im.endswith('.png'):
logger.info('{:->4d}--> {:>10s}'.format(
idx, im)) if not need_H else None
# --------------------------------
# (1) img_L
# --------------------------------
idx += 1
img_name, ext = os.path.splitext(im)
img = util.imread_uint(os.path.join(L_folder, im),
n_channels=n_channels)
np.random.seed(seed=0) # for reproducibility
img = util.unit2single(img) + np.random.normal(
0, noise_level_img, img.shape)
util.imshow(img,
title='Low-resolution image') if show_img else None
img_L = util.single2tensor4(img)
noise_level_map = torch.ones(
(1, 1, img_L.size(2), img_L.size(3)),
dtype=torch.float).mul_(noise_level_model)
img_L = torch.cat((img_L, noise_level_map), dim=1)
img_L = img_L.to(device)
# --------------------------------
# (2) img_E
# --------------------------------
img_E = model(img_L)
img_E = util.tensor2single(img_E)
img_E = util.single2uint(img_E) # np.uint8((z * 255.0).round())
if need_H:
# --------------------------------
# (3) img_H
# --------------------------------
img_H = util.imread_uint(os.path.join(H_folder, im),
n_channels=n_channels)
img_H = util.modcrop(img_H, scale=sf)
# --------------------------------
# PSNR and SSIM
# --------------------------------
psnr = util.calculate_psnr(img_E, img_H, border=border)
ssim = util.calculate_ssim(img_E, img_H, border=border)
test_results['psnr'].append(psnr)
test_results['ssim'].append(ssim)
if np.ndim(img_H) == 3: # RGB image
img_E_y = util.rgb2ycbcr(img_E, only_y=True)
img_H_y = util.rgb2ycbcr(img_H, only_y=True)
psnr_y = util.calculate_psnr(img_E_y,
img_H_y,
border=border)
ssim_y = util.calculate_ssim(img_E_y,
img_H_y,
border=border)
test_results['psnr_y'].append(psnr_y)
test_results['ssim_y'].append(ssim_y)
logger.info(
'{:->20s} - PSNR: {:.2f} dB; SSIM: {:.4f}; PSNR_Y: {:.2f} dB; SSIM_Y: {:.4f}.'
.format(im, psnr, ssim, psnr_y, ssim_y))
else:
logger.info(
'{:20s} - PSNR: {:.2f} dB; SSIM: {:.4f}.'.format(
im, psnr, ssim))
# --------------------------------
# save results
# --------------------------------
util.imshow(np.concatenate([img_E, img_H], axis=1),
title='Recovered / Ground-truth') if show_img else None
util.imsave(
img_E,
os.path.join(E_folder, img_name + '_x{}'.format(sf) + ext))
if need_H:
ave_psnr = sum(test_results['psnr']) / len(test_results['psnr'])
ave_ssim = sum(test_results['ssim']) / len(test_results['ssim'])
logger.info(
'PSNR/SSIM(RGB) - {} - x{} -- PSNR: {:.2f} dB; SSIM: {:.4f}'.
format(testset_current, sf, ave_psnr, ave_ssim))
if np.ndim(img_H) == 3:
ave_psnr_y = sum(test_results['psnr_y']) / len(
test_results['psnr_y'])
ave_ssim_y = sum(test_results['ssim_y']) / len(
test_results['ssim_y'])
logger.info(
'PSNR/SSIM( Y ) - {} - x{} -- PSNR: {:.2f} dB; SSIM: {:.4f}'.
format(testset_current, sf, ave_psnr_y, ave_ssim_y))
model.test()
visuals = model.current_visuals()
E_img = util.tensor2uint(visuals['E'])
H_img = util.tensor2uint(visuals['H'])
# -----------------------
# save estimated image E
# -----------------------
save_img_path = os.path.join(img_dir, '{:s}_{:d}.png'.format(img_name, current_step))
util.imsave(E_img, save_img_path)
# -----------------------
# calculate PSNR
# -----------------------
current_psnr = util.calculate_psnr(E_img, H_img, border=border)
logger.info('{:->4d}--> {:>10s} | {:<4.2f}dB'.format(idx, image_name_ext, current_psnr))
avg_psnr += current_psnr
avg_psnr = avg_psnr / idx
# testing log
logger.info('<epoch:{:3d}, iter:{:8,d}, Average PSNR : {:<.2f}dB\n'.format(epoch, current_step, avg_psnr))
logger.info('Saving the final model.')
model.save('latest')
logger.info('End of training.')
