K
Kim Do Guk
Publications - 2
Citations - 1
Kim Do Guk is an academic researcher. The author has contributed to research in topics: Cyan & Binary image. The author has an hindex of 1, co-authored 2 publications receiving 1 citations.
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Patent
Method for processing secure image through visual cryptography based on temporal domain and apparatus therefor
TL;DR: In this paper, a security image processing method using visual cryptography based on a time domain and an apparatus thereof is presented, which can enhance the security on a screen shot by continuously providing cryptographed images included in the security image on the time domain.
Patent
Color laser printer identification method using photographed halftone images and apparatus therefor
Lee Heung Kyu,Kim Do Guk +1 more
TL;DR: In this article, a method and apparatus for identifying a color laser printer using halftone structure images are disclosed, which comprises the steps of: receiving a captured image of a printout printed by a colour laser printer, and converting the captured image into a cyan, magenta, and yellow (CMY) image, obtaining a haloftone binary image for each color channel of the CMY image, performing the discrete Fourier transform (DFT) of the Halftone Binary Image (HBI) to extract HBI features for each colour channel; and detecting information