Module org.scijava.ops.image

Package org.scijava.ops.image.threshold.huang

Class ComputeHuangThreshold<T extends RealType<T>>

java.lang.Object

org.scijava.ops.image.threshold.AbstractComputeThresholdHistogram<T>

org.scijava.ops.image.threshold.huang.ComputeHuangThreshold<T>

All Implemented Interfaces:

BiConsumer<Histogram1d<T>,T>, Computers.Arity1<Histogram1d<T>,T>

public class ComputeHuangThreshold<T extends RealType<T>>
extends AbstractComputeThresholdHistogram<T>

Implements Huang's threshold method by Huang & Wang.

Author:

Barry DeZonia, Gabriel Landini

Implementation Note:

op names='threshold.huang'

Constructor Summary

Constructors

Constructor	Description
ComputeHuangThreshold()

Method Summary

Modifier and Type	Method	Description
static long	computeBin(long[] histogram)	Implements Huang's fuzzy thresholding method Uses Shannon's entropy function (one can also use Yager's entropy function) Huang L.-K.
long	computeBin(Histogram1d<T> hist)	TODO

Methods inherited from class org.scijava.ops.image.threshold.AbstractComputeThresholdHistogram

compute

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.function.BiConsumer

andThen

Methods inherited from interface org.scijava.function.Computers.Arity1

accept

Constructor Detail

ComputeHuangThreshold

public ComputeHuangThreshold()

Method Detail

computeBin

public long computeBin(Histogram1d<T> hist)

TODO

Specified by:

computeBin in class AbstractComputeThresholdHistogram<T extends RealType<T>>

Parameters:

hist - the Histogram1d.

Returns:

the Huang threshold value

computeBin

public static long computeBin(long[] histogram)

Implements Huang's fuzzy thresholding method
Uses Shannon's entropy function (one can also use Yager's entropy function) Huang L.-K. and Wang M.-J.J. (1995) "Image Thresholding by Minimizing the Measures of Fuzziness" Pattern Recognition, 28(1): 41-51
Reimplemented (to handle 16-bit efficiently) by Johannes Schindelin Jan 31, 2011