def main():
# ----------------------------------------
# Preparation
# ----------------------------------------
noise_level_img = 30 # noise level for noisy image
noise_level_model = noise_level_img # noise level for model
model_name = 'ffdnet_color' # 'ffdnet_gray' | 'ffdnet_color' | 'ffdnet_color_clip' | 'ffdnet_gray_clip'
testset_name = 'CBSD68' # test set, 'bsd68' | 'cbsd68' | 'set12'
need_degradation = True # default: True
show_img = False # default: False
task_current = 'dn' # 'dn' for denoising | 'sr' for super-resolution
sf = 1 # unused for denoising
if 'color' in model_name:
n_channels = 3 # setting for color image
nc = 96 # setting for color image
nb = 12 # setting for color image
else:
n_channels = 1 # setting for grayscale image
nc = 64 # setting for grayscale image
nb = 15 # setting for grayscale image
if 'clip' in model_name:
use_clip = True # clip the intensities into range of [0, 1]
else:
use_clip = False
model_pool = 'model_zoo' # fixed
testsets = 'testsets' # fixed
results = 'results' # fixed
result_name = testset_name + '_' + model_name
border = sf if task_current == 'sr' else 0 # shave boader to calculate PSNR and SSIM
model_path = os.path.join(model_pool, model_name + '.pth')
# ----------------------------------------
# L_path, E_path, H_path
# ----------------------------------------
L_path = os.path.join(testsets,
testset_name) # L_path, for Low-quality images
H_path = L_path # H_path, for High-quality images
E_path = os.path.join(results, result_name) # E_path, for Estimated images
util.mkdir(E_path)
if H_path == L_path:
need_degradation = True
logger_name = result_name
utils_logger.logger_info(logger_name,
log_path=os.path.join(E_path,
logger_name + '.log'))
logger = logging.getLogger(logger_name)
need_H = True if H_path is not None else False
device = torch.device('cuda' if torch.cuda.is_available() else 'cpu')
# ----------------------------------------
# load model
# ----------------------------------------
from models.network_ffdnet import FFDNet as net
model = net(in_nc=n_channels,
out_nc=n_channels,
nc=nc,
nb=nb,
act_mode='R')
model.load_state_dict(torch.load(model_path), strict=True)
model.eval()
for k, v in model.named_parameters():
v.requires_grad = False
model = model.to(device)
logger.info('Model path: {:s}'.format(model_path))
test_results = OrderedDict()
test_results['psnr'] = []
test_results['ssim'] = []
logger.info('model_name:{}, model sigma:{}, image sigma:{}'.format(
model_name, noise_level_img, noise_level_model))
logger.info(L_path)
L_paths = util.get_image_paths(L_path)
H_paths = util.get_image_paths(H_path) if need_H else None
for idx, img in enumerate(L_paths):
# ------------------------------------
# (1) img_L
# ------------------------------------
img_name, ext = os.path.splitext(os.path.basename(img))
# logger.info('{:->4d}--> {:>10s}'.format(idx+1, img_name+ext))
img_L = util.imread_uint(img, n_channels=n_channels)
img_L = util.uint2single(img_L)
if need_degradation: # degradation process
np.random.seed(seed=0) # for reproducibility
img_L += np.random.normal(0, noise_level_img / 255., img_L.shape)
if use_clip:
img_L = util.uint2single(util.single2uint(img_L))
util.imshow(util.single2uint(img_L),
title='Noisy image with noise level {}'.format(
noise_level_img)) if show_img else None
img_L = util.single2tensor4(img_L)
img_L = img_L.to(device)
sigma = torch.full((1, 1, 1, 1),
noise_level_model / 255.).type_as(img_L)
# ------------------------------------
# (2) img_E
# ------------------------------------
img_E = model(img_L, sigma)
img_E = util.tensor2uint(img_E)
if need_H:
# --------------------------------
# (3) img_H
# --------------------------------
img_H = util.imread_uint(H_paths[idx], n_channels=n_channels)
img_H = img_H.squeeze()
# --------------------------------
# PSNR and SSIM
# --------------------------------
psnr = util.calculate_psnr(img_E, img_H, border=border)
ssim = util.calculate_ssim(img_E, img_H, border=border)
test_results['psnr'].append(psnr)
test_results['ssim'].append(ssim)
logger.info('{:s} - PSNR: {:.2f} dB; SSIM: {:.4f}.'.format(
img_name + ext, psnr, ssim))
util.imshow(np.concatenate([img_E, img_H], axis=1),
title='Recovered / Ground-truth') if show_img else None
# ------------------------------------
# save results
# ------------------------------------
util.imsave(img_E, os.path.join(E_path, img_name + ext))
if need_H:
ave_psnr = sum(test_results['psnr']) / len(test_results['psnr'])
ave_ssim = sum(test_results['ssim']) / len(test_results['ssim'])
logger.info(
'Average PSNR/SSIM(RGB) - {} - PSNR: {:.2f} dB; SSIM: {:.4f}'.
