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 encoding/decoding image, and recording medium for storing bitstream
    Patent number: 11695926
    Abstract: An image decoding method is disclosed in the present specification. An image decoding method according to the present invention may comprise determining a prediction mode of a current block and performing prediction with respect to the current block on the basis of the determined prediction mode.
    Type: Grant
    Filed: September 20, 2019
    Date of Patent: July 4, 2023
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Jung Won Kang, Ha Hyun Lee, Sung Chang Lim, Jin Ho Lee, Hui Yong Kim
  • INTRA PREDICTION METHOD AND APPARATUS
    Publication number: 20230209067
    Abstract: An intra prediction method according to the present invention comprises the following steps: performing a directional prediction using at least one of a neighboring pixel of a current block and a left upper corner pixel positioned at a left upper corner of the current block so as to obtain a first prediction value for the current block; obtaining a second prediction value for the current block using the reference sample positioned in the current block; and weighted summing the first prediction value and the second prediction value using a weighting matrix so as to obtain a final prediction value for the current block. According to the present invention, image encoding/decoding efficiency may be improved.
    Type: Application
    Filed: February 28, 2023
    Publication date: June 29, 2023
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Jin Ho LEE, Hui Yong KIM, Sung Chang LIM, Jong Ho KIM, Ha Hyun LEE, Se Yoon JEONG, Suk Hee CHO, Jin Soo CHOI, Jin Woong KIM, Chie Teuk AHN
  • METHOD AND APPARATUS FOR ENCODING VIDEO, AND DECODING METHOD AND APPARATUS
    Publication number: 20230209056
    Abstract: The present invention relates to a video encoding method and apparatus for setting and encoding quantization parameters, and to a video decoding method and apparatus for decoding and setting quantization parameters in a video encoding and decoding apparatus which uses blocks having various sizes and depths as encoding and decoding units.
    Type: Application
    Filed: March 6, 2023
    Publication date: June 29, 2023
    Applicant: Electronics and Telecommunications Research Institute
    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
  • Image encoding/decoding method, apparatus, and recording medium for storing bitstream
    Patent number: 11689716
    Abstract: The present invention relates to an image encoding/decoding method and apparatus. The image decoding method according to the present invention may comprise constructing N MPM lists for a current block, wherein N is equal to or greater than 1, deriving an intra prediction mode of the current block based on the N MPM lists, and performing intra prediction for the current block based on the intra prediction mode.
    Type: Grant
    Filed: October 15, 2021
    Date of Patent: June 27, 2023
    Assignee: LX SEMICON CO., LTD
    Inventors: Hyun Suk Ko, Sung Chang Lim, Jung Won Kang, Dong San Jun, Seung Hyun Cho, Jin Ho Lee, Ha Hyun Lee, Hui Yong Kim, Jin Soo Choi
  • Intra prediction mode encoding/decoding method and apparatus
    Patent number: 11689728
    Abstract: An intra prediction mode encoding and decoding method, an image decoding device, and an image encoding device operate by deriving most probable modes (MPMs) from surrounding prediction units adjacent to a current prediction unit and deriving an intra prediction mode of the current prediction unit on the basis of an MPM flag indicating whether an MPM having the same prediction mode as the intra prediction mode of the current prediction unit exists among the derived MPMs.
    Type: Grant
    Filed: October 18, 2021
    Date of Patent: June 27, 2023
    Assignee: DOLBY LABORATORIES LICENSING CORPORATION
    Inventors: Jin Ho Lee, Hui Yong Kim, Sung Chang Lim, Jin Soo Choi, Jin woong Kim, Jae Gon Kim, Hae Chul Choi, Sang Yong Lee
  • Image encoding/decoding method using prediction block and apparatus for same
    Patent number: 11689742
    Abstract: According to the present invention, an image encoding/decoding method comprises the steps of: performing an intra prediction on a current block so as to generate a prediction block; performing filtering on a filtering target pixel in the prediction block on the basis of the intra prediction mode of the current block so as to generate a final prediction block; and generating a reconstructed block on the basis of a reconstructed differential block corresponding to the current block and on the final prediction block. According to the present invention, image encoding/decoding efficiency can be improved.
    Type: Grant
    Filed: April 2, 2021
    Date of Patent: June 27, 2023
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Jin Ho Lee, Hui Yong Kim, Sung Chang Lim, Jin Soo Choi, Jin Woong Kim
  • Method and apparatus for encoding/decoding image by using boundary processing, and recording medium for storing bitstream
    Patent number: 11689720
    Abstract: There is provided a method and apparatus of encoding/decoding an image. The method comprises decoding information on block partitioning of a current block included in a current picture from a bitstream; determining a partitioning method of the current block on the basis of the information; and partitioning the current block by using the determined partitioning method, wherein the partitioning method is determined on the basis of whether or not the current block includes a predetermined boundary.
