Class ImageDifference

java.lang.Object
  |
  +--java.lang.Thread
        |
        +--ImageDifference

public class ImageDifference

extends java.lang.Thread

ImageDifference is an algorithm to find the difference between two images

Author:

Timothy Sharman

See Also:

code.iface.imagediff

Fields inherited from class java.lang.Thread

MAX_PRIORITY, MIN_PRIORITY, NORM_PRIORITY

Constructor Summary

ImageDifference(int firstwidth, int secondwidth)
Constructs a new Image Difference

Method Summary

int[]	imagedifference(int[] src1_1d, int[] src2_1d, int width, int height, float oset, float scale, boolean reverse) Applies the image difference operator on the specified image arrays, with the specified offset and scale value
int[]	imagedifference(int[] src1_1d, int width, int height, float oset, float scale, int constant) Subtracts the specified constant value from the specified input image, also using offset and scale values
int[]	imagedifference(int constant, int width, int height, float oset, float scale, int[] src1_1d) Subtracts every pixel in the input image from the specified constant value, also using offset and scale values

Methods inherited from class java.lang.Thread

activeCount, checkAccess, countStackFrames, currentThread, destroy, dumpStack, enumerate, getContextClassLoader, getName, getPriority, getThreadGroup, interrupt, interrupted, isAlive, isDaemon, isInterrupted, join, join, join, resume, run, setContextClassLoader, setDaemon, setName, setPriority, sleep, sleep, start, stop, stop, suspend, toString, yield

Methods inherited from class java.lang.Object

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

Constructor Detail

ImageDifference

public ImageDifference(int firstwidth,
                       int secondwidth)

Constructs a new Image Difference

Parameters:

firstwidth - The width of the first image

secondwidth - The width of the second image

Method Detail

imagedifference

public int[] imagedifference(int[] src1_1d,
                             int[] src2_1d,
                             int width,
                             int height,
                             float oset,
                             float scale,
                             boolean reverse)

Applies the image difference operator on the specified image arrays, with the specified offset and scale value

Parameters:

src1_1d - The first source image as a pixel array

src2_1d - The second source image as a pixel array

width - width of the destination image in pixels

height - height of the destination image in pixels

oset - The offset value

scale - The scale value

reverse - false if image2 - image 1

Returns:

A pixel array containing the difference of the two input images

imagedifference

public int[] imagedifference(int[] src1_1d,
                             int width,
                             int height,
                             float oset,
                             float scale,
                             int constant)

Subtracts the specified constant value from the specified input image, also using offset and scale values

Parameters:

src1_1d - The input pixel array

width - width of the destination image in pixels

height - height of the destination image in pixels

oset - The offset value

scale - The scale value

constant - The constant value to be subtracted from every pixel in the input array

Returns:

A pixel array with the constant value subtracted from every pixel in the input array

imagedifference

public int[] imagedifference(int constant,
                             int width,
                             int height,
                             float oset,
                             float scale,
                             int[] src1_1d)

Subtracts every pixel in the input image from the specified constant value, also using offset and scale values

Parameters:

constant - The constant value to be subtracted from every pixel in the input array

width - width of the destination image in pixels

height - height of the destination image in pixels

oset - The offset value

scale - The scale value

src1_1d - The input pixel array

Returns:

A pixel array with the difference between the constant value and every pixel in the input array