whistlesAndMoans
Class MedianFilter

java.lang.Object
  whistlesAndMoans.MedianFilter

public class MedianFilter
extends java.lang.Object

Median Filter for a finite amount of data. Copied from Paul Whites C code in medfilt_prw_c.c

Author:

Doug Gillespie

Field Summary

(package private) int[]	indices
(package private) double[]	x
(package private) double[]	xsrt

Constructor Summary

MedianFilter()

Method Summary

private void	bubble(double[] x, int L, int[] y) Bubble sort.
void	medianFilter(double[] inputData, double[] outputData, int N) Median Filter for a finite amount of data.
(package private) void	swap(double[] array, int ind1, int ind2)
(package private) void	swap(int[] array, int ind1, int ind2)

Methods inherited from class java.lang.Object

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

Field Detail

indices

int[] indices

xsrt

double[] xsrt

x

double[] x

Constructor Detail

MedianFilter

public MedianFilter()

Method Detail

medianFilter

public void medianFilter(double[] inputData,
                         double[] outputData,
                         int N)

Median Filter for a finite amount of data. Copied from Paul Whites C code in medfilt_prw_c.c

Parameters:

inputData - array of input data

outputData - output of filter

N - width of median filter.

bubble

private void bubble(double[] x,
                    int L,
                    int[] y)

Bubble sort. Data are left alone and function returns a set of ordered indices in decending order

Parameters:

x - input data

L - number of points

y - sorted output indices

swap

void swap(int[] array,
          int ind1,
          int ind2)

swap

void swap(double[] array,
          int ind1,
          int ind2)