    Type: Grant
    Filed: September 19, 2019
    Date of Patent: June 27, 2023
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Sung Chang Lim, Jung Won Kang, Ha Hyun Lee, Jin Ho Lee, Hui Yong Kim
  • METHOD FOR SCANNING TRANSFORM COEFFICIENT AND DEVICE THEREFOR
    Publication number: 20230199200
    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: Application
    Filed: February 10, 2023
    Publication date: June 22, 2023
    Inventors: Sung Chang LIM, Hui Yong KIM, Se Yoon JEOONG, Jong Ho KIM, Ha Hyun LEE, Jin Ho LEE, Jin Soo CHOI, Jin Woong KIM
  • METHOD AND DEVICE FOR ENCODING/DECODING IMAGES
    Publication number: 20230199186
    Abstract: A method and a device for encoding/decoding images are disclosed. The method for encoding images comprises the steps of: deriving a scan type of a residual signal for a current block according to whether or not the current block is a transform skip block; and applying the scan type to the residual signal for the current block, wherein the transform skip block is a block to which transform for the current block is not applied and is specified on the basis of information indicating whether or not transform for the current block is to be applied.
    Type: Application
    Filed: January 27, 2023
    Publication date: June 22, 2023
    Inventors: Hui Yong KIM, Sung Chang LIM, Jin Ho LEE, Jin Soo CHOI, Jin Woong KIM, Gwang Hoon PARK, Kyung Yong KIM
  • IMAGE ENCODING/DECODING METHOD, DEVICE, AND RECORDING MEDIUM HAVING BITSTREAM STORED THEREIN
    Publication number: 20230199174
    Abstract: An image decoding method is disclosed in the present specification. An image decoding method according to the present invention may comprise deriving a candidate list for inter-prediction of a current block, deriving motion information of the current block by using the candidate list, deriving a cumulative coding information candidate by using the motion information of the current block, inserting the derived cumulative coding information candidate into a cumulative coding information candidate list and updating the candidate list by using the cumulative coding information candidate list, wherein the updated candidate list is used for inter-prediction of a block to be decoded after the current block.
    Type: Application
    Filed: February 16, 2023
    Publication date: June 22, 2023
    Applicants: Electronics and Telecommunications Research Institute, UNIVERSITY-INDUSTRY COOPERATION GROUP OF KYUNG HEE UNIVERSITY
    Inventors: Jung Won KANG, Ha Hyun LEE, Sung Chang LIM, Jin Ho LEE, Hui Yong KIM, Gwang Hoon PARK, Tae Hyun KIM, Dae Young LEE
  • Method and apparatus for image encoding/decoding
    Patent number: 11683475
    Abstract: The present invention provides a method and apparatus for encoding/decoding an image to enhance inter prediction. According to the present invention, the method includes: determining a first reference picture and a second reference picture of a current block; determining both a first reference block in the first reference picture and a second reference block in the second reference picture; partitioning the current block into a plurality of sub blocks; and obtaining a prediction block of each of the sub blocks on the basis of reference candidate block index information of each of the sub blocks.
    Type: Grant
    Filed: May 10, 2021
    Date of Patent: June 20, 2023
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Dong San Jun, Jung Won Kang, Sung Chang Lim, Hyun Suk Ko, Jin Ho Lee, Hui Yong Kim, Jin Soo Choi
  • METHOD AND APPARATUS FOR PERFORMING INTRA-PREDICTION USING ADAPTIVE FILTER
    Publication number: 20230188749
    Abstract: Provided is a method and apparatus for performing intra-prediction using an adaptive fitter. The method for performing intra-prediction includes the steps of: determining whether or not to apply a first filter for a reference pixel value on the basis of information of a neighboring block of a current block: applying the first filter for the reference pixel value when it is determined to apply the first filter; performing intra-prediction on the current block on the basis of the reference pixel value; determining whether or not to apply a second filter for a prediction value according to each prediction mode of the current block, which is predicted by the intra-prediction performance on the basis of the information of the neighboring block; and applying the second filter for the prediction value according to each prediction mode of the current block when it is determined to apply the second filter.
    Type: Application
    Filed: February 3, 2023
    Publication date: June 15, 2023
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Jin Ho LEE, Hui Yong KIM, Se Yoon JEONG, Suk Hee CHO, Ha Hyun LEE, Jong Ho KIM, Sung Chang LIM, Jin Soo CHOI, Jin Woong KIM, Chie Teuk AHN
  • IMAGE ENCODING/DECODING METHOD AND APPARATUS AND RECORDING MEDIUM FOR STORING BITSTREAM
    Publication number: 20230188708
    Abstract: The present invention relates to an image encoding method and an image decoding method. The image decoding method includes partitioning a picture into a plurality of coding units, constructing a coding unit group including at least one coding unit of the plurality of coding units, obtaining coding information in units of one coding unit group, and decoding at least one coding unit of the plurality of coding units included in the coding unit group by using the obtained coding information.
