chenxuanhong
253 lines
12 KiB
Python
253 lines
12 KiB
Python
#!/usr/bin/env python3
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# -*- coding:utf-8 -*-
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#############################################################
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# File: data_loader_modify.py
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# Created Date: Saturday April 4th 2020
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# Author: Chen Xuanhong
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# Email: chenxuanhongzju@outlook.com
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# Last Modified: Sunday, 4th July 2021 11:12:42 pm
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# Modified By: Chen Xuanhong
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# Copyright (c) 2020 Shanghai Jiao Tong University
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#############################################################
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import os
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import torch
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import random
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from PIL import Image
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from pathlib import Path
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from torch.utils import data
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import torchvision.datasets as dsets
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from torchvision import transforms as T
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from data_tools.StyleResize import StyleResize
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# from StyleResize import StyleResize
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class data_prefetcher():
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def __init__(self, loader):
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self.loader = loader
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self.dataiter = iter(loader)
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self.stream = torch.cuda.Stream()
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# self.mean = torch.tensor([0.485 * 255, 0.456 * 255, 0.406 * 255]).cuda().view(1,3,1,1)
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# self.std = torch.tensor([0.229 * 255, 0.224 * 255, 0.225 * 255]).cuda().view(1,3,1,1)
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# With Amp, it isn't necessary to manually convert data to half.
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# if args.fp16:
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# self.mean = self.mean.half()
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# self.std = self.std.half()
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self.preload()
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def preload(self):
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try:
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self.content, self.style, self.label = next(self.dataiter)
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except StopIteration:
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self.dataiter = iter(self.loader)
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self.content, self.style, self.label = next(self.dataiter)
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with torch.cuda.stream(self.stream):
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self.content= self.content.cuda(non_blocking=True)
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self.style = self.style.cuda(non_blocking=True)
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self.label = self.label.cuda(non_blocking=True)
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# With Amp, it isn't necessary to manually convert data to half.
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# if args.fp16:
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# self.next_input = self.next_input.half()
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# else:
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# self.next_input = self.next_input.float()
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# self.next_input = self.next_input.sub_(self.mean).div_(self.std)
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def next(self):
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torch.cuda.current_stream().wait_stream(self.stream)
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content = self.content
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style = self.style
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label = self.label
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self.preload()
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return content, style, label
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class TotalDataset(data.Dataset):
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"""Dataset class for the Artworks dataset and content dataset."""
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def __init__(self, content_image_dir,style_image_dir,
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selectedContent,selectedStyle,
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content_transform,style_transform,
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subffix='jpg', random_seed=1234):
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"""Initialize and preprocess the CelebA dataset."""
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self.content_image_dir = content_image_dir
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self.style_image_dir = style_image_dir
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self.content_transform = content_transform
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self.style_transform = style_transform
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self.selectedContent = selectedContent
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self.selectedStyle = selectedStyle
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self.subffix = subffix
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self.content_dataset = []
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self.art_dataset = []
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self.random_seed = random_seed
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self.preprocess()
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self.num_images = len(self.content_dataset)
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self.art_num = len(self.art_dataset)
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def preprocess(self):
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"""Preprocess the Artworks dataset."""
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print("processing content images...")
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for dir_item in self.selectedContent:
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join_path = Path(self.content_image_dir,dir_item)
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if join_path.exists():
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print("processing %s"%dir_item,end='\r')
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images = join_path.glob('*.%s'%(self.subffix))
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for item in images:
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self.content_dataset.append(item)
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else:
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print("%s dir does not exist!"%dir_item,end='\r')
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label_index = 0
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print("processing style images...")
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for class_item in self.selectedStyle:
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images = Path(self.style_image_dir).glob('%s/*.%s'%(class_item, self.subffix))
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for item in images:
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self.art_dataset.append([item, label_index])
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label_index += 1
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random.seed(self.random_seed)
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random.shuffle(self.content_dataset)
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random.shuffle(self.art_dataset)
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# self.dataset = images
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print('Finished preprocessing the Art Works dataset, total image number: %d...'%len(self.art_dataset))
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print('Finished preprocessing the Content dataset, total image number: %d...'%len(self.content_dataset))
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def __getitem__(self, index):
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"""Return one image and its corresponding attribute label."""
