Patents by Inventor Kwang-Hyun Won

Kwang-Hyun Won 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).

  • Publication number: 20240098251
    Abstract: An image decoding method and an image decoding apparatus is provided. The method comprises recovering a first motion vector corresponding to a first decoding reference picture based on the entropy decoded bit stream, calculating a second motion vector corresponding to a second decoding reference picture by scaling the first motion vector based on a first temporal distance between the current picture and the first decoding reference picture and a second temporal distance between the current picture and the second decoding reference picture, generating a prediction block relating to a current block in the current picture, based on the calculated second motion vector, generating a residual block relating to the current block through a residual data decoding process based on the entropy decoded bit stream, and recovering the current block based on the prediction block and the residual block.
    Type: Application
    Filed: November 21, 2023
    Publication date: March 21, 2024
    Applicant: SUNGKYUNKWAN UNIVERSITY FOUNDATION FOR CORPORATE COLLABORATION
    Inventors: Byeung Woo JEON, Bong Soo JUNG, Kwang Hyun WON
  • Patent number: 11863740
    Abstract: An image decoding method and an image decoding apparatus is provided. The method comprises recovering a first motion vector corresponding to a first decoding reference picture based on the entropy decoded bit stream, calculating a second motion vector corresponding to a second decoding reference picture by scaling the first motion vector based on a first temporal distance between the current picture and the first decoding reference picture and a second temporal distance between the current picture and the second decoding reference picture, generating a prediction block relating to a current block in the current picture, based on the calculated second motion vector, generating a residual block relating to the current block through a residual data decoding process based on the entropy decoded bit stream, and recovering the current block based on the prediction block and the residual block.
    Type: Grant
    Filed: June 27, 2022
    Date of Patent: January 2, 2024
    Assignee: SUNGKYUNKWAN UNIVERSITY FOUNDATION FOR CORPORATE COLLABORATION
    Inventors: Byeung Woo Jeon, Bong Soo Jung, Kwang Hyun Won
  • Publication number: 20230379502
    Abstract: Disclosed are a method and an apparatus for image encoding/decoding. The method for image decoding includes comparing whether a size of a current transform block and a size of a smallest transform block (smallest transform unit (STU)) are the same as each other, and decoding information indicating whether transformation is performed on the current transform block and determining whether to perform inverse transformation on the current transform block based on the decoded information indicating whether the transformation is performed when the size of the current transform block and the size of a smallest transform block are the same as each other.
    Type: Application
    Filed: August 4, 2023
    Publication date: November 23, 2023
    Applicant: RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITY
    Inventors: Byeung Woo JEON, Kwang Hyun WON
  • Patent number: 11765388
    Abstract: Disclosed are a method and an apparatus for image encoding/decoding. The method for image decoding includes comparing whether a size of a current transform block and a size of a smallest transform block (smallest transform unit (STU)) are the same as each other, and decoding information indicating whether transformation is performed on the current transform block and determining whether to perform inverse transformation on the current transform block based on the decoded information indicating whether the transformation is performed when the size of the current transform block and the size of a smallest transform block are the same as each other.
    Type: Grant
    Filed: May 24, 2022
    Date of Patent: September 19, 2023
    Assignee: RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITY
    Inventors: Byeung Woo Jeon, Kwang Hyun Won
  • Patent number: 11566438
    Abstract: A mobility hub is composed of a plurality of layers and serves as a terminal of a ground mobility and an air mobility. The mobility hub includes: a ground layer provided with an entrance of the ground mobility; a port layer provided with a taking-off and landing site of the air mobility; and a middle layer provided between the ground layer and the port layer. The middle layer has the ground mobility elevating in a space with the ground layer, is provided with a plurality of connection slots to which the ground mobility is connected, and provides an activity space through the ground mobility if the ground mobility is coupled to the connection slot.
    Type: Grant
    Filed: February 25, 2021
    Date of Patent: January 31, 2023
    Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: Sueng Ho Lee, Sun Sung Kwon, Byung Hoon Yang, Jeong Mo Jang, Kwang Hyun Won, So Ra Roh, Jae Wan Choi, Min Su Kim, Yoh Han Kim, Ji Hwan Byun
  • Publication number: 20220337816
    Abstract: An image decoding method and an image decoding apparatus is provided. The method comprises recovering a first motion vector corresponding to a first decoding reference picture based on the entropy decoded bit stream, calculating a second motion vector corresponding to a second decoding reference picture by scaling the first motion vector based on a first temporal distance between the current picture and the first decoding reference picture and a second temporal distance between the current picture and the second decoding reference picture, generating a prediction block relating to a current block in the current picture, based on the calculated second motion vector, generating a residual block relating to the current block through a residual data decoding process based on the entropy decoded bit stream, and recovering the current block based on the prediction block and the residual block.
