Patents by Inventor Jin Heo

Jin Heo 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: 20230308665
    Abstract: A video decoding method performed by a decoding apparatus according to the present disclosure includes deriving one of a plurality of cross-component linear model (CCLM) prediction mode as a CCLM prediction mode of the current chroma block, deriving a sample number of neighboring chroma samples of the current chroma block based on the CCLM prediction mode of the current chroma block, a size of the current chroma block, and a specific value; deriving the neighboring chroma samples of the sample number, calculating CCLM parameters based on the neighboring chroma samples and the down sampled neighboring luma samples, deriving prediction samples for the current chroma block based on the CCLM parameters and the down sampled luma samples and generating reconstructed samples for the current chroma block based on the prediction samples, wherein the specific value is derived as 2.
    Type: Application
    Filed: May 25, 2023
    Publication date: September 28, 2023
    Inventors: Jangwon Choi, Jin Heo, Seunghwan Kim, Sunmi Yoo, Ling Li, Jungah Choi
  • Publication number: 20230308653
    Abstract: A method for decoding an image by a decoding device according to the present disclosure comprises the steps of: receiving a bit stream including residual information; deriving a quantized conversion factor of a current block on the basis of the residual information included in the bit stream; deriving a residual sample of the current block on the basis of the quantized conversion factor; and generating a reconstructed picture on the basis of the residual sample of the current block.
    Type: Application
    Filed: May 31, 2023
    Publication date: September 28, 2023
    Inventors: Jungah CHOI, Seunghwan Kim, Sunmi Yoo, Jangwon Choi, Jin Heo
  • Publication number: 20230308636
    Abstract: An image decoding method performed by a decoding apparatus according to the present disclosure includes receiving intra prediction information including at least one of most probable mode (MPM) flag information representing whether to derive an intra prediction mode for a current block based on MPM candidates for the current block or planar flag information representing whether to determine the intra prediction mode for the current block as a planar mode, deriving the intra prediction mode for the current block based on the MPM flag information and the planar flag information, deriving a predicted block for the current block based on the intra prediction mode for the current block, and generating a reconstructed picture based on the predicted block.
    Type: Application
    Filed: April 6, 2023
    Publication date: September 28, 2023
    Inventors: Ling LI, Jaehyun LIM, Jin HEO, Jangwon CHOI, Seunghwan KIM
  • Patent number: 11770557
    Abstract: A video decoding method according to the present document comprises the steps of: configuring an MPM list by deriving candidate intra prediction modes on the basis of a first neighboring block located on the left side and a second neighboring block located on the upper side with respect to the current block; deriving an intra prediction mode for the current block on the basis of the MPM list; generating prediction samples for the current block on the basis of the intra prediction mode; and generating a reconstructed picture for the current block on the basis of the prediction samples, wherein a first intra prediction mode of the first neighboring block and a second intra prediction mode of the second neighboring block are the same, wherein the candidate intra prediction modes including a DC mode are derived on the basis of a case where both the first intra prediction mode and the second intra prediction mode are the DC mode.
    Type: Grant
    Filed: May 20, 2022
    Date of Patent: September 26, 2023
    Assignee: LG ELECTRONICS INC.
    Inventors: Jin Heo, Jungah Choi, Jangwon Choi, Sunmi Yoo, Ling Li
  • Patent number: 11770537
    Abstract: An image encoding/decoding method and apparatus are provided. An image decoding method according to the present disclosure comprises determining whether to apply intra prediction to a current chroma block based on information on prediction of the current chroma block, deriving an intra prediction mode of the current chroma block based on an intra prediction mode of a corresponding luma block corresponding to the current chroma block and intra chroma prediction mode information of the current chroma block, when intra prediction applies to the current chroma block, and generating a prediction block of the current chroma block, by performing intra prediction based on the intra prediction mode of the current chroma block. When the intra prediction mode of the corresponding luma block is not present, the intra prediction mode of the current chroma block is derived based on a default intra prediction mode.
    Type: Grant
    Filed: September 14, 2021
    Date of Patent: September 26, 2023
    Assignee: LG Electronics Inc.
    Inventors: Hyeong Moon Jang, Jin Heo, Jung Hak Nam, Jangwon Choi
  • Patent number: 11765357
    Abstract: An image decoding method carried out by a decoding apparatus according to the present document comprises the steps of: acquiring, via a bitstream, image data comprising residual data, and prediction mode data for the current block; deriving the prediction mode of the current block on the basis of the prediction mode data; deriving prediction samples for the current block on the basis of the prediction mode; deriving residual samples for the current block on the basis of the residual data; and generating reconstructed samples for the current block on the basis of the prediction samples and residual samples.
    Type: Grant
    Filed: February 18, 2022
    Date of Patent: September 19, 2023
    Assignee: LG ELECTRONICS INC.
