jigl.image.ops
Class HistogramEqualizer

java.lang.Object
  |
  +--jigl.image.SimpleOperator
        |
        +--jigl.image.ops.HistogramEqualizer

All Implemented Interfaces:

Operator

public class HistogramEqualizer

extends SimpleOperator

Equalizes a Histogram and returns a new image with equalized histogram. It uses LookupTable and CumulativeHistogram to implement equalization.

See Also:

LookupTable, CumulativeHistogram

Field Summary

private CumulativeHistogram	hist See CumulativeHistogram
private LookupTable	table See LookupTable

Constructor Summary

HistogramEqualizer()
Create a empty Histogramequalizer object

Method Summary

protected Image	apply(ColorImage image) Returns an equalized version of image.
protected Image	apply(ColorImage image, ROI roi) Returns an equalized region in an image image.
protected Image	apply(GrayImage image) Returns an equalized version of image.
protected Image	apply(GrayImage image, ROI roi) Returns an equalized region in an image image.
protected Image	apply(RealColorImage image) Returns an equalized version of image.
protected Image	apply(RealColorImage image, ROI roi) Returns an equalized region in an image image.
protected Image	apply(RealGrayImage image) Returns an equalized version of image.
protected Image	apply(RealGrayImage image, ROI roi) Returns an equalized region in an image image.

Methods inherited from class jigl.image.SimpleOperator

apply, apply, apply, apply, apply, apply

Methods inherited from class java.lang.Object

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

Field Detail

hist

private CumulativeHistogram hist

See CumulativeHistogram

table

private LookupTable table

See LookupTable

Constructor Detail

HistogramEqualizer

public HistogramEqualizer()
                   throws ImageNotSupportedException

Create a empty Histogramequalizer object

Method Detail

apply

protected Image apply(GrayImage image)
               throws ImageNotSupportedException

Returns an equalized version of image. Returned image is a GrayImage object.

Overrides:

apply in class SimpleOperator

ImageNotSupportedException

apply

protected Image apply(RealGrayImage image)
               throws ImageNotSupportedException

Returns an equalized version of image. Returned image is a RealGrayImage object.

Overrides:

apply in class SimpleOperator

ImageNotSupportedException

apply

protected Image apply(GrayImage image,
                      ROI roi)
               throws ImageNotSupportedException

Returns an equalized region in an image image. Returned image is a GrayImage object.

Overrides:

apply in class SimpleOperator

ImageNotSupportedException

apply

protected Image apply(RealGrayImage image,
                      ROI roi)
               throws ImageNotSupportedException

Returns an equalized region in an image image. Returned image is a RealGrayImage object.

Overrides:

apply in class SimpleOperator

ImageNotSupportedException

apply

protected Image apply(ColorImage image)
               throws ImageNotSupportedException

Returns an equalized version of image. Returned image is a ColorImage object.

Overrides:

apply in class SimpleOperator

ImageNotSupportedException

apply

protected Image apply(RealColorImage image)
               throws ImageNotSupportedException

Returns an equalized version of image. Returned image is a RealColorImage object.

Overrides:

apply in class SimpleOperator

ImageNotSupportedException

apply

protected Image apply(ColorImage image,
                      ROI roi)
               throws ImageNotSupportedException

Returns an equalized region in an image image. Returned image is a ColorImage object.

Overrides:

apply in class SimpleOperator

ImageNotSupportedException

apply

protected Image apply(RealColorImage image,
                      ROI roi)
               throws ImageNotSupportedException

Returns an equalized region in an image image. Returned image is a RealColorImage object.

Overrides:

apply in class SimpleOperator

ImageNotSupportedException