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    Chapter and Conference Paper

    A Matrix-Oriented Method for Appearance-Based Data Compression – An Idea from Group Representation Theory

    Motivated by ideas of group representation theory, we propose a matrix-oriented method to dimension reduction for image data. By virtue of the action of Stiefel manifold, the original image representations can...

    Deli Zhao, Chongqing Liu, Yuehui Zhang in Advances in Biometric Person Authentication (2005)

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    Chapter and Conference Paper

    AAM Based Matching of Hand Appearance for User Verification

    We present a method for personal authentication bsed on deformable matching of hand appearance. Authentication systems are already employed in komains that require some sort of user verification. In this work,...

    **aolong Teng, Ying Liu, Chongqing Liu in Advances in Biometric Person Authentication (2005)