from flamingo_tools.measurements import compute_object_measures, compute_sgn_background_mask

image_path = ...  # the PV data
seg_path = ...  # the sgn segmentation

# need to add image_key, segmentation_key for zarr data for both functions
# 'compute_sgn_background_mask' does not yet support accessing data from s3, but that should be easy to add
mask = compute_sgn_background_mask(image_path, seg_path)  
compute_object_measures(
  image_path, seg_path,
  segmentation_table_path=...,
  output_table_path=..., 
  background_mask=mask,
  feature_set="default_background_subtract",
  dilation=4,
  median_only=True,
)