org.openimaj.image.processing.face.feature

Class LocalLBPHistogram.Extractor<T extends DetectedFace>

java.lang.Object

org.openimaj.image.processing.face.feature.LocalLBPHistogram.Extractor<T>

Type Parameters:

T - Type of DetectedFace.

All Implemented Interfaces:

FeatureExtractor<LocalLBPHistogram,T>, FacialFeatureExtractor<LocalLBPHistogram,T>, ReadableBinary, ReadWriteableBinary, WriteableBinary

Enclosing class:

LocalLBPHistogram

public static class LocalLBPHistogram.Extractor<T extends DetectedFace>
extends Object
implements FacialFeatureExtractor<LocalLBPHistogram,T>

A FacialFeatureExtractor for building LocalLBPHistograms.

Author:

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

Constructor Summary

Constructors

Constructor and Description
Extractor() Construct with a IdentityAligner
Extractor(FaceAligner<T> aligner) Construct with the given aligner.
Extractor(FaceAligner<T> aligner, int blocksX, int blocksY, int samples, int radius) Construct with the given aligner, parameters describing how the image is broken into blocks and parameters describing the radius of the LBP extraction circle, and how many samples are made.

Method Summary

Modifier and Type	Method and Description
byte[]	binaryHeader() Header for binary input.
LocalLBPHistogram	extractFeature(T detectedFace) Extract features from an object and return them.
void	readBinary(DataInput in) Read internal state from in.
String	toString()
void	writeBinary(DataOutput out) Write the content of this as binary to out.

Methods inherited from class java.lang.Object

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

Constructor Detail

Extractor

public Extractor()

Construct with a IdentityAligner

Extractor

public Extractor(FaceAligner<T> aligner)

Construct with the given aligner.

Parameters:

aligner - the aligner

Extractor

public Extractor(FaceAligner<T> aligner,
                 int blocksX,
                 int blocksY,
                 int samples,
                 int radius)

Construct with the given aligner, parameters describing how the image is broken into blocks and parameters describing the radius of the LBP extraction circle, and how many samples are made.

Parameters:

aligner - The face aligner

blocksX - The number of blocks in the x-direction

blocksY - The number of blocks in the y-direction

samples - The number of samples around the circle for the ExtendedLocalBinaryPattern

radius - the radius used for the ExtendedLocalBinaryPattern .

Method Detail

extractFeature

public LocalLBPHistogram extractFeature(T detectedFace)

Description copied from interface: FeatureExtractor

Extract features from an object and return them.

Specified by:

extractFeature in interface FeatureExtractor<LocalLBPHistogram,T extends DetectedFace>

Parameters:

detectedFace - the object to extract from

Returns:

the extracted feature

readBinary

public void readBinary(DataInput in)
                throws IOException

Description copied from interface: ReadableBinary

Read internal state from in.

Specified by:

readBinary in interface ReadableBinary

Parameters:

in - source to read from.

Throws:

IOException - an error reading input

binaryHeader

public byte[] binaryHeader()

Description copied from interface: ReadableBinary

Header for binary input. Will be automatically read by IOUtils when using readBinary().

Specified by:

binaryHeader in interface ReadableBinary

Specified by:

binaryHeader in interface WriteableBinary

Returns:

header

writeBinary

public void writeBinary(DataOutput out)
                 throws IOException

Description copied from interface: WriteableBinary

Write the content of this as binary to out.

Specified by:

writeBinary in interface WriteableBinary

Parameters:

out - sink to write to

Throws:

IOException - an error writing to out

toString

public String toString()

Overrides:

toString in class Object