A novel approach for nose tip detection using smoothing by weighted median filtering applied to 3D face images in variant poses

This paper is based on n application of smoothing of 3D face images followed by feature detection i.e. detecting the nose tip. The present method uses a weighted mesh median filtering technique for smoothing. In this present smoothing technique we have built the neighborhood surrounding a particular...

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Hauptverfasser: Bagchi, P., Bhattacharjee, D., Nasipuri, M., Basu, D. K.
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Nasipuri, M.
Basu, D. K.
description This paper is based on n application of smoothing of 3D face images followed by feature detection i.e. detecting the nose tip. The present method uses a weighted mesh median filtering technique for smoothing. In this present smoothing technique we have built the neighborhood surrounding a particular point in 3D face and replaced that with the weighted value of the surrounding points in 3D face image. After applying the smoothing technique to the 3D face images our experimental results show that we have obtained considerable improvement as compared to the algorithm without smoothing. We have used here the maximum intensity algorithm for detecting the nose-tip and this method correctly detects the nose-tip in case of any pose i.e. along X, Y, and Z axes. The present technique gave us worked successfully on 535 out of 542 3D face images as compared to the method without smoothing which worked only on 521 3D face images out of 542 face images. Thus we have obtained a 98.70% performance rate over 96.12% performance rate of the algorithm without smoothing. All the experiments have been performed on the FRAV3D database.
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K.</creatorcontrib><collection>IEEE Electronic Library (IEL) Conference Proceedings</collection><collection>IEEE Proceedings Order Plan All Online (POP All Online) 1998-present by volume</collection><collection>IEEE Xplore All Conference Proceedings</collection><collection>IEEE Electronic Library (IEL)</collection><collection>IEEE Proceedings Order Plans (POP All) 1998-Present</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Bagchi, P.</au><au>Bhattacharjee, D.</au><au>Nasipuri, M.</au><au>Basu, D. 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subjects 3D face images
Face
Feature extraction
Filtering
Filtering algorithms
noisy spikes
Nose
Smoothing methods
Three dimensional displays
Weighted median filtering
title A novel approach for nose tip detection using smoothing by weighted median filtering applied to 3D face images in variant poses
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