org.openimaj.image.processing.algorithm

Class MinMaxAnalyser

java.lang.Object

org.openimaj.image.processing.algorithm.MinMaxAnalyser

All Implemented Interfaces:

ImageAnalyser<FImage>

public class MinMaxAnalyser
extends Object
implements ImageAnalyser<FImage>

Analyser that computes for every pixel the minimum and maximum of its neighbours. This is equivalent to greyscale morphological erosion and dilation.

Author:

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

See Also:

MinFilter, MaxFilter

Field Summary

Fields

Modifier and Type	Field and Description
FImage	max The max filtered image computed from the last call to analyseImage(FImage)
FImage	min The min filtered image computed from the last call to analyseImage(FImage)

Constructor Summary

Constructors

Constructor and Description
MinMaxAnalyser(Set<Pixel> support) Construct with the given support region for selecting pixels to take the median from.

Method Summary

Modifier and Type	Method and Description
void	analyseImage(FImage image) Analyse an image.

Methods inherited from class java.lang.Object

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

Field Detail

min

public FImage min

The min filtered image computed from the last call to analyseImage(FImage)

max

public FImage max

The max filtered image computed from the last call to analyseImage(FImage)

Constructor Detail

MinMaxAnalyser

public MinMaxAnalyser(Set<Pixel> support)

Construct with the given support region for selecting pixels to take the median from. The support mask is a set of n relative x, y offsets from the pixel currently being processed, and can be created using the methods or constants in the FilterSupport class.

Parameters:

support - the support coordinates

Method Detail

analyseImage

public void analyseImage(FImage image)

Description copied from interface: ImageAnalyser

Analyse an image.

Specified by:

analyseImage in interface ImageAnalyser<FImage>

Parameters:

image - The image to process in place.