Patents by Inventor Keun Lee

Keun 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).

  • IMAGE SIGNAL ENCODING/DECODING METHOD AND DEVICE THEREFOR
    Publication number: 20220329827
    Abstract: An image decoding method, according to the present disclosure, comprises the steps of: parsing tile column number information indicating a value wherein 1 is subtracted from the number of tile columns included in the i-th slice; parsing tile row number information indicating a value wherein 1 is subtracted from the number of tile rows included in the i-th slice; and, if the tile column number information and the tile row number information are both 0, further parsing number information related to the number of slices in which height information in a tile including the i-th slice is clearly signaled.
    Type: Application
    Filed: June 23, 2022
    Publication date: October 13, 2022
    Inventors: Bae Keun LEE, Dong San JUN
  • Method and device for deriving a prediction sample in decoding/encoding video signal using binary and quad trees
    Patent number: 11470317
    Abstract: Provided are a method and a device for decoding a video signal to provide stereographic image content with high resolution. For decoding a video signal, an intra prediction mode of a current block is determined, and a prediction sample is obtained by performing intra prediction of the current block based on the intra prediction mode.
    Type: Grant
    Filed: November 12, 2020
    Date of Patent: October 11, 2022
    Assignee: KT CORPORATION
    Inventors: Bae Keun Lee, Joo Young Kim
  • Method for encoding/decoding image signal, and device for same
    Patent number: 11470314
    Abstract: A video signal decoding method according to the present disclosure includes partitioning a current picture into a plurality of tiles, decoding partitioning information representing a slice type, wherein the partitioning information represents whether a rectangular slice is applied, decoding width information and height information for a first slice, decoding tile index difference value information for the first slice and determining an index of a top-left tile of a second slice based on the difference value information.
    Type: Grant
    Filed: November 18, 2020
    Date of Patent: October 11, 2022
    Assignee: XRIS CORPORATION
    Inventor: Bae Keun Lee
  • Method for encoding/decoding image signal, and apparatus therefor
    Patent number: 11470312
    Abstract: A method for decoding an image, according to the present invention, comprises the steps of: determining whether a coding block is divided into a first prediction unit and a second prediction unit; determining a partition type of the coding block when determining that the coding block is divided; deriving first motion information about a first prediction unit and second motion information about a second prediction unit within the coding block; and acquiring a prediction sample within the coding block on the basis of the first motion information and the second motion information.
    Type: Grant
    Filed: April 28, 2021
    Date of Patent: October 11, 2022
    Assignee: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
    Inventor: Bae Keun Lee
  • Direct-fired supercritical carbon dioxide power generation system and method
    Patent number: 11466618
    Abstract: The present invention provides a direct-fired supercritical carbon dioxide power generation system and a power generation method thereof, the system comprising: a combustor for burning hydrocarbon fuel and oxygen; a turbine driven by combustion gas discharged from the combustor; a heat exchanger for cooling combustion gas discharged after driving the turbine, by heat exchange with combustion gas recycled and supplied to the combustor; and an air separation unit for separating air to produce oxygen, wherein a portion of the combustion gas discharged after driving the turbine is branched before being introduced to the heat exchanger and is supplied to the air separation unit.
    Type: Grant
    Filed: September 30, 2019
    Date of Patent: October 11, 2022
    Assignee: KOREA INSTITUTE OF ENERGY RESEARCH
    Inventors: Dae-Keun Lee, Dong-Soon Noh, Chang-Bog Ko, Young-Tae Guahk, Seung-Gon Kim, Min-Jung Lee, Eun-Kyung Lee, Woo-Nam Jung, Nam-Su Kim
  • Image signal encoding/decoding method and device therefor
    Patent number: 11470313
    Abstract: An image decoding method, according to the present invention, may comprise the steps of: splitting a current picture into a plurality of tiles; decoding split information indicating slice type, wherein the split information indicates whether a square-shaped slice is applied; and determining a slice on the basis of tile index difference information if the split information indicates that the square-shaped slice is applied.
    Type: Grant
    Filed: June 19, 2020
    Date of Patent: October 11, 2022
    Assignee: XRIS CORPORATION
    Inventor: Bae Keun Lee
  • DISPLAY DEVICE
    Publication number: 20220320378
    Abstract: A display device includes an emission area and a subarea located at a side of the emission area in a first direction, a first electrode extending in the first direction across the emission area and the subarea, a second electrode spaced from the first electrode in a second direction, the second electrode extending in the first direction, a first insulating layer on the first and second electrodes, the first insulating layer including an opening in the subarea, a plurality of light-emitting elements located on the first and second electrodes in the emission area, and a second insulating layer on the first insulating layer in the subarea, wherein the first electrode includes a first electrode extension located in the subarea at a first contact hole, the opening overlaps with the first contact hole and is located above the first electrode extension, and the second insulating layer overlaps the opening.
