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10.8 kB
| import argparse | |
| import glob | |
| import os | |
| from PIL import Image | |
| import cv2 | |
| import math | |
| import numpy as np | |
| import os | |
| import os.path as osp | |
| import random | |
| import time | |
| import torch | |
| from tqdm import tqdm | |
| from basicsr.data.degradations import circular_lowpass_kernel, random_mixed_kernels | |
| from basicsr.data.transforms import augment | |
| from basicsr.utils import FileClient, get_root_logger, imfrombytes, img2tensor | |
| from basicsr.utils.registry import DATASET_REGISTRY | |
| from torch.utils import data as data | |
| from torchvision.transforms.functional import center_crop | |
| import torchvision.transforms as T | |
| from torchvision.utils import save_image | |
| from basicsr.data.degradations import random_add_gaussian_noise_pt, random_add_poisson_noise_pt | |
| from basicsr.data.transforms import paired_random_crop | |
| from basicsr.utils import DiffJPEG, USMSharp | |
| from basicsr.utils.img_process_util import filter2D | |
| from basicsr.utils.registry import MODEL_REGISTRY | |
| from collections import OrderedDict | |
| from torch.nn import functional as F | |
| cfg = { | |
| # dataset info. | |
| "name": "DF2K+OST", | |
| "type": "RealESRGANDataset", | |
| "dataroot_gt": "/home/CORP/hsiang.chen/Project/Datasets/IR/SuperResolution", | |
| "meta_train": [ | |
| "DIV2K/metas/DIV2K_train_HR.list", | |
| "Flickr2K/metas/Flickr2K.list", | |
| # "OST/metas/OST.list", | |
| ], | |
| "meta_test": ["DIV2K/metas/DIV2K_valid_HR.list"], | |
| # the first degradation process | |
| "resize_prob": [0.2, 0.7, 0.1], # up, down, keep | |
| "resize_range": [0.15, 1.5], | |
| "gaussian_noise_prob": 0.5, | |
| "noise_range": [1, 30], | |
| "poisson_scale_range": [0.05, 3], | |
| "gray_noise_prob": 0.4, | |
| "jpeg_range": [30, 95], | |
| "blur_kernel_size": 21, | |
| "kernel_list": ['iso', 'aniso', 'generalized_iso', 'generalized_aniso', 'plateau_iso', 'plateau_aniso'], | |
| "kernel_prob": [0.45, 0.25, 0.12, 0.03, 0.12, 0.03], | |
| "sinc_prob": 0.1, | |
| "blur_sigma": [0.2, 3], | |
| "betag_range": [0.5, 4], | |
| "betap_range": [1, 2], | |
| # the second degradation process | |
| "second_blur_prob": 0.8, | |
| "resize_prob2": [0.3, 0.4, 0.3], # up, down, keep | |
| "resize_range2": [0.3, 1.2], | |
| "gaussian_noise_prob2": 0.5, | |
| "noise_range2": [1, 25], | |
| "poisson_scale_range2": [0.05, 2.5], | |
| "gray_noise_prob2": 0.4, | |
| "jpeg_range2": [30, 95], | |
| "blur_kernel_size2": 21, | |
| "kernel_list2": ['iso', 'aniso', 'generalized_iso', 'generalized_aniso', 'plateau_iso', 'plateau_aniso'], | |
| "kernel_prob2": [0.45, 0.25, 0.12, 0.03, 0.12, 0.03], | |
| "sinc_prob2": 0.1, | |
| "blur_sigma2": [0.2, 1.5], | |
| "betag_range2": [0.5, 4], | |
| "betap_range2": [1, 2], | |
| "final_sinc_prob": 0.8, | |
| "gt_size": 512, | |
| "keep_ratio": True, | |
| "use_hflip": True, | |
| "use_rot": False, | |
| # data loader | |
| "use_shuffle": True, | |
| "num_worker_per_gpu": 5, | |
| "batch_size_per_gpu": 12, | |
| "dataset_enlarge_ratio": 1, | |
| "prefetch_mode": None, | |
| } | |
| def set_seed(seed=42): | |
| random.seed(seed) | |
| np.random.seed(seed) | |
| torch.manual_seed(seed) | |
| torch.cuda.manual_seed(seed) | |
| torch.cuda.manual_seed_all(seed) | |
| torch.backends.cudnn.deterministic = True | |
| torch.backends.cudnn.benchmark = False | |
| class NoiseDataset(data.Dataset): | |
| """Dataset used for Denoise model: | |
