openpiv_cxx.filters.contrast_stretch

openpiv_cxx.filters.contrast_stretch(img, lower_limit=2.0, upper_limit=98.0)

Simple percentile-based contrast stretching.

Parameters:

• img (ndarray) – A two dimensional array containing pixel intenensities.

• lower_limit (int) – Lower percentile limit.

• upper_limit (int) – Upper percentile limit.

Returns:

img – A filtered two dimensional array of the input image

Return type:

ndarray