Patents by Inventor Gi-Won Nam

Gi-Won Nam 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 for encrypting and decrypting an image frame
    Publication number: 20080205644
    Abstract: An apparatus for encrypting an image frame generates a key frame, performs XOR with the image frame and the key frame to generate a temporary image frame, and changes positions of blocks of the temporary image frame according to a first key to generate an encrypted image frame. An apparatus for decrypting an image frame receives an encrypted image frame, generates a key frame, changes positions of blocks of the encrypted image frame according to a first key to generate a temporary image frame, and performs XOR with the temporary image frame and the key frame to generate the image frame.
    Type: Application
    Filed: September 28, 2007
    Publication date: August 28, 2008
    Applicant: KOREA UNIVERSITY INDUSTRY AND ACADEMY COLLABORATION FOUNDATION
    Inventors: Hee-Jo Lee, Eui-Jin Choo, Je-Hyun Lee, Gi-Won Nam