Module imagingbook.common

Package imagingbook.common.threshold.global

Class MeanThresholder

java.lang.Object

imagingbook.common.threshold.global.MeanThresholder

All Implemented Interfaces:

GlobalThresholder, Thresholder

public class MeanThresholder
extends Object
implements GlobalThresholder

Simple global thresholder which uses the mean pixel value as the threshold. See Sec. 9.1.2 of [1] for additional details (Eq. 9.10).

[1] W. Burger, M.J. Burge, Digital Image Processing – An Algorithmic Introduction, 3rd ed, Springer (2022).

Version:

2022/08/01

Nested Class Summary

Nested classes/interfaces inherited from interface imagingbook.common.threshold.Thresholder

Thresholder.BackgroundMode

Field Summary

Fields inherited from interface imagingbook.common.threshold.global.GlobalThresholder

NoThreshold

Constructor Summary

Constructors

Constructor	Description
MeanThresholder()

Method Summary

Modifier and Type	Method	Description
float	getThreshold(int[] h)	Returns a single (global) threshold value for the specified histogram.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface imagingbook.common.threshold.global.GlobalThresholder

getThreshold, threshold

Constructor Details

MeanThresholder

public MeanThresholder()

Method Details

getThreshold

public float getThreshold(int[] h)

Description copied from interface: GlobalThresholder

Returns a single (global) threshold value for the specified histogram.

Specified by:

getThreshold in interface GlobalThresholder

Parameters:

h - a histogram (array of frequencies)

Returns:

a single (global) threshold value