org.openimaj.image.processing.face.feature.ltp

Class LtpDtFeature

java.lang.Object

org.openimaj.image.processing.face.feature.ltp.AbstractLtpDtFeature

org.openimaj.image.processing.face.feature.ltp.LtpDtFeature

All Implemented Interfaces:

FacialFeature, ReadableBinary, ReadWriteableBinary, WriteableBinary

@Reference(type=Article,
           author={"Xiaoyang Tan","Triggs, B."},
           title="Enhanced Local Texture Feature Sets for Face Recognition Under Difficult Lighting Conditions",
           year="2010",
           journal="Image Processing, IEEE Transactions on",
           pages={"1635 ","1650"},
           month="june ",
           number="6",
           volume="19",
           customData={"keywords","CAS-PEAL-R1;Gabor wavelets;PCA;distance transform based matching;extended Yale-B;face recognition;kernel-based feature extraction;local binary patterns;local spatial histograms;local ternary patterns;local texture feature set enhancement;local texture-based face representations;multiple feature fusion;principal component analysis;robust illumination normalization;face recognition;feature extraction;image enhancement;image fusion;image representation;image texture;principal component analysis;wavelet transforms;Algorithms;Biometry;Face;Humans;Image Enhancement;Image Interpretation, Computer-Assisted;Imaging, Three-Dimensional;Lighting;Pattern Recognition, Automated;Reproducibility of Results;Sensitivity and Specificity;Subtraction Technique;","doi","10.1109/TIP.2010.2042645","ISSN","1057-7149"})
public class LtpDtFeature
extends AbstractLtpDtFeature

The LTP based feature using a truncated Euclidean distance transform to estimate the distances within each slice.

Author:

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

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	LtpDtFeature.Extractor<Q extends DetectedFace> A FacialFeatureExtractor for extracting LtpDtFeatures.

Field Summary

Fields inherited from class org.openimaj.image.processing.face.feature.ltp.AbstractLtpDtFeature

ltpPixels

Constructor Summary

Constructors

Constructor and Description
LtpDtFeature(FImage face, FImage mask, LTPWeighting weighting) Construct a LtpDtFeature feature.

Method Summary

Methods inherited from class org.openimaj.image.processing.face.feature.ltp.AbstractLtpDtFeature

binaryHeader, constructSlices, extractDistanceTransforms, extractLTPSlicePixels, getDistanceMaps, normaliseImage, readBinary, writeBinary

Methods inherited from class java.lang.Object

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

Constructor Detail

LtpDtFeature

public LtpDtFeature(FImage face,
                    FImage mask,
                    LTPWeighting weighting)

Construct a LtpDtFeature feature.

Parameters:

face - the aligned face image

mask - the mask

weighting - the weighting scheme