    Type: Application
    Filed: June 27, 2022
    Publication date: October 20, 2022
    Applicant: SUNGKYUNKWAN UNIVERSITY FOUNDATION FOR CORPORATE COLLABORATION
    Inventors: Byeung Woo JEON, Bong Soo JUNG, Kwang Hyun WON
  • Publication number: 20220286707
    Abstract: Disclosed are a method and an apparatus for image encoding/decoding. The method for image decoding includes comparing whether a size of a current transform block and a size of a smallest transform block (smallest transform unit (STU)) are the same as each other, and decoding information indicating whether transformation is performed on the current transform block and determining whether to perform inverse transformation on the current transform block based on the decoded information indicating whether the transformation is performed when the size of the current transform block and the size of a smallest transform block are the same as each other.
    Type: Application
    Filed: May 24, 2022
    Publication date: September 8, 2022
    Applicant: RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITY
    Inventors: Byeung Woo JEON, Kwang Hyun WON
  • Patent number: 11438575
    Abstract: An image decoding method and an image decoding apparatus is provided. The method comprises recovering a first motion vector corresponding to a first decoding reference picture based on the entropy decoded bit stream, calculating a second motion vector corresponding to a second decoding reference picture by scaling the first motion vector based on a first temporal distance between the current picture and the first decoding reference picture and a second temporal distance between the current picture and the second decoding reference picture, generating a prediction block relating to a current block in the current picture, based on the calculated second motion vector, generating a residual block relating to the current block through a residual data decoding process based on the entropy decoded bit stream, and recovering the current block based on the prediction block and the residual block.
    Type: Grant
    Filed: November 28, 2018
    Date of Patent: September 6, 2022
    Assignee: SUNGKYUNKWAN UNIVERSITY FOUNDATION FOR CORPORATE COLLABORATION
    Inventors: Byeung Woo Jeon, Bong Soo Jung, Kwang Hyun Won
  • Patent number: 11375237
    Abstract: Disclosed are a method and an apparatus for image encoding/decoding. The method for image decoding includes comparing whether a size of a current transform block and a size of a smallest transform block (smallest transform unit (STU)) are the same as each other, and decoding information indicating whether transformation is performed on the current transform block and determining whether to perform inverse transformation on the current transform block based on the decoded information indicating whether the transformation is performed when the size of the current transform block and the size of a smallest transform block are the same as each other.
    Type: Grant
    Filed: April 28, 2020
    Date of Patent: June 28, 2022
    Assignee: Research & Business Foundation Sungkyunkwan University
    Inventors: Byeung Woo Jeon, Kwang Hyun Won
  • Patent number: 11363989
    Abstract: Provided are an electronic device, a signal processing method thereof, a biological signal measurement system, and a non-transitory computer readable recording medium. The electronic device, according to one embodiment of the present disclosure, comprises: a sensor for measuring a biological signal of a user; and a processor for determining the periodicity of the measured biological signal, and selectively compressing the measured biological signal according to the determined periodicity.
    Type: Grant
    Filed: October 6, 2016
    Date of Patent: June 21, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hyung-soon Kim, Kwang-hyun Won, Min-hyoung Lee, Do-yoon Kim, Chan-yul Kim, Jea-hyuck Lee, Jae-geol Cho
  • Patent number: 11331997
    Abstract: A hybrid power transmission apparatus for a vehicle which changes and outputs torque of an engine and a first motor, includes an input shaft selectively input engine torque through an engine clutch, an output externally engages with a differential final reduction gear through an output gear to output shifted torque, a fixed shifting section including a plurality of external gear sets implementing an engine mode having multiple fixed shifting stages, and a mode shifting section including a planetary gear set having a first rotation element fixedly connected to the input shaft and a third rotation element that is externally gear-engaged with a first motor gear of the first motor via a first gear, and one external gear set configured for power connection between a second rotation element of the planetary gear set and the output shaft.
    Type: Grant
    Filed: July 13, 2021
    Date of Patent: May 17, 2022
    Assignees: Hyundai Motor Company, Kia Corporation
    Inventors: Dongwoo Kim, Seong Wook Hwang, Kijong Park, Chon Ok Kim, Jong Hyo Park, Juhyeon Park, Sangki Kwak, Seong Kyeong Cheon, Kwang Hyun Won, Soonki Eo, Yong Sug Choi, Ilhan Yoo
  • Publication number: 20220112736
    Abstract: A mobility hub is composed of a plurality of layers and serves as a terminal of a ground mobility and an air mobility. The mobility hub includes: a ground layer provided with an entrance of the ground mobility; a port layer provided with a taking-off and landing site of the air mobility; and a middle layer provided between the ground layer and the port layer. The middle layer has the ground mobility elevating in a space with the ground layer, is provided with a plurality of connection slots to which the ground mobility is connected, and provides an activity space through the ground mobility if the ground mobility is coupled to the connection slot.
    Type: Application
    Filed: February 25, 2021
    Publication date: April 14, 2022
    Applicants: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: Sueng Ho Lee, Sun Sung Kwon, Byung Hoon Yang, Jeong Mo Jang, Kwang Hyun Won, So Ra Roh, Jae Wan Choi, Min Su Kim, Yoh Han Kim, Ji Hwan Byun
  • Patent number: 10944995
    Abstract: A decoding apparatus is provided. The decoding apparatus includes a communication unit for receiving multiple encoding data respectively corresponding to multiple areas constituting one image, and reference data including attribute information of each of the multiple areas, and a processor for generating multiple divided images by decoding the multiple encoding data respectively, changing the resolutions of some divided images among the multiple divided images on the basis of the received attribute information, and generating a reconstructed image by merging the some divided images having the changed resolutions and the remaining divided images.
