<abstract xmlns="http://www.w3.org/1999/xhtml"><p>In this article, we develop a new algorithm for illumination invariant face recognition. We first transform the face images to the logarithm domain, which makes the dark regions brighter. We then use dual-tree complex wavelet transform to generate face images that are approximately invariant to illumination changes and use collaborative representation-based classifier to classify the unknown faces to one known class. We set the approximation sub-band and the highest two DTCWT coefficient sub-bands to zero values before the inverse DTCWT transform is performed. Experimental results demonstrate that our proposed method improves upon a few existing methods under both the noise-free and noisy environments for the Extended Yale Face Database B and the CMU-PIE face database.</p></abstract>

In this article, we develop a new algorithm for illumination invariant face recognition. We first transform the face images to the logarithm domain, which makes the dark regions brighter. We then use dual-tree complex wavelet transform to generate face images that are approximately invariant to illumination changes and use collaborative representation-based classifier to classify the unknown faces to one known class. We set the approximation sub-band and the highest two DTCWT coefficient sub-bands to zero values before the inverse DTCWT transform is performed. Experimental results demonstrate that our proposed method improves upon a few existing methods under both the noise-free and noisy environments for the Extended Yale Face Database B and the CMU-PIE face database.

Illumination invariant face recognition using dual-tree complex wavelet transform in logarithm domain

Department of Computer Science and Software Engineering

Journal of Electrical Engineering

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

In this article, we develop a new algorithm for illumination invariant face recognition. We first transform the face images to the logarithm domain, which...

Illumination invariant face recognition using dual-tree complex wavelet transform in logarithm domain

Published Online: May 13, 2019

Page range: 113 - 121

Received: Apr 11, 2018

DOI: https://doi.org/10.2478/jee-2019-0017

Keywords
face recognition, invariant features, dual-tree complex wavelet transform (DTCWT), collaborative representation-based classifier (CRC)

© 2019 Guang Yi Chen et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Illumination invariant face recognition using dual-tree complex wavelet transform in logarithm domain

Published Online: May 13, 2019

Page range: 113 - 121

Received: Apr 11, 2018

DOI: https://doi.org/10.2478/jee-2019-0017

Keywordsface recognition, invariant features, dual-tree complex wavelet transform (DTCWT), collaborative representation-based classifier (CRC)

© 2019 Guang Yi Chen et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Keywords
face recognition, invariant features, dual-tree complex wavelet transform (DTCWT), collaborative representation-based classifier (CRC)