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filename = self.content_dataset[index]
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image = Image.open(filename)
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content = self.content_transform(image)
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art_index = random.randint(0,self.art_num-1)
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filename,label = self.art_dataset[art_index]
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image = Image.open(filename)
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style = self.style_transform(image)
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return content,style,label
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def __len__(self):
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"""Return the number of images."""
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return self.num_images
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def GetLoader( dataset_roots,
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batch_size=16,
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crop_size=512,
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**kwargs
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):
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"""Build and return a data loader."""
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if not kwargs:
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a = "Input params error!"
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raise ValueError(print(a))
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colorJitterEnable = kwargs["color_jitter"]
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colorConfig = kwargs["color_config"]
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num_workers = kwargs["dataloader_workers"]
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num_workers = kwargs["dataloader_workers"]
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place365_root = dataset_roots["Place365_big"]
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wikiart_root = dataset_roots["WikiArt"]
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selected_c_dir = kwargs["selected_content_dir"]
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selected_s_dir = kwargs["selected_style_dir"]
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random_seed = kwargs["random_seed"]
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s_transforms = []
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c_transforms = []
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s_transforms.append(StyleResize())
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# s_transforms.append(T.Resize(900))
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c_transforms.append(T.Resize(900))
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s_transforms.append(T.RandomCrop(crop_size, pad_if_needed=True, padding_mode='reflect'))
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c_transforms.append(T.RandomCrop(crop_size))
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s_transforms.append(T.RandomHorizontalFlip())
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c_transforms.append(T.RandomHorizontalFlip())
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s_transforms.append(T.RandomVerticalFlip())
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c_transforms.append(T.RandomVerticalFlip())
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if colorJitterEnable:
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if colorConfig is not None:
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print("Enable color jitter!")
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colorBrightness = colorConfig["brightness"]
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colorContrast = colorConfig["contrast"]
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colorSaturation = colorConfig["saturation"]
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colorHue = (-colorConfig["hue"],colorConfig["hue"])
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s_transforms.append(T.ColorJitter(brightness=colorBrightness,\
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contrast=colorContrast,saturation=colorSaturation, hue=colorHue))
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c_transforms.append(T.ColorJitter(brightness=colorBrightness,\
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contrast=colorContrast,saturation=colorSaturation, hue=colorHue))
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s_transforms.append(T.ToTensor())
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c_transforms.append(T.ToTensor())
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s_transforms.append(T.Normalize(mean=(0.5, 0.5, 0.5), std=(0.5, 0.5, 0.5)))
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c_transforms.append(T.Normalize(mean=(0.5, 0.5, 0.5), std=(0.5, 0.5, 0.5)))
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s_transforms = T.Compose(s_transforms)
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c_transforms = T.Compose(c_transforms)
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content_dataset = TotalDataset(place365_root,wikiart_root,
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selected_c_dir, selected_s_dir,
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c_transforms, s_transforms, "jpg", random_seed)
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content_data_loader = data.DataLoader(dataset=content_dataset,batch_size=batch_size,
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drop_last=True,shuffle=True,num_workers=num_workers,pin_memory=True)
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prefetcher = data_prefetcher(content_data_loader)
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return prefetcher
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def denorm(x):
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out = (x + 1) / 2
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return out.clamp_(0, 1)
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if __name__ == "__main__":
