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).

  • METHOD AND APPARATUS FOR IMAGE ENCODING/DECODING, AND RECORDING MEDIUM STORING BITSTREAM
    Publication number: 20230370616
    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: July 26, 2023
    Publication date: November 16, 2023
    Applicant: LX SEMICON CO., LTD.
    Inventors: Sung Chang LIM, Hyun Suk KO, Jung Won KANG, Jin Ho Lee, HA Hyun LEE, Dong San Jun, Hui Yong KIM
  • METHOD AND APPARATUS FOR IMAGE ENCODING/DECODING, AND RECORDING MEDIUM STORING BITSTREAM
    Publication number: 20230370613
    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: July 26, 2023
    Publication date: November 16, 2023
    Applicant: LX SEMICON CO., LTD.
    Inventors: Sung Chang LIM, Hyun Suk KO, Jung Won KANG, Jin Ho Lee, HA Hyun LEE, Dong San Jun, Hui Yong KIM
  • IMAGE ENCODING/DECODING METHOD AND DEVICE USING SAME
    Publication number: 20230370634
    Abstract: The image decoding method according to the present invention comprises the steps of: determining the availability of a block adjacent to a current block; configuring a merge candidate list for the current block on the basis of the result of the determined availability; and performing motion compensation for the current block on the basis of the merge candidate list, wherein the step of determining availability comprises the steps of inducing block availability information on the adjacent block and inducing the availability of motion information on the adjacent block, and the step of determining the availability of the adjacent block is such that when there is more than one adjacent block, the availability of adjacent blocks can be determined in accordance with a predetermined order restriction.
    Type: Application
    Filed: July 5, 2023
    Publication date: November 16, 2023
    Applicants: Electronics and Telecommunications Research Institute, UNIVERSITY-INDUSTRY COOPERATION GROUP OF KYUNG HEE UNIVERSITY
    Inventors: Hui Yong KIM, Sung Chang LIM, Jin Soo CHOI, Jin woong KIM, Gwang Hoon PARK, Kyung Yong KIM
  • IMAGE ENCODING/DECODING METHOD AND DEVICE USING SAME
    Publication number: 20230370633
    Abstract: The image decoding method according to the present invention comprises the steps of: determining the availability of a block adjacent to a current block; configuring a merge candidate list for the current block on the basis of the result of the determined availability; and performing motion compensation for the current block on the basis of the merge candidate list, wherein the step of determining availability comprises the steps of inducing block availability information on the adjacent block and inducing the availability of motion information on the adjacent block, and the step of determining the availability of the adjacent block is such that when there is more than one adjacent block, the availability of adjacent blocks can be determined in accordance with a predetermined order restriction.
    Type: Application
    Filed: July 5, 2023
    Publication date: November 16, 2023
    Applicants: Electronics and Telecommunications Research Institute, UNIVERSITY-INDUSTRY COOPERATION GROUP OF KYUNG HEE UNIVERSITY
    Inventors: Hui Yong KIM, Sung Chang LIM, Jin Soo CHOI, Jin woong KIM, Gwang Hoon PARK, Kyung Yong KIM
  • Image encoding/decoding method and device, and recording medium in which bitstream is stored
    Patent number: 11818340
    Abstract: There is provided an image encoding/decoding method and apparatus. An image decoding method according to the present invention may comprise reconstructing a most frequent mode (MFM) indicator indicating whether or not an intra prediction mode of a current block is a predetermined intra prediction mode, deriving, on the basis of the MFM indicator, the intra prediction mode of the current block, and generating a prediction block of the current block by performing intra prediction on the current block on the basis of the intra prediction mode.
    Type: Grant
    Filed: July 5, 2019
    Date of Patent: November 14, 2023
    Assignees: Electronics and Telecommunications Research Institute, INDUSTRY-UNIVERSITY COOPERATION FOUNDATION KOREA AEROSPACE UNIVERSITY
    Inventors: Jin Ho Lee, Jung Won Kang, Ha Hyun Lee, Sung Chang Lim, Hui Yong Kim, Jae Gon Kim, Ji Hoon Do, Yong Uk Yoon, Do Hyeon Park, Yung Lyul Lee
  • METHOD AND APPARATUS FOR IMAGE ENCODING/DECODING, AND RECORDING MEDIUM STORING BITSTREAM
    Publication number: 20230362389
    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: July 6, 2023
    Publication date: November 9, 2023
    Applicant: LX SEMICON CO., LTD.
