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An Illumination Invariant Face Recognition Algorithm

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dc.contributor.author Leonidou, M en
dc.contributor.author Tsapatsoulis, N en
dc.contributor.author Kollias, S en
dc.date.accessioned 2014-03-01T02:48:39Z
dc.date.available 2014-03-01T02:48:39Z
dc.date.issued 1998 en
dc.identifier.uri https://dspace.lib.ntua.gr/xmlui/handle/123456789/33991
dc.relation.uri http://www.scopus.com/inward/record.url?eid=2-s2.0-1642377295&partnerID=40&md5=12561ac79350774e54cee782a415069f en
dc.subject.other Algorithms en
dc.subject.other Approximation theory en
dc.subject.other Content based retrieval en
dc.subject.other Cosine transforms en
dc.subject.other Database systems en
dc.subject.other Eigenvalues and eigenfunctions en
dc.subject.other Image reconstruction en
dc.subject.other Matrix algebra en
dc.subject.other Robustness (control systems) en
dc.subject.other Vectors en
dc.subject.other Identification algorithms en
dc.subject.other Singular value decomposition (SVD) en
dc.subject.other Face recognition en
dc.title An Illumination Invariant Face Recognition Algorithm en
heal.type conferenceItem en
heal.publicationDate 1998 en
heal.abstract A face recognition technique, introducing an identification algorithm able to preserve facial content information independently of illumination variations, is proposed in this paper. Content information of images, stored in the face database, is kept by retaining their singular vectors while their illumination conditions are adapted according to the luminance information of the face image to be identified, provided by its singular values. To make the algorithm suitable for real time applications a fast presorting of the database is executed based on a similarity measure of block DCT coefficients. Experimental results depict the efficiency of the proposed method, showing not only a remarkable increase in the recognition rates, but also an improvement of the robustness of identification. en
heal.journalName Proceedings of the Joint Conference on Information Sciences en
dc.identifier.volume 4 en
dc.identifier.spage 299 en
dc.identifier.epage 302 en


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