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: 11659205
    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: November 30, 2021
    Date of Patent: May 23, 2023
    Assignee: LG Electronics Inc.
    Inventors: Jungah Choi, Sunmi Yoo, Jin Heo, Ling Li, Jangwon Choi, Seunghwan Kim
  • Publication number: 20230147003
    Abstract: A method by which a decoding device performs image decoding, according to the present invention, comprises the steps of: deriving an intra prediction mode of a current block; deriving neighboring samples including left neighboring samples and upper neighboring samples of the current block; deriving reference samples for prediction of a target sample among the neighboring samples on the basis of the position of the target sample of the current block and the prediction angle of the intra prediction mode; determining an interpolation filter for the target sample; and deriving the prediction sample of the target sample on the basis of the interpolation filter and the reference samples.
    Type: Application
    Filed: December 30, 2022
    Publication date: May 11, 2023
    Inventors: Sunmi YOO, Jaeho LEE, Jangwon CHOI, Jungdong SEO, Jin HEO
  • Publication number: 20230145282
    Abstract: An image encoding/decoding method and apparatus are provided. An image decoding method performed by an image decoding apparatus may include determining a chroma array type of a current image, determining an adaptive loop filter (ALF) indicator of a chroma component based on the chroma array type, and performing ALF filtering with respect to a reconstructed image based on a value of the ALF indicator. The value of the ALF indicator may be determined to be a predetermined value without being obtained from a bitstream, based on the chroma array type being a predetermined type, and the value of the ALF indicator may be obtained from the bitstream, based on the chroma array type being not the predetermined type.
    Type: Application
    Filed: January 3, 2023
    Publication date: May 11, 2023
    Inventors: Ling LI, Jung Hak NAM, Jaehyun LIM, Jin HEO, Seung Hwan KIM
  • Patent number: 11647228
    Abstract: The present invention provides a method for decoding a video signal including extracting an inter prediction mode of a current block from the video signal; generating two non-square prediction blocks using two motion vectors according to the inter prediction mode; performing a non-square transform on the two non-square prediction blocks to obtain two non-square prediction blocks on a frequency domain; updating the two non-square prediction blocks on the frequency domain using a correlation coefficient or a scaling coefficient; and generating a reconstruction block based on the updated non-square prediction blocks on the frequency domain and a residual block.
    Type: Grant
    Filed: July 15, 2016
    Date of Patent: May 9, 2023
    Assignee: LG Electronics Inc.
    Inventors: Jin Heo, Sehoon Yea, Bumshik Lee
  • Patent number: 11647200
    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: Grant
    Filed: October 29, 2021
    Date of Patent: May 9, 2023
    Assignee: LG ELECTRONICS INC.
    Inventors: Sunmi Yoo, Jangwon Choi, Jin Heo
  • Patent number: 11647202
    Abstract: An image decoding method performed by a decoding device, according to the present document, comprises the steps of: receiving a bitstream including residual information of a current block; deriving a specific number of context-encoding bins for context syntax elements for a current sub-block of the current block; decoding the context syntax elements for the current sub-block included in the residual information on the basis of the specific number; deriving transform coefficients for the current sub-block on the basis of the decoded context syntax elements; deriving residual samples for the current block on the basis of the transform coefficients; and generating a reconstructed picture on the basis of the residual samples.
    Type: Grant
    Filed: April 28, 2022
    Date of Patent: May 9, 2023
    Assignee: LG Electronics Inc.
    Inventors: Jungah Choi, Jaehyun Lim, Jin Heo, Sunmi Yoo, Ling Li, Jangwon Choi, Seunghwan Kim
  • Publication number: 20230128360
    Abstract: The present specification provides a heterocyclic compound represented by Chemical Formula 1, an organic light emitting device including the same, and a composition for an organic material layer of the organic light emitting device.
    Type: Application
    Filed: August 17, 2022
    Publication date: April 27, 2023
    Applicant: LT MATERIALS CO., LTD.
