Patents by Inventor Hui-Yong Kim

Hui-Yong Kim 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: 20250175602
    Abstract: An image encoding/decoding method is disclosed. An image decoding method of the present invention may comprise identifying a region by partitioning an image, and determining a prediction mode of the region on the basis of at least one of a size of the region, a partition shape, and a coding parameter of the region. The determined prediction mode of the region may be determined as a prediction mode of all coding blocks included in the region.
    Type: Application
    Filed: January 17, 2025
    Publication date: May 29, 2025
    Applicants: Electronics and Telecommunications Research Institute, HANBAT NATIONAL UNIVERSITY INDUSTRY-ACADEMIC COOPERATION FOUNDATION
    Inventors: Ha Hyun LEE, Jung Won KANG, Sung Chang LIM, Jin Ho LEE, Hui Yong KIM, Hae Chul CHOI, Dae Hyeok GWON
  • Publication number: 20250175596
    Abstract: An image decoding/encoding method and apparatus are discussed. The image decoding method can include obtaining, through a bitstream, image information comprising information on quantized transform coefficient levels, deriving transform coefficients of a current block based on the information on quantized transform coefficient levels, and determining a transform set for a secondary inverse-transform based on an intra prediction mode of the current block.
    Type: Application
    Filed: January 17, 2025
    Publication date: May 29, 2025
    Applicant: LX Semicon Co., Ltd.
    Inventors: Hyun Suk KO, Jin Ho LEE, Sung Chang LIM, Jung Won KANG, Ha Hyun LEE, Dong San JUN, Seung Hyun CHO, Hui Yong KIM, Jin Soo CHOI
  • Publication number: 20250175597
    Abstract: An image decoding/encoding method and apparatus are discussed. The image decoding method can include obtaining, through a bitstream, image information comprising information on quantized transform coefficient levels, deriving transform coefficients of a current block based on the information on quantized transform coefficient levels, and determining a transform set for a secondary inverse-transform based on an intra prediction mode of the current block.
    Type: Application
    Filed: January 17, 2025
    Publication date: May 29, 2025
    Applicant: LX Semicon Co., Ltd.
    Inventors: Hyun Suk KO, Jin Ho LEE, Sung Chang LIM, Jung Won KANG, Ha Hyun LEE, Dong San JUN, Seung Hyun CHO, Hui Yong KIM, Jin Soo CHOI
  • Publication number: 20250175591
    Abstract: The present invention relates to an image decoding method. The image decoding method comprises deriving initial motion information of a current block from at least one of motion information of a spatial neighbor block, motion information of a temporal neighbor block, and pre-defined motion information, generating refined motion information by performing motion information refinement for the initial motion information and generating a prediction block of the current block by using the refined motion information.
    Type: Application
    Filed: January 16, 2025
    Publication date: May 29, 2025
    Inventors: Sung Chang LIM, Ha Hyun LEE, Jung Won KANG, Jin Ho LEE, Hui Yong KIM
  • Publication number: 20250175592
    Abstract: The present invention relates to an image decoding method. The image decoding method comprises deriving initial motion information of a current block from at least one of motion information of a spatial neighbor block, motion information of a temporal neighbor block, and pre-defined motion information, generating refined motion information by performing motion information refinement for the initial motion information and generating a prediction block of the current block by using the refined motion information.
    Type: Application
    Filed: January 16, 2025
    Publication date: May 29, 2025
    Inventors: Sung Chang LIM, Ha Hyun LEE, Jung Won KANG, Jin Ho LEE, Hui Yong KIM
  • Publication number: 20250168323
    Abstract: An image decoding/encoding method and apparatus are discussed. The image decoding method can include deriving an intra prediction mode of a current chroma block, wherein an inter-color component intra prediction is applied to the current chroma block, deriving luma reference samples of a luma block related to the current chroma block, deriving downsampled luma reference samples based on the luma reference samples, and deriving chroma reference samples for the current chroma block.
    Type: Application
    Filed: January 17, 2025
    Publication date: May 22, 2025
    Applicant: LX Semicon Co., Ltd.
    Inventors: Jin Ho LEE, Hyun Suk KO, Jung Won KANG, Sung Chang LIM, Ha Hyun LEE, Dong San JUN, Seung Hyun CHO, Hui Yong KIM, Jin Soo CHOI
  • Publication number: 20250168327
    Abstract: An image encoding/decoding method and apparatus for performing intra prediction using a plurality of reference sample lines are provided. The image decoding method can include deriving an intra prediction mode for a chroma block, deriving reference samples of the chroma block, deriving prediction samples for the chroma block based on the intra prediction mode and the reference samples, performing filtering on the prediction samples, and generating a reconstructed picture based on residual samples for the chroma block and the prediction samples.
