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).

  • Patent number: 11902572
    Abstract: An image decoding method according to the present document comprises the steps of: acquiring, from a bitstream, reference line index information indicating a reference line to be used for intra prediction of a current block; constructing a most probable mode (MPM) list by deriving candidate intra prediction modes of the current block on the basis of the value of the reference line index information; deriving the intra prediction mode of 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 restoration samples for the current block on the basis of the prediction samples, wherein, on the basis of the case in which the value of the reference line index information is not zero, one of the candidate intra prediction modes is a DC mode and the number of candidate intra prediction modes including the DC mode is 5.
    Type: Grant
    Filed: February 26, 2020
    Date of Patent: February 13, 2024
    Assignee: LG ELECTRONICS INC.
    Inventors: Jin Heo, Sunmi Yoo, Ling Li, Jangwon Choi, Jungah Choi
  • Patent number: 11902582
    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: Grant
    Filed: April 5, 2023
    Date of Patent: February 13, 2024
    Assignee: LG ELECTRONICS INC.
    Inventors: Jungah Choi, Sunmi Yoo, Jin Heo, Ling Li, Jangwon Choi, Seunghwan Kim
  • Publication number: 20240048714
    Abstract: A method for decoding a picture based on a cross-component linear model (CCLM) mode includes deriving neighboring luma reference samples of a luma block, deriving down-sampled neighboring luma reference samples, deriving a linear model parameter based on the down-sampled neighboring luma reference samples and the neighboring chroma reference samples, where the neighboring luma reference samples includes top neighboring luma reference samples, and left neighboring luma reference samples, and where when the top boundary of the luma block overlaps with a boundary of a coding tree unit (CTU), the number of the top neighboring luma reference samples used for deriving the down-sampled neighboring luma reference samples among the neighboring luma reference samples is less than that of the left neighboring luma reference samples used for deriving the down-sampled neighboring luma reference samples.
    Type: Application
    Filed: October 12, 2023
    Publication date: February 8, 2024
    Inventors: Jangwon Choi, Jin Heo, Sunmi Yoo, Ling Li
  • Publication number: 20240048760
    Abstract: An image decoding method performed by a decoding apparatus according to the present invention comprises: a step of deriving an intra prediction mode for a current block; a step of deriving upper neighboring samples of a plurality of rows for the current block, and left neighboring samples of a plurality of columns; a step of deriving one row of upper reference samples on the basis of the upper neighboring samples; a step of deriving one column of left reference samples on the basis of the left neighboring samples; and a step of generating a prediction sample for the current block by using at least one of the upper reference samples and the left reference samples in accordance with the intra prediction mode.
    Type: Application
    Filed: October 9, 2023
    Publication date: February 8, 2024
    Inventor: Jin HEO
  • Patent number: 11889063
    Abstract: An image decoding method according to the present disclosure comprises deriving a first candidate intra prediction mode based on a first neighboring block of a current block; deriving a second candidate intra prediction mode based on a second neighboring block of the current block; constructing MPM (Most Probable Mode) list of 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; and generating a prediction sample for the current block based on the intra prediction mode, wherein the first neighboring block is a left neighboring block located at the lowermost side among neighboring blocks adjacent to a left boundary of the current block, and wherein the second neighboring block is an upper neighboring block located at the rightmost side among neighboring blocks adjacent to an upper boundary of the current block.
    Type: Grant
    Filed: February 14, 2023
    Date of Patent: January 30, 2024
    Assignee: LG ELECTRONICS INC.
    Inventors: Jin Heo, Seunghwan Kim, Ling Li
  • Patent number: 11889068
    Abstract: An image decoding method performed by a decoding apparatus according to the present disclosure comprises the steps of: obtaining a reference sample line index of a current block and most probable mode (MPM)-related information; constructing an alternative MPM list on the basis of the reference sample line index; deriving an intra prediction mode of the current block on the basis of the alternative MPM list and the MPM-related information; and generating a predicted block of the current block on the basis of the intra prediction mode, wherein the alternative MPM list is constructed on the basis of an intra prediction mode of an upper adjacent block of the current block and an intra prediction mode of a left adjacent block of the current block.
    Type: Grant
    Filed: October 12, 2022
    Date of Patent: January 30, 2024
    Assignee: LG ELECTRONICS INC.
    Inventors: Ling Li, Seunghwan Kim, Jin Heo
  • Patent number: 11889067
    Abstract: Disclosed are an intra-prediction mode-based image processing method and a device therefor. Particularly, a method for processing an image on the basis of an intra-prediction mode may comprise the steps of: configuring a reference sample to be used for prediction of a current block on the basis of width information and height information of the current block when the current block is a non-square block; deriving an intra-prediction mode of the current block; and generating a prediction sample of the current block by using the reference sample on the basis of the intra-prediction mode of the current block.
