cz.cuni.jagrlib
Class RankHistogram

java.lang.Object
  cz.cuni.jagrlib.RankHistogram

All Implemented Interfaces:

Rank

public class RankHistogram
extends java.lang.Object
implements Rank

Simple rank implementation using histogram array.

Since:

0.25

See Also:

RankHistogram.java

Field Summary

protected int	card Histogram cardinality.
protected int[]	h Actual histogram.
protected int	hMax Actual index of maximum value.
protected int	hMin Actual index of minimum value.
protected int	maxV Actual maximal value.

Constructor Summary

RankHistogram()

Method Summary

void	add(int value) Adds new pixel value.
void	init(int maxValue) Initializes the rank.
int	result(RankType type) Computes the given rank-value (min, median, max, ..).

Methods inherited from class java.lang.Object

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

Field Detail

maxV

protected int maxV

Actual maximal value.

h

protected int[] h

Actual histogram.

hMin

protected int hMin

Actual index of minimum value.

hMax

protected int hMax

Actual index of maximum value.

card

protected int card

Histogram cardinality.

Constructor Detail

RankHistogram

public RankHistogram()

Method Detail

init

public void init(int maxValue)

Initializes the rank.

Specified by:

init in interface Rank

add

public void add(int value)

Adds new pixel value.

Specified by:

add in interface Rank

result

public int result(RankType type)

Computes the given rank-value (min, median, max, ..). Can be destructive - should be called once after each init(int) call.

Specified by:

result in interface Rank