lazyslide.cv.scorer.Contrast

class Contrast(fraction_threshold=0.05, lower_percentile=1, upper_percentile=99)

Bases: ScorerBase

Calculate the contrast of a patch.

Contrast is calculated as the standard deviation of the pixel values.

Parameters:

thresholdfloat

Threshold to determine if a patch is contrasted or not.

apply(patch, mask=None)

The scorer will return the scores and the bool value indicating of QC