Dataset
Dataset类是torch中的一个常用的用于数据数据集读取的类
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
| import torch
from torch.utils.data import Dataset
from PIL import Image
import os
class MyDataset(Dataset):
def __init__(self, root_dir, label_dir):
self.root_dir = root_dir
self.label_dir = label_dir
self.path = os.path.join(self.root_dir, self.label_dir)
self.img_dir = os.listdir(self.path)
def __getitem__(self,idx):
img_name = self.img_dir[idx]
img_item_pth = os.path.join(self.root_dir, self.label_dir, img_name)
img = Image.open(img_item_pth)
img = img.convert('RGB')
label = self.label_dir
return img, label
def __len__(self):
return len(self.img_dir)
if __name__ == '__main__':
root_dir = 'Data/hymenoptera_data/train'
ants_dir = 'ants'
bees_dir = 'bees'
ants = MyDataset(root_dir, ants_dir)
bees = MyDataset(root_dir, bees_dir)
|
