Patents by Inventor Woon Ki Hong

Woon Ki Hong 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).

  • Apparatus and method for calculating satellite navigation visibility
    Patent number: 9221558
    Abstract: Provided is a satellite navigation visibility calculation apparatus. The satellite navigation visibility calculation apparatus includes a processing unit configured to binarize an input sky view image to create an binary image, an extraction unit configured to extract a plurality of feature points from the binary image, and a calculation unit configured to calculate satellite navigation dilution of precision (DOP) corresponding to the sky view image using the plurality of feature points.
    Type: Grant
    Filed: November 27, 2013
    Date of Patent: December 29, 2015
    Assignee: Korea Aerospace Research Institute
    Inventors: Woon Ki Hong, Eun Sung Lee, Kwang Sik Choi, Moon Beom Heo, Gi Wook Nam
  • Apparatus and Method for Calculating Satellite Navigation Visibility
    Publication number: 20140185940
    Abstract: Provided is a satellite navigation visibility calculation apparatus. The satellite navigation visibility calculation apparatus includes a processing unit configured to binarize an input sky view image to create an binary image, an extraction unit configured to extract a plurality of feature points from the binary image, and a calculation unit configured to calculate satellite navigation dilution of precision (DOP) corresponding to the sky view image using the plurality of feature points.
    Type: Application
    Filed: November 27, 2013
    Publication date: July 3, 2014
    Applicant: Korea Aerospace Research Institute
    Inventors: Woon Ki Hong, Eun Sung Lee, Kwang Sik Choi, Moon Beom Heo, Gi Wook Nam