    Type: Application
    Filed: November 24, 2021
    Publication date: October 6, 2022
    Inventors: Kwang Taek HONG, Ki Nyeng KANG, Jong Hwan CHA, Hee Keun LEE, Min Cheol CHAE, Su Min CHOI
  • METHOD AND APPARATUS FOR PROCESSING VIDEO SIGNAL
    Publication number: 20220321876
    Abstract: An image decoding method according to the present invention comprises the steps of: deriving at least one merge candidate on the basis of at least one of a spatial neighboring block and a temporal neighboring block of a current block; generating a merge candidate list including the merge candidate; acquiring LX direction motion information of the current block, from a first merge candidate included in the merge candidate list; acquiring L(1-X) direction motion information of the current block, from a second merge candidate different from the first merge candidate; and performing inter-prediction on the basis of the LX direction motion information and the L(1-X) direction motion information.
    Type: Application
    Filed: June 9, 2022
    Publication date: October 6, 2022
    Applicant: KT CORPORATION
    Inventor: Bae Keun LEE
  • MITIGATING WRITE DISTURBANCE ERRORS OF PHASE-CHANGE MEMORY MODULE
    Publication number: 20220319593
    Abstract: Provided is a phase-change memory (PCM) module including a PCM device including a bit line and a word line, a memory controller configured to output a command related to an operation of the PCM device, and an interference mitigation part located between the memory controller and the PCM device and configured to perform a rewrite operation on the basis of a state transition characteristic of the command output from the memory controller.
    Type: Application
    Filed: July 9, 2021
    Publication date: October 6, 2022
    Applicants: SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION, Foundation for Research and Business, Seoul National University of Science and Technology
    Inventors: Hyun KIM, Hyo Keun LEE, Seung Yong LEE, Hyuk Jae LEE
  • Apparatus and method for controlling remote-controlled excavator for preventing overload
    Patent number: 11459728
    Abstract: Disclosed are an apparatus and method for controlling a remote-controlled excavator for preventing overload. The apparatus for controlling a remote-controlled excavator according to an embodiment of the present invention comprises: inertial sensors provided in the excavator; a communication unit for receiving a remote control signal from a remote control apparatus; and a control unit for driving the excavator in response to the remote control signal, wherein the control unit stops driving the excavator when a difference between an expected posture of the excavator estimated on the basis of the remote control signal and an actual posture of the excavator measured by using the inertial sensors exceeds an allowable value.
    Type: Grant
    Filed: November 11, 2019
    Date of Patent: October 4, 2022
    Inventors: Chang Soo Han, Sang Ho Kim, Yong Seok Lee, Dong Ik Sun, Sang Keun Lee
  • Access control system and access control method using the same
    Patent number: 11462063
    Abstract: A sub-reader and a method of controlling the sub-reader are provided. The method of controlling the sub-reader which is connected to a door reader provided in an existing installed door operating device to provide a communication method that is not supported by the door reader includes: obtaining first open request information using a first communication method from a terminal; obtaining second open request information for transmission to the door reader based on the first open request information; and transmitting the second open request information to the door reader using a second communication method different from the first communication method.
    Type: Grant
    Filed: July 15, 2020
    Date of Patent: October 4, 2022
    Assignee: MOCA SYSTEM INC.
    Inventors: Dong Mok Shin, In Sik Baek, Jong Keun Lee, Jung Young Kim, Seong Bin Choi, Jae Won Lee
  • Plurality of scan driver having shared scan lines and display apparatus including the same
    Patent number: 11462174
    Abstract: Disclosed herein is a display apparatus including a display panel displaying an image and a scan driver including a one-side stage disposed at one side of the display panel and an other-side stage disposed at the other side of the display panel, wherein each of the one-side stage and the other-side stage includes at least two output terminals, and a first output terminal of the one-side stage and a second output terminal of the other-side stage shares one scan line disposed in the display panel.
    Type: Grant
    Filed: May 12, 2021
    Date of Patent: October 4, 2022
    Assignee: LG Display Co., Ltd.
    Inventor: Tae Keun Lee
  • Method for encoding/decoding image signal, and device for same
    Patent number: 11463695
    Abstract: An image decoding method according to the present invention includes: a step for dividing the current picture into a plurality of tiles; a step for decoding division information indicating a slice defining method; and a step for determining a first slice on the basis of the division information.
    Type: Grant
    Filed: March 10, 2021
    Date of Patent: October 4, 2022
    Assignee: Apple Inc.