| synthetic Gaussian and Poisson noise dataset. | |
| """ | |
| def __init__(self, opt, train=True, level=None): | |
| super(NoiseDataset, self).__init__() | |
| self.opt = opt | |
| # kernel define | |
| self.data_rt = opt['dataroot_gt'] | |
| # dataload | |
| self.train = train | |
| if self.train: | |
| self.metas = opt['meta_train'] | |
| else: | |
| self.metas = opt['meta_test'] | |
| self.paths = [] | |
| for meta in self.metas: | |
| with open(os.path.join(self.data_rt, meta)) as fin: | |
| self.paths += [line.strip().split(' ')[1] for line in fin] | |
| # hyperparameter | |
| self.device = torch.cuda.current_device() | |
| self.jpeger = DiffJPEG(differentiable=False).to(self.device) # simulate JPEG compression artifacts | |
| self.usm_sharpener = USMSharp().to(self.device) # do usm sharpening | |
| self.resize = opt['gt_size'] | |
| self.keep_ratio = opt['keep_ratio'] | |
| # function | |
| self.crop = T.RandomCrop((self.resize, self.resize)) | |
| self.flip = T.RandomHorizontalFlip() | |
| self.transform = T.Compose( | |
| [ | |
| # T.ToDtype(torch.float32, scale=True), # only support for torch 2.++ | |
| T.ToTensor(), | |
| ] | |
| ) | |
| # noise | |
| self.sigma = [0.0588, 0.0784, 0.098, 0.1451, 0.1961] # 5 levels: 15, 20, 25, 37, 50 | |
| if level: | |
| self.level = [level] | |
| else: | |
| self.level = [1,2,3,4,5] | |
| def __getitem__(self, index): | |
| # -------------------------------- Load gt images -------------------------------- # | |
| gt_path = self.paths[index] | |
| img_gt = Image.open(gt_path).convert("RGB") | |
| # -------------------------------- Image Process -------------------------------- | |
| # resize | |
| h, w = img_gt.height, img_gt.width | |
| if self.keep_ratio: | |
| ratio = self.resize / min(h, w) | |
| h_new, w_new = round(h * ratio * 1.2), round(w * ratio * 1.2) | |
| img_gt = img_gt.resize((w_new, h_new), resample=Image.LANCZOS) | |
| else: | |
| img_gt = img_gt.resize((self.resize, self.resize), resample=Image.LANCZOS) | |
| # crop and | |
| img_gt = self.crop(img_gt) | |
| # flip (only for train) | |
| if self.train: | |
| img_gt = self.flip(img_gt) | |
| # transform to tensor | |
| img_gt = self.transform(img_gt).to(torch.float32) | |
| # -------------------------------- Generate Noise -------------------------------- | |
| # Poisson Noise | |
| peak = 255 | |
| lam = torch.clamp(img_gt, 0, 1) * peak | |
| counts = torch.poisson(lam) | |
| img_poisson = torch.clamp(counts / float(peak), 0.0, 1.0) | |
| # Gaussian Noise | |
| level = random.choice(self.level) | |
| noise = torch.randn(size=img_poisson.size()) | |
| img_poisson_gaussian = torch.clamp(img_poisson + self.sigma[level-1] * noise, 0., 1.) | |
| return img_poisson_gaussian, img_gt, gt_path | |
| def __len__(self): | |
| return len(self.paths) | |
| def poisson_gaussian_sampler(): | |
| """ | |
| It is now used for DF2K dataset (DIV2K + Flickr 2K) | |
| """ | |
| parser = argparse.ArgumentParser() | |
| parser.add_argument('--level', type=int, default=None, help='train: one to many') | |
| args = parser.parse_args() | |
| if args.level: | |
| level = args.level | |
| else: | |
| level = [1,3,5] | |
| # generate training dataset | |
| for number in level: | |
| print("="*100) | |
| print(f"Generate Noise Level {number}...") | |
| dataset = NoiseDataset(cfg, train=True, level=number) | |
| data_dl = data.DataLoader( | |
| dataset, | |
| batch_size = 1 | |
| ) | |
| print("Train Data:", dataset.data_rt, len(data_dl)) | |
| meta_info = {} | |
| for sample in tqdm(data_dl): | |