    Inventors: Jungah Choi, Jin Heo, Sunmi Yoo, Jaehyun Lim, Jangwon Choi, Seunghwan Kim
  • Publication number: 20230291891
    Abstract: A video decoding method according to this document includes deriving a first candidate intra prediction mode based on a first neighboring block located on a left side of a current block, deriving a second candidate intra prediction mode based on a second neighboring block located on an upper side of the current block, constructing a most probable mode (MPM) list for the current block based on the first candidate intra prediction mode and the second candidate intra prediction mode, deriving an intra prediction mode for the current block based on the MPM list, generating predicted samples by performing prediction for the current block based on the intra prediction mode, and generating a reconstructed picture for the current block based on the predicted samples.
    Type: Application
    Filed: May 16, 2023
    Publication date: September 14, 2023
    Inventors: Ling LI, Jin Heo, Seunghwan Kim
  • Publication number: 20230291893
    Abstract: A video decoding method according to this document includes constructing a most probable mode (MPM) list by deriving MPM candidates for a current block based on a neighboring block adjacent to the current block, deriving an intra prediction mode for the current block based on the MPM list, generating predicted samples by performing prediction for the current block based on the intra prediction mode, and generating a reconstructed picture for the current block based on the predicted samples.
    Type: Application
    Filed: May 18, 2023
    Publication date: September 14, 2023
    Inventors: Ling LI, Seunghwan Kim, Jin Heo, Sunmi Yoo, Jangwon Choi, Jungah Choi
  • Patent number: 11750813
    Abstract: An image decoding method according to the present document comprises the steps of: receiving a bitstream including residual information; deriving a quantized transform coefficient for a current block on the basis of the residual information included in the bitstream; deriving a residual sample for the current block on the basis of the quantized transform coefficient; and generating a reconstructed picture on the basis of the residual sample for the current block, wherein the residual information may be derived via different syntax elements depending on whether a transform has been applied to the current block.
    Type: Grant
    Filed: August 8, 2022
    Date of Patent: September 5, 2023
    Assignee: LG ELECTRONICS INC.
    Inventors: Sunmi Yoo, Jungah Choi, Seunghwan Kim, Jangwon Choi, Jin Heo
  • Publication number: 20230276050
    Abstract: An image decoding method includes receiving residual information including first size related information for a first residual coefficient and second size related information for a second residual coefficient, setting a Rice parameter of the first size related information and the second size related information as a specific value, deriving available binary values based on the Rice parameter, deriving binary values of the first size related information and the second size related information by decoding the first size related information and the second size related information, deriving values of the first size related information and the second size related information by comparing the binary values and the available binary values, deriving the first residual coefficient and the second residual coefficient based on the values, and reconstructing a current picture based on the first residual coefficient and the second residual coefficient.
    Type: Application
    Filed: May 2, 2023
    Publication date: August 31, 2023
    Inventors: Sunmi Yoo, Jin Heo, Ling Li, Jangwon Choi, Jungah Choi, Seunghwan Kim
  • Publication number: 20230276045
    Abstract: An image decoding method performed by a decoding device according to the present document comprises: a step for deriving the number of samples of upper peripheral chroma samples and left peripheral chroma samples of a current chroma block on the basis of a specific value and the width and height of the current chroma block; a step for deriving said number of upper peripheral chroma samples and said number of left peripheral chroma samples; and a step for deriving CCLM parameters on the basis of the upper peripheral chroma samples, the left peripheral chroma samples, and down-sampled peripheral luma samples, wherein, when the specific value is derived as 2 and the width and the height of the current chroma block are larger than the specific value, the number of samples is derived as the specific value.
    Type: Application
    Filed: May 8, 2023
    Publication date: August 31, 2023
    Inventors: Jangwon CHOI, Seunghwan KIM, Jin HEO
  • Publication number: 20230276052
    Abstract: A method for performing video decoding by a decoding device according to the present document comprises the steps of: acquiring residual information of a current block; deriving residual samples of the current block on the basis of the residual information; and generating a reconstructed picture on the basis of the residual samples.
    Type: Application
    Filed: May 3, 2023
    Publication date: August 31, 2023
    Inventors: Jungah CHOI, Jin HEO, Sunmi YOO, Jaehyun LIM, Jangwon CHOI, Seunghwan KIM
  • Patent number: 11743496
    Abstract: An image decoding method includes obtaining image information including residual information and prediction-related information through a bitstream, deriving transform coefficients based on the residual information, generating residual samples for a current block based on the transform coefficients, deriving an intra prediction mode for the current block based on the prediction-related information, generating prediction samples for the current block based on the intra prediction mode, generating reconstructed samples for the current block based on the prediction samples and the residual samples, wherein the image information includes flag information related to whether an intra prediction mode type for the current block is a matrix-based intra prediction (MIP), wherein the intra prediction mode type for the current block is determined as the MIP based on the flag information, and wherein the prediction samples for the current block are generated based on MIP samples.
    Type: Grant
    Filed: February 22, 2022
    Date of Patent: August 29, 2023
    Assignee: LG Electronics Inc.
    Inventors: Jangwon Choi, Seunghwan Kim, Jin Heo, Jungah Choi, Sunmi Yoo
  • Publication number: 20230263050
    Abstract: The present application provides a hetero-cyclic compound capable of significantly enhancing lifetime, efficiency, electrochemical stability and thermal stability of an organic light emitting device, and an organic light emitting device comprising the hetero-cyclic compound in an organic material layer.