    Inventor: Bae Keun Lee
  • Method for encoding/decoding image signal and device therefor
    Patent number: 11463723
    Abstract: An image decoding method according to the present invention may comprise the steps of: generating an affine mergence candidate list for a current block; specifying one of multiple affine mergence candidates contained in the affine mergence candidate list; deriving affine seed vectors of the specified mergence candidate; deriving a sub-block motion vector for a sub-block in the current block by using the affine seed vectors, wherein the sub-block is smaller in size than the current block; deriving offset data for the sub-block; and generating a sub-prediction block for the sub-block on the basis of the affine vector and the offset data.
    Type: Grant
    Filed: December 26, 2019
    Date of Patent: October 4, 2022
    Assignee: Apple Inc.
    Inventor: Bae Keun Lee
  • Mitigating write disturbance errors of phase-change memory module
    Patent number: 11462266
    Abstract: Provided is a phase-change memory (PCM) module including a PCM device including a bit line and a word line, a memory controller configured to output a command related to an operation of the PCM device, and an interference mitigation part located between the memory controller and the PCM device and configured to perform a rewrite operation on the basis of a state transition characteristic of the command output from the memory controller.
    Type: Grant
    Filed: July 9, 2021
    Date of Patent: October 4, 2022
    Assignees: SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION, Foundation for Research and Business, Seoul National University of Science and Technology
    Inventors: Hyun Kim, Hyo Keun Lee, Seung Yong Lee, Hyuk Jae Lee
  • METHOD AND DEVICE FOR PROCESSING VIDEO SIGNAL
    Publication number: 20220311999
    Abstract: A method for decoding a video according to the present invention, may comprise determining whether bi-directional intra prediction is applied to a current block, deriving a reference sample of the current block, and when the bi-directional intra prediction is applied to the current block, based on a first reference sample and a second reference sample specified by an intra prediction mode of the current block, obtaining a prediction sample of the current block.
    Type: Application
    Filed: June 9, 2022
    Publication date: September 29, 2022
    Applicant: KT CORPORATION
    Inventor: Bae Keun LEE
  • DISPLAY DEVICE
    Publication number: 20220310895
    Abstract: A display device includes a first substrate, a wire pad in a pad area, first banks in a display area, electrodes on the first banks, a pad electrode base layer on the wire pad, having a greater width than the wire pad, and covering sides of the wire pad, a first insulating layer covering parts of the electrodes and part of the pad electrode base layer, light-emitting elements on the first insulating layer in the display area, respective ends of the light-emitting elements being on different electrodes, contact electrodes on the electrodes and contacting first ends of the light-emitting elements, and a pad electrode upper layer on the first insulating layer in the pad area and directly contacting the pad electrode base layer, wherein the pad electrode base layer includes the same material as the electrodes, and the pad electrode upper layer includes the same material as the contact electrodes.
    Type: Application
    Filed: June 13, 2022
    Publication date: September 29, 2022
    Inventors: Jin Taek KIM, Seung Min LEE, Jung Hwan YI, Hee Keun LEE, Bek Hyun LIM, Kyung Tae CHAE
  • COMPOSITION FOR PREVENTING OR TREATING CANCER
    Publication number: 20220307035
    Abstract: The present invention relates to a composition capable of preventing or treating cancer, particularly pancreatic cancer. The composition can effectively inhibit the growth or proliferation of cancer cells, and furthermore, effectively prevent the resistance of cancer cells to anticancer agents, or the metastasis or recurrence of cancer, by using an inhibitor of the activity of at least one of interleukin-10 receptor subunit beta (IL-10RB, IL-10R2) and interleukin-22 (IL-22); or an inhibitor of expression of a gene encoding at least one of the interleukin-10 receptor subunit beta and the interleukin-22.
    Type: Application
    Filed: June 12, 2020
    Publication date: September 29, 2022
    Applicant: ACURASYSBIO CO., LTD.
    Inventors: Hyung Keun LEE, Ji Won JEON, So Young KIM, A Reum YEO
  • Method and apparatus for processing video signal
    Patent number: 11457218
    Abstract: A method for decoding a video according to the present invention may comprise: deriving a reference sample for a current block, determining an intra prediction mode of the current block, and obtaining a prediction sample for the current block by using the reference sample and the intra prediction mode.
    Type: Grant
    Filed: December 17, 2020
    Date of Patent: September 27, 2022
    Assignee: KT CORPORATION
    Inventor: Bae Keun Lee
  • Method for refining a motion vector derived under a merge mode using a difference vector
    Patent number: 11457235
    Abstract: An image decoding method according to the present invention comprises: a step of acquiring an initial motion vector of a current block; a step of deriving a refined motion vector for each of a plurality of search points on the basis of the initial motion vector; and a step of acquiring a motion vector of the current block on the basis of the refined motion vector of any one of the plurality of search points.
    Type: Grant
    Filed: August 27, 2018
    Date of Patent: September 27, 2022
    Assignee: KT CORPORATION
    Inventor: Bae Keun Lee