Patents by Inventor Heon Hwang

Heon 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).

  • Method and system for automatically grading beef quality
    Patent number: 8351655
    Abstract: A method of automatically grading beef quality by analyzing a digital image is provided. The method includes: an image acquiring step of acquiring a color image of beef using a CCD camera; a region separating step of separating a lean region from the acquired image; a boundary extracting step of extracting a boundary line of the lean region; a boundary smoothing step of smoothing the boundary line extracted in the boundary extracting step; a boundary correcting step of correcting an indented portion and a protruded portion included in the boundary line having been subjected to the boundary smoothing step; a grading region determining step of determining a grading region on the basis of the boundary line corrected in the boundary correcting step; and a grading step of grading the beef quality on the basis of the image of the grading region.
    Type: Grant
    Filed: January 25, 2010
    Date of Patent: January 8, 2013
    Assignee: Sungkyunkwan University Foundation for Corporate Collaboration
    Inventor: Heon Hwang
  • Method and system for automatically grading beef quality
    Publication number: 20110110563
    Abstract: A method of automatically grading beef quality by analyzing a digital image is provided. The method includes: an image acquiring step of acquiring a color image of beef using a CCD camera; a region separating step of separating a lean region from the acquired image; a boundary extracting step of extracting a boundary line of the lean region; a boundary smoothing step of smoothing the boundary line extracted in the boundary extracting step; a boundary correcting step of correcting an indented portion and a protruded portion included in the boundary line having been subjected to the boundary smoothing step; a grading region determining step of determining a grading region on the basis of the boundary line corrected in the boundary correcting step; and a grading step of grading the beef quality on the basis of the image of the grading region.
    Type: Application
    Filed: January 25, 2010
    Publication date: May 12, 2011
    Inventor: Heon Hwang