jm.jigl
Class RealGrayImage

java.lang.Object
  |
  +--jm.jigl.RealGrayImage

All Implemented Interfaces:

Image

public class RealGrayImage

extends java.lang.Object

implements Image

RealGrayImage is a 2-d array of floats

See Also:

jigl.image.RealGrayImage

Field Summary

protected float[][]	data Two dimensional float array
protected int	X Cartesian width
protected int	Y Cartesian height

Constructor Summary

RealGrayImage()
Creates an empty two dimensional RealGrayImage with a height and width of zero

RealGrayImage(float[][] dat)
Creates a two dimensional GrayImage from a two dimensional array

RealGrayImage(java.awt.Image img)
Creates a two dimensional RealGrayImage from the standard java.awt.Image

RealGrayImage(int x, int y)
Creates a two dimensional RealGrayImage with a height and width of x and y repectively

RealGrayImage(int x, int y, float[] dat)
Creates a two dimensional GrayImage with a height and width of x and y repectively

RealGrayImage(RealGrayImage img)
Creates an two dimensional RealGrayImage (shallow copy) from RealGrayImage img

Method Summary

float	absSum() Adds absolute value of all the values together
RealGrayImage	add(float v) Adds a value to all the pixels in this image
RealGrayImage	add(float v, ROI r) Adds a value to all the pixels in a Region of Interest
void	add(int x, int y, float value) Adds a value to a single pixel
void	add(int x, int y, float value, ROI r) Adds a value to a single pixel in a Region of Interest
RealGrayImage	add(RealGrayImage im) Adds another RealGrayImage to this image
RealGrayImage	add(RealGrayImage im, ROI sourceImage, ROI destImage) Adds a Region of Interest in another RealGrayImage to a Region of Interest of this image
float	addSum() Adds all the values together
void	byteSize() Scales the range of this image to byte (0..255)
RealGrayImage	clear() Clears the image to zero
RealGrayImage	clear(float val) Clears to constant value
void	clip(int min, int max) Clips the range of this image to an arbitrary min/max
void	clip(int min, int max, ROI r) Clips the range of this image to an arbitrary min/max in a Region of Interest
Image	copy() Makes a deep copy of this image
Image	copy(ROI r) Makes a deep copy of a Region of Interest
RealGrayImage	diff(RealGrayImage im) Subtracts the second image from the first and returns the absolute value
RealGrayImage	divide(float v) Divides all the pixels in this image by a value
RealGrayImage	divide(float v, ROI r) Divides all the pixels by a value in a Region of Interest
void	divide(int x, int y, float value) Divides a single pixel by a value
void	divide(int x, int y, float value, ROI r) Divides a single pixel by a value in a Region of Interest
RealGrayImage	divide(RealGrayImage im) Divides this image by a RealGrayImage
RealGrayImage	divide(RealGrayImage im, ROI sourceImage, ROI destImage) Divides by a Region of Interest in this image by a Region of Interest of another RealGrayImage
float	get(int x, int y) Returns the pixel value at the given x, y value
java.awt.image.ImageProducer	getJavaImage() Turns this image into a Java Image (java.awt.Image).
float	max() Finds the maximum value of this image
float	max(ROI r) Finds the maximum value in a Region of Interest
void	median(int size) Performs median filter on this image
void	median(int size, ROI r) Performs median filter in a Region of Interest
float	min() Finds the minimum value of this image
float	min(ROI r) Finds the minimum value in a Region of Interest
RealGrayImage	multiply(float v) Multiplies all the pixels in this image by a value
RealGrayImage	multiply(float v, ROI r) Multiplies all the pixels in a Region of Interest by a value
void	multiply(int x, int y, float value) Mutiplies a single pixel by a value
void	multiply(int x, int y, float value, ROI r) Mutiplies a single pixel by a value in a Region of Interest
RealGrayImage	multiply(RealGrayImage im) Multiplies a RealGrayImage by this image
RealGrayImage	multiply(RealGrayImage im, ROI sourceImage, ROI destImage) Multiplies a Region of Interest of another RealGrayImage by a Region of Interest of this image
void	set(int x, int y, float value) Sets the pixel value at x, y to a given value
void	set(int x, int y, float value, ROI r) Sets the pixel value at x, y to a given value in a Region of Interest
double	sqrSum() Adds the square of all the values together
RealGrayImage	subtract(float v) Subtracts a value from all the pixels in this image
RealGrayImage	subtract(float v, ROI r) Subtracts a value from all the pixels in a Region of Interest
void	subtract(int x, int y, float value) Subtracts a value from a single pixel
void	subtract(int x, int y, float value, ROI r) Subtracts a value from a single pixel in a Region of Interest
RealGrayImage	subtract(RealGrayImage im) Subtracts a RealGrayImage from this image
RealGrayImage	subtract(RealGrayImage im, ROI sourceImage, ROI destImage) Subtracts a Region of Interest in another RealGrayImage from a Region of Interest of this image
java.lang.String	toString() Prints the string in integer format.
java.lang.String	toString(ROI r) Prints the string in integer format in a Region of Interest.
int	X() Returns the width (maximum X value)
int	Y() Returns the height (maximum Y value)

