Name

threshold_to_zero - replace values below given threshold by zero and values above by (value-threshold)

Usage

output = threshold_to_zero(input, minval)

Input

input

input image

minval

value below which image pixels will be set to zero (default is zero). Above it, pixels will be reduced to (value-threshold).

Output

output

thresholded image.

Method

Pixels in the input image are set to zero if their values in the input image were below minval, and change to (value-threshold) if they were above minval.

Author / Maintainer

Pawel A. Penczek

Keywords

category 1

MORPHOLOGY

category 2

SPATIAL

Files

morphology.py

Maturity

stable

works for most people, has been tested; test cases/examples available.

Bugs

None. It is perfect.