    Type: Grant
    Filed: April 17, 2017
    Date of Patent: March 9, 2021
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Kwang-hyun Won, Jae-sung Lee, Won-hee Choe, Soon-gi Hong
  • Patent number: 10939135
    Abstract: Disclosed herein are a method and apparatus for filtering a reference pixel. A method of smoothing a reference pixel may include determining whether or not to perform smoothing on a reference pixel based on the size of a transform block and information about an intra-prediction mode for the transform block and determining a smoothing method by comparing the size of the transform block with the size of a maximum transform block. Accordingly, image coding efficiency can be increased, and picture quality can be improved.
    Type: Grant
    Filed: September 18, 2020
    Date of Patent: March 2, 2021
    Assignee: Research & Business Foundation Sungkyunkwan University
    Inventors: Byeung Woo Jeon, Ho Young Lee, Kwang Hyun Won
  • Patent number: 10931970
    Abstract: Disclosed herein are a method and apparatus for filtering a reference pixel. A method of smoothing a reference pixel may include determining whether or not to perform smoothing on a reference pixel based on the size of a transform block and information about an intra-prediction mode for the transform block and determining a smoothing method by comparing the size of the transform block with the size of a maximum transform block. Accordingly, image coding efficiency can be increased, and picture quality can be improved.
    Type: Grant
    Filed: August 5, 2019
    Date of Patent: February 23, 2021
    Assignee: Research & Business Foundation Sungkyunkwan University
    Inventors: Byeung Woo Jeon, Ho Young Lee, Kwang Hyun Won
  • Patent number: 10924763
    Abstract: Disclosed herein are a method and apparatus for filtering a reference pixel. A method of smoothing a reference pixel may include determining whether or not to perform smoothing on a reference pixel based on the size of a transform block and information about an intra-prediction mode for the transform block and determining a smoothing method by comparing the size of the transform block with the size of a maximum transform block. Accordingly, image coding efficiency can be increased, and picture quality can be improved.
    Type: Grant
    Filed: September 18, 2020
    Date of Patent: February 16, 2021
    Assignee: Research & Business Foundation Sungkyunkwan University
    Inventors: Byeung Woo Jeon, Ho Young Lee, Kwang Hyun Won
  • Patent number: 10917661
    Abstract: Disclosed herein are a method and apparatus for filtering a reference pixel. A method of smoothing a reference pixel may include determining whether or not to perform smoothing on a reference pixel based on the size of a transform block and information about an intra-prediction mode for the transform block and determining a smoothing method by comparing the size of the transform block with the size of a maximum transform block. Accordingly, image coding efficiency can be increased, and picture quality can be improved.
    Type: Grant
    Filed: September 18, 2020
    Date of Patent: February 9, 2021
    Assignee: Research & Business Foundation Sungkyunkwan University
    Inventors: Byeung Woo Jeon, Ho Young Lee, Kwang Hyun Won
  • Publication number: 20210006827
    Abstract: Disclosed herein are a method and apparatus for filtering a reference pixel. A method of smoothing a reference pixel may include determining whether or not to perform smoothing on a reference pixel based on the size of a transform block and information about an intra-prediction mode for the transform block and determining a smoothing method by comparing the size of the transform block with the size of a maximum transform block. Accordingly, image coding efficiency can be increased, and picture quality can be improved.
    Type: Application
    Filed: September 18, 2020
    Publication date: January 7, 2021
    Applicant: RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITY
    Inventors: Byeung Woo JEON, Ho Young LEE, Kwang Hyun WON
  • Publication number: 20210006828
    Abstract: Disclosed herein are a method and apparatus for filtering a reference pixel. A method of smoothing a reference pixel may include determining whether or not to perform smoothing on a reference pixel based on the size of a transform block and information about an intra-prediction mode for the transform block and determining a smoothing method by comparing the size of the transform block with the size of a maximum transform block. Accordingly, image coding efficiency can be increased, and picture quality can be improved.
    Type: Application
    Filed: September 18, 2020
    Publication date: January 7, 2021
    Applicant: RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITY
    Inventors: Byeung Woo JEON, Ho Young LEE, Kwang Hyun WON
  • Publication number: 20210006826
    Abstract: Disclosed herein are a method and apparatus for filtering a reference pixel. A method of smoothing a reference pixel may include determining whether or not to perform smoothing on a reference pixel based on the size of a transform block and information about an intra-prediction mode for the transform block and determining a smoothing method by comparing the size of the transform block with the size of a maximum transform block. Accordingly, image coding efficiency can be increased, and picture quality can be improved.
    Type: Application
    Filed: September 18, 2020
    Publication date: January 7, 2021
    Applicant: RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITY
    Inventors: Byeung Woo JEON, Ho Young LEE, Kwang Hyun WON