| lq, hq, path = sample | |
| # /home/CORP/hsiang.chen/Project/Datasets/IR/SuperResolution/DIV2K/DIV2K_train_HR/0098.png | |
| file_name = os.path.basename(path[0]) | |
| gt_folder = os.path.dirname(path[0]) # /home/CORP/hsiang.chen/Project/Datasets/IR/SuperResolution/DIV2K/DIV2K_train_HR/ | |
| if "DIV2K_train_HR" in gt_folder or "DIV2K_valid_HR" in gt_folder: | |
| hq_folder = gt_folder.replace("HR", f"pair/Noise_L{number}/HQ") | |
| lq_folder = gt_folder.replace("HR", f"pair/Noise_L{number}/LQ") | |
| else: | |
| hq_folder = os.path.join(gt_folder.replace("images", f"images_pair/Noise_L{number}"), "HQ/") | |
| lq_folder = os.path.join(gt_folder.replace("images", f"images_pair/Noise_L{number}"), "LQ/") | |
| os.makedirs(hq_folder, exist_ok=True) | |
| os.makedirs(lq_folder, exist_ok=True) | |
| hq_path = os.path.join(hq_folder, file_name) | |
| lq_path = os.path.join(lq_folder, file_name) | |
| save_image(hq[0], hq_path) | |
| save_image(lq[0], lq_path) | |
| dset = os.path.relpath(gt_folder, dataset.data_rt).split("/")[0] | |
| if dset not in meta_info: | |
| meta_info[dset] = [(lq_path, hq_path)] | |
| else: | |
| meta_info[dset].append((lq_path, hq_path)) | |
| for dset, dlist in meta_info.items(): | |
| with open(os.path.join(dataset.data_rt,'{}/metas/{}_train_Noise_L{}.list'.format(dset, dset, number)), 'w') as fp: | |
| for item in dlist: | |
| fp.write('{} {} {}\n'.format(item[0], item[1], None)) | |
| print(os.path.join(dataset.data_rt,'{}/metas/{}_train_Noise_L{}.list'.format(dset, dset, number)), len(dlist)) | |
| # generate testing dataset | |
| dataset = NoiseDataset(cfg, train=False) | |
| data_dl = data.DataLoader( | |
| dataset, | |
| batch_size = 1 | |
| ) | |
| print("Test Data:", dataset.data_rt, len(data_dl)) | |
| print("="*100) | |
| print(f"Generate Testing Noise...") | |
| meta_info = {} | |
| for sample in tqdm(data_dl): | |
| lq, hq, path = sample | |
| # /home/CORP/hsiang.chen/Project/Datasets/IR/SuperResolution/DIV2K/DIV2K_train_HR/0098.png | |
| file_name = os.path.basename(path[0]) | |
| gt_folder = os.path.dirname(path[0]) # /home/CORP/hsiang.chen/Project/Datasets/IR/SuperResolution/DIV2K/DIV2K_train_HR/ | |
| if "DIV2K_train_HR" in gt_folder or "DIV2K_valid_HR" in gt_folder: | |
| hq_folder = gt_folder.replace("HR", f"pair/Noise/HQ") | |
| lq_folder = gt_folder.replace("HR", f"pair/Noise/LQ") | |
| else: | |
| hq_folder = os.path.join(gt_folder.replace("images", f"images_pair/Noise"), "HQ/") | |
| lq_folder = os.path.join(gt_folder.replace("images", f"images_pair/Noise"), "LQ/") | |
| os.makedirs(hq_folder, exist_ok=True) | |
| os.makedirs(lq_folder, exist_ok=True) | |
| hq_path = os.path.join(hq_folder, file_name) | |
| lq_path = os.path.join(lq_folder, file_name) | |
| save_image(hq[0], hq_path) | |
| save_image(lq[0], lq_path) | |
| dset = os.path.relpath(gt_folder, dataset.data_rt).split("/")[0] | |
| if dset not in meta_info: | |
| meta_info[dset] = [(lq_path, hq_path)] | |
| else: | |
| meta_info[dset].append((lq_path, hq_path)) | |
| for dset, dlist in meta_info.items(): | |
| with open(os.path.join(dataset.data_rt,'{}/metas/{}_valid_Noise.list'.format(dset, dset)), 'w') as fp: | |
| for item in dlist: | |
| fp.write('{} {} {}\n'.format(item[0], item[1], None)) | |
| print(os.path.join(dataset.data_rt,'{}/metas/{}_valid_Noise.list'.format(dset, dset)), len(dlist)) | |
| if __name__ == '__main__': | |
| set_seed(1229) | |
| # poisson_gaussian for data generation | |
| poisson_gaussian_sampler() | |
| # python 3_generate_noise.py |