Definition
Lip movement recognition is a speaker recognition technique, where the identity of a speaker is determined/verified by exploiting information contained in dynamics of changes of visual features extracted from the mouth region. The visual features usually consist of appropriate representations of the mouth appearance and/or shape. This dynamic visual information can also be used in addition to the acoustic information in order to improve the performance of audio-only speaker recognition systems and increase their resilience to spoofing, therefore giving rise to audio–visual-dynamic speaker recognition systems.
Introduction
Speech contains information about identity, emotion, location, as well as linguistic information, and plays a significant role in the development of human computer interaction (HCI) systems, including speaker recognition systems. However, audio-only systems can perform...
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Aleksic, P.S. (2009). Lip Movement Recognition. In: Li, S.Z., Jain, A. (eds) Encyclopedia of Biometrics. Springer, Boston, MA. https://doi.org/10.1007/978-0-387-73003-5_245
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DOI: https://doi.org/10.1007/978-0-387-73003-5_245
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