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    3D face recognition with asymptotic cones based principal curvatures

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    Type
    Conference Paper
    Authors
    Tang, Yinhang
    Sun, Xiang cc
    Huang, Di
    Morvan, Jean-Marie
    Wang, Yunhong
    Chen, Liming
    KAUST Department
    Applied Mathematics and Computational Science Program
    Computer, Electrical and Mathematical Sciences and Engineering (CEMSE) Division
    Visual Computing Center (VCC)
    Date
    2015-05
    Permanent link to this record
    http://hdl.handle.net/10754/577097
    
    Metadata
    Show full item record
    Abstract
    The classical curvatures of smooth surfaces (Gaussian, mean and principal curvatures) have been widely used in 3D face recognition (FR). However, facial surfaces resulting from 3D sensors are discrete meshes. In this paper, we present a general framework and define three principal curvatures on discrete surfaces for the purpose of 3D FR. These principal curvatures are derived from the construction of asymptotic cones associated to any Borel subset of the discrete surface. They describe the local geometry of the underlying mesh. First two of them correspond to the classical principal curvatures in the smooth case. We isolate the third principal curvature that carries out meaningful geometric shape information. The three principal curvatures in different Borel subsets scales give multi-scale local facial surface descriptors. We combine the proposed principal curvatures with the LNP-based facial descriptor and SRC for recognition. The identification and verification experiments demonstrate the practicability and accuracy of the third principal curvature and the fusion of multi-scale Borel subset descriptors on 3D face from FRGC v2.0.
    Publisher
    Institute of Electrical and Electronics Engineers (IEEE)
    Journal
    2015 International Conference on Biometrics (ICB)
    DOI
    10.1109/ICB.2015.7139111
    ae974a485f413a2113503eed53cd6c53
    10.1109/ICB.2015.7139111
    Scopus Count
    Collections
    Conference Papers; Applied Mathematics and Computational Science Program; Visual Computing Center (VCC); Computer, Electrical and Mathematical Sciences and Engineering (CEMSE) Division

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