Methods inherited from class java.lang.Object

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

Field Detail

data

protected float[][] data

Two dimensional float array

X

protected int X

Cartesian width

Y

protected int Y

Cartesian height

Constructor Detail

RealGrayImage

public RealGrayImage()

Creates an empty two dimensional RealGrayImage with a height and width of zero

RealGrayImage

public RealGrayImage(int x,
                     int y)

Creates a two dimensional RealGrayImage with a height and width of x and y repectively

RealGrayImage

public RealGrayImage(int x,
                     int y,
                     float[] dat)

Creates a two dimensional GrayImage with a height and width of x and y repectively

Parameters:

x - width of image

y - height of image

dat - one dimensional array of float. The array is length x*y.

RealGrayImage

public RealGrayImage(float[][] dat)

Creates a two dimensional GrayImage from a two dimensional array

Parameters:

dat - two dimensional array of short

RealGrayImage

public RealGrayImage(RealGrayImage img)

Creates an two dimensional RealGrayImage (shallow copy) from RealGrayImage img

RealGrayImage

public RealGrayImage(java.awt.Image img)

Creates a two dimensional RealGrayImage from the standard java.awt.Image

Method Detail

copy

public Image copy()

Makes a deep copy of this image

Specified by:

copy in interface Image

Returns:

a deep copy of RealGrayImage

X

public final int X()

Returns the width (maximum X value)

Specified by:

X in interface Image

Y

public final int Y()

Returns the height (maximum Y value)

Specified by:

Y in interface Image

get

public final float get(int x,
                       int y)

Returns the pixel value at the given x, y value

Parameters:

x - the X coordinant

y - the Y coordinant

set

public final void set(int x,
                      int y,
                      float value)

Sets the pixel value at x, y to a given value

Parameters:

x - the X coordinant

y - the Y coordinant

value - the value to set the pixel to

clear

public final RealGrayImage clear()

Clears the image to zero

clear

public final RealGrayImage clear(float val)

Clears to constant value

Parameters:

val - the value to "clear" the image to

add

public final void add(int x,
                      int y,
                      float value)

Adds a value to a single pixel

Parameters:

x - X-coordinant

y - Y-coordinant

value - the value to add to the pixel

subtract

public final void subtract(int x,
                           int y,
                           float value)

Subtracts a value from a single pixel

Parameters:

x - X-coordinant

y - Y-coordinant

value - the value to subtract from the pixel

multiply

public final void multiply(int x,
                           int y,
                           float value)

Mutiplies a single pixel by a value

Parameters:

x - X-coordinant

y - Y-coordinant

value - - the value to mutiply to the pixel

divide

public final void divide(int x,
                         int y,
                         float value)

Divides a single pixel by a value

Parameters:

x - X-coordinant

y - Y-coordinant

value - - the value to mutiply to the pixel

min

public final float min()

Finds the minimum value of this image

Returns:

an float containing the minimum value

max

public final float max()

Finds the maximum value of this image

Returns:

an integer containing the maximum value

addSum

public final float addSum()

Adds all the values together

absSum

public final float absSum()

Adds absolute value of all the values together

sqrSum

public final double sqrSum()

Adds the square of all the values together

add

public final RealGrayImage add(float v)

Adds a value to all the pixels in this image

Parameters:

v - value to be added to the pixels

Returns:

this

subtract

public final RealGrayImage subtract(float v)

Subtracts a value from all the pixels in this image

Parameters:

v - value to be added to the pixels

Returns:

this

multiply

public final RealGrayImage multiply(float v)

Multiplies all the pixels in this image by a value

Parameters:

v - value to be added to the pixels

Returns:

this

divide

public final RealGrayImage divide(float v)

Divides all the pixels in this image by a value

Parameters:

v - value to be added to the pixels

Returns:

this

add

public final RealGrayImage add(RealGrayImage im)

Adds another RealGrayImage to this image

Parameters:

im - the RealGrayImage to add

Returns:

this

subtract

public final RealGrayImage subtract(RealGrayImage im)

Subtracts a RealGrayImage from this image

Parameters:

im - the RealGrayImage to subtract

Returns:

this

diff

public final RealGrayImage diff(RealGrayImage im)

Subtracts the second image from the first and returns the absolute value

multiply

public final RealGrayImage multiply(RealGrayImage im)

Multiplies a RealGrayImage by this image

Parameters:

im - the RealGrayImage to multiply

Returns:

this

divide

public final RealGrayImage divide(RealGrayImage im)

Divides this image by a RealGrayImage

Parameters:

im - the RealGrayImage to divide

Returns:

this

toString

public java.lang.String toString()

Prints the string in integer format.

-Example of output on an image with width 100 and height 120:

100 : 120

10 20 32 12 32 56 40 59 42 39 43 ...

Specified by:

toString in interface Image

Overrides:

toString in class java.lang.Object

getJavaImage

public java.awt.image.ImageProducer getJavaImage()

Turns this image into a Java Image (java.awt.Image). Note: This method also scales the image so all the values are between 0 and 255.