format(result_name, ave_psnr, ave_ssim))
def main():
# ----------------------------------------
# Preparation
# ----------------------------------------
noise_level_img = 15 # set AWGN noise level for noisy image
noise_level_model = noise_level_img # set noise level for model
model_name = 'drunet_gray' # set denoiser model, 'drunet_gray' | 'drunet_color'
testset_name = 'bsd68' # set test set, 'bsd68' | 'cbsd68' | 'set12'
x8 = False # default: False, x8 to boost performance
show_img = False # default: False
border = 0 # shave boader to calculate PSNR and SSIM
if 'color' in model_name:
n_channels = 3 # 3 for color image
else:
n_channels = 1 # 1 for grayscale image
model_pool = 'model_zoo' # fixed
testsets = 'testsets' # fixed
results = 'results' # fixed
task_current = 'dn' # 'dn' for denoising
result_name = testset_name + '_' + task_current + '_' + model_name
model_path = os.path.join(model_pool, model_name + '.pth')
device = torch.device('cuda' if torch.cuda.is_available() else 'cpu')
torch.cuda.empty_cache()
# ----------------------------------------
# L_path, E_path, H_path
# ----------------------------------------
L_path = os.path.join(testsets,
testset_name) # L_path, for Low-quality images
E_path = os.path.join(results, result_name) # E_path, for Estimated images
util.mkdir(E_path)
logger_name = result_name
utils_logger.logger_info(logger_name,
log_path=os.path.join(E_path,
logger_name + '.log'))
logger = logging.getLogger(logger_name)
# ----------------------------------------
# load model
# ----------------------------------------
from models.network_unet import UNetRes as net
model = net(in_nc=n_channels + 1,
out_nc=n_channels,
nc=[64, 128, 256, 512],
nb=4,
act_mode='R',
downsample_mode="strideconv",
upsample_mode="convtranspose")
model.load_state_dict(torch.load(model_path), strict=True)
model.eval()
for k, v in model.named_parameters():
v.requires_grad = False
model = model.to(device)
logger.info('Model path: {:s}'.format(model_path))
number_parameters = sum(map(lambda x: x.numel(), model.parameters()))
logger.info('Params number: {}'.format(number_parameters))
test_results = OrderedDict()
test_results['psnr'] = []
test_results['ssim'] = []
logger.info('model_name:{}, model sigma:{}, image sigma:{}'.format(
model_name, noise_level_img, noise_level_model))
logger.info(L_path)
L_paths = util.get_image_paths(L_path)
for idx, img in enumerate(L_paths):
# ------------------------------------
# (1) img_L
# ------------------------------------
img_name, ext = os.path.splitext(os.path.basename(img))
# logger.info('{:->4d}--> {:>10s}'.format(idx+1, img_name+ext))
img_H = util.imread_uint(img, n_channels=n_channels)
img_L = util.uint2single(img_H)
# Add noise without clipping
np.random.seed(seed=0) # for reproducibility
img_L += np.random.normal(0, noise_level_img / 255., img_L.shape)
util.imshow(util.single2uint(img_L),
title='Noisy image with noise level {}'.format(
noise_level_img)) if show_img else None
img_L = util.single2tensor4(img_L)
img_L = torch.cat(
(img_L, torch.FloatTensor([noise_level_model / 255.]).repeat(
1, 1, img_L.shape[2], img_L.shape[3])),
dim=1)
img_L = img_L.to(device)
# ------------------------------------
# (2) img_E
# ------------------------------------
if not x8 and img_L.size(2) // 8 == 0 and img_L.size(3) // 8 == 0:
img_E = model(img_L)
elif not x8 and (img_L.size(2) // 8 != 0 or img_L.size(3) // 8 != 0):
img_E = utils_model.test_mode(model, img_L, refield=64, mode=5)
elif x8:
img_E = utils_model.test_mode(model, img_L, mode=3)
img_E = util.tensor2uint(img_E)
# --------------------------------
# PSNR and SSIM
# --------------------------------
if n_channels == 1:
img_H = img_H.squeeze()
psnr = util.calculate_psnr(img_E, img_H, border=border)
ssim = util.calculate_ssim(img_E, img_H, border=border)
test_results['psnr'].append(psnr)
test_results['ssim'].append(ssim)
logger.info('{:s} - PSNR: {:.2f} dB; SSIM: {:.4f}.'.format(
img_name + ext, psnr, ssim))
# ------------------------------------
# save results
# ------------------------------------
util.imsave(img_E, os.path.join(E_path, img_name + ext))
ave_psnr = sum(test_results['psnr']) / len(test_results['psnr'])
ave_ssim = sum(test_results['ssim']) / len(test_results['ssim'])
logger.info(
'Average PSNR/SSIM(RGB) - {} - PSNR: {:.2f} dB; SSIM: {:.4f}'.format(
result_name, ave_psnr, ave_ssim))
def main():
# ----------------------------------------
# Preparation
# ----------------------------------------
noise_level_img = 7.65 / 255.0 # default: 0, noise level for LR image
noise_level_model = noise_level_img # noise level of model, default 0
model_name = 'drunet_gray' # 'drunet_gray' | 'drunet_color' | 'ircnn_gray' | 'ircnn_color'
testset_name = 'Set3C' # test set, 'set5' | 'srbsd68'
x8 = True # default: False, x8 to boost performance
iter_num = 8 # number of iterations
modelSigma1 = 49
modelSigma2 = noise_level_model * 255.