    Inventors: Yu-Jin HEO, Sol LEE, Yong-Hui LEE, Jun-Tae MO, Dong-Jun KIM
  • Publication number: 20230119780
    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: Application
    Filed: November 15, 2022
    Publication date: April 20, 2023
    Inventors: Jangwon CHOI, Jin HEO, Sunmi YOO, Jungah CHOI, Seung Hwan KIM
  • Patent number: 11632557
    Abstract: A method for decoding a video performed by a decoding device according to the present document comprises: a step for receiving residual information for a current block; a step for parsing one sign flag for a current sub-block of the current block, wherein the one sign flag indicates whether all signs of non-zero residual coefficients of the current sub-block are the same; a step for deriving the non-zero residual coefficients on the basis of sign information for the non-zero residual coefficients when the value of the one sign flag is 1; a step for deriving residual samples on the basis of the non-zero residual coefficients; and a step for restoring a current picture on the basis of the residual samples.
    Type: Grant
    Filed: December 31, 2019
    Date of Patent: April 18, 2023
    Assignee: LG ELECTRONICS INC.
    Inventors: Sunmi Yoo, Jin Heo, Ling Li, Jangwon Choi, Jungah Choi, Seunghwan Kim, Junghak Nam
  • Patent number: 11632544
    Abstract: An image decoding method according to the present disclosure comprises the steps of: obtaining intra prediction type related information for a current block from a bit stream; deriving the intra prediction type of the current block based on the intra prediction type-related information; obtaining intra prediction mode-related information for the current block from the bitstream; configuring a most probable mode (MPM) list including candidate intra prediction modes for the current block based on neighboring blocks of the current block; deriving the intra prediction mode of the current block based on the MPM list and the intra prediction mode-related information; and generating a predicted block of the current block based on the intra prediction type and the intra prediction mode, wherein when the intra prediction type indicates the particular intra prediction type, the MPM index is parsed from the bit stream without parsing of an MPM flag.
    Type: Grant
    Filed: March 24, 2022
    Date of Patent: April 18, 2023
    Assignee: LG Electronics Inc.
    Inventors: Jin Heo, Sunmi Yoo, Ling Li, Jangwon Choi
  • Patent number: 11616947
    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: July 30, 2021
    Date of Patent: March 28, 2023
    Assignee: LG ELECTRONICS INC.
    Inventors: Jin Heo, Seunghwan Kim, Ling Li
  • Publication number: 20230089398
    Abstract: An image encoding decoding method and apparatus are provided. An image decoding method performed by an image decoding apparatus includes determining a splitting structure of a current block composed of chroma components, determining a splitting type of the current block based on the splitting structure, obtaining a plurality of lower-layer blocks by splitting the current block based on the splitting type, and decoding the lower-layer blocks based on a prediction mode of the lower-layer blocks.
    Type: Application
    Filed: October 31, 2022
    Publication date: March 23, 2023
    Inventors: Jangwon Choi, Jin Heo, Sunmi Yoo, Jungah Choi, Seung Hwan Kim
  • Publication number: 20230093443
    Abstract: An image decoding method performed by a decoding apparatus, according to the present document, comprises the steps of: acquiring a dependent quantization available flag; and acquiring a transform skip residual coding (TSRC) available flag on the basis of the dependent quantization available flag.
    Type: Application
    Filed: February 5, 2021
    Publication date: March 23, 2023
    Inventors: Jungah CHOI, Sunmi YOO, Jin HEO, Jangwon CHOI, Seunghwan KIM
  • Publication number: 20230086768
    Abstract: A method, performed by a decoding device, for decoding an image 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: February 5, 2021
    Publication date: March 23, 2023
    Inventors: Jungah CHOI, Sunmi YOO, Jin HEO, Jangwon CHOI, Seunghwan KIM
  • Publication number: 20230079866
    Abstract: An image decoding method carried out by a decoding device, according to the present document, comprises the steps of: acquiring prediction-related information for a current block; acquiring a dependent quantization enable flag related to whether dependent quantization is available; acquiring, on the basis of the dependent quantization enable flag, a transform skip residual coding (TSRC) enable flag related to whether TSRC is available; acquiring residual information of residual coding syntax for the current block, which has been derived on the basis of the TSRC enable flag; deriving motion information of the current block on the basis of the prediction-related information; deriving a prediction sample of the current block on the basis of the motion information; 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 prediction sample and the residual sample.
