models:
  - name: images
    description: Each record represents an image
    columns:
      - name: img_id
        description: Unique identifier for the image
      - name: num_object_samples
        description: Number of object samples in the image, replace NULL values with 0.
      - name: has_at_least_one_object_sample_with_class_man
        description: set to 1 if the image has at least one object sample in the class of "man",otherwise, set to 0
      - name: avg_height_of_objects
        description: Average height of the objects in the image
      - name: num_self_relations
        description: the number of self-relations between the object samples in the image, replace NULL values with 0.
      - name: has_at_least_five_black_classes
        description: set to 1 if the image has at least five object samples whose attribute class is 'black', otherwise, set to 0