Patents by Inventor Jeon Pil Han

Jeon Pil Han 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 tracking a position of an eye and a medical head lamp using the same
    Patent number: 9033505
    Abstract: A method of tracking a position of an eye is provided. The method of tracking a position of an eye includes converting an obtained image into a binary number image, classifying the corner of the eye, maximum and minimum values of a pupil of the eye, and extracting a feature point from the binary number image on which the binarization step is completed, calculating a distance and inclination between the corner and the pupil of the eye using the feature point extracted through the feature point extraction step, and determining a gaze direction of the eye based on the distance and inclination calculated through the distance and inclination calculation step.
    Type: Grant
    Filed: January 31, 2012
    Date of Patent: May 19, 2015
    Assignee: Dongguk University Industry-Academic Cooperation Foundation
    Inventors: Sung Min Kim, Sang Hoon Hong, Chan Beom Jeong, Jeon Pil Han, Kwon Hee Lee
  • METHOD OF TRACKING A POSITION OF AN EYE AND A MEDICAL HEAD LAMP USING THE SAME
    Publication number: 20140039273
    Abstract: A method of tracking a position of an eye is provided. The method of tracking a position of an eye includes converting an obtained image into a binary number image, classifying the corner of the eye, maximum and minimum values of a pupil of the eye, and extracting a feature point from the binary number image on which the binarization step is completed, calculating a distance and inclination between the corner and the pupil of the eye using the feature point extracted through the feature point extraction step, and determining a gaze direction of the eye based on the distance and inclination calculated through the distance and inclination calculation step.
    Type: Application
    Filed: January 31, 2012
    Publication date: February 6, 2014
    Applicant: DONGGUK UNIVERSITY INDUSTRY-ACADEMIC COOPERATION FOUNDATION
    Inventors: Sung Min Kim, Sang Hoon Hong, Chan Beom Jeong, Jeon Pil Han, Kwon Hee Lee