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Multilingual benchmark datasets (#113)
* Updated XTD10 dataset. * Added Crossmodal-3600. * Added XTD200 and NLLB-CLIP. * Added Flickr30k-200. * Fixed datasets. * Fixed xm3600. * Added folders processing. * Fixed flickr30k-200.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,152 @@ | ||
| import codecs | ||
| import json | ||
| import os | ||
| from subprocess import call | ||
|
|
||
| from PIL import Image | ||
| from torchvision.datasets import VisionDataset | ||
|
|
||
| SUPPORTED_LANGUAGES = [ | ||
| "ar", | ||
| "bn", | ||
| "cs", | ||
| "da", | ||
| "de", | ||
| "el", | ||
| "en", | ||
| "es", | ||
| "fa", | ||
| "fi", | ||
| "fil", | ||
| "fr", | ||
| "he", | ||
| "hi", | ||
| "hr", | ||
| "hu", | ||
| "id", | ||
| "it", | ||
| "ja", | ||
| "ko", | ||
| "mi", | ||
| "nl", | ||
| "no", | ||
| "pl", | ||
| "pt", | ||
| "quz", | ||
| "ro", | ||
| "ru", | ||
| "sv", | ||
| "sw", | ||
| "te", | ||
| "th", | ||
| "tr", | ||
| "uk", | ||
| "vi", | ||
| "zh", | ||
| ] | ||
|
|
||
| CAPTIONS_DOWNLOAD_URL = "https://google.github.io/crossmodal-3600/web-data/captions.zip" | ||
| IMAGES_DOWNLOAD_URL = ( | ||
| "https://open-images-dataset.s3.amazonaws.com/crossmodal-3600/images.tgz" | ||
| ) | ||
| OUTPUT_FILENAME_TEMPLATE = "crossmodal3600_captions-{}.json" | ||
|
|
||
|
|
||
| class Crossmodal3600(VisionDataset): | ||
| def __init__(self, root, ann_file, transform=None, target_transform=None): | ||
| super().__init__(root, transform=transform, target_transform=target_transform) | ||
| self.ann_file = os.path.expanduser(ann_file) | ||
| with codecs.open(ann_file, "r", encoding="utf-8") as fp: | ||
| data = json.load(fp) | ||
| self.data = [ | ||
| (img_path, txt) | ||
| for img_path, txt in zip(data["image_paths"], data["annotations"]) | ||
| ] | ||
|
|
||
| def __getitem__(self, index): | ||
| img, captions = self.data[index] | ||
|
|
||
| # Image | ||
| img = Image.open(img).convert("RGB") | ||
| if self.transform is not None: | ||
| img = self.transform(img) | ||
|
|
||
| # Captions | ||
| target = [ | ||
| captions, | ||
| ] | ||
| if self.target_transform is not None: | ||
| target = self.target_transform(target) | ||
|
|
||
| return img, target | ||
|
|
||
| def __len__(self) -> int: | ||
| return len(self.data) | ||
|
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||
|
|
||
| def _download_captions(out_path): | ||
| os.makedirs(out_path, exist_ok=True) | ||
| print("Downloading captions") | ||
| call(f"wget {CAPTIONS_DOWNLOAD_URL} -O captions.zip", shell=True) | ||
| call(f"unzip captions.zip -d {out_path}", shell=True) | ||
| call("rm captions.zip", shell=True) | ||
|
|
||
|
|
||
| def _download_images(out_path): | ||
| os.makedirs(out_path, exist_ok=True) | ||
| print("Downloading images") | ||
| call(f"wget {IMAGES_DOWNLOAD_URL} -O images.tgz", shell=True) | ||
| call(f"tar -xzf images.tgz -C {out_path}", shell=True) | ||
| call("rm images.tgz", shell=True) | ||
|
|
||
|
|
||
| def create_annotation_file(root, lang_code): | ||
| if lang_code not in SUPPORTED_LANGUAGES: | ||
| raise ValueError( | ||
| f"Language code {lang_code} not supported. Supported languages are {SUPPORTED_LANGUAGES}" | ||
| ) | ||
| data_dir = os.path.join(root, "xm3600") | ||
| images_dir = os.path.join(data_dir, "images") | ||
| if not os.path.exists(images_dir): | ||
| _download_images(images_dir) | ||
| captions_path = os.path.join(data_dir, "captions.jsonl") | ||
| if not os.path.exists(captions_path): | ||
| _download_captions(data_dir) | ||
| with open(captions_path, "r", encoding="utf-8") as f: | ||
| data = f.readlines() | ||
| data = [json.loads(line) for line in data] | ||
|
|
||
| number_of_missing_images = 0 | ||
| valid_images, valid_annotations, valid_indicies = [], [], [] | ||
| for i, data_item in enumerate(data): | ||
| image_id = data_item["image/key"] | ||
| image_name = f"{image_id}.jpg" | ||
| image_path = os.path.join(images_dir, image_name) | ||
| if not os.path.exists(image_path): | ||
| print("Missing image file", image_name) | ||
| number_of_missing_images += 1 | ||
| continue | ||
| captions = data_item[lang_code]["caption"] | ||
| txt = captions[0] | ||
|
|
||
| valid_images.append(image_path) | ||
| valid_annotations.append(txt) | ||
| valid_indicies.append(i) | ||
|
|
||
| if number_of_missing_images > 0: | ||
| print(f"*** WARNING *** missing {number_of_missing_images} files.") | ||
|
|
||
| with codecs.open( | ||
| os.path.join(root, OUTPUT_FILENAME_TEMPLATE.format(lang_code)), | ||
| "w", | ||
| encoding="utf-8", | ||
| ) as fp: | ||
| json.dump( | ||
| { | ||
| "image_paths": valid_images, | ||
| "annotations": valid_annotations, | ||
| "indicies": valid_indicies, | ||
| }, | ||
| fp, | ||
| ensure_ascii=False, | ||
| ) |
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