Patents by Inventor Woon Hwang

Woon Hwang 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).

  • Coding system & method of a fingerprint image
    Publication number: 20050201596
    Abstract: A binary coding method of a fingerprint image, the method comprises detecting a ridge range direction and a ridge curvature of the fingerprint image; and binary coding the fingerprint image using a binary coding filter selected in accordance with the ridge curvature.
    Type: Application
    Filed: March 9, 2005
    Publication date: September 15, 2005
    Inventors: Woon Hwang, Taek Kim