    Type: Application
    Filed: January 16, 2025
    Publication date: May 22, 2025
    Applicant: LX Semicon Co., Ltd.
    Inventors: Jin Ho LEE, Jung Won KANG, Hyun Suk KO, Sung Chang LIM, Ha Hyun LEE, Dong San JUN, Hui Yong KIM
  • Publication number: 20250168328
    Abstract: An image encoding/decoding method and apparatus for performing intra prediction using a plurality of reference sample lines are provided. The image decoding method can include receiving partition information for a coding tree unit and size information, partitioning a split target block in the coding tree unit into a plurality of coding units based on the partition information, and performing intra prediction for each of the plurality of coding units.
    Type: Application
    Filed: January 17, 2025
    Publication date: May 22, 2025
    Applicant: LX Semicon Co., Ltd.
    Inventors: Jin Ho LEE, Jung Won KANG, Hyun Suk KO, Sung Chang LIM, Ha Hyun LEE, Dong San JUN, Hui Yong KIM
  • Publication number: 20250168359
    Abstract: An image encoding/decoding method and apparatus for performing intra prediction mode based intra prediction are provided. An image decoding method may comprise decoding an intra prediction mode of a current block, deriving at least one intra prediction mode from the decoded intra prediction mode of the current block, generating two or more intra prediction blocks using the intra prediction mode of the current block and the derived intra prediction mode, and generating an intra prediction block of the current block based on the two or more intra prediction blocks.
    Type: Application
    Filed: January 16, 2025
    Publication date: May 22, 2025
    Inventors: Sung Chang LIM, Hyun Suk KO, Jung Won KANG, Jin Ho LEE, HA Hyun LEE, Dong San Jun, Hui Yong KIM
  • Publication number: 20250168324
    Abstract: An image decoding/encoding method and apparatus are discussed. The image decoding method can include determining that an inter-color component intra prediction is applied to a current chroma block, deriving luma neighboring reference samples of a luma block related to the current chroma block, deriving downsampled luma neighboring reference samples based on the luma neighboring reference samples, and deriving chroma neighboring reference samples for the current chroma block.
    Type: Application
    Filed: January 17, 2025
    Publication date: May 22, 2025
    Applicant: LX Semicon Co., Ltd.
    Inventors: Jin Ho LEE, Hyun Suk KO, Jung Won KANG, Sung Chang LIM, Ha Hyun LEE, Dong San JUN, Seung Hyun CHO, Hui Yong KIM, Jin Soo CHOI
  • Publication number: 20250168355
    Abstract: An image decoding/encoding method and apparatus are discussed. The image decoding method can include obtaining information for a collocated picture of a current block, deriving the collocated picture of the current block based on the information for the collocated picture, determining whether a collocated block in the collocated picture is available as a temporal merge candidate of the current block based on a prediction mode of the collocated block, and based on the collocated block being available as the temporal merge candidate, deriving the temporal merge candidate of the current block based on motion information of the collocated block.
    Type: Application
    Filed: January 17, 2025
    Publication date: May 22, 2025
    Applicant: LX Semicon Co., Ltd.
    Inventors: Dong San JUN, Jung Won KANG, Hyun Suk KO, Sung Chang LIM, Jin Ho LEE, Ha Hyun LEE, Hui Yong KIM
  • Publication number: 20250168391
    Abstract: The present invention is about an image encoding/decoding method and apparatus. According to present invention, a method of decoding an image, the method comprising, loading information of a neighboring block of a current block; decoding a current block using the loaded information of the neighboring block; and saving information of the current block that is decoded.
    Type: Application
    Filed: January 15, 2025
    Publication date: May 22, 2025
    Inventors: Sung Chang LIM, Jung Won KANG, Ha Hyun LEE, Jin Ho LEE, Hui Yong KIM
  • Publication number: 20250168354
    Abstract: An image decoding/encoding method and apparatus are discussed. The image decoding method can include obtaining prediction related information and residual information for a current block, deriving a prediction mode of the current block as a merge mode based on the prediction related information, and determining whether a spatial neighboring block of the current block is available as a spatial merge candidate of the current block based on a prediction mode of the spatial neighboring block.
    Type: Application
    Filed: January 17, 2025
    Publication date: May 22, 2025
    Applicant: LX Semicon Co., Ltd.
    Inventors: Dong San JUN, Jung Won KANG, Hyun Suk KO, Sung Chang LIM, Jin Ho LEE, Ha Hyun LEE, Hui Yong KIM
  • Publication number: 20250168390
    Abstract: The present invention is about an image encoding/decoding method and apparatus. According to present invention, a method of decoding an image, the method comprising, loading information of a neighboring block of a current block; decoding a current block using the loaded information of the neighboring block; and saving information of the current block that is decoded.
