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main_test_ffdnet_LM.py
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import os.path
import logging
import numpy as np
from collections import OrderedDict
import torch
from utils import utils_logger
from utils import utils_image as util
'''
Spyder (Python 3.6)
PyTorch 1.1.0
Windows 10 or Linux
Kai Zhang (cskaizhang@gmail.com)
github: https://github.com/cszn/KAIR
https://github.com/cszn/FFDNet
@article{zhang2018ffdnet,
title={FFDNet: Toward a fast and flexible solution for CNN-based image denoising},
author={Zhang, Kai and Zuo, Wangmeng and Zhang, Lei},
journal={IEEE Transactions on Image Processing},
volume={27},
number={9},
pages={4608--4622},
year={2018},
publisher={IEEE}
}
% If you have any question, please feel free to contact with me.
% Kai Zhang (e-mail: cskaizhang@gmail.com; github: https://github.com/cszn)
by Kai Zhang (12/Dec./2019)
'''
"""
# --------------------------------------------
|--model_zoo # model_zoo
|--ffdnet_gray # model_name, for color images
|--ffdnet_color
|--ffdnet_color_clip # for clipped uint8 color images
|--ffdnet_gray_clip
|--testset # testsets
|--set12 # testset_name
|--bsd68
|--cbsd68
|--results # results
|--set12_ffdnet_gray # result_name = testset_name + '_' + model_name
|--set12_ffdnet_color
|--cbsd68_ffdnet_color_clip
# --------------------------------------------
"""
def main():
# ----------------------------------------
# Preparation
# ----------------------------------------
###### /!/ ICI ON GERE LE NOISE LEVEL
noise_level_img = 30 # noise level for noisy image
noise_level_model = noise_level_img # noise level for model
model_name = 'loss_L1_view_L5_LM' # 'ffdnet_gray' | 'ffdnet_color' | 'ffdnet_color_clip' | 'ffdnet_gray_clip'
testset_name = 'bsd68' # test set, 'bsd68' | 'cbsd68' | 'set12'
need_degradation = False # 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) Noise_level with local_means
# ------------------------------------
kernel_size=4
sigma = 0 * img_L
for i in range(kernel_size,sigma.size()[-2]-kernel_size):
for j in range(kernel_size,sigma.size()[-1]-kernel_size):
sigma[:,:,i,j] = img_L[:,:,i-kernel_size:i+kernel_size,j-kernel_size:j+kernel_size].mean(axis=3).mean(axis=2)
sigma=(noise_level_img/255)*(sigma/sigma.max())
img_E = model(img_L, sigma)
img_E = util.tensor2uint(img_E*1.1)
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))
if __name__ == '__main__':
main()