    Inventors: Sung Chang LIM, Hyun Suk KO, Jung Won KANG, Jin Ho Lee, Ha Hyun LEE, Dong San Jun, Hui Yong KIM
  • METHOD AND DEVICE FOR ENCODING/DECODING IMAGE, AND RECORDING MEDIUM IN WHICH BITSTREAM IS STORED
    Publication number: 20230362362
    Abstract: An image encoding/decoding method and apparatus for performing intra prediction using a plurality of reference sample lines are provided. An image decoding method may comprise configuring a plurality of reference sample lines, reconstructing an intra prediction mode of a current block, and performing intra prediction for the current block based on the intra prediction mode and the plurality of reference sample lines.
    Type: Application
    Filed: July 18, 2023
    Publication date: November 9, 2023
    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
  • VIDEO ENCODING/DECODING METHOD AND DEVICE, AND RECORDING MEDIUM FOR STORING BITSTREAM
    Publication number: 20230362352
    Abstract: An image encoding/decoding method is disclosed. Present invention of the method of decoding an image comprises determining a prediction mode for a current block and performing prediction on the current block on the basis of the determined prediction mode.
    Type: Application
    Filed: July 19, 2023
    Publication date: November 9, 2023
    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, Aram BACK, Dae Hyeok GWON
  • METHOD AND DEVICE FOR ENCODING/DECODING IMAGE, AND RECORDING MEDIUM IN WHICH BITSTREAM IS STORED
    Publication number: 20230362363
    Abstract: An image encoding/decoding method and apparatus for performing intra prediction using a plurality of reference sample lines are provided. An image decoding method may comprise configuring a plurality of reference sample lines, reconstructing an intra prediction mode of a current block, and performing intra prediction for the current block based on the intra prediction mode and the plurality of reference sample lines.
    Type: Application
    Filed: July 18, 2023
    Publication date: November 9, 2023
    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
  • METHOD AND APPARATUS FOR PERFORMING ENCODING/DECODING BY USING REGION-BASED INTER/INTRA PREDICTION TECHNIQUE
    Publication number: 20230362356
    Abstract: Disclosed are region-based image encoding/decoding method and apparatus. The method of decoding an image includes: determining a projection format of a 360-degree video image; determining, on the basis of the determined projection format, a spatial correlation degree between a current block and a neighboring block; and determining, on the basis of the determined spatial correlation degree, a candidate block for predicting the current block.
    Type: Application
    Filed: July 17, 2023
    Publication date: November 9, 2023
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Gun BANG, Hui Yong KIM
  • IMAGE ENCODING/DECODING METHOD AND APPARATUS, AND RECORDING MEDIUM STORING BITSTREAM
    Publication number: 20230362369
    Abstract: An image encoding/decoding method is disclosed. An image decoding method of the present invention may comprise deriving slice mode information on a slice included in a current picture, deriving slice identification information on the basis of the slice mode information, and decoding the slice on the basis of the slice identification information.
    Type: Application
    Filed: July 17, 2023
    Publication date: November 9, 2023
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Jung Won KANG, Ha Hyun LEE, Sung Chang LIM, Jin Ho LEE, Hui Yong KIM
  • METHOD AND DEVICE FOR ENCODING/DECODING IMAGE, AND RECORDING MEDIUM IN WHICH BITSTREAM IS STORED
    Publication number: 20230362360
    Abstract: An image encoding/decoding method and apparatus for performing intra prediction using a plurality of reference sample lines are provided. An image decoding method may comprise configuring a plurality of reference sample lines, reconstructing an intra prediction mode of a current block, and performing intra prediction for the current block based on the intra prediction mode and the plurality of reference sample lines.
    Type: Application
    Filed: July 17, 2023
    Publication date: November 9, 2023
    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
  • METHOD AND DEVICE FOR ENCODING/DECODING IMAGE, AND RECORDING MEDIUM STORING BIT STREAM
    Publication number: 20230362355
    Abstract: An image encoding/decoding method and apparatus for predicting a second color component block using a first color component block are provided. An image decoding method of the present invention comprises deriving a prediction parameter using the first color component block, and predicting the second color component block using the derived prediction parameter.
    Type: Application
    Filed: July 24, 2023
    Publication date: November 9, 2023
    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
  • Method for scanning transform coefficient and device therefor
    Patent number: 11812038
    Abstract: Provided is a transform coefficient scan method including: determining a reference transform block for a decoding target block; deriving a scanning map of the decoding target block using scanning information of the reference transform block; and performing inverse scanning on a transform coefficient of the decoding target block using the derived scanning map. According to the present invention, picture encoding/decoding efficiency may be improved.
