Module imagingbook.common

Package imagingbook.common.filter.nonlinear

Class ScalarMedianFilter

java.lang.Object

imagingbook.common.filter.generic.GenericFilter

imagingbook.common.filter.generic.GenericFilterScalar

imagingbook.common.filter.nonlinear.ScalarMedianFilter

All Implemented Interfaces:

ProgressReporter

public class ScalarMedianFilter
extends GenericFilterScalar

Ordinary (scalar) median filter for color images implemented by extending the GenericFilter class. Color images are filtered individually in all channels. See Sec. 15.2.1 of [1] for details.

[1] W. Burger, M.J. Burge, Digital Image Processing – An Algorithmic Introduction, 3rd ed, Springer (2022).

Version:

2020/12/31

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	ScalarMedianFilter.Parameters

Constructor Summary

Constructors

Constructor	Description
ScalarMedianFilter()
ScalarMedianFilter(ScalarMedianFilter.Parameters params)

Method Summary

Modifier and Type	Method	Description
protected float	doPixel(PixelPack.PixelSlice plane, int u, int v)	This method defines the steps to be performed for a single image pixel and must be implemented by any concrete sub-class.

Methods inherited from class imagingbook.common.filter.generic.GenericFilterScalar

reportProgress, runPass

Methods inherited from class imagingbook.common.filter.generic.GenericFilter

abort, applyTo, applyTo, applyTo, closeFilter, getDepth, getHeight, getPass, getProgress, getWidth, initFilter, initPass, passesRequired, reportProgress

Methods inherited from class java.lang.Object

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

Constructor Details

ScalarMedianFilter

public ScalarMedianFilter()

ScalarMedianFilter

public ScalarMedianFilter(ScalarMedianFilter.Parameters params)

Method Details

doPixel

protected float doPixel(PixelPack.PixelSlice plane,
 int u,
 int v)

Description copied from class: GenericFilterScalar

This method defines the steps to be performed for a single image pixel and must be implemented by any concrete sub-class. The source data are passed as a PixelPack.PixelSlice container, which holds the scalar values of one image component. The method PixelPack.PixelSlice.getVal(int, int) should be used to read individual pixel values. These data should not be modified but the (float) result of the single-pixel calculation must be returned.

Specified by:

doPixel in class GenericFilterScalar

Parameters:

plane - the scalar-valued data for a single image component

u - the current x-position

v - the current y-position

Returns:

the result of the filter calculation for this pixel