    Type: Application
    Filed: January 9, 2023
    Publication date: June 15, 2023
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Jung Won KANG, Sung Chang LIM, Hyun Suk KO, Ha Hyun LEE, Jin Ho LEE, Dong San JUN, Seung Hyun CHO, Hui Yong KIM, Jin Soo CHOI
  • Method and device for encoding/decoding image, and recording medium having stored bitstream
    Patent number: 11677940
    Abstract: The present invention relates to an image encoding/decoding method. The image decoding method includes splitting a coding tree unit (CTU) into at least one coding unit (CU) according to a block splitting structure and performing CU-based decoding, in which the block partition structure is configured such that at least one of binary tree splitting and ternary tree splitting is performed after quadtree splitting is performed.
    Type: Grant
    Filed: September 20, 2018
    Date of Patent: June 13, 2023
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Sung Chang Lim, Jung Won Kang, Hyun Suk Ko, Jin Ho Lee, Ha Hyun Lee, Dong San Jun, Hui Yong Kim
  • Video encoding and decoding methods and device using same
    Patent number: 11677942
    Abstract: The present invention relates to video encoding/decoding methods and device, wherein the video encoding method according to the invention comprises the following steps: acquiring information of peripheral blocks; setting the information about a current block based on the information of the peripheral blocks; and encoding the current block based on the set information, wherein the current block and the peripheral blocks may be a CU (coding unit).
    Type: Grant
    Filed: October 26, 2021
    Date of Patent: June 13, 2023
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Sung Chang Lim, Hui Yong Kim, Jin Ho Lee, Jin Soo Choi, Jin Woong Kim, Jae Gon Kim, Sang Yong Lee
  • VIDEO ENCODING/DECODING METHOD AND DEVICE, AND RECORDING MEDIUM STORING BIT STREAM
    Publication number: 20230179793
    Abstract: Disclosed is an image encoding method. The method includes deriving a motion refinement candidate from among motion information of spatial neighboring blocks, motion information of a temporal neighboring blocks, predefined motion information, and motion information that most frequently occurs in a reference picture, performing a motion information refinement on the derived motion refinement candidate, and generating a prediction block of a current block by using the motion refinement candidate having undergone the motion information refinement.
    Type: Application
    Filed: January 31, 2023
    Publication date: June 8, 2023
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Sung Chang LIM, Jung Won KANG, Hyun Suk KO, Dong San JUN, Jin Ho LEE, Ha Hyun LEE, Hui Yong KIM
  • IMAGE ENCODING/DECODING METHOD AND DEVICE, AND RECORDING MEDIUM STORING BIT STREAM
    Publication number: 20230179796
    Abstract: The present invention relates to an image encoding/decoding method and apparatus. The image decoding method according to the present invention may comprise configuring an MPM list based on intra-prediction modes of neighbor blocks of a current block and a number of frequencies of the intra-prediction modes of the neighbor blocks, deriving an intra-prediction mode of the current block based on the MPM list, and performing intra-prediction for the current block based on the intra-prediction mode.
    Type: Application
    Filed: December 12, 2022
    Publication date: June 8, 2023
    Applicant: Intellectual Discovery Co., Ltd.
    Inventors: Hyun Suk KO, Sung Chang LIM, Jung Won KANG, Jin Ho LEE, Ha Hyun LEE, Dong San JUN, Hui Yong KIM
  • Image encoding/decoding method and apparatus, and recording medium storing bitstream
    Patent number: 11671603
    Abstract: Disclosed herein is a method of decoding an image. The method includes determining a prediction mode of a current block as a merge mode with motion vector difference (MMVD), deriving a merge candidate list of the current block, deriving a motion vector predictor of the current block using the merge candidate list, deriving a motion vector difference of the current block, and deriving a motion vector of the current block using the motion vector predictor and the motion vector difference. Only some of candidates in the merge candidate list are used to derive the motion vector predictor.
    Type: Grant
    Filed: December 27, 2019
    Date of Patent: June 6, 2023
    Assignees: Electronics 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, Jae Ryun Choi
  • Method and device for providing compression and transmission of training parameters in distributed processing environment
    Patent number: 11663476
    Abstract: Disclosed herein are a method and apparatus for compressing learning parameters for training of a deep-learning model and transmitting the compressed parameters in a distributed processing environment. Multiple electronic devices in the distributed processing system perform training of a neural network. By performing training, parameters are updated. The electronic device may share the updated parameter thereof with additional electronic devices. In order to efficiently share the parameter, the residual of the parameter is provided to the additional electronic devices. When the residual of the parameter is provided, the additional electronic devices update the parameter using the residual of the parameter.
    Type: Grant
    Filed: December 13, 2018
    Date of Patent: May 30, 2023
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Seung-Hyun Cho, Youn-Hee Kim, Jin-Wuk Seok, Joo-Young Lee, Woong Lim, Jong-Ho Kim, Dae-Yeol Lee, Se-Yoon Jeong, Hui-Yong Kim, Jin-Soo Choi, Je-Won Kang
  • Adaptive image encoding device and method
    Patent number: 11659159
    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: June 9, 2020
    Date of Patent: May 23, 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