Multi-view passive 3D face acquisition device

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    Approaches to acquisition of 3D facial data include laser scanners, structured light devices and (passive) stereo vision. The laser scanner and structured light methods allow accurate reconstruction of the 3D surface but strong light is projected on the faces of subjects. Passive stereo vision based approaches do not require strong light to be projected, however, it is hard to obtain comparable accuracy and robustness of the surface reconstruction. In this paper a passive multiple view approach using 5 cameras in a ’+’ configuration is proposed that significantly increases robustness and accuracy relative to traditional stereo vision approaches. The normalised cross correlations of all 5 views are combined using direct projection of points instead of the traditionally used rectified images. Also, errors caused by different perspective deformation of the surface in the different views are reduced by using an iterative reconstruction technique where the depth estimation of the previous iteration is used to warp the windows of the normalised cross correlation for the different views.
    Original languageUndefined
    Title of host publicationProceedings of the Special Interest Group on Biometrics and Electronic Signatures
    Place of PublicationBonn
    PublisherGesellschaft für Informatik
    Number of pages12
    ISBN (Print)978-3-88579-231-4
    Publication statusPublished - 11 Sept 2008
    EventSpecial Interest Group on Biometrics and Electronic Signatures - Darmstadt, Germany
    Duration: 11 Sept 200812 Sept 2008

    Publication series

    NameLecture Notes in Informatics (LNI) - Proceedings
    PublisherGesellschaft fuer Informatik
    ISSN (Print)1617-5468


    ConferenceSpecial Interest Group on Biometrics and Electronic Signatures
    Other11-12 Sep 2008


    • EWI-13880
    • CR-I.4
    • IR-65059
    • SCS-Safety
    • METIS-252084
    • CR-I.4.1

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