Change imagenet_v2 URLs.

In modestyachts/ImageNetV2#12, the author of the dataset warns that they uploaded all the resources to the Hugging Face hub.

PiperOrigin-RevId: 523369004

Author: marcenacp

docs/overview.ipynb

@@ -675,7 +675,7 @@
         "\n",
         "To find out which urls to download, look into:\n",
         "\n",
-        " * For new datasets (implemented as folder): [`tensorflow_datasets/`](https://github.com/tensorflow/datasets/tree/master/tensorflow_datasets/)`\u003ctype\u003e/\u003cdataset_name\u003e/checksums.tsv`. For example: [`tensorflow_datasets/text/bool_q/checksums.tsv`](https://github.com/tensorflow/datasets/blob/master/tensorflow_datasets/text/bool_q/checksums.tsv).\n",
+        " * For new datasets (implemented as folder): [`tensorflow_datasets/`](https://github.com/tensorflow/datasets/tree/master/tensorflow_datasets/)`\u003ctype\u003e/\u003cdataset_name\u003e/checksums.tsv`. For example: [`tensorflow_datasets/datasets/bool_q/checksums.tsv`](https://github.com/tensorflow/datasets/blob/master/tensorflow_datasets/datasets/bool_q/checksums.tsv).\n",
         "\n",
         "   You can find the dataset source location in [our catalog](https://www.tensorflow.org/datasets/catalog/overview).\n",
         " * For old datasets: [`tensorflow_datasets/url_checksums/\u003cdataset_name\u003e.txt`](https://github.com/tensorflow/datasets/tree/master/tensorflow_datasets/url_checksums)\n",

tensorflow_datasets/datasets/imagenet_v2/checksums.tsv

@@ -1,3 +1,3 @@
-https://s3-us-west-2.amazonaws.com/imagenetv2public/imagenetv2-matched-frequency.tar.gz	1264079360	f0c37fdf925916b19ea1323cd9a2208cdb6959ba2c32eef2a7fc393835c9ca7c	imagenetv2-matched-frequency.tar.gz
-https://s3-us-west-2.amazonaws.com/imagenetv2public/imagenetv2-threshold0.7.tar.gz	1249906176	32142bfe998f9cfa4141be691f6a80eeb1e27b24bd532a668eb08c26d98897a2	imagenetv2-threshold0.7.tar.gz
-https://s3-us-west-2.amazonaws.com/imagenetv2public/imagenetv2-top-images.tar.gz	1245927936	85e4ace30f3f0d660152062254b8759dda66267b27f7ec0fd8d5768f1073a04b	imagenetv2-top-images.tar.gz
+https://huggingface.co/datasets/vaishaal/ImageNetV2/resolve/main/imagenetv2-matched-frequency.tar.gz	1264079360	f0c37fdf925916b19ea1323cd9a2208cdb6959ba2c32eef2a7fc393835c9ca7c	imagenetv2-matched-frequency.tar.gz
+https://huggingface.co/datasets/vaishaal/ImageNetV2/resolve/main/imagenetv2-threshold0.7.tar.gz	1249906176	32142bfe998f9cfa4141be691f6a80eeb1e27b24bd532a668eb08c26d98897a2	imagenetv2-threshold0.7.tar.gz
+https://huggingface.co/datasets/vaishaal/ImageNetV2/resolve/main/imagenetv2-top-images.tar.gz	1245927936	85e4ace30f3f0d660152062254b8759dda66267b27f7ec0fd8d5768f1073a04b	imagenetv2-top-images.tar.gz

tensorflow_datasets/datasets/imagenet_v2/imagenet_v2_dataset_builder.py

@@ -22,7 +22,7 @@
 
 # Note: Bump the version if the links change.
 
-_ROOT_URL = 'https://s3-us-west-2.amazonaws.com/imagenetv2public'
+_ROOT_URL = 'https://huggingface.co/datasets/vaishaal/ImageNetV2/resolve/main'
 _IMAGENET_V2_URLS = {
     'matched-frequency': _ROOT_URL + '/imagenetv2-matched-frequency.tar.gz',
     'threshold-0.7': _ROOT_URL + '/imagenetv2-threshold0.7.tar.gz',
@@ -36,7 +36,7 @@
 
 
 class ImagenetV2Config(tfds.core.BuilderConfig):
-  """ "Configuration specifying the variant to use."""
+  """Configuration specifying the variant to use."""
 
   def __init__(self, *, variant, **kwargs):
     """The parameters specifying how the dataset will be processed.
@@ -80,6 +80,7 @@ class Builder(tfds.core.GeneratorBasedBuilder):
           'Fix file_name, from absolute path to path relative to '
           'data directory, ie: "class_id/filename.jpg".'
       ),
+      '3.1.0': 'New URLs for resources from Hugging Face.',
   }
   BUILDER_CONFIGS = list(_create_builder_configs())