Patents by Inventor David J. Ittner

David J. Ittner 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 and apparatus for image enhancement
    Patent number: 5970169
    Abstract: A method and apparatus for enhancing images for facsimile machines, printers, etc., is provided. An independent training phase is used to train a system processor to create a probability table based on the surrounding pixel pattern of a given pixel in a training document. The training data generated is used in an enhancement phase where unknown pixels are determined based on the probability table generated during the training phase.
    Type: Grant
    Filed: September 30, 1997
    Date of Patent: October 19, 1999
    Assignee: AT&T Corp.
    Inventor: David J. Ittner