Patents by Inventor So Woon Bae

So Woon Bae 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 automatically recognizing a QR code
    Patent number: 8908975
    Abstract: An apparatus and method for automatically recognizing a QR code without a need to control the distance for recognition in relation to one QR code or two or more QR codes. The apparatus includes a photographing unit obtaining a surrounding image the QR code including recognition points and surroundings, a QR code recognition unit converting the surrounding image into a grayscale image of a pixel unit, converting the grayscale image into a histogram indicative of a distribution map according to the luminosity of each pixel, extracting only pixels having a luminosity value concentration level corresponding to a threshold or higher based on the histogram, setting the extracted pixels as a candidate pixel group, searching the set candidate pixel group for recognition points through a recognition marker, when the recognition points are conceived, recognizing a region in which the conceived recognition points are placed as a QR code.
    Type: Grant
    Filed: October 9, 2012
    Date of Patent: December 9, 2014
    Inventors: So Woon Bae, Byoung Sun Kim, Sung Ho Yang
  • APPARATUS AND METHOD FOR AUTOMATICALLY RECOGNIZING A QR CODE
    Publication number: 20140314320
    Abstract: An apparatus and method for automatically recognizing a QR code without a need to control the distance for recognition in relation to one QR code or two or more QR codes. The apparatus includes a photographing unit obtaining a surrounding image the QR code including recognition points and surroundings, a QR code recognition unit converting the surrounding image into a grayscale image of a pixel unit, converting the grayscale image into a histogram indicative of a distribution map according to the luminosity of each pixel, extracting only pixels having a luminosity value concentration level corresponding to a threshold or higher based on the histogram, setting the extracted pixels as a candidate pixel group, searching the set candidate pixel group for recognition points through a recognition marker, when the recognition points are conceived, recognizing a region in which the conceived recognition points are placed as a QR code.
    Type: Application
    Filed: October 9, 2012
    Publication date: October 23, 2014
    Applicant: YEWON COMMUNICATION CO., LTD.
    Inventors: So Woon Bae, Byoung Sun Kim, Sung Ho Yang