imagenet_288_webp / README.md
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metadata
dataset_info:
  features:
    - name: __key__
      dtype: string
    - name: __url__
      dtype: string
    - name: cls
      dtype: int64
    - name: json
      struct:
        - name: filename
          dtype: string
        - name: height
          dtype: int64
        - name: label
          dtype: int64
        - name: width
          dtype: int64
    - name: webp
      dtype: image
  splits:
    - name: validation
      num_bytes: 1285862430
      num_examples: 50000
    - name: train
      num_bytes: 32671324678.125
      num_examples: 1281167
  download_size: 33800622700
  dataset_size: 33957187108.125
configs:
  - config_name: default
    data_files:
      - split: validation
        path: data/validation-*
      - split: train
        path: data/train-*

A duplicate of the webdataset version of ImageNet-1k, except each image is resized so that the shorter side is 288 pixels and each image is WEBP compressed using a quality level of 85.

The compression ratio is roughly 5:1 compared to JPEG (~160 GB) and 25:1 compared to raw pixel storage (~800GB).