    Type: Application
    Filed: February 5, 2021
    Publication date: March 16, 2023
    Inventors: Jungah CHOI, Sunmi YOO, Jin HEO, Jangwon CHOI, Seunghwan KIM
  • Patent number: 11606310
    Abstract: Some embodiments of the invention provide a method for providing flow processing offload (FPO) for a host computer at a physical network interface card (pNIC) connected to the host computer. A set of compute nodes executing on the host computer are each associated with a set of interfaces that are each assigned a locally-unique virtual port identifier (VPID) by a flow processing and action generator. The pNIC includes a set of interfaces that are assigned physical port identifiers (PPIDs) by the pNIC. The method includes receiving a data message at an interface of the pNIC and matching the data message to a stored flow entry that specifies a destination using a VPID. The method also includes identifying, using the VPID, a PPID as a destination of the received data message by performing a lookup in a mapping table storing a set of VPIDs and a corresponding set of PPIDs and forwarding the data message to an interface of the pNIC associated with the identified PPID.
    Type: Grant
    Filed: December 8, 2020
    Date of Patent: March 14, 2023
    Assignee: VMWARE, INC.
    Inventors: Boon S. Ang, Wenyi Jiang, Guolin Yang, Jin Heo, Srividya Murali
  • Publication number: 20230077137
    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: February 5, 2021
    Publication date: March 9, 2023
    Inventors: Jungah CHOI, Sunmi YOO, Jin HEO, Jangwon CHOI, Seunghwan KIM
  • Publication number: 20230063488
    Abstract: A method, performed by a digital device, for processing an image service according to the present document comprises the steps of: receiving image information; decoding a first image on the basis of the image information; processing the decoded first image to be displayed on a first area of a display screen; and processing a second image to be displayed on a second area of the display screen.
    Type: Application
    Filed: October 28, 2022
    Publication date: March 2, 2023
    Inventors: Ling LI, Jin HEO, Seunghwan KIM
  • Patent number: 11595642
    Abstract: An image encoding/decoding method and apparatus are provided. An image decoding method performed by an image decoding apparatus may comprise identifying a current chroma block by splitting an image, identifying whether a matrix based intra prediction mode applies to a first luma sample position corresponding to the current chroma block, identifying whether a predetermined prediction mode applies to a second luma sample position corresponding to the current chroma block, based on the matrix based intra prediction mode doing not apply, and determining an intra prediction mode candidate of the current chroma block based on an intra prediction mode applying to a third luma sample position corresponding to the current chroma block, based on the predetermined prediction mode doing not apply.
    Type: Grant
    Filed: August 14, 2020
    Date of Patent: February 28, 2023
    Assignee: LG ELECTRONICS INC.
    Inventors: Hyeong Moon Jang, Jin Heo
  • Patent number: 11582482
    Abstract: An image decoding method according to the present document includes: a step for deriving a luma intra prediction mode; and a step for generating a chroma candidate mode list for a chroma block including a preset number of chroma intra candidates by using at least one among a DM, a planar mode, a DC mode, a vertical mode, a horizontal mode, and an up-right diagonal mode, which are derived from the luma intra prediction mode, wherein the DM is a prediction mode corresponding to a center (CR) position of the luma block, and the chroma intra candidates other than the DM can be derived through a duplicate check of the DM and a prediction mode corresponding to any one among the top left (TL), top right (TR), bottom left (BL), and bottom right (BR) of the luma block, the planar mode, the DC mode, the vertical mode, and the horizontal mode.
    Type: Grant
    Filed: November 27, 2019
    Date of Patent: February 14, 2023
    Assignee: LG ELECTRONICS INC.
    Inventors: Jangwon Choi, Jin Heo, Sunmi Yoo, Ling Li, Jungah Choi, Seunghwan Kim