show_img = False # default: False
save_L = True # save LR image
save_E = True # save estimated image
save_LEH = False # save zoomed LR, E and H images
border = 0
# --------------------------------
# load kernel
# --------------------------------
kernels = hdf5storage.loadmat(os.path.join('kernels',
'Levin09.mat'))['kernels']
sf = 1
task_current = 'deblur' # 'deblur' for deblurring
n_channels = 3 if 'color' in model_name else 1 # fixed
model_zoo = 'model_zoo' # fixed
testsets = 'testsets' # fixed
results = 'results' # fixed
result_name = testset_name + '_' + task_current + '_' + model_name
model_path = os.path.join(model_zoo, model_name + '.pth')
device = torch.device('cuda' if torch.cuda.is_available() else 'cpu')
torch.cuda.empty_cache()
# ----------------------------------------
# L_path, E_path, H_path
# ----------------------------------------
L_path = os.path.join(testsets,
testset_name) # L_path, for Low-quality images
E_path = os.path.join(results, result_name) # E_path, for Estimated images
util.mkdir(E_path)
logger_name = result_name
utils_logger.logger_info(logger_name,
log_path=os.path.join(E_path,
logger_name + '.log'))
logger = logging.getLogger(logger_name)
# ----------------------------------------
# load model
# ----------------------------------------
if 'drunet' in model_name:
from models.network_unet import UNetRes as net
model = net(in_nc=n_channels + 1,
out_nc=n_channels,
nc=[64, 128, 256, 512],
nb=4,
act_mode='R',
downsample_mode="strideconv",
upsample_mode="convtranspose")
model.load_state_dict(torch.load(model_path), strict=True)
model.eval()
for _, v in model.named_parameters():
v.requires_grad = False
model = model.to(device)
elif 'ircnn' in model_name:
from models.network_dncnn import IRCNN as net
model = net(in_nc=n_channels, out_nc=n_channels, nc=64)
model25 = torch.load(model_path)
former_idx = 0
logger.info('model_name:{}, image sigma:{:.3f}, model sigma:{:.3f}'.format(
model_name, noise_level_img, noise_level_model))
logger.info('Model path: {:s}'.format(model_path))
logger.info(L_path)
L_paths = util.get_image_paths(L_path)
test_results_ave = OrderedDict()
test_results_ave['psnr'] = [] # record average PSNR for each kernel
for k_index in range(kernels.shape[1]):
logger.info('-------k:{:>2d} ---------'.format(k_index))
test_results = OrderedDict()
test_results['psnr'] = []
k = kernels[0, k_index].astype(np.float64)
util.imshow(k) if show_img else None
for idx, img in enumerate(L_paths):
# --------------------------------
# (1) get img_L
# --------------------------------
img_name, ext = os.path.splitext(os.path.basename(img))
img_H = util.imread_uint(img, n_channels=n_channels)
img_H = util.modcrop(img_H, 8) # modcrop
img_L = ndimage.filters.convolve(img_H,
np.expand_dims(k, axis=2),
mode='wrap')
util.imshow(img_L) if show_img else None
img_L = util.uint2single(img_L)
np.random.seed(seed=0) # for reproducibility
img_L += np.random.normal(0, noise_level_img,
img_L.shape) # add AWGN
# --------------------------------
# (2) get rhos and sigmas
# --------------------------------
rhos, sigmas = pnp.get_rho_sigma(sigma=max(0.255 / 255.,
noise_level_model),
iter_num=iter_num,
modelSigma1=modelSigma1,
modelSigma2=modelSigma2,
w=1.0)
rhos, sigmas = torch.tensor(rhos).to(device), torch.tensor(
sigmas).to(device)
# --------------------------------
# (3) initialize x, and pre-calculation
# --------------------------------
x = util.single2tensor4(img_L).to(device)
img_L_tensor, k_tensor = util.single2tensor4(
img_L), util.single2tensor4(np.expand_dims(k, 2))
[k_tensor, img_L_tensor] = util.todevice([k_tensor, img_L_tensor],
device)
FB, FBC, F2B, FBFy = sr.pre_calculate(img_L_tensor, k_tensor, sf)
# --------------------------------
# (4) main iterations
# --------------------------------
for i in range(iter_num):
# --------------------------------
# step 1, FFT
# --------------------------------
tau = rhos[i].float().repeat(1, 1, 1, 1)
x = sr.data_solution(x, FB, FBC, F2B, FBFy, tau, sf)
