Patents by Inventor Mark S. Ransom

Mark S. Ransom 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).

  • Methods for digitally noise averaging and illumination equalizing fingerprint images
    Patent number: 4811414
    Abstract: Methods for operating a programmable digital computer to enhance images of fingerprints represented by an array of pixel values. Methods for noise averaging, illumination equalizing, directional filtering, unhairing, curvature correcting, and scale correcting a fingerprint image are disclosed.
    Type: Grant
    Filed: February 27, 1987
    Date of Patent: March 7, 1989
    Assignee: C.F.A. Technologies, Inc.
    Inventors: Glenn M. Fishbine, Mark S. Ransom, Daniel E. Germann