Patents by Inventor Bon-hwa KU

Bon-hwa KU 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: 11947061
    Abstract: An earthquake event classification method using an attention-based neural network includes: preprocessing input earthquake data by centering; extracting a feature map by nonlinearly converting the preprocessed earthquake data through a plurality of convolution layers having three or more layers; measuring importance of a learned feature of the nonlinear-converted earthquake data based on an attention technique in which interdependence of channels of the feature map is modeled; correcting a feature value of the measured importance value through element-wise multiply with the learned feature map; performing down-sampling through max-pooling based on the feature value; and classifying an earthquake event by regularizing the down-sampled feature value. Accordingly, main core features inherent in many/complex data are extracted through attention-based deep learning to overcome the limitations of the existing micro earthquake detection technology, thereby enabling earthquake detection even in low SNR environments.
    Type: Grant
    Filed: August 13, 2020
    Date of Patent: April 2, 2024
    Assignee: Korea University Research and Business Foundation
    Inventors: Hanseok Ko, Bon Hwa Ku
  • Publication number: 20210117737
    Abstract: An earthquake event classification method using an attention-based neural network includes: preprocessing input earthquake data by centering; extracting a feature map by nonlinearly converting the preprocessed earthquake data through a plurality of convolution layers having three or more layers; measuring importance of a learned feature of the nonlinear-converted earthquake data based on an attention technique in which interdependence of channels of the feature map is modeled; correcting a feature value of the measured importance value through element-wise multiply with the learned feature map; performing down-sampling through max-pooling based on the feature value; and classifying an earthquake event by regularizing the down-sampled feature value. Accordingly, main core features inherent in many/complex data are extracted through attention-based deep learning to overcome the limitations of the existing micro earthquake detection technology, thereby enabling earthquake detection even in low SNR environments.
    Type: Application
    Filed: August 13, 2020
    Publication date: April 22, 2021
    Applicant: Korea University Research and Business Foundation
    Inventors: Hanseok KO, Bon Hwa KU
  • Patent number: 9398235
    Abstract: Provided is a method of merging or fusing a visible image captured by a visible camera and an infrared (IR) image captured by an IR camera. The method includes: providing a first image of a subject captured by a first camera and a second image of the subject captured by a second camera; converting brightness of the second image based on brightness of the first image; and merging the first image and the second image having the converted brightness.
    Type: Grant
    Filed: November 6, 2013
    Date of Patent: July 19, 2016
    Assignees: KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATION, Hanwha Techwin Co., Ltd.
    Inventors: Jeong-min Bae, Han-Seok Ko, Bon-Hwa Ku, Du-Bok Park, Min-Jae Kim, Jae-Yong Ju
  • Patent number: 8908967
    Abstract: An image processing method of separating an input image into a foreground image and a background image, the method including determining a pixel of the input image as a pixel of the foreground image if a foreground probability value of the pixel of the foreground image determined by using the Gaussian mixture model or the pixel determined to be included in a motion region is greater than a setting threshold.
    Type: Grant
    Filed: November 13, 2012
    Date of Patent: December 9, 2014
    Assignees: Samsung Techwin Co., Ltd., Korea University Research and Business Foundation
    Inventors: Seung-in Noh, Han-seok Ko, Tae-yup Song, Young-hyun Lee, Han-jun Kim, Bon-hwa Ku
  • Publication number: 20140168444
    Abstract: Provided is a method of merging or fusing a visible image captured by a visible camera and an infrared (IR) image captured by an IR camera. The method includes: providing a first image of a subject captured by a first camera and a second image of the subject captured by a second camera; converting brightness of the second image based on brightness of the first image; and merging the first image and the second image having the converted brightness.
    Type: Application
    Filed: November 6, 2013
    Publication date: June 19, 2014
    Applicants: KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATION, SAMSUNG TECHWIN CO., LTD.
    Inventors: Jeong-min BAE, Han-Seok KO, Bon-Hwa KU, Du-Bok PARK, Min-Jae KIM, Jae-Yong JU
  • Patent number: 8682109
    Abstract: A method and system of generating a super-resolution image is provided. fusing The method includes inputting an image; and generating an estimated high-resolution image of a current time by fusing an input image and an estimated high-resolution image of a previous time corresponding to the input image.
    Type: Grant
    Filed: July 19, 2011
    Date of Patent: March 25, 2014
    Assignees: Samsung Techwin Co., Ltd., Korea University Research and Business Foundation
    Inventors: Bong-hyup Kang, Han-seok Ko, Tae-yup Song, Bon-hwa Ku, Young-hyun Lee, Min-jae Kim, Dae-sung Chung, Hyun-hak Shin
  • Publication number: 20130243322
    Abstract: An image processing method of separating an input image into a foreground image and a background image, the method including determining a pixel of the input image as a pixel of the foreground image if a foreground probability value of the pixel of the foreground image determined by using the Gaussian mixture model or the pixel determined to be included in a motion region is greater than a setting threshold.
    Type: Application
    Filed: November 13, 2012
    Publication date: September 19, 2013
    Applicants: KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATION, SAMSUNG TECHWIN CO., LTD.
    Inventors: Seung-in NOH, Han-seok KO, Tae-yup SONG, Young-hyun LEE, Han-jun KIM, Bon-hwa KU
  • Publication number: 20120051667
    Abstract: A method and system of generating a super-resolution image is provided. fusing The method includes inputting an image; and generating an estimated high-resolution image of a current time by fusing an input image and an estimated high-resolution image of a previous time corresponding to the input image.
    Type: Application
    Filed: July 19, 2011
    Publication date: March 1, 2012
    Applicants: KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATION, SAMSUNG TECHWIN CO., LTD.
    Inventors: Bong-hyup KANG, Han-seok KO, Tae-yup SONG, Bon-hwa KU, Young-hyun LEE, Min-jae KIM, Dae-sung CHUNG, Hyun-hak SHIN