Module org.scijava.ops.image

Package org.scijava.ops.image.threshold.li

Class ComputeLiThreshold<T extends RealType<T>>

java.lang.Object

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

org.scijava.ops.image.threshold.li.ComputeLiThreshold<T>

All Implemented Interfaces:

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

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

Implements Li's threshold method by Li & Lee, and Li & Tam, and Sezgin & Sankur.

Author:

Barry DeZonia, Gabriel Landini

Implementation Note:

op names='threshold.li', priority='100.'

Constructor Summary

Constructors

Constructor	Description
ComputeLiThreshold()

Method Summary

Modifier and Type	Method	Description
static long	computeBin(long[] histogram)	Implements Li's Minimum Cross Entropy thresholding method This implementation is based on the iterative version (Ref.
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

ComputeLiThreshold

public ComputeLiThreshold()

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 Li threshold value

computeBin

public static long computeBin(long[] histogram)

Implements Li's Minimum Cross Entropy thresholding method
This implementation is based on the iterative version (Ref. 2) of the
algorithm
1) Li C.H. and Lee C.K. (1993) "Minimum Cross Entropy Thresholding"
Pattern Recognition, 26(4): 617-625
2) Li C.H. and Tam P.K.S. (1998) "An Iterative Algorithm for Minimum
Cross Entropy Thresholding"Pattern Recognition Letters, 18(8):
771-776
3) Sezgin M. and Sankur B. (2004) "Survey over Image Thresholding
Techniques and Quantitative Performance Evaluation" Journal of
Electronic Imaging, 13(1): 146-165
http://citeseer.ist.psu.edu/sezgin04survey.html
Ported to ImageJ plugin by G.Landini from E Celebi's fourier_0.8
routines