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"""
CelebFaces Attributes (CelebA) Dataset
https://www.kaggle.com/datasets/jessicali9530/celeba-dataset
"""
import os
import torch
from PIL import Image
from torch.utils.data import DataLoader, Dataset
from torchvision import transforms
class CelebADataset(Dataset):
def __init__(self, root, img_shape=(64, 64)) -> None:
super().__init__()
self.root = root
self.img_shape = img_shape
self.filenames = sorted(os.listdir(root))
def __len__(self) -> int:
return len(self.filenames)
def __getitem__(self, index: int):
path = os.path.join(self.root, self.filenames[index])
img = Image.open(path).convert('RGB')
pipeline = transforms.Compose([
transforms.CenterCrop(168),
transforms.Resize(self.img_shape),
transforms.ToTensor()
])
return pipeline(img)
def get_dataloader(root='data/celebA/img_align_celeba', **kwargs):
dataset = CelebADataset(root, **kwargs)
return DataLoader(dataset, 16, shuffle=True)
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