if 'ircnn' in model_name:
current_idx = np.int(
np.ceil(sigmas[i].cpu().numpy() * 255. / 2.) - 1)
if current_idx != former_idx:
model.load_state_dict(model25[str(current_idx)],
strict=True)
model.eval()
for _, v in model.named_parameters():
v.requires_grad = False
model = model.to(device)
former_idx = current_idx
# --------------------------------
# step 2, denoiser
# --------------------------------
if x8:
x = util.augment_img_tensor4(x, i % 8)
if 'drunet' in model_name:
x = torch.cat((x, sigmas[i].float().repeat(
1, 1, x.shape[2], x.shape[3])),
dim=1)
x = utils_model.test_mode(model,
x,
mode=2,
refield=32,
min_size=256,
modulo=16)
elif 'ircnn' in model_name:
x = model(x)
if x8:
if i % 8 == 3 or i % 8 == 5:
x = util.augment_img_tensor4(x, 8 - i % 8)
else:
x = util.augment_img_tensor4(x, i % 8)
# --------------------------------
# (3) img_E
# --------------------------------
img_E = util.tensor2uint(x)
if n_channels == 1:
img_H = img_H.squeeze()
if save_E:
util.imsave(
img_E,
os.path.join(
E_path, img_name + '_k' + str(k_index) + '_' +
model_name + '.png'))
# --------------------------------
# (4) img_LEH
# --------------------------------
if save_LEH:
img_L = util.single2uint(img_L)
k_v = k / np.max(k) * 1.0
k_v = util.single2uint(np.tile(k_v[..., np.newaxis],
[1, 1, 3]))
k_v = cv2.resize(k_v, (3 * k_v.shape[1], 3 * k_v.shape[0]),
interpolation=cv2.INTER_NEAREST)
img_I = cv2.resize(img_L,
(sf * img_L.shape[1], sf * img_L.shape[0]),
interpolation=cv2.INTER_NEAREST)
img_I[:k_v.shape[0], -k_v.shape[1]:, :] = k_v
img_I[:img_L.shape[0], :img_L.shape[1], :] = img_L
util.imshow(np.concatenate([img_I, img_E, img_H], axis=1),
title='LR / Recovered / Ground-truth'
) if show_img else None
util.imsave(
np.concatenate([img_I, img_E, img_H], axis=1),
os.path.join(E_path,
img_name + '_k' + str(k_index) + '_LEH.png'))
if save_L:
util.imsave(
util.single2uint(img_L),
os.path.join(E_path,
img_name + '_k' + str(k_index) + '_LR.png'))
psnr = util.calculate_psnr(
img_E, img_H, border=border) # change with your own border
test_results['psnr'].append(psnr)
logger.info('{:->4d}--> {:>10s} --k:{:>2d} PSNR: {:.2f}dB'.format(
idx + 1, img_name + ext, k_index, psnr))
# --------------------------------
# Average PSNR
# --------------------------------
ave_psnr = sum(test_results['psnr']) / len(test_results['psnr'])
logger.info(
'------> Average PSNR of ({}), kernel: ({}) sigma: ({:.2f}): {:.2f} dB'
.format(testset_name, k_index, noise_level_model, ave_psnr))
test_results_ave['psnr'].append(ave_psnr)
def main():
# ----------------------------------------
# Preparation
# ----------------------------------------
noise_level_img = 0 # default: 0, noise level for LR image
noise_level_model = noise_level_img # noise level for model
model_name = 'dpsr_x4_gan' # 'dpsr_x2' | 'dpsr_x3' | 'dpsr_x4' | 'dpsr_x4_gan'
testset_name = 'set5' # test set, 'set5' | 'srbsd68'
need_degradation = True # default: True
x8 = False # default: False, x8 to boost performance
sf = [int(s) for s in re.findall(r'\d+', model_name)][0] # scale factor
show_img = False # default: False
task_current = 'sr' # 'dn' for denoising | 'sr' for super-resolution
n_channels = 3 # fixed
nc = 96 # fixed, number of channels
nb = 16 # fixed, number of conv layers
model_pool = 'model_zoo' # fixed
testsets = 'testsets' # fixed
results = 'results' # fixed
result_name = testset_name + '_' + model_name
border = sf if task_current == 'sr' else 0 # shave boader to calculate PSNR and SSIM
model_path = os.path.join(model_pool, model_name + '.pth')
# ----------------------------------------
# L_path, E_path, H_path
# ----------------------------------------
L_path = os.path.join(testsets,
testset_name) # L_path, for Low-quality images
H_path = L_path # H_path, for High-quality images
E_path = os.path.join(results, result_name) # E_path, for Estimated images
util.mkdir(E_path)
if H_path == L_path:
need_degradation = True
logger_name = result_name
