volume
Class DoG

java.lang.Object
  volume.Kernel
      volume.Kernel1D
          volume.Gaussian
              volume.DoG

public class DoG
extends Gaussian

This is a 1D Difference of Gaussian convolution kernel. DoG(x) = 1 / Math.sqrt(2 Math.PI * sigma^2) e^(-x^2 / 2 sigma^2) - 1 / Math.sqrt(2 Math.PI * (1.6 sigma)^2) e^(-x^2 / 2 (1.6 sigma)^2)

Field Summary

Fields inherited from class volume.Kernel1D

k

Fields inherited from class volume.Kernel

halfwidth

Constructor Summary

DoG(double sigma)
Create a Difference of Gaussian kernel from standard deviation sigma.

Method Summary

java.lang.String

toString()

Methods inherited from class volume.Gaussian

getSigma

Methods inherited from class volume.Kernel1D

kernelToString

Methods inherited from class volume.Kernel

support

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

DoG

public DoG(double sigma)

Create a Difference of Gaussian kernel from standard deviation sigma.

Parameters:

sigma, - the standard deviation of the associated probability function of the Gaussian function.

Method Detail

toString

public java.lang.String toString()

Overrides:

toString in class Gaussian