Patents by Inventor Chih-Chau Kuan

Chih-Chau Kuan 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: 5058182
    Abstract: A method and apparatus is provided for written character recognition. The method includes thresholding an input gray level character image to derive its bilevel image, extracting stroke-based features of said bilevel image, classifying the features based upon a set of predetermined rules, determining the identity of the character utilizing the classification, and indicating the identity of the character. A method and apparatus for extracting features of a written character is also provided. This method includes raster scanning the written character to determine stroke-based features, extracting vertical strokes of the character and extracting horizontal strokes of the character.
    Type: Grant
    Filed: May 2, 1988
    Date of Patent: October 15, 1991
    Assignee: The Research Foundation of State Univ. of New York
    Inventors: Chih-Chau Kuan, Jonathan J. Hull, Sargur N. Srihari