Specified by:

getJavaImage in interface Image

See Also:

java.awt.ImageProducer

byteSize

public void byteSize()

Scales the range of this image to byte (0..255)

clip

public void clip(int min,
                 int max)

Clips the range of this image to an arbitrary min/max

Parameters:

min - minimum value

max - maximum value

median

public void median(int size)

Performs median filter on this image

Parameters:

size - the size of the median filter

copy

public Image copy(ROI r)

Makes a deep copy of a Region of Interest

Specified by:

copy in interface Image

Parameters:

r - Region of Interest

Returns:

a deep copy of RealGrayImage

See Also:

set

public final void set(int x,
                      int y,
                      float value,
                      ROI r)

Sets the pixel value at x, y to a given value in a Region of Interest

Parameters:

x - the X coordinant

y - the Y coordinant

value - the value to set the pixel to

r - Region of Interest

add

public final void add(int x,
                      int y,
                      float value,
                      ROI r)

Adds a value to a single pixel in a Region of Interest

Parameters:

x - X-coordinant

y - Y-coordinant

value - the value to add to the pixel

r - Region of Interest

subtract

public final void subtract(int x,
                           int y,
                           float value,
                           ROI r)

Subtracts a value from a single pixel in a Region of Interest

Parameters:

x - X-coordinant

y - Y-coordinant

value - the value to subtract from the pixel

r - Region of Interest

multiply

public final void multiply(int x,
                           int y,
                           float value,
                           ROI r)

Mutiplies a single pixel by a value in a Region of Interest

Parameters:

x - X-coordinant

y - Y-coordinant

value - - the value to mutiply to the pixel

r - Region of Interest

divide

public final void divide(int x,
                         int y,
                         float value,
                         ROI r)

Divides a single pixel by a value in a Region of Interest

Parameters:

x - X-coordinant

y - Y-coordinant

value - - the value to mutiply to the pixel

r - Region of Interest

min

public final float min(ROI r)

Finds the minimum value in a Region of Interest

Parameters:

r - Region of Interest

Returns:

an integer containing the minimum value

max

public final float max(ROI r)

Finds the maximum value in a Region of Interest

Parameters:

r - Region of Interest

Returns:

an integer containing the maximum value

add

public final RealGrayImage add(float v,
                               ROI r)

Adds a value to all the pixels in a Region of Interest

Parameters:

v - value to be added to the pixels

r - Region of Interest

Returns:

this

subtract

public final RealGrayImage subtract(float v,
                                    ROI r)

Subtracts a value from all the pixels in a Region of Interest

Parameters:

v - value to be added to the pixels

r - Region of Interest

Returns:

this

multiply

public final RealGrayImage multiply(float v,
                                    ROI r)

Multiplies all the pixels in a Region of Interest by a value

Parameters:

v - value to be added to the pixels

r - Region of Interest

Returns:

this

divide

public final RealGrayImage divide(float v,
                                  ROI r)

Divides all the pixels by a value in a Region of Interest

Parameters:

v - value to be added to the pixels

r - Region of Interest

Returns:

this

add

public final RealGrayImage add(RealGrayImage im,
                               ROI sourceImage,
                               ROI destImage)

Adds a Region of Interest in another RealGrayImage to a Region of Interest of this image

Parameters:

im - the RealGrayImage to add

sourceImage - Region of Interest for the Source Image

destImage - Region of Interest for the Destination Image

Returns:

this

subtract

public final RealGrayImage subtract(RealGrayImage im,
                                    ROI sourceImage,
                                    ROI destImage)

Subtracts a Region of Interest in another RealGrayImage from a Region of Interest of this image

Parameters:

im - the RealGrayImage to subtract

sourceImage - Region of Interest for the Source Image

destImage - Region of Interest for the Destination Image

Returns:

this

multiply

public final RealGrayImage multiply(RealGrayImage im,
                                    ROI sourceImage,
                                    ROI destImage)

Multiplies a Region of Interest of another RealGrayImage by a Region of Interest of this image

Parameters:

im - the RealGrayImage to multiply

sourceImage - Region of Interest for the Source Image

destImage - Region of Interest for the Destination Image

Returns:

this

divide

public final RealGrayImage divide(RealGrayImage im,
                                  ROI sourceImage,
                                  ROI destImage)

Divides by a Region of Interest in this image by a Region of Interest of another RealGrayImage

Parameters:

im - the RealGrayImage to divide

sourceImage - Region of Interest for the Source Image

destImage - Region of Interest for the Destination Image

Returns:

this

toString

public java.lang.String toString(ROI r)

Prints the string in integer format in a Region of Interest.

Parameters:

r - Region of Interest

-Example of output on an image with width 100 and height 120:

100 : 120

10 20 32 12 32 56 40 59 42 39 43 ...

clip

public void clip(int min,
                 int max,
                 ROI r)

Clips the range of this image to an arbitrary min/max in a Region of Interest

Parameters:

min - minimum value

max - maximum value

r - Region of Interest

median

public void median(int size,
                   ROI r)

Performs median filter in a Region of Interest

Parameters:

size - the size of the median filter

r - Region of Interest