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from torchvision.utils import save_image
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style_class = ["vangogh","picasso","samuel"]
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categories_names = \
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['a/abbey', 'a/arch', 'a/amphitheater', 'a/aqueduct', 'a/arena/rodeo', 'a/athletic_field/outdoor',
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'b/badlands', 'b/balcony/exterior', 'b/bamboo_forest', 'b/barn', 'b/barndoor', 'b/baseball_field',
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'b/basilica', 'b/bayou', 'b/beach', 'b/beach_house', 'b/beer_garden', 'b/boardwalk', 'b/boathouse',
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'b/botanical_garden', 'b/bullring', 'b/butte', 'c/cabin/outdoor', 'c/campsite', 'c/campus',
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'c/canal/natural', 'c/canal/urban', 'c/canyon', 'c/castle', 'c/church/outdoor', 'c/chalet',
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'c/cliff', 'c/coast', 'c/corn_field', 'c/corral', 'c/cottage', 'c/courtyard', 'c/crevasse',
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'd/dam', 'd/desert/vegetation', 'd/desert_road', 'd/doorway/outdoor', 'f/farm', 'f/fairway',
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'f/field/cultivated', 'f/field/wild', 'f/field_road', 'f/fishpond', 'f/florist_shop/indoor',
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'f/forest/broadleaf', 'f/forest_path', 'f/forest_road', 'f/formal_garden', 'g/gazebo/exterior',
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'g/glacier', 'g/golf_course', 'g/greenhouse/indoor', 'g/greenhouse/outdoor', 'g/grotto', 'g/gorge',
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'h/hayfield', 'h/herb_garden', 'h/hot_spring', 'h/house', 'h/hunting_lodge/outdoor', 'i/ice_floe',
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'i/ice_shelf', 'i/iceberg', 'i/inn/outdoor', 'i/islet', 'j/japanese_garden', 'k/kasbah',
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'k/kennel/outdoor', 'l/lagoon', 'l/lake/natural', 'l/lawn', 'l/library/outdoor', 'l/lighthouse',
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'm/mansion', 'm/marsh', 'm/mausoleum', 'm/moat/water', 'm/mosque/outdoor', 'm/mountain',
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'm/mountain_path', 'm/mountain_snowy', 'o/oast_house', 'o/ocean', 'o/orchard', 'p/park',
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'p/pasture', 'p/pavilion', 'p/picnic_area', 'p/pier', 'p/pond', 'r/raft', 'r/railroad_track',
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'r/rainforest', 'r/rice_paddy', 'r/river', 'r/rock_arch', 'r/roof_garden', 'r/rope_bridge',
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'r/ruin', 's/schoolhouse', 's/sky', 's/snowfield', 's/swamp', 's/swimming_hole',
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's/synagogue/outdoor', 't/temple/asia', 't/topiary_garden', 't/tree_farm', 't/tree_house',
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'u/underwater/ocean_deep', 'u/utility_room', 'v/valley', 'v/vegetable_garden', 'v/viaduct',
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'v/village', 'v/vineyard', 'v/volcano', 'w/waterfall', 'w/watering_hole', 'w/wave',
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'w/wheat_field', 'z/zen_garden', 'a/alcove', 'a/apartment-building/outdoor', 'a/artists_loft',
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'b/building_facade', 'c/cemetery']
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s_datapath = "D:\\F_Disk\\data_set\\Art_Data\\data_art_backup"
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c_datapath = "D:\\Downloads\\data_large"
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savepath = "D:\\PatchFace\\PleaseWork\\multi-style-gan\\StyleTransfer\\dataloader_test"
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imsize = 512
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s_datasetloader= getLoader(s_datapath,c_datapath,
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style_class, categories_names,
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crop_size=imsize, batch_size=16, num_workers=4)
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wocao = iter(s_datasetloader)
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for i in range(500):
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print("new batch")
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s_image,c_image,label = next(wocao)
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print(label)
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# print(label)
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# saved_image1 = torch.cat([denorm(image.data),denorm(hahh.data)],3)
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# save_image(denorm(image), "%s\\%d-label-%d.jpg"%(savepath,i), nrow=1, padding=1)
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pass
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# import cv2
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# import os
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# for dir_item in categories_names:
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# join_path = Path(contentdatapath,dir_item)
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# if join_path.exists():
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# print("processing %s"%dir_item,end='\r')
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# images = join_path.glob('*.%s'%("jpg"))
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# for item in images:
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# temp_path = str(item)
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# # temp = cv2.imread(temp_path)
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# temp = Image.open(temp_path)
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# if temp.layers<3:
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# print("remove broken image...")
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# print("image name:%s"%temp_path)
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# del temp
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# os.remove(item) |