    Type: Grant
    Filed: July 13, 2022
    Date of Patent: January 30, 2024
    Assignee: LG ELECTRONICS INC.
    Inventors: Hyeongmoon Jang, Junghak Nam, Jaehyun Lim, Jin Heo
  • Patent number: 11889069
    Abstract: An image encoding/decoding method and apparatus are provided. An image decoding method performed by an image decoding apparatus may include identifying a prediction mode of a current block, determining a candidate intra prediction mode for the current block, based on a prediction mode of a neighboring block located around the current block, based on the intra prediction mode of the current block being an intra prediction mode, generating a candidate intra prediction mode list of the current block based on the candidate intra prediction mode, and determine an intra prediction mode of the current block based on the candidate intra prediction mode list. In this case, the candidate intra prediction mode may be determined to be a predetermined intra prediction mode, based on the prediction mode of the neighboring block being an MIP mode.
    Type: Grant
    Filed: November 15, 2022
    Date of Patent: January 30, 2024
    Assignee: LG ELECTRONICS INC.
    Inventors: Jangwon Choi, Jin Heo, Sunmi Yoo, Jungah Choi, Seung Hwan Kim
  • Publication number: 20240031604
    Abstract: An image decoding method performed by a decoding apparatus according to the present document is characterized by comprising the steps of: acquiring image information; and generating a reconstructed picture on the basis of the image information.
    Type: Application
    Filed: February 25, 2021
    Publication date: January 25, 2024
    Inventors: Sunmi YOO, Jungah CHOI, Jin HEO, Jangwon CHOI
  • Publication number: 20240031572
    Abstract: An image decoding method performed by a decoding apparatus, according to the present document, comprises the steps of: obtaining a dependent quantization available flag; obtaining a TSRC available flag, on the basis of the dependent quantization available flag; determining a residual coding syntax for a current block, on the basis of the TSRC available flag; obtaining residual information of the determined residual coding syntax for the current block; deriving a residual sample of the current block, on the basis of the residual information; and generating a reconstructed picture, on the basis of the residual sample, wherein the dependent quantization available flag is a flag regarding whether dependent quantization is available, the TSRC available flag is a flag regarding whether TSRC is available, and the TSRC available flag is obtained on the basis of the dependent quantization available flag having a value of 0.
    Type: Application
    Filed: September 29, 2023
    Publication date: January 25, 2024
    Inventors: Jungah CHOI, Sunmi YOO, Jin HEO, Jangwon CHOI, Seunghwan KIM
  • Patent number: 11882296
    Abstract: An image decoding method carried out by a decoding device, according to the present document, comprises the steps of: acquiring a sign data hiding enable flag; acquiring a transform skip residual coding (TSRC) enable flag on the basis of the sign data hiding enable flag; acquiring residual information for a current block, on the basis of the TSRC enable flag; deriving a residual sample of the current block, on the basis of the residual information; and generating a reconstructed picture on the basis of the residual sample, wherein the sign data hiding enable flag is a flag indicating whether sign data hiding is enabled, the TSRC enable flag is a flag indicating whether TSRC is enabled, and the TSRC enable flag is acquired on the basis of the sign data hiding enable flag having a value of zero.
    Type: Grant
    Filed: September 30, 2022
    Date of Patent: January 23, 2024
    Assignee: LG Electronics Inc.
    Inventors: Jungah Choi, Sunmi Yoo, Junghak Nam, Jin Heo, Jangwon Choi, Seunghwan Kim
  • Patent number: 11882280
    Abstract: The method for decoding an image by a decoding device according to the present document may comprise the steps of: acquiring image information comprising partitioning information for a current block; determining, on the basis of the size of the current block, whether to partition the current block; partitioning the current block into subblocks on the basis of the partitioning information, if it is determined that the current block is to be partitioned, and decoding the subblocks; and not partitioning the current block, if it is determined that the current block is not to be partitioned, and decoding the current block, wherein, if the current block is a chroma block, and the size of the current block is at most the minimum size of a chroma block, then it is determined that the current block is not to be partitioned.
    Type: Grant
    Filed: May 9, 2022
    Date of Patent: January 23, 2024
    Assignee: LG ELECTRONICS INC.
    Inventors: Jangwon Choi, Seunghwan Kim, Jin Heo
  • Publication number: 20240015282
    Abstract: A picture decoding method, performed by a decoding apparatus according to the present disclosure, comprises the steps of: when an intra-prediction mode of a chroma block is a cross-component linear model (CCLM) mode, deriving neighboring chroma reference samples with respect to the chroma block; deriving neighboring luma reference samples of a luma block corresponding to the chroma block and luma samples in the luma block; deriving down-sampled neighboring luma reference samples and downsampled luma samples by down sampling the neighboring luma reference samples and the luma samples, respectively; deriving a linear model parameter on the basis of the down-sampled neighboring luma reference samples and the neighboring chroma reference samples; generating prediction samples with respect to the chroma block on the basis of the linear model parameter and the down-sampled luma samples of the luma block; and reconstructing the chroma block on the basis of the prediction samples with respect to the chroma block.
