Class Log

java.lang.Object
  |
  +--Log

public class Log

extends java.lang.Object

The laplacian of Gaussian operator code.

Author:

Simon Horne.

Field Summary

int	height The input image height.
int	height2 The output image height.
int	width The input image width.
int	width2 The output image width.

Constructor Summary

Log(int k, double t)
Constructor that generates the kernel from the kernel size and theta.

Method Summary

boolean	kernelValid(double t) Boolean tests for valid kernel construction from the kernel size and theta.
int[]	log_image(int[] input, int width, int height, double scale, double offset) Takes an input image and returns the output image after applying the laplacian of gaussian operator.

Methods inherited from class java.lang.Object

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

Field Detail

width

public int width

The input image width.

height

public int height

The input image height.

width2

public int width2

The output image width.

height2

public int height2

The output image height.

Constructor Detail

Log

public Log(int k,
           double t)

Constructor that generates the kernel from the kernel size and theta.

Parameters:

k - The kernel size.

t - the theta value.

Method Detail

kernelValid

public boolean kernelValid(double t)

Boolean tests for valid kernel construction from the kernel size and theta.

Parameters:

t - the theta value.

log_image

public int[] log_image(int[] input,
                       int width,
                       int height,
                       double scale,
                       double offset)

Takes an input image and returns the output image after applying the laplacian of gaussian operator.

Parameters:

input - The input image integer array.

width - The image width.

height - The image height.

Returns:

The output image integer array.