Name

threshold - replace values below given threshold by zero

Usage

output = threshold(input, minval)

Input

input

input image

minval

value below which image pixels will be set to zero (default is zero). Above it, pixels will not be changed.

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 remain unchanged 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.