Files
Aladdin Persson 2a397b17e2 cyclegan
2021-03-06 21:09:08 +01:00

42 lines
1.3 KiB
Python

from PIL import Image
import os
from torch.utils.data import Dataset
import numpy as np
class HorseZebraDataset(Dataset):
def __init__(self, root_zebra, root_horse, transform=None):
self.root_zebra = root_zebra
self.root_horse = root_horse
self.transform = transform
self.zebra_images = os.listdir(root_zebra)
self.horse_images = os.listdir(root_horse)
self.length_dataset = max(len(self.zebra_images), len(self.horse_images)) # 1000, 1500
self.zebra_len = len(self.zebra_images)
self.horse_len = len(self.horse_images)
def __len__(self):
return self.length_dataset
def __getitem__(self, index):
zebra_img = self.zebra_images[index % self.zebra_len]
horse_img = self.horse_images[index % self.horse_len]
zebra_path = os.path.join(self.root_zebra, zebra_img)
horse_path = os.path.join(self.root_horse, horse_img)
zebra_img = np.array(Image.open(zebra_path).convert("RGB"))
horse_img = np.array(Image.open(horse_path).convert("RGB"))
if self.transform:
augmentations = self.transform(image=zebra_img, image0=horse_img)
zebra_img = augmentations["image"]
horse_img = augmentations["image0"]
return zebra_img, horse_img