edu.mit.sketch.util
Class Gaussian

java.lang.Object
  |
  +--edu.mit.sketch.util.Gaussian

public class Gaussian

extends Object

This class computes and stores the necessary convolution filters of different sizes for gaussian convlution.

Field Summary

double[]	g Gaussian mask
double	sigma sigma
int	size Gaussian mask

Constructor Summary

Gaussian(int size, double sigma)
The constructor.

Method Summary

double[]	convolve(double[] input) Returns the convolved version of the input signal This is non-destructive on the input.
String	toString() toString

Methods inherited from class java.lang.Object

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

Field Detail

g

public double[] g

Gaussian mask

sigma

public double sigma

sigma

size

public int size

Gaussian mask

Constructor Detail

Gaussian

public Gaussian(int size,
                double sigma)

The constructor. size should be an odd number This method was written using MATLAB's implementation of fspecial(.,.)

Method Detail

toString

public String toString()

toString

Overrides:

toString in class Object

convolve

public double[] convolve(double[] input)

Returns the convolved version of the input signal This is non-destructive on the input. The input shold be longer than the mask size.