org.openimaj.image.processing.resize.filters

Class Lanczos3Filter

java.lang.Object

org.openimaj.image.processing.resize.filters.Lanczos3Filter

All Implemented Interfaces:

ResizeFilterFunction

public class Lanczos3Filter
extends Object
implements ResizeFilterFunction

A Lanczos3 filter for the resample function.

Author:

David Dupplaw (dpd@ecs.soton.ac.uk)

Field Summary

Fields

Modifier and Type	Field and Description
static ResizeFilterFunction	INSTANCE The singleton instance of the filter

Constructor Summary

Constructors

Constructor and Description
Lanczos3Filter()

Method Summary

Modifier and Type	Method and Description
double	filter(double t) The filter function.
double	getSupport() Returns the support width for the filter function.

Methods inherited from class java.lang.Object

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

Field Detail

INSTANCE

public static ResizeFilterFunction INSTANCE

The singleton instance of the filter

Constructor Detail

Lanczos3Filter

public Lanczos3Filter()

Method Detail

getSupport

public double getSupport()

Description copied from interface: ResizeFilterFunction

Returns the support width for the filter function.

Specified by:

getSupport in interface ResizeFilterFunction

Returns:

The the support width for the filter function.

filter

public double filter(double t)

Description copied from interface: ResizeFilterFunction

The filter function.

Specified by:

filter in interface ResizeFilterFunction

Parameters:

t - The weight to filter

Returns:

the filter value

See Also:

ResizeFilterFunction.filter(double)