Patents Assigned to QuStream Corporation
  • Systems and methods for improved video comb filtering with dynamic chroma bandwidth control
    Patent number: 7327405
    Abstract: The invention provides improved video comb filtering. One aspect of the invention considers detected motion of an object between a reference signal and a comparison signal in determining whether to comb and if combing is indicate, what portion of each of the signals to use for combing. Another aspect of the invention detects non-coherent combing decisions and eliminates the non-coherency. Yet another aspect of the invention uses luma bandwidth reduction and/or chroma bandwidth reduction in the case of a comb failure.
    Type: Grant
    Filed: April 5, 2004
    Date of Patent: February 5, 2008
    Assignee: QuStream Corporation
    Inventors: Virgil L. Lowe, Xavier Jacques Lacarelle