org.openimaj.image.feature.dense.binarypattern

Class LocalUniformBinaryPatternHistogram

java.lang.Object

org.openimaj.image.feature.dense.binarypattern.LocalUniformBinaryPatternHistogram

@Reference(type=Article,
           author={"Ojala, T.","Pietikainen, M.","Maenpaa, T."},
           title="Multiresolution gray-scale and rotation invariant texture classification with local binary patterns",
           year="2002",
           journal="Pattern Analysis and Machine Intelligence, IEEE Transactions on",
           pages={"971 ","987"},
           month="jul",
           number="7",
           volume="24",
           customData={"doi","10.1109/TPAMI.2002.1017623","ISSN","0162-8828"})
public class LocalUniformBinaryPatternHistogram
extends Object

Class for extracting histograms of Local Uniform Binary Patterns. Uniform patterns have less than one 01 transition and one 01 transition when viewed as a circular buffer.

Author:

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

Field Summary

Fields

Modifier and Type	Field and Description
protected int	blocksize_x
protected int	blocksize_y

Constructor Summary

Constructors

Constructor and Description
LocalUniformBinaryPatternHistogram(int blocksize_x, int blocksize_y) Construct the extractor with the given block size for each local patch.

Method Summary

Modifier and Type	Method and Description
void	calculateHistograms(int[][] patternImage, int nbits) Compute the histograms for the given pattern image, encoded with the given number of bits.
FloatFV	getHistogram() Get the histograms as a single FloatFV.
FloatFV[][]	getHistograms() Get the histograms

Methods inherited from class java.lang.Object

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

Field Detail

blocksize_x

protected int blocksize_x

blocksize_y

protected int blocksize_y

Constructor Detail

LocalUniformBinaryPatternHistogram

public LocalUniformBinaryPatternHistogram(int blocksize_x,
                                          int blocksize_y)

Construct the extractor with the given block size for each local patch.

Parameters:

blocksize_x - the width of the blocks

blocksize_y - the height of the blocks

Method Detail

calculateHistograms

public void calculateHistograms(int[][] patternImage,
                                int nbits)

Compute the histograms for the given pattern image, encoded with the given number of bits.

Parameters:

patternImage - the pattern data

nbits - the number of bits used to encode the patterns

getHistograms

public FloatFV[][] getHistograms()

Get the histograms

Returns:

the histograms

getHistogram

public FloatFV getHistogram()

Get the histograms as a single FloatFV.

Returns:

the histograms