    Type: Application
    Filed: June 24, 2021
    Publication date: August 17, 2023
    Applicant: LT MATERIALS CO., LTD.
    Inventors: Nam-Jin LEE, Ji-Yeon PARK, Yu-Jin HEO, Won-Jang JEONG, Dong-Jun KIM
  • Publication number: 20230262220
    Abstract: An image decoding method, which is performed by a decoding device according to the present document, is characterized by including: a step for receiving a bitstream including residual information about the current block; a step for deriving a maximum value of the number of context-encoding bins for context syntax elements coded on the basis of context included in the residual information; a step for entropy-decoding the context syntax elements on the basis of the maximum value; a step for deriving conversion coefficients for the current block on the basis of the entropy-decoded context syntax elements; a step for deriving a residual sample for the current block on the basis of the conversion coefficients; and a step for generating a reconstructed picture on the basis of the residual sample for the current block.
    Type: Application
    Filed: April 27, 2023
    Publication date: August 17, 2023
    Inventors: Jungah CHOI, Jaehyun LIM, Jin HEO, Sunmi YOO, Ling LI, Jangwon CHOI, Seunghwan KIM
  • Publication number: 20230253818
    Abstract: A multi-input charging system and method using a motor driving device: the system includes a first inverter including a plurality of first switching elements, a second inverter including a plurality of second switching elements, a battery connected to a charging power input terminal or one end of the second inverter through a charging switch, and a controller configured to directly charge the battery through the charging power input terminal by selectively connecting the charging switch when a battery charging mode is started, and when connection of the charging switch is impossible, control the first switching elements and the second switching elements such that the charging power input terminal and the battery are connected through the first inverter, a motor, and the second inverter in a bypass manner.
    Type: Application
    Filed: July 19, 2022
    Publication date: August 10, 2023
    Applicants: Hyundai Motor Company, Kia Corporation
    Inventors: Seung Hyeon BIN, Seong Min KIM, Sang Jin HEO, Tae Il YOO
  • Publication number: 20230247175
    Abstract: Disclosed is an electronic device including a display module and a processor. The processor is configured to obtain a first video frame and a bypass control value for the first video frame and determine whether to perform frame rate conversion (FRC) processing using the first video frame based on the bypass control value. Based on a determination that the bypass control value is set to a first value indicating bypass of the FRC processing, the processor is configured to display the first video frame. Based on a determination that the bypass control value is set to a second value indicating the FRC processing, the processor is configured to generate an interpolation frame using the first video frame and a second video frame after the first video frame, and display the first video frame, the interpolation frame, and the second video frame.
    Type: Application
    Filed: January 30, 2023
    Publication date: August 3, 2023
    Inventors: Jin HEO, Jaehyeon JEONG
  • Patent number: 11716461
    Abstract: An image decoding method includes: configuring a MPM list including candidate intra prediction modes for a current block; deriving an intra prediction mode of the current block from the MPM list on the basis of MPM index information indicating an intra prediction mode, among the candidate intra prediction modes included in the MPM list, for the current block; generating prediction samples for the current block on the basis of the intra prediction mode; and generating a reconstructed picture for the current block on the basis of the prediction samples, wherein the step for configuring the MPM list comprises, on the basis of the case where the value of reference line index information, representing a reference line used for the intra prediction of the current block, is not zero, deriving a DC mode as one mode among the candidate intra prediction modes, and including same in the MPM list.
    Type: Grant
    Filed: July 13, 2021
    Date of Patent: August 1, 2023
    Assignee: LG Electronics Inc.
    Inventors: Jin Heo, Sunmi Yoo, Ling Li, Jangwon Choi, Jungah Choi
  • Publication number: 20230239477
    Abstract: A method for decoding an image by a decoding apparatus according to the present invention comprises the steps of: deriving predicted samples by performing prediction on a current block; determining whether the current block is to be divided, on the basis of a size and a maximum transform size of the current block; when the current block is determined to be divided, dividing the current block into transform blocks; deriving transform coefficients of the transform blocks; deriving residual samples by performing an inverse transform procedure for the transform coefficients; and generating a reconstructed picture on the basis of the residual samples and the predicted samples, wherein, when the size of the current block is larger than the maximum transform size, the current block is determined to be divided.
    Type: Application
    Filed: March 28, 2023
    Publication date: July 27, 2023
    Inventors: Sunmi YOO, Jangwon CHOI, Jin HEO
  • Publication number: 20230239507
    Abstract: An image decoding method performed by a decoding apparatus according to the present disclosure includes receiving a bitstream including residual information; deriving quantized transform coefficients for a current block based on the residual information included in the bitstream; deriving residual samples for the current block based on the quantized transform coefficients; and generating a reconstructed picture based on the residual samples for the current block.
    Type: Application
    Filed: April 5, 2023
    Publication date: July 27, 2023
    Inventors: Jungah Choi, Sunmi Yoo, Jin Heo, Ling Li, Jangwon Choi, Seunghwan Kim