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iiuf.jai
Class CCOpImage  

java.lang.Object
  StatisticsOpImage
      iiuf.jai.CCOpImage

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public class CCOpImage

extends StatisticsOpImage

(c) 1999, IIUF

This is the implementation of the Connected Components extraction algorithm for the Java Advanced Imaging API. This operator does only work with binary images satisfying certain criteria.

Version:

$Revision: 1.1 $

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Nested Class Summary
private  class	CCOpImage.HRectangle           Inner class representing a sort of "hierarchical rectangles" where every rectangle has a parent.

 

Field Summary
(package private)  java.util.List	cc4cache
(package private)  java.util.List	cc8cache           8-neighbors connected components
protected  java.awt.image.RenderedImage	image           The candidate image
private  int[]	lastScanline
protected  DirectRasterAccessor	raster           An object for accessing the image
protected  java.awt.Rectangle	sampleRectangle           A sample rectangle which is cloned for returning the results
private  int[]	scanline
private static java.lang.String[]	statisticsNames           Name of the two available operations provided by this operator
private  java.util.List	zones

 

Constructor Summary

CCOpImage(java.awt.image.RenderedImage source, java.awt.Rectangle sample)           Constructs a CCOpImage object

 

Method Summary
void	accumulateStatistics(java.lang.String name, java.awt.image.Raster source, java.lang.Object stats)           Not supported
(package private)  java.util.List	CC4()
(package private)  java.util.List	CC8()
java.lang.Object	createStatistics(java.lang.String name)           Apply one of the two operations
private  void	fusionZones(int i, int j)           Fusion the two zones i and j
private  int	getLastZone(int x)
java.lang.String[]	getStatisticsNames()           Returns the names of the two operations
private  int	getZone(int x)           Gets the number of the zone which contains the pixel at (x,currentLine)
(package private)  java.util.List	makePoints(java.util.List zones)
(package private)  java.util.List	makeRectangles(java.util.List zones)           4-neighbors connected components (rectangles)
private  void	newZone(int x, int y)           Creates a new zone containing the pixel at (x, y)

 

Methods inherited from class java.lang.Object

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

 

Field Detail

sampleRectangle

protected java.awt.Rectangle sampleRectangle

A sample rectangle which is cloned for returning the results

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image

protected java.awt.image.RenderedImage image

The candidate image

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raster

protected DirectRasterAccessor raster

An object for accessing the image

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statisticsNames

private static final java.lang.String[] statisticsNames

Name of the two available operations provided by this operator

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scanline

private int[] scanline

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lastScanline

private int[] lastScanline

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zones

private java.util.List zones

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cc8cache

java.util.List cc8cache

8-neighbors connected components

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cc4cache

java.util.List cc4cache

Constructor Detail

CCOpImage

public CCOpImage(java.awt.image.RenderedImage source,
                 java.awt.Rectangle sample)

Constructs a CCOpImage object

Method Detail

getStatisticsNames

public java.lang.String[] getStatisticsNames()

Returns the names of the two operations

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createStatistics

public java.lang.Object createStatistics(java.lang.String name)

Apply one of the two operations

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accumulateStatistics

public void accumulateStatistics(java.lang.String name,
                                 java.awt.image.Raster source,
                                 java.lang.Object stats)

Not supported

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makeRectangles

java.util.List makeRectangles(java.util.List zones)

4-neighbors connected components (rectangles)

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makePoints

java.util.List makePoints(java.util.List zones)

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newZone

private void newZone(int x,
                     int y)

Creates a new zone containing the pixel at (x, y)

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getZone

private int getZone(int x)

Gets the number of the zone which contains the pixel at (x,currentLine)

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getLastZone

private int getLastZone(int x)

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fusionZones

private void fusionZones(int i,
                         int j)

Fusion the two zones i and j

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CC8

java.util.List CC8()

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CC4

java.util.List CC4()

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