org.openimaj.image.processing.algorithm

Class FilterSupport

java.lang.Object

org.openimaj.image.processing.algorithm.FilterSupport

public class FilterSupport
extends Object

Methods and statically defined templates for defining the support of local image filters.

Author:

Jonathon Hare (jsh2@ecs.soton.ac.uk)

Field Summary

Fields

Modifier and Type	Field and Description
static Set<Pixel>	BLOCK_3x3 Offsets for using a 3x3 blocked shaped mask to select pixels for computing median.
static Set<Pixel>	CROSS_3x3 Offsets for using a 3x3 cross shaped mask to select pixels for computing median.

Constructor Summary

Constructors

Constructor and Description
FilterSupport()

Method Summary

Modifier and Type	Method and Description
static Set<Pixel>	createBlockSupport(int width, int height) Create a a rectangular support.
static int	getSupportHeight(Set<Pixel> support) Get the height of the support region
static int	getSupportWidth(Set<Pixel> support) Get the width of the support region
static boolean	isBlockSupport(Set<Pixel> support) Test whether the given support is a centred block

Methods inherited from class java.lang.Object

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

Field Detail

CROSS_3x3

public static final Set<Pixel> CROSS_3x3

Offsets for using a 3x3 cross shaped mask to select pixels for computing median.

BLOCK_3x3

public static final Set<Pixel> BLOCK_3x3

Offsets for using a 3x3 blocked shaped mask to select pixels for computing median.

Constructor Detail

FilterSupport

public FilterSupport()

Method Detail

createBlockSupport

public static final Set<Pixel> createBlockSupport(int width,
                                                  int height)

Create a a rectangular support.

Parameters:

width - the width of the support

height - the height of the support

Returns:

the support

isBlockSupport

public static final boolean isBlockSupport(Set<Pixel> support)

Test whether the given support is a centred block

Parameters:

support - the support

Returns:

true if block, false otherwise

getSupportWidth

public static final int getSupportWidth(Set<Pixel> support)

Get the width of the support region

Parameters:

support - the region

Returns:

the width

getSupportHeight

public static final int getSupportHeight(Set<Pixel> support)

Get the height of the support region

Parameters:

support - the region

Returns:

the height