    Type: Grant
    Filed: February 10, 2023
    Date of Patent: November 7, 2023
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Sung Chang Lim, Hui Yong Kim, Se Yoon Jeong, Jong Ho Kim, Ha Hyun Lee, Jin Ho Lee, Jin Soo Choi, Jin Woong Kim
  • Adaptive image encoding device and method
    Patent number: 11812012
    Abstract: Provided are an image encoding method and device. When carrying out image encoding for a block within a slice, at least one block in a restored block of the slice is set as a reference block. When this is done, the encoding parameters of the reference block are distinguished, and the block to be encoded is encoded adaptively based on the encoding parameters.
    Type: Grant
    Filed: September 14, 2021
    Date of Patent: November 7, 2023
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Sung Chang Lim, Jong Ho Kim, Hae Chul Choi, Hui Yong Kim, Ha Hyun Lee, Jin Ho Lee, Se Yoon Jeong, Suk Hee Cho, Jin Soo Choi, Jin Woo Hong, Jin Woong Kim
  • IMAGE ENCODING/DECODING METHOD AND RECORDING MEDIUM FOR SAME
    Publication number: 20230353751
    Abstract: The present invention relates to a method of performing motion compensation by using motion vector prediction. To this end, a method of decoding an image may include: generating multiple motion vector candidate lists according to an inter-prediction direction of a current block; deriving multiple motion vectors for the current block by using the multiple motion vector candidate lists; determining multiple prediction blocks for the current block by using the multiple motion vectors; and obtaining a final prediction block for the current block based on the multiple prediction blocks.
    Type: Application
    Filed: July 3, 2023
    Publication date: November 2, 2023
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Sung Chang LIM, Jung Won KANG, Ha Hyun LEE, Dong San JUN, Hyun Suk KO, Jin Ho LEE, Seung Hyun CHO, Hui Yong KIM, Jin Soo CHOI
  • IMAGE ENCODING/DECODING METHOD AND DEVICE, AND RECORDING MEDIUM STORING BITSTREAM
    Publication number: 20230353735
    Abstract: The present invention relates to an image encoding and decoding method. An image decoding method for the same includes: determining a reference sample of a current block; performing filtering for the reference sample on the basis of a feature of an area where the reference sample is included; and performing intra-prediction by using the reference sample for which filtering is performed.
    Type: Application
    Filed: July 3, 2023
    Publication date: November 2, 2023
    Inventors: Hyun Suk KO, Sung Chang LIM, Jung Won KANG, Jin Ho LEE, Ha Hyun LEE, Dong San JUN, Hui Yong KIM
  • METHOD AND APPARATUS FOR ENCODING/DECODING INTRA PREDICTION MODE
    Publication number: 20230353731
    Abstract: An image decoding method, according to the present invention, includes the steps of: deriving an MPM candidate mode from neighboring blocks adjacent to a target block to be decoded; generating an MPM list using the MPM candidate mode derived from the neighboring blocks; and deriving an intra prediction mode for the target block to be decoded using the generated MPM list. According to the present invention, image compression efficiency can be improved.
    Type: Application
    Filed: June 30, 2023
    Publication date: November 2, 2023
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Jin Ho LEE, Hui Yong KIM, Sung Chang LIM, Jin Soo CHOI, Jin Woong KIM
  • IMAGE ENCODING/DECODING METHOD AND DEVICE, AND RECORDING MEDIUM HAVING BITSTREAM STORED THEREON
    Publication number: 20230353776
    Abstract: The present invention relates to a method for encoding and decoding an image. The method for decoding an image includes: deriving an initial motion vector from a merge candidate list of a current block; deriving a refined motion vector using the initial motion vector; and generating a prediction block of the current block using the refined motion vector.
    Type: Application
    Filed: July 3, 2023
    Publication date: November 2, 2023
    Inventors: Ha Hyun LEE, Jung Won KANG, Hyun Suk KO, Sung Chang LIM, Jin Ho LEE, Dong San JUN, Seung Hyun CHO, Hui Yong KIM, Jin Soo CHOI
  • METHOD AND APPARATUS FOR INTER PREDICTION USING MOTION VECTOR CANDIDATE BASED ON TEMPORAL MOTION PREDICTION
    Publication number: 20230353774
    Abstract: An inter prediction method according to the present invention comprises: a step for deriving reference motion information related to a unit to be decoded in a current picture; and a step for performing motion compensation for the unit to be decoded, using the reference motion information that has been derived. According to the present invention, image encoding/decoding efficiency can be enhanced.
    Type: Application
    Filed: July 5, 2023
    Publication date: November 2, 2023
    Inventors: Sung Chang LIM, Hui Yong KIM, Se Yoon JEONG, Suk Hee CHO, Jong Ho KIM, Ha Hyun LEE, Jin Ho LEE, Jin Soo CHOI, Jin Woong KIM, Chie Teuk AHN