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  1. No Access

    Article

    A Novel Speech/Noise Discrimination Method for Embedded ASR System

    The problem of speech/noise discrimination has become increasingly important as the automatic speech recognition (ASR) system is applied in the real world. Robustness and simplicity are two challenges to the s...

    Bian Wu, **aolin Ren, Chongqing Liu… in EURASIP Journal on Advances in Signal Proc… (2004)

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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)

  3. No Access

    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)

  4. No Access

    Article

    A Robust, Real-Time Voice Activity Detection Algorithm for Embedded Mobile Devices

    When an Automatic Speech Recognition (ASR) system is applied in noisy environments, Voice Activity Detection (VAD) is crucial to the performance of the overall system. The employment of the VAD for ASR on embe...

    Bian Wu, **aolin Ren, Chongqing Liu… in International Journal of Speech Technology (2005)