utils_logger.logger_info(logger_name,
log_path=os.path.join(E_path,
logger_name + '.log'))
logger = logging.getLogger(logger_name)
need_H = True if H_path is not None else False
device = torch.device('cuda' if torch.cuda.is_available() else 'cpu')
# ----------------------------------------
# load model
# ----------------------------------------
from models.network_dpsr import MSRResNet_prior as net
model = net(in_nc=n_channels + 1,
out_nc=n_channels,
nc=nc,
nb=nb,
upscale=sf,
act_mode='R',
upsample_mode='pixelshuffle')
model.load_state_dict(torch.load(model_path), strict=False)
model.eval()
for k, v in model.named_parameters():
v.requires_grad = False
model = model.to(device)
logger.info('Model path: {:s}'.format(model_path))
number_parameters = sum(map(lambda x: x.numel(), model.parameters()))
logger.info('Params number: {}'.format(number_parameters))
test_results = OrderedDict()
test_results['psnr'] = []
test_results['ssim'] = []
test_results['psnr_y'] = []
test_results['ssim_y'] = []
logger.info('model_name:{}, model sigma:{}, image sigma:{}'.format(
model_name, noise_level_img, noise_level_model))
logger.info(L_path)
L_paths = util.get_image_paths(L_path)
H_paths = util.get_image_paths(H_path) if need_H else None
for idx, img in enumerate(L_paths):
# ------------------------------------
# (1) img_L
# ------------------------------------
img_name, ext = os.path.splitext(os.path.basename(img))
# logger.info('{:->4d}--> {:>10s}'.format(idx+1, img_name+ext))
img_L = util.imread_uint(img, n_channels=n_channels)
img_L = util.uint2single(img_L)
# degradation process, bicubic downsampling + Gaussian noise
if need_degradation:
img_L = util.modcrop(img_L, sf)
img_L = util.imresize_np(img_L, 1 / sf)
np.random.seed(seed=0) # for reproducibility
img_L += np.random.normal(0, noise_level_img / 255., img_L.shape)
util.imshow(util.single2uint(img_L),
title='LR image with noise level {}'.format(
noise_level_img)) if show_img else None
img_L = util.single2tensor4(img_L)
noise_level_map = torch.full((1, 1, img_L.size(2), img_L.size(3)),
noise_level_model / 255.).type_as(img_L)
img_L = torch.cat((img_L, noise_level_map), dim=1)
img_L = img_L.to(device)
# ------------------------------------
# (2) img_E
# ------------------------------------
if not x8:
img_E = model(img_L)
else:
img_E = utils_model.test_mode(model, img_L, mode=3, sf=sf)
img_E = util.tensor2uint(img_E)
if need_H:
# --------------------------------
# (3) img_H
# --------------------------------
img_H = util.imread_uint(H_paths[idx], n_channels=n_channels)
img_H = img_H.squeeze()
img_H = util.modcrop(img_H, sf)
# --------------------------------
# PSNR and SSIM
# --------------------------------
psnr = util.calculate_psnr(img_E, img_H, border=border)
ssim = util.calculate_ssim(img_E, img_H, border=border)
test_results['psnr'].append(psnr)
test_results['ssim'].append(ssim)
logger.info('{:s} - PSNR: {:.2f} dB; SSIM: {:.4f}.'.format(
img_name + ext, psnr, ssim))
util.imshow(np.concatenate([img_E, img_H], axis=1),
title='Recovered / Ground-truth') if show_img else None
if np.ndim(img_H) == 3: # RGB image
img_E_y = util.rgb2ycbcr(img_E, only_y=True)
img_H_y = util.rgb2ycbcr(img_H, only_y=True)
psnr_y = util.calculate_psnr(img_E_y, img_H_y, border=border)
ssim_y = util.calculate_ssim(img_E_y, img_H_y, border=border)
test_results['psnr_y'].append(psnr_y)
test_results['ssim_y'].append(ssim_y)
# ------------------------------------
# save results
# ------------------------------------
util.imsave(img_E, os.path.join(E_path, img_name + '.png'))
if need_H:
ave_psnr = sum(test_results['psnr']) / len(test_results['psnr'])
ave_ssim = sum(test_results['ssim']) / len(test_results['ssim'])
logger.info(
'Average PSNR/SSIM(RGB) - {} - x{} --PSNR: {:.2f} dB; SSIM: {:.4f}'
.format(result_name, sf, ave_psnr, ave_ssim))
if np.ndim(img_H) == 3:
ave_psnr_y = sum(test_results['psnr_y']) / len(
test_results['psnr_y'])
ave_ssim_y = sum(test_results['ssim_y']) / len(
test_results['ssim_y'])
