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Electronic facial tracking and detection system and method and apparatus for automated speech recognition

  • US 4,975,960 A
  • Filed: 06/03/1985
  • Issued: 12/04/1990
  • Est. Priority Date: 06/03/1985
  • Status: Expired due to Term
First Claim
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1. An apparatus for producing output indicating words spoken by a human speaker, said apparatus comprising:

  • means for detecting sounds, converting said sounds to electrical signals, analyzing said signals to detect for words, and then producing an electrical acoustic output signal representing at least one spoken word;

    means for scanning said speaker'"'"'s face and producing electrical image signals, each said signal representing an image in a sequence of video images of said speaker;

    means, responsive to each said image signal, for tracking said speaker'"'"'s mouth by tracking said speaker'"'"'s nostrils;

    means for analyzing portions of said image signals, said portions defined by said means for tracking, to produce a video output signal representing at least one visual manifestation of at least one spoken word;

    means for receiving and correlating said acoustic output signal and said video output signal to produce said output.

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