    Type: Application
    Filed: September 21, 2023
    Publication date: January 11, 2024
    Inventors: Jangwon CHOI, Jin HEO, Sunmi YOO, Ling LI
  • Publication number: 20240007624
    Abstract: A video coding method and an apparatus using an adaptive order of intra sub-partitions are provided. The video coding method and apparatus adaptively determine an encoding/decoding order of subblocks based on at least one of a shape of the subblock, a size of the subblock, a sub-splitting direction, and a prediction mode in performing intra prediction of the subblocks split from a current block using an ISP mode.
    Type: Application
    Filed: September 15, 2023
    Publication date: January 4, 2024
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION, RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITY
    Inventors: Byeung Woo Jeon, Bum Yoon Kim, Jee Yoon Park, Jee Hwan Lee, Jin Heo, Seung Wook Park
  • Patent number: 11863376
    Abstract: Some embodiments provide a method for a first smart NIC of multiple smart NICs of a host computer. Each of the smart NICs is for performing virtual networking operations for a set of data compute machines executing on the host computer. The method determines that the first smart NIC is elected to communicate with a network management and control system that configures the virtual networking operations. The method receives a set of configuration data for the virtual networking operations from the network management and control system. The method provides the received set of configuration data to the other smart NICs of the host computer.
    Type: Grant
    Filed: December 22, 2021
    Date of Patent: January 2, 2024
    Assignee: VMWARE, INC.
    Inventors: Boon S. Ang, Wenyi Jiang, Guolin Yang, Jin Heo
  • Publication number: 20230421760
    Abstract: According to a disclosure of the present document, information associated with a deblocking filter for performing deblocking filtering may include chroma component filter parameter information associated with deblocking parameter offsets that are applied to a chroma component. The chroma component filter parameter information may be selectively signaled on the basis of a chroma tool offset presence flag. Therefore, an effect of increasing overall coding efficiency may be derived by signaling chroma component filter parameter information only in the case of not a monochrome color format.
    Type: Application
    Filed: September 7, 2023
    Publication date: December 28, 2023
    Inventors: Jangwon CHOI, Jungah CHOI, Jin HEO, Sunmi YOO
  • Publication number: 20230421771
    Abstract: An image decoding method performed by a decoding device according to the present disclosure comprises the steps of: receiving a bitstream including prediction information for a current block; deriving a chroma array type for the current block on the basis of a separate color plane flag indicating whether three color components are separately coded and a chroma format index indicating a chroma format sampling structure for the current block, which are included in the prediction information for the current block; deriving prediction samples for the current block on the basis of the derived chroma array type; and deriving reconstructed samples for the current block on the basis of the prediction samples.
    Type: Application
    Filed: September 11, 2023
    Publication date: December 28, 2023
    Inventors: Ling LI, Jaehyun LIM, Jin HEO, Junghak NAM
  • Publication number: 20230406862
    Abstract: The present specification relates to a heterocyclic compound represented by Formula 1, an organic light-emitting device comprising the same, and a composition for an organic layer.
    Type: Application
    Filed: November 12, 2021
    Publication date: December 21, 2023
    Applicant: LT MATERIALS CO., LTD.
    Inventors: Nam Jin LEE, Won Jang JEONG, Yu Jin HEO, Dong Jun KIM
  • Patent number: 11849120
    Abstract: An image decoding method performed by a decoding device according to the present document comprises the steps of: deriving a context model for a sign flag of a current residual coefficient of a current block; and decoding the sign flag on the basis of the context model, wherein the context model for the sign flag is derived on the basis of a sign flag of a residual coefficient decoded before the current residual coefficient in the current block.
    Type: Grant
    Filed: August 24, 2022
    Date of Patent: December 19, 2023
    Assignee: LG Electronics Inc.
    Inventors: Sunmi Yoo, Jin Heo, Jungah Choi, Seunghwan Kim
  • Publication number: 20230399329
    Abstract: The present invention provides a heterocyclic compound represented by Formula 1, an organic light-emitting device comprising the same, and a composition for forming an organic layer.
    Type: Application
    Filed: November 12, 2021
    Publication date: December 14, 2023
    Applicant: LT MATERIALS CO., LTD.
    Inventors: Yu Jin HEO, Won Jang JEONG, Gi Back LEE, Dong Jun KIM