Patents by Inventor Jae Yoon Oh

Jae Yoon Oh 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: 11949881
    Abstract: The present invention discloses an encoding apparatus using a Discrete Cosine Transform (DCT) scanning, which includes a mode selection means for selecting an optimal mode for intra prediction; an intra prediction means for performing intra prediction onto video inputted based on the mode selected in the mode selection means; a DCT and quantization means for performing DCT and quantization onto residual coefficients of a block outputted from the intra prediction means; and an entropy encoding means for performing entropy encoding onto DCT coefficients acquired from the DCT and quantization by using a scanning mode decided based on pixel similarity of the residual coefficients.
    Type: Grant
    Filed: April 1, 2021
    Date of Patent: April 2, 2024
    Assignees: Electronics and Telecommunications Research Institute, Kwangwoon University Research Institute for Industry Cooperation, Industry-Academia Cooperation Group of Sejong University
    Inventors: Se-Yoon Jeong, Hae-Chul Choi, Jeong-Il Seo, Seung-Kwon Beack, In-Seon Jang, Jae-Gon Kim, Kyung-Ae Moon, Dae-Young Jang, Jin-Woo Hong, Jin-Woong Kim, Yung-Lyul Lee, Dong-Gyu Sim, Seoung-Jun Oh, Chang-Beom Ahn, Dae-Yeon Kim, Dong-Kyun Kim
  • Patent number: 11944661
    Abstract: The present invention provides a pharmaceutical composition for prevention or treatment of a stress disease and depression, the pharmaceutical composition be safely useable without toxicity and side effects by using an extract of leaves of Vaccinium bracteatum Thunb., which is natural resource of Korea, so that the reduction of manufacturing and production costs and the import substitution and export effects can be expected through the replacement of a raw material for preparation with a plant inhabiting in nature.
    Type: Grant
    Filed: February 7, 2018
    Date of Patent: April 2, 2024
    Assignee: JEONNAM BIOINDUSTRY FOUNDATION
    Inventors: Chul Yung Choi, Dool Ri Oh, Yu Jin Kim, Eun Jin Choi, Hyun Mi Lee, Dong Hyuck Bae, Kyo Nyeo Oh, Myung-A Jung, Ji Ae Hong, Kwang Su Kim, Hu Won Kang, Jae Yong Kim, Sang O Pan, Sung Yoon Park, Rack Seon Seong
  • Patent number: 11190712
    Abstract: Disclosed herein is an illumination state monitoring apparatus, the illumination state monitoring apparatus, including a dual band pass filter having a first pass band in the visible wavelength area and having a second pass band in the infrared wavelength area, an optical sensor detecting light having passed through the dual band pass filter through a three primary color pixel and an infrared pixel, and a processor deducting an intensity value of a signal detected by the infrared pixel from an intensity value of a signal detected by the three primary color pixel, calculating an illuminance parameter, and determining an illumination state on the basis of the illuminance parameter, wherein sensitivity of the three primary color pixel toward light having passed through the second pass band and sensitivity of the infrared pixel toward light having passed through the second pass band are within a predetermined range.
    Type: Grant
    Filed: January 10, 2020
    Date of Patent: November 30, 2021
    Assignee: LG ELECTRONICS INC.
    Inventor: Jae Yoon Oh
  • Publication number: 20210127076
    Abstract: Disclosed herein is an illumination state monitoring apparatus, the illumination state monitoring apparatus, including a dual band pass filter having a first pass band in the visible wavelength area and having a second pass band in the infrared wavelength area, an optical sensor detecting light having passed through the dual band pass filter through a three primary color pixel and an infrared pixel, and a processor deducting an intensity value of a signal detected by the infrared pixel from an intensity value of a signal detected by the three primary color pixel, calculating an illuminance parameter, and determining an illumination state on the basis of the illuminance parameter, wherein sensitivity of the three primary color pixel toward light having passed through the second pass band and sensitivity of the infrared pixel toward light having passed through the second pass band are within a predetermined range.
    Type: Application
    Filed: January 10, 2020
    Publication date: April 29, 2021
    Applicant: LG ELECTRONICS INC.
    Inventor: Jae Yoon OH
  • Patent number: 9641754
    Abstract: A monitoring camera for generating a 3-dimensional (3D) image and a method of generating a 3D image using the same are provided. The monitoring camera includes: an imaging unit that is configured to laterally rotate and photograph an object to generate at least two images; and a controller that captures overlapping portions of images generated by the imaging unit, and generates a 3-dimensional (3D) image based on the overlapping portions.
    Type: Grant
    Filed: March 23, 2012
    Date of Patent: May 2, 2017
    Assignee: Hanwha Techwin Co., Ltd.