    Type: Application
    Filed: January 15, 2025
    Publication date: May 22, 2025
    Inventors: Sung Chang LIM, Jung Won KANG, Ha Hyun LEE, Jin Ho LEE, Hui Yong KIM
  • Publication number: 20250168330
    Abstract: An image encoding/decoding method and apparatus for performing intra prediction using a plurality of reference sample lines are provided. The image decoding method can include receiving partition information for a coding tree unit based on a predetermined allowable condition, and size information, partitioning a split target block in the coding tree unit into a plurality of coding units based on the partition information, and performing intra prediction for each of the plurality of coding units.
    Type: Application
    Filed: January 17, 2025
    Publication date: May 22, 2025
    Applicant: LX Semicon Co., Ltd.
    Inventors: Jin Ho LEE, Jung Won KANG, Hyun Suk KO, Sung Chang LIM, Ha Hyun LEE, Dong San JUN, Hui Yong KIM
  • Publication number: 20250168331
    Abstract: An image decoding/encoding method and apparatus are discussed. The image decoding method can include obtaining, through a bitstream, image information comprising information on quantized transform coefficient levels, deriving transform coefficients of a current block based on the information on quantized transform coefficient levels, and determining a transform set for a secondary inverse-transform based on an intra prediction mode of the current block.
    Type: Application
    Filed: January 17, 2025
    Publication date: May 22, 2025
    Applicant: LX Semicon Co., Ltd.
    Inventors: Hyun Suk KO, Jin Ho LEE, Sung Chang LIM, Jung Won KANG, Ha Hyun LEE, Dong San JUN, Seung Hyun CHO, Hui Yong KIM, Jin Soo CHOI
  • Publication number: 20250168356
    Abstract: An image decoding/encoding method and apparatus are discussed. The image decoding method can include obtaining residual information and information for a collocated picture of a current block, deriving the collocated picture of the current block based on the information for the collocated picture, and determining whether a collocated block in the collocated picture is available as a temporal merge candidate of the current block based on a prediction mode of the collocated block.
    Type: Application
    Filed: January 17, 2025
    Publication date: May 22, 2025
    Applicant: LX Semicon Co., Ltd.
    Inventors: Dong San JUN, Jung Won KANG, Hyun Suk KO, Sung Chang LIM, Jin Ho LEE, Ha Hyun LEE, Hui Yong KIM
  • Publication number: 20250168329
    Abstract: An image encoding/decoding method and apparatus for performing intra prediction using a plurality of reference sample lines are provided. The image decoding method can include receiving partition information for a coding tree unit and a maximum size information related to a transform block, partitioning a split target block in the coding tree unit into a plurality of coding units based on the partition information, and performing intra prediction for each of the plurality of coding units.
    Type: Application
    Filed: January 17, 2025
    Publication date: May 22, 2025
    Applicant: LX Semicon Co., Ltd.
    Inventors: Jin Ho LEE, Jung Won KANG, Hyun Suk KO, Sung Chang LIM, Ha Hyun LEE, Dong San JUN, Hui Yong KIM
  • Publication number: 20250168353
    Abstract: An image decoding/encoding method and apparatus are discussed. The image decoding method can include obtaining prediction related information for a current block, deriving a prediction mode of the current block as a merge mode based on the prediction related information, determining whether a spatial neighboring block of the current block is available as a spatial merge candidate of the current block based on a prediction mode of the spatial neighboring block, and based on the spatial neighboring block being available as the spatial merge candidate, deriving the spatial merge candidate of the current block based on motion information of the spatial neighboring block.
    Type: Application
    Filed: January 17, 2025
    Publication date: May 22, 2025
    Applicant: LX Semicon Co., Ltd.
    Inventors: Dong San JUN, Jung Won KANG, Hyun Suk KO, Sung Chang LIM, Jin Ho LEE, Ha Hyun LEE, Hui Yong KIM
  • Publication number: 20250159132
    Abstract: An image decoding/encoding method and apparatus are discussed. The image decoding method can include decoding candidate mode set selecting information, selecting a candidate mode set based on the candidate mode set selecting information, decoding, in case the selected candidate mode set comprises two or more candidate modes, candidate mode selecting information, and selecting one candidate mode among at least one candidate mode included in the candidate mode set based on the candidate mode selecting information as an intra prediction mode of a current block.
    Type: Application
    Filed: January 17, 2025
    Publication date: May 15, 2025
    Applicant: LX Semicon Co., Ltd.
    Inventors: Dong San JUN, Jung Won KANG, Sung Chang LIM, Hyun Suk KO, Jin Ho LEE, Hui Yong KIM, Jin Soo CHOI