doevent commited on
Commit
f1f06ad
1 Parent(s): bdc0c77

Upload data/nocaps_dataset.py

Browse files
Files changed (1) hide show
  1. data/nocaps_dataset.py +32 -0
data/nocaps_dataset.py ADDED
@@ -0,0 +1,32 @@
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
+ import os
2
+ import json
3
+
4
+ from torch.utils.data import Dataset
5
+ from torchvision.datasets.utils import download_url
6
+
7
+ from PIL import Image
8
+
9
+ class nocaps_eval(Dataset):
10
+ def __init__(self, transform, image_root, ann_root, split):
11
+ urls = {'val':'https://storage.googleapis.com/sfr-vision-language-research/datasets/nocaps_val.json',
12
+ 'test':'https://storage.googleapis.com/sfr-vision-language-research/datasets/nocaps_test.json'}
13
+ filenames = {'val':'nocaps_val.json','test':'nocaps_test.json'}
14
+
15
+ download_url(urls[split],ann_root)
16
+
17
+ self.annotation = json.load(open(os.path.join(ann_root,filenames[split]),'r'))
18
+ self.transform = transform
19
+ self.image_root = image_root
20
+
21
+ def __len__(self):
22
+ return len(self.annotation)
23
+
24
+ def __getitem__(self, index):
25
+
26
+ ann = self.annotation[index]
27
+
28
+ image_path = os.path.join(self.image_root,ann['image'])
29
+ image = Image.open(image_path).convert('RGB')
30
+ image = self.transform(image)
31
+
32
+ return image, int(ann['img_id'])