classDiagram
direction LR
class ImageItem {
  +ndarray image
  +Mapping metadata
}
class FilterResult {
  +ndarray image
  +Mapping metadata
}
class SpatialLayout {
  +int dimension
  +tuple spatial_axes
  +tuple singleton_axes
  +int channel_axis
}
class Capabilities {
  +frozenset spatial_dimensions
  +str accepted_dtypes
  +str input_range
  +str output_dtype
  +bool preserves_shape
  +bool supports_channels
}
class ImageFilter {
  <<abstract>>
  +apply(image, metadata) FilterResult
  +apply_batch(items) list~FilterResult~
}
class NumericFilter {
  <<abstract>>
}
ImageFilter <|-- NumericFilter
ImageFilter ..> ImageItem : consumes in batches
ImageFilter ..> FilterResult : returns
ImageFilter ..> Capabilities : declares
NumericFilter ..> SpatialLayout : validates and computes