Patents by Inventor David Qualman

David Qualman has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Method to enhance contrast with reduced visual artifacts
    Patent number: 9721328
    Abstract: A method to enhance the contrast of a set of pixels each pixels being characterized by a set of color attributes comprising the steps of: determining a first property of the set of pixels; determining a second property of the set of pixels; determining, for each pixel of the set of pixels, a first property of said pixel; and modifying the color attributes of each pixel of the set of pixels as a function of the first and second property of the set of pixels and the first property of said pixel.
    Type: Grant
    Filed: September 21, 2015
    Date of Patent: August 1, 2017
    Assignee: Barco N.V.
    Inventors: Albert Xthona, David Qualman
  • METHOD TO ENHANCE CONTRAST WITH REDUCED VISUAL ARTIFACTS
    Publication number: 20160086314
    Abstract: A method to enhance the contrast of a set of pixels each pixels being characterized by a set of color attributes comprising the steps of: determining a first property of the set of pixels; determining a second property of the set of pixels; determining, for each pixel of the set of pixels, a first property of said pixel; and modifying the color attributes of each pixel of the set of pixels as a function of the first and second property of the set of pixels and the first property of said pixel.
    Type: Application
    Filed: September 21, 2015
    Publication date: March 24, 2016
    Inventors: Albert Xthona, David Qualman