logger.info(
'Average PSNR/SSIM( Y ) - {} - x{} - PSNR: {:.2f} dB; SSIM: {:.4f}'
.format(result_name, sf, ave_psnr_y, ave_ssim_y))
def main():
# ----------------------------------------
# Preparation
# ----------------------------------------
model_name = 'usrnet_tiny' # 'usrgan' | 'usrnet' | 'usrgan_tiny' | 'usrnet_tiny'
testset_name = 'srcvte' # test set, 'set5' | 'srbsd68' | 'srcvte'
test_sf = [
4
] # if 'gan' in model_name else [2, 3, 4] # scale factor, from {1,2,3,4}
load_kernels = False
show_img = False # default: False
save_L = False # save LR image
save_E = True # save estimated image
save_LEH = False # save zoomed LR, E and H images
# ----------------------------------------
# load testing kernels
# ----------------------------------------
# kernels = hdf5storage.loadmat(os.path.join('kernels', 'kernels.mat'))['kernels']
kernels = loadmat(os.path.join(
'kernels', 'kernels_12.mat'))['kernels'] if load_kernels else None
n_channels = 1 if 'gray' in model_name else 3 # 3 for color image, 1 for grayscale image
model_pool = '/home/dengzeshuai/pretrained_models/USRnet/' # fixed
testsets = '/home/datasets/sr/' # fixed
results = 'results' # fixed
noise_level_img = 0 # fixed: 0, noise level for LR image
noise_level_model = noise_level_img # fixed, noise level of model, default 0
result_name = testset_name + '_' + model_name + '_blur'
model_path = os.path.join(model_pool, model_name + '.pth')
# ----------------------------------------
# L_path = H_path, E_path, logger
# ----------------------------------------
L_path = os.path.join(
testsets,
testset_name) # L_path and H_path, fixed, for Low-quality images
if testset_name == 'srcvte':
L_path = os.path.join(testsets, testset_name, 'LR_val')
H_path = os.path.join(testsets, testset_name, 'HR_val')
video_names = os.listdir(H_path)
E_path = os.path.join(results,
result_name) # E_path, fixed, for Estimated images
util.mkdir(E_path)
logger_name = result_name
utils_logger.logger_info(logger_name,
log_path=os.path.join(E_path,
logger_name + '.log'))
logger = logging.getLogger(logger_name)
device = torch.device('cuda' if torch.cuda.is_available() else 'cpu')
# ----------------------------------------
# load model
# ----------------------------------------
if 'tiny' in model_name:
model = net(n_iter=6,
h_nc=32,
in_nc=4,
out_nc=3,
nc=[16, 32, 64, 64],
nb=2,
act_mode="R",
downsample_mode='strideconv',
upsample_mode="convtranspose")
else:
model = net(n_iter=8,
h_nc=64,
in_nc=4,
out_nc=3,
nc=[64, 128, 256, 512],
nb=2,
act_mode="R",
downsample_mode='strideconv',
upsample_mode="convtranspose")
model.load_state_dict(torch.load(model_path), strict=True)
model.eval()
for key, v in model.named_parameters():
v.requires_grad = False
number_parameters = sum(map(lambda x: x.numel(), model.parameters()))
model = model.to(device)
logger.info('Model path: {:s}'.format(model_path))
logger.info('Params number: {}'.format(number_parameters))
logger.info('Model_name:{}, image sigma:{}'.format(model_name,
noise_level_img))
logger.info(L_path)
L_paths = util.get_image_paths(L_path)
need_H = True if H_path is not None else False
H_paths = util.get_image_paths(H_path) if need_H else None
# --------------------------------
# read images
# --------------------------------
test_results_ave = OrderedDict()
test_results_ave['psnr_sf_k'] = []
test_results_ave['ssim_sf_k'] = []
test_results_ave['psnr_y_sf_k'] = []
test_results_ave['ssim_y_sf_k'] = []
for sf in test_sf:
loop = kernels.shape[1] if load_kernels else 1
for k_index in range(loop):
test_results = OrderedDict()
test_results['psnr'] = []
test_results['ssim'] = []
test_results['psnr_y'] = []
test_results['ssim_y'] = []
if load_kernels:
kernel = kernels[0, k_index].astype(np.float64)
else:
## other kernels
# kernel = utils_deblur.blurkernel_synthesis(h=25) # motion kernel
kernel = utils_deblur.fspecial('gaussian', 25,
1.6) # Gaussian kernel
kernel = sr.shift_pixel(kernel, sf) # pixel shift; optional
kernel /= np.sum(kernel)
