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).

  • Publication number: 20240040118
    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: Application
    Filed: September 29, 2023
    Publication date: February 1, 2024
    Inventor: Bae Keun LEE
  • Publication number: 20240040117
    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: Application
    Filed: September 28, 2023
    Publication date: February 1, 2024
    Inventor: Bae Keun LEE
  • Patent number: 11889064
    Abstract: An image decoding method according to the present invention may comprise the steps of: deriving a merge candidate from a candidate block; generating a first merge candidate list including the merge candidate; specifying any one of a plurality of merge candidates included in the first merge candidate list; deriving affine vectors of a current block on the basis of motion information of the specified merge candidate; deriving a motion vector of a sub-block in the current block on the basis of the affine vectors; and performing motion compensation on the sub-block on the basis of the motion vector.
    Type: Grant
    Filed: April 25, 2023
    Date of Patent: January 30, 2024
    Assignee: KT CORPORATION
    Inventor: Bae Keun Lee
  • Patent number: 11887417
    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: September 7, 2022
    Date of Patent: January 30, 2024
    Assignee: MOCA SYSTEM INC.
    Inventors: Dong Mok Shin, In Sik Baek, Jong Keun Lee, Jung Young Kim, Seong Bin Choi, Jae Won Lee
  • Patent number: 11889077
    Abstract: An image decoding method according to the present invention may comprise the steps of: dividing a coding block into a first prediction unit and a second prediction unit; deriving a merge candidate list for the coding block; deriving first motion information for the first prediction unit and second motion information for the second prediction unit by means of the merge candidate list; and on the basis of the first motion information and the second motion information, acquiring a prediction sample within the coding block.
    Type: Grant
    Filed: June 10, 2022
    Date of Patent: January 30, 2024
    Assignee: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
    Inventor: Bae Keun Lee
  • Publication number: 20240031556
    Abstract: A video decoding method according to the present disclosure includes determining a reference sample line for a current block, deriving an intra prediction mode for the current block, and performing intra prediction of the current block based on the reference sample line and the intra prediction mode.
    Type: Application
    Filed: June 16, 2023
    Publication date: January 25, 2024
    Inventor: Bae Keun Lee
  • Publication number: 20240028657
    Abstract: Disclosed are a method and an apparatus for managing a user profile. A user profile management method performed by a server according to an example embodiment includes creating a plurality of profiles corresponding to a user account, receiving a view request for a profile of the other user account in a predetermined relationship with the user account from a user terminal logged in with the user account, providing a UI of a profile of the other user account including an interfacing object regarding the profile of the user account to the user account, receiving an input for selecting a profile to be displayed on the other user terminal logged in the other user account, among a plurality of profiles corresponding to the user account through the interfacing object, and matching the other user account with the selected profile.
    Type: Application
    Filed: October 2, 2023
    Publication date: January 25, 2024
    Inventors: So Yon SUNG, Ji Sun LEE, Bum Sun RYU, Jee Won YOU, Ki Byung CHAE, Uh Chul KIM, Do Hyun YOUN, Young Min PARK, Eun Ho SON, Min Jung KIM, Jin Hwan LEE, Jun Young KIM, Hyun Ok CHOI, Hye Sun KIM, Tae Joong YOON, Ha Na JUNG, Dong Keun LEE, Do Yi KIM, Min Jeong YANG, Hong Chan YUN
  • Publication number: 20240027110
    Abstract: The present invention provides an evaporative condenser capable of ensuring cooling performance without generating pressure loss, and provides an evaporative condenser comprising: a condensation module; a water injection module for spraying; and a blowing module, wherein the condensation module has stacked N header rows, each comprising: a first header which is disposed at one side thereof and in which a flow path is formed; and a plurality of connecting tubes for connecting the flow paths of the first header and the second header between the first header and the second header, and, here, N is a natural number greater than or equal to 2.
    Type: Application
    Filed: November 26, 2021
    Publication date: January 25, 2024
    Inventors: Jae Hyun HAN, Chul Ki JEONG, Dong Keun LEE, In Soo HWANG
  • Publication number: 20240031574
    Abstract: A method for decoding an image according to the present invention comprises the steps of: partitioning a coding block into a plurality of sub-blocks in a horizontal direction or vertical direction; determining whether a second inverse transform is applied to the coding block; and when it is determined that the second inverse transform is applied to the coding block, applying the second inverse transform to at least one of the plurality of sub-blocks.
    Type: Application
    Filed: September 25, 2023
    Publication date: January 25, 2024
    Inventor: Bae Keun LEE
  • Patent number: 11882282
    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: June 27, 2022
    Date of Patent: January 23, 2024
    Assignee: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
    Inventor: Bae Keun Lee
  • Publication number: 20240022720
    Abstract: An image decoding method according to the present invention may include splitting a picture into a plurality of tiles; and determining at least one slice on the basis of the plurality of tiles. Here, splitting a picture into a plurality of tiles may include: determining the width of a first tile column in the picture; and determining the width of a second tile column neighboring the first tile column.
    Type: Application
    Filed: June 12, 2023
    Publication date: January 18, 2024
    Inventor: Bae Keun Lee
  • Publication number: 20240021131
    Abstract: A display device includes a plurality of pixels, a power supply, a voltmeter, and a timing controller. The power supply is configured to generate an initialization voltage to be supplied to a sensing pixel among the pixels. The voltmeter is configured to measure a first value of the initialization voltage supplied to the sensing pixel during an active period of a frame period and a second value of the initialization voltage supplied to the sensing pixel during a vertical blank period of the frame period. The timing controller is configured to generate rewrite image data that is supplied to the sensing pixel during the vertical blank period. The rewrite image data is generated from image data applied to the pixels during the active period and a difference between the first and second values.
