Patents by Inventor Donald B. Matson

Donald B. Matson 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).

  • Patent number: 5396566
    Abstract: A line space baseline adjuster in a handwriting recognition system achieves improved recognition accuracy by normalizing the Cartesian coordinates of the writings captured by a digitizer to coincide with prototype character space. The normalization techniques include weighted average estimation, prototype extraction estimation, extreme point clustering estimation and a combination of prototype extraction estimation and extreme point clustering estimation.
    Type: Grant
    Filed: March 4, 1993
    Date of Patent: March 7, 1995
    Assignee: International Business Machines Corporation
    Inventors: Wilker S. Bruce, Joonki Kim, Donald B. Matson, William D. Modlin