util.surf(kernel) if show_img else None
# idx = 0
for idx, img in enumerate(L_paths):
# --------------------------------
# (1) classical degradation, img_L
# --------------------------------
img_name, ext = os.path.splitext(os.path.basename(img))
if testset_name == 'srcvte':
video_name = os.path.basename(os.path.dirname(img))
img_L = util.imread_uint(img, n_channels=n_channels)
img_L = util.uint2single(img_L)
# generate degraded LR image
# img_L = ndimage.filters.convolve(img_H, kernel[..., np.newaxis], mode='wrap') # blur
# img_L = sr.downsample_np(img_L, sf, center=False) # downsample, standard s-fold downsampler
# img_L = util.uint2single(img_L) # uint2single
# np.random.seed(seed=0) # for reproducibility
# img_L += np.random.normal(0, noise_level_img, img_L.shape) # add AWGN
util.imshow(util.single2uint(img_L)) if show_img else None
x = util.single2tensor4(img_L)
k = util.single2tensor4(kernel[..., np.newaxis])
sigma = torch.tensor(noise_level_model).float().view(
[1, 1, 1, 1])
[x, k, sigma] = [el.to(device) for el in [x, k, sigma]]
# --------------------------------
# (2) inference
# --------------------------------
x = model(x, k, sf, sigma)
# --------------------------------
# (3) img_E
# --------------------------------
img_E = util.tensor2uint(x)
if save_E:
if testset_name == 'srcvte':
save_path = os.path.join(E_path, video_name)
util.mkdir(save_path)
# util.imsave(img_E, os.path.join(save_path, img_name+'_k'+str(k_index+1)+'.png'))
util.imsave(img_E,
os.path.join(save_path, img_name + '.png'))
else:
util.imsave(
img_E,
os.path.join(
E_path, img_name + '_x' + str(sf) + '_k' +
str(k_index + 1) + '_' + model_name + '.png'))
# --------------------------------
# (4) img_H
# --------------------------------
if need_H:
img_H = util.imread_uint(H_paths[idx],
n_channels=n_channels)
img_H = img_H.squeeze()
img_H = util.modcrop(img_H, sf)
psnr = util.calculate_psnr(
img_E, img_H, border=sf) # change with your own border
ssim = util.calculate_ssim(img_E, img_H, border=sf)
test_results['psnr'].append(psnr)
test_results['ssim'].append(ssim)
if np.ndim(img_H) == 3: # RGB image
img_E_y = util.rgb2ycbcr(img_E, only_y=True)
img_H_y = util.rgb2ycbcr(img_H, only_y=True)
psnr_y = util.calculate_psnr(img_E_y,
img_H_y,
border=sf)
ssim_y = util.calculate_ssim(img_E_y,
img_H_y,
border=sf)
test_results['psnr_y'].append(psnr_y)
test_results['ssim_y'].append(ssim_y)
logger.info(
'{:->4d} --> {:>4s}--> {:>10s} -- x{:>2d} --k{:>2d} PSNR: {:.2f}dB SSIM: {:.4f}'
.format(idx, video_name, img_name + ext, sf,
k_index, psnr_y, ssim_y))
else:
logger.info(
'{:->4d} --> {:>4s}--> {:>10s} -- x{:>2d} --k{:>2d} PSNR: {:.2f}dB SSIM: {:.4f}'
.format(idx, video_name, img_name + ext, sf,
k_index, psnr, ssim))
if need_H:
ave_psnr = sum(test_results['psnr']) / len(
test_results['psnr'])
ave_ssim = sum(test_results['ssim']) / len(
test_results['ssim'])
logger.info(
'Average PSNR/SSIM(RGB) - {} - x{} --PSNR: {:.2f} dB; SSIM: {:.4f}'
.format(result_name, sf, ave_psnr, ave_ssim))
logger.info(
'------> Average PSNR(RGB) - {} - x{}, kernel:{} sigma:{} --PSNR: {:.2f} dB; SSIM: {:.4f}'
.format(testset_name, sf, k_index + 1, noise_level_model,
ave_psnr, ave_ssim))
if np.ndim(img_H) == 3:
ave_psnr_y = sum(test_results['psnr_y']) / len(
test_results['psnr_y'])
ave_ssim_y = sum(test_results['ssim_y']) / len(
test_results['ssim_y'])
logger.info(
'------> Average PSNR(Y) - {} - x{}, kernel:{} sigma:{} --PSNR: {:.2f} dB; SSIM: {:.4f}'
.format(testset_name, sf, k_index + 1,
noise_level_model, ave_psnr_y, ave_ssim_y))
test_results_ave['psnr_sf_k'].append(ave_psnr)
test_results_ave['ssim_sf_k'].append(ave_ssim)
if np.ndim(img_H) == 3:
test_results_ave['psnr_y_sf_k'].append(ave_psnr_y)
test_results_ave['ssim_y_sf_k'].append(ave_ssim_y)
logger.info(test_results_ave['psnr_sf_k'])
logger.info(test_results_ave['ssim_sf_k'])
if np.ndim(img_H) == 3:
logger.info(test_results_ave['psnr_y_sf_k'])
logger.info(test_results_ave['ssim_y_sf_k'])
