Patents by Inventor DeaHun Nyang

DeaHun Nyang 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 of providing completely automated public turing test to tell computer and human apart based on image
    Patent number: 8352598
    Abstract: Disclosed is a method of providing a completely automated public turing test to tell a computer and a human apart (CAPTCHA) based on image. The method comprises the steps of: storing a plurality of randomly-selected images by session when a request for a web page is received from a user client; providing the web page and a session ID to the user client; generating a test image by mixing the plurality of images when a request for a test image corresponding to the session ID is received from the user client; transmitting the generated test image to the user client; receiving at least one of first identification information inputted by the user about the test image from the user client; and comparing the first identification information with second identification information included in Meta information of the test image.
    Type: Grant
    Filed: December 23, 2007
    Date of Patent: January 8, 2013
    Assignee: Inha-Industry Partnership Institute
    Inventors: DeaHun Nyang, Jeonil Kang
  • Method of providing completely automated public turing test to tell computer and human apart based on image
    Publication number: 20090138723
    Abstract: Disclosed is a method of providing a completely automated public turing test to tell a computer and a human apart (CAPTCHA) based on image. The method comprises the steps of: storing a plurality of randomly-selected images by session when a request for a web page is received from a user client; providing the web page and a session ID to the user client; generating a test image by mixing the plurality of images when a request for a test image corresponding to the session ID is received from the user client; transmitting the generated test image to the user client; receiving at least one of first identification information inputted by the user about the test image from the user client; and comparing the first identification information with second identification information included in Meta information of the test image.
    Type: Application
    Filed: December 23, 2007
    Publication date: May 28, 2009
    Applicant: INHA-INDUSTRY PARTNERSHIP INSTITUTE
    Inventors: DeaHun NYANG, Jeonil KANG, YoungJae MAENG, KoonSoon KIM