campa.tl.thresholded_count

thresholded_count(df, threshold=0.9)[source]

Count largest CSL objects per cell.

Sort objects by area (largest areas first) and count how many are needed to exceed threshold % of the total area. This is essentially a small object invariant way of counting big objects. Can be used as aggregation function in FeatureExtractor.get_object_stats().

Parameters

threshold – Only consider large objects up to the cumulative sum of 90% of the total area.

Return type

count