    Inventor: Jae-yoon Oh
  • Patent number: 9436894
    Abstract: Provided are an image alignment apparatus and an image alignment method using the same. The image alignment apparatus includes a first conversion function estimation unit for estimating a first conversion function based on feature point information that is extracted from a first image, which is captured by using a first image sensor, and a second image, which is captured by using a second image; and a second conversion function estimation unit for estimating a second conversion function based on motion information that is extracted from the first image and the second image.
    Type: Grant
    Filed: February 11, 2014
    Date of Patent: September 6, 2016
    Assignee: Hanwha Techwin Co., Ltd.
    Inventors: Joon Sung Lee, Jae Yoon Oh, Gon Soo Kim
  • Patent number: 9420185
    Abstract: A system for compensating for image blur, the system including: a movement detector which an appearance of a subject moving in a surveillance range in order to calculate a movement distance and speed determines movement characteristics of a subject on a display of a camera which obtains an image of the object; a calculator which determines moving characteristics of an image sensor based on the movement characteristics of the subject; and a moving unit which moves the image sensor for an exposure time of at least one predetermined frame based on the moving characteristics of the image sensor.
    Type: Grant
    Filed: February 28, 2013
    Date of Patent: August 16, 2016
    Assignee: Hanwha Techwin Co., Ltd.
    Inventor: Jae-yoon Oh
  • Patent number: 9369612
    Abstract: An image fusion system and method are provided. The system includes a plurality of cameras configured to generate a plurality of images, respectively, and an image fusion unit configured to fuse the plurality of images into a single image.
    Type: Grant
    Filed: July 3, 2014
    Date of Patent: June 14, 2016
    Assignee: Hanwha Techwin Co., Ltd.
    Inventors: Jae Yoon Oh, Joon Sung Lee, Young Seo Park
  • Patent number: 9210342
    Abstract: Provided is a noise-removing system including: an iris controller configured to control a degree of openness of a lens iris; a noise image analyzer configured to perform an analysis of a noise image that is obtained in a state when the iris controller closes the iris; a normal image analyzer configured to analyze a normal image that is obtained in a state when the iris controller opens the iris; and a noise remover configured to remove noise from an image, based on a result of the analysis performed by the noise image analyzer and the analysis performed by the normal image analyzer.
    Type: Grant
    Filed: May 21, 2014
    Date of Patent: December 8, 2015
    Assignee: Hanwha Techwin Co., Ltd.
    Inventor: Jae Yoon Oh
  • Publication number: 20150172571
    Abstract: Provided is a noise-removing system including: an iris controller configured to control a degree of openness of a lens iris; a noise image analyzer configured to perform an analysis of a noise image that is obtained in a state when the iris controller closes the iris; a normal image analyzer configured to analyze a normal image that is obtained in a state when the iris controller opens the iris; and a noise remover configured to remove noise from an image, based on a result of the analysis performed by the noise image analyzer and the analysis performed by the normal image analyzer.
    Type: Application
    Filed: May 21, 2014
    Publication date: June 18, 2015
    Applicant: Samsung Techwin Co., Ltd.
    Inventor: Jae Yoon OH
  • Publication number: 20150055886
    Abstract: An image fusion system and method are provided. The system includes a plurality of cameras configured to generate a plurality of images, respectively, and an image fusion unit configured to fuse the plurality of images into a single image.
    Type: Application
    Filed: July 3, 2014
    Publication date: February 26, 2015
    Applicant: SAMSUNG TECHWIN CO., LTD.
    Inventors: Jae Yoon OH, Joon Sung LEE, Young Seo PARK
  • Publication number: 20150055873
    Abstract: Provided are an image alignment apparatus and an image alignment method using the same. The image alignment apparatus includes a first conversion function estimation unit for estimating a first conversion function based on feature point information that is extracted from a first image, which is captured by using a first image sensor, and a second image, which is captured by using a second image; and a second conversion function estimation unit for estimating a second conversion function based on motion information that is extracted from the first image and the second image.
    Type: Application
    Filed: February 11, 2014
    Publication date: February 26, 2015
    Applicant: Samsung Techwin Co., Ltd.
    Inventors: Joon Sung LEE, Jae Yoon OH, Gon Soo KIM
  • Patent number: 8947781
    Abstract: A monitoring system for generating a three-dimensional (3D) image, the system including: a plurality of monitoring cameras which are arranged to capture respective images of an area such that a portion of an angle of view of one monitoring camera overlaps a portion of an angle of view of another monitoring camera; and a controller which crops a plurality of overlapped images, each of which is an image of the overlapped portion, from among the respective images captured by the plurality of monitoring cameras, and generates a 3D image by adding the overlapped images.
    Type: Grant
    Filed: April 27, 2012
    Date of Patent: February 3, 2015
    Assignee: Samsung Techwin Co., Ltd.