    Type: Application
    Filed: July 25, 2023
    Publication date: January 18, 2024
    Inventors: JUNG TAEK KIM, JAE WOO RYU, JOON SUK BAIK, SE KEUN LEE
  • Publication number: 20240022730
    Abstract: The image encoding/decoding method and device according to the present invention can construct a merge candidate list of a current block, derive motion information of the current block on the basis of the merge candidate list and a merge index of the current block, derive a motion vector difference of the current block, correct a motion vector of the current block by means of the motion vector difference, and carry out motion compensation on the current block by means of the corrected motion vector.
    Type: Application
    Filed: September 27, 2023
    Publication date: January 18, 2024
    Inventors: Bae Keun LEE, Dong San JUN
  • Patent number: 11876999
    Abstract: A method for decoding a video according to the present invention may comprise: generating a first prediction block for a current block based on a first prediction mode, generating a second prediction block for a current block based on a second prediction mode, and generating a final prediction block of the current block based on the first prediction block and the second prediction block.
    Type: Grant
    Filed: June 30, 2017
    Date of Patent: January 16, 2024
    Assignee: KT CORPORATION
    Inventor: Bae Keun Lee
  • Patent number: 11876998
    Abstract: An image decoding method according to the present invention can comprise the steps of: deriving merge candidates from neighboring blocks adjacent to a current block; generating a merge candidate list including the merge candidates, wherein the arrangement order of the merge candidates in the merge candidate list is determined on the basis of initial priorities; re-arranging the merge candidates included in the merge candidate list; decoding information for specifying at least one of the merge candidates included in the merge candidate list; and deriving motion information of the current block from a merge candidate corresponding to the information.
    Type: Grant
    Filed: June 30, 2022
    Date of Patent: January 16, 2024
    Assignee: KT CORPORATION
    Inventor: Bae Keun Lee
  • Patent number: 11876475
    Abstract: Disclosed is a motor control apparatus capable of checking whether there is an abnormality in connections of a plurality of motors, and switching connection schemes between an inverter and the motors or driving the motor in an electronic apparatus including one inverter configured to control a driving operation of the plurality of motors. For example, the motor control apparatus includes an inverter configured to convert DC power into AC power and provide the AC power to one of a plurality of motors, a switch configured to switch connection schemes between the inverter and the plurality of motors, and a controller, and the controller may control the inverter to output an input signal of a predetermined pattern in response to the switching of the connection schemes by the switch, and generate a control signal for controlling the inverter or the switch on the basis of a response signal corresponding to the input signal. Other example embodiments may be provided.
    Type: Grant
    Filed: February 15, 2022
    Date of Patent: January 16, 2024
    Assignee: LG ELECTRONICS INC.
    Inventors: Han Su Jung, Seok Hee Cho, Soong Keun Lee
  • Publication number: 20240015292
    Abstract: A method for decoding a video according to the present invention may comprise: obtaining a weighted prediction parameter of a current block, determined, based on the weighted prediction parameter, weights applying to a first prediction block generated based on a first reference picture and a second prediction block generated based on a second reference picture, and obtaining, based on a weighted sum of the first prediction block and the second prediction block, a final prediction block of the current block.
    Type: Application
    Filed: September 21, 2023
    Publication date: January 11, 2024
    Applicant: KT CORPORATION
    Inventor: Bae Keun LEE
  • Publication number: 20240015287
    Abstract: A method for decoding a video according to the present invention may comprise: determining merge target candidate blocks of a current coding block, specifying at least one among the merge target candidate blocks, and generating a merged block by merging the specified merge target candidate block and the current coding block.
    Type: Application
    Filed: September 20, 2023
    Publication date: January 11, 2024
    Applicant: KT CORPORATION
    Inventor: Bae Keun LEE
  • Publication number: 20240013725
    Abstract: A gate driver includes a first scan signal generator configured to output a logic voltage for driving of a scan transistor through a plurality of stages connected in cascade, the scan transistor performing a switching operation to transfer a data voltage to a driving transistor of a pixel, a second scan signal generator configured to output a logic voltage for driving of a sensing transistor through the plurality of stages, the sensing transistor sensing deterioration of a light emitting element of the pixel, a light emission control signal generator configured to output a logic voltage for control of a light emission control transistor of the pixel through the plurality of stages, and an initialization voltage generator driven by logic voltages received from some nodes of the first scan signal generator based on the light emission control signal generator to supply an initialization voltage to the pixel.
    Type: Application
    Filed: September 20, 2023
    Publication date: January 11, 2024
    Inventors: Se-Hwan KIM, Tae-Keun LEE, Min-Su KIM, Hae-Jun PARK, Young-Taek HONG
  • Publication number: 20240015317
    Abstract: An image decoding method according to the present invention comprises the steps of: referring to a first flag for indicating whether intra block-based delta pulse code modulation (BDPCM) signaled through a sequence parameter set is permitted, so as to determine whether a second flag for indicating whether the intra BDPCM is applied to a current block is parsed; determining whether the intra BDPCM is applied to the current block on the basis of the second flag; determining an intra BDPCM mode of the current block when it is determined that the intra BDPCM is applied to the current block; and acquiring a residual sample of the current block on the basis of the intra BDPCM mode.
    Type: Application
    Filed: April 19, 2023
    Publication date: January 11, 2024
    Inventor: Bae Keun Lee