galaxy_mnist / README.md
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metadata
dataset_info:
  features:
    - name: image
      dtype: image
    - name: label
      dtype: int64
    - name: id_str
      dtype: string
  splits:
    - name: train
      num_bytes: 624197006
      num_examples: 8000
    - name: test
      num_bytes: 157244228
      num_examples: 2000
  download_size: 781334590
  dataset_size: 781441234
configs:
  - config_name: default
    data_files:
      - split: train
        path: data/train-*
      - split: test
        path: data/test-*

Dataset GZMNIST

Dataset create from Mike Walmsley repo : https://github.com/mwalmsley/galaxy_mnist Contains 10,000 images of galaxies, only HiRes 3x224x224. Confidently labelled by Galaxy Zoo volunteers as belonging to one of four morphology classes.

Classes

  • 0 : 'smooth and round'
  • 1 : 'smooth and cigar-shaped'
  • 2 : 'edge-on-disk'
  • 3 : 'unbarred spiral

Data from / Citation :

Walmsley et al.(2022) - 2022MNRAS.509.3966W Walmsley, M. and 17 colleagues 2022. Galaxy Zoo DECaLS: Detailed visual morphology measurements from volunteers and deep learning for 314 000 galaxies. Monthly Notices of the Royal Astronomical Society 509, 3966–3988. doi:10.1093/mnras/stab2093