    Inventor: Jae-Yoon Oh
  • Publication number: 20130278754
    Abstract: A system for compensating for image blur, the system including: a movement detector which an appearance of a subject moving in a surveillance range in order to calculate a movement distance and speed determines movement characteristics of a subject on a display of a camera which obtains an image of the object; a calculator which determines moving characteristics of an image sensor based on the movement characteristics of the subject; and a moving unit which moves the image sensor for an exposure time of at least one predetermined frame based on the moving characteristics of the image sensor.
    Type: Application
    Filed: February 28, 2013
    Publication date: October 24, 2013
    Applicant: SAMSUNG TECHWIN CO., LTD.
    Inventor: Jae-yoon OH
  • Publication number: 20120275022
    Abstract: A monitoring system for generating a three-dimensional (3D) image, the system including: a plurality of monitoring cameras which are arranged to capture respective images of an area such that a portion of an angle of view of one monitoring camera overlaps a portion of an angle of view of another monitoring camera; and a controller which crops a plurality of overlapped images, each of which is an image of the overlapped portion, from among the respective images captured by the plurality of monitoring cameras, and generates a 3D image by adding the overlapped images.
    Type: Application
    Filed: April 27, 2012
    Publication date: November 1, 2012
    Applicant: SAMSUNG TECHWIN CO., LTD.
    Inventor: Jae-Yoon OH
  • Publication number: 20120242787
    Abstract: A monitoring camera for generating a 3-dimensional (3D) image and a method of generating a 3D image using the same are provided. The monitoring camera includes: an imaging unit that is configured to laterally rotate and photograph an object to generate at least two images; and a controller that captures overlapping portions of images generated by the imaging unit, and generates a 3-dimensional (3D) image based on the overlapping portions.
    Type: Application
    Filed: March 23, 2012
    Publication date: September 27, 2012
    Applicant: SAMSUNG TECHWIN CO., LTD.
    Inventor: Jae-yoon OH
  • Patent number: 7956505
    Abstract: A rotor of an electric motor includes lamination core formed by laminating a plurality of individual cores, and at least one pair of magnet members that generate rotating torque by electromagnetic interaction with a stator, are provided at the lamination core such that a magnetic sensor can sense magnetic flux, and have magnetic poles opposite to each other, such that a position of the rotor of the electric motor can be accurately detected and a process of manufacturing the electric motor can be simplified.
    Type: Grant
    Filed: April 23, 2007
    Date of Patent: June 7, 2011
    Assignee: LG Electronics Inc.
    Inventors: Hyun-Hun Shin, Jun-Ho Ahn, Jae-Yoon Oh, Dal-Ho Cheong
  • Patent number: 7936141
    Abstract: A motor driver system includes an excess current sensing device configured to compensate a sensing value depending on a temperature of a motor, and to output the compensated sensing value, the sensing value being obtained from a current value associated with the motor; and a controller configured to stop the motor when the compensated sensing value exceeds a preset excess value.
    Type: Grant
    Filed: November 27, 2007
    Date of Patent: May 3, 2011
    Assignee: LG Electronics Inc.
    Inventors: Kyung Hoon Lee, June Hee Won, Gil Su Lee, Jun Ho Ahn, Jae Yoon Oh
  • Patent number: 7876018
    Abstract: A synchronous reluctance motor comprises a stator and a rotor, the rotor comprising: a rotation shaft; a first core having a shaft hole for inserting the rotation shaft at a center thereof, and having a plurality of first flux barrier groups arranged along a circumferential direction of the shaft hole and spacing from each other; and a second core having a receiving hole larger than the shaft hole at a center thereof, and stacked at one side of the first core in an axial line direction. A length of the rotor protruding from a supporting portion can be decreased without reducing a stacked thickness thereof, and a vibration occurrence in a horizontal direction with respect to the rotation shaft can be reduced, thereby enhancing a reliability of the synchronous reluctance motor.
    Type: Grant
    Filed: November 1, 2006
    Date of Patent: January 25, 2011
    Assignee: LG Electronics Inc.
    Inventors: Jae-Yoon Oh, Kyung-Hoon Lee, June-Hee Won, Gil-Su Lee, Hyun-Hun Shin, Dal-Ho Cheong, Jun-Ho Ahn
  • Patent number: 7852040
    Abstract: A motor driver system and its control methods are discussed. Even when a command magnetic flux decreases as a motor operates in a field weakening region, a current angle can be maintained always below a limit value, thereby obtaining the stability of the motor control.
    Type: Grant
    Filed: November 16, 2007
    Date of Patent: December 14, 2010
    Assignee: LG Electronics Inc.
    Inventors: Kyung Hoon Lee, June Hee Won, Gil Su Lee, Jun Ho Ahn, Jae Yoon Oh