Patents by Inventor Byung-Gook LEE

Byung-Gook LEE 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).

  • Patent number: 11580391
    Abstract: Disclosed herein is attack-less adversarial training for robust adversarial defense. The attack-less adversarial training for robust adversarial defense includes the steps of: (a) generating individual intervals (ci) by setting the range of color (C) and then discretizing the range of color (C) by a predetermined number (k); (b) generating one batch from an original image (X) and training a learning model with the batch; (c) predicting individual interval indices (?ialat) from respective pixels (xi) of the original image (X) by using an activation function; (d) generating a new image (Xalat) through mapping and randomization; and (e) training a convolutional neural network with the image (Xalat) generated in step (d) and outputting a predicted label (?).
    Type: Grant
    Filed: February 6, 2020
    Date of Patent: February 14, 2023
    Assignee: Dongseo University Headquarters
    Inventors: Jiacang Ho, Byung Gook Lee, Dae-Ki Kang
  • Publication number: 20210192339
    Abstract: Disclosed herein is attack-less adversarial training for robust adversarial defense. The attack-less adversarial training for robust adversarial defense includes the steps of: (a) generating individual intervals (ci) by setting the range of color (C) and then discretizing the range of color (C) by a predetermined number (k); (b) generating one batch from an original image (X) and training a learning model with the batch; (c) predicting individual interval indices (?ialat) from respective pixels (xi) of the original image (X) by using an activation function; (d) generating a new image (Xalat) through mapping and randomization; and (e) training a convolutional neural network with the image (Xalat) generated in step (d) and outputting a predicted label (?).
    Type: Application
    Filed: February 6, 2020
    Publication date: June 24, 2021
    Inventors: Jiacang HO, Byung Gook LEE, Dae-Ki KANG
  • Patent number: 9846309
    Abstract: Disclosed is a depth-priority integral imaging display method using a nonuniform dynamic mask array which makes it possible to enhance the resolutions in both horizontal and vertical directions in such a way to change a division boundary of a mask pattern and use a two-times time multiplexing. It is possible to enjoy the images of clear resolutions even in the product of 60 Hz, and the afterimages at the division boundary may be eliminated by changing the dividing direction of the mask, so the images with clearer resolutions can be displayed.
    Type: Grant
    Filed: April 28, 2015
    Date of Patent: December 19, 2017
    Assignee: DONGSEO UNIVERSITY TECHNOLOGY HEADQUARTERS
    Inventors: Yong Soek Oh, Dong Hak Shin, Byung Gook Lee
  • Publication number: 20160306182
    Abstract: Disclosed is a depth-priority integral imaging display method using a nonuniform dynamic mask array which makes it possible to enhance the resolutions in both horizontal and vertical directions in such a way to change a division boundary of a mask pattern and use a two-times time multiplexing. It is possible to enjoy the images of clear resolutions even in the product of 60 Hz, and the afterimages at the division boundary may be eliminated by changing the dividing direction of the mask, so the images with clearer resolutions can be displayed.
    Type: Application
    Filed: April 28, 2015
    Publication date: October 20, 2016
    Inventors: Yong Soek OH, Dong Hak SHIN, Byung Gook LEE
  • Patent number: 9414050
    Abstract: A method for displaying three-dimensional integral images using a mask and a time division multiplexing which is configured in such a way that a three-dimensional image is displaced in a space as an element image obtained from a three-dimensional object is passed through a lenslet and a mask, the mask consisting of a blocking region through which an element image does not pass and a transmission region through which an element image passes, for thereby displaying three-dimensional images. The present invention is advantageous to play back a three-dimensional image the resolutions of which are enhanced in a depth-based integral imaging method using a time division display of an element image and a masked image.
    Type: Grant
    Filed: April 25, 2013
    Date of Patent: August 9, 2016
    Assignee: Dongseo University Technology Headquarter
    Inventors: Dong-Hak Shin, Yong-Seok Oh, Byung-Gook Lee
  • Publication number: 20140192171
    Abstract: A method for displaying three-dimensional integral images using a mask and a time division multiplexing which is configured in such a way that a three-dimensional image is displaced in a space as an element image obtained from a three-dimensional object is passed through a lenslet and a mask, the mask consisting of a blocking region through which an element image does not pass and a transmission region through which an element image passes, for thereby displaying three-dimensional images. The present invention is advantageous to play back a three-dimensional image the resolutions of which are enhanced in a depth-based integral imaging method using a time division display of an element image and a masked image.
    Type: Application
    Filed: April 25, 2013
    Publication date: July 10, 2014
    Applicant: DONGSEO University Technology Headquarters
    Inventors: Dong-Hak SHIN, Yong-Seok OH, Byung-Gook LEE