Patents by Inventor Jong Seok Lee

Jong Seok Lee 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 efficiently coding residual blocks
    Patent number: 11973966
    Abstract: A video decoding method and a video decoding apparatus are configured to decode video. To efficiently code residual blocks obtained from block-based motion compensation, a video encoding apparatus and the video decoding apparatus divide a relevant residual block of a current block into two subblocks in a horizontal or vertical direction and encode one residual subblock alone out of the two residual subblocks.
    Type: Grant
    Filed: March 12, 2020
    Date of Patent: April 30, 2024
    Assignees: Hyundai Motor Company, Kia Motors Corporation, Kwangwoon University Industry-Academic Collaboration Foundation
    Inventors: Dong Gyu Sim, Jong Seok Lee, Sea Nae Park, Seung Wook Park, Wha Pyeong Lim
  • POWER SEMICONDUCTOR DEVICE
    Publication number: 20240136355
    Abstract: A power semiconductor device includes a silicon carbide (SiC) semiconductor layer, a first gate and a second gate buried in the semiconductor layer, a first base region positioned at least at one side of the first gate and having a first conductive type, a second base region positioned at least at one side of the second gate and a second conductive type, a first source region positioned at least at one side of the first gate to make contact with the first base region and the second base region and having the second conductive type, a second source region positioned at least at one side of the second gate to make contact with the first base region and the second base region and having the first conductive type, and a source electrode positioned over the semiconductor layer to make contact with the first source region and the second source region.
    Type: Application
    Filed: February 28, 2023
    Publication date: April 25, 2024
    Inventor: Jong Seok Lee
  • Inverse quantization device and method used in video decoding device
    Patent number: 11962777
    Abstract: An inverse quantization method is implemented by an inverse quantization device, the method configured for acquiring quantized coefficients, estimating a quantization parameter in quantization groups or quantization parameter prediction group units, generating an inverse quantization matrix for adaptive quantization, and generating transform coefficients from the quantized coefficients using the quantization parameter and the inverse quantization matrix.
    Type: Grant
    Filed: November 16, 2022
    Date of Patent: April 16, 2024
    Assignees: Hyundai Motor Company, Kia Corporation, Kwangwoon University Industry-Academic Collaboration Foundation
    Inventors: Dong Gyu Sim, Sea Nae Park, Jong Seok Lee, Seung Wook Park, Wha Pyeong Lim
  • Inverse quantization device and method used in video decoding device
    Patent number: 11962776
    Abstract: An inverse quantization method is implemented by an inverse quantization device, the method configured for acquiring quantized coefficients, estimating a quantization parameter in quantization groups or quantization parameter prediction group units, generating an inverse quantization matrix for adaptive quantization, and generating transform coefficients from the quantized coefficients using the quantization parameter and the inverse quantization matrix.
    Type: Grant
    Filed: November 16, 2022
    Date of Patent: April 16, 2024
    Assignees: Hyundai Motor Company, Kia Corporation, Kwangwon University Industry-Academic Collaboration Foundation
    Inventors: Dong Gyu Sim, Sea Nae Park, Jong Seok Lee, Seung Wook Park, Wha Pyeong Lim
  • Inverse quantization device and method used in video decoding device
    Patent number: 11962775
    Abstract: An inverse quantization method is implemented by an inverse quantization device, the method configured for acquiring quantized coefficients, estimating a quantization parameter in quantization groups or quantization parameter prediction group units, generating an inverse quantization matrix for adaptive quantization, and generating transform coefficients from the quantized coefficients using the quantization parameter and the inverse quantization matrix.
    Type: Grant
    Filed: November 16, 2022
    Date of Patent: April 16, 2024
    Assignees: Hyundai Motor Company, Kia Corporation, Kwangwoon University Industry-Academic Collaboration Foundation
    Inventors: Dong Gyu Sim, Sea Nae Park, Jong Seok Lee, Seung Wook Park, Wha Pyeong Lim
  • Inverse quantization device and method used in video decoding device
    Patent number: 11943441
    Abstract: An inverse quantization method is implemented by an inverse quantization device, the method configured for acquiring quantized coefficients, estimating a quantization parameter in quantization groups or quantization parameter prediction group units, generating an inverse quantization matrix for adaptive quantization, and generating transform coefficients from the quantized coefficients using the quantization parameter and the inverse quantization matrix.
    Type: Grant
    Filed: November 16, 2022
    Date of Patent: March 26, 2024
    Assignees: Hyundai Motor Company, Kia Corporation, Kwangwoon University Industry-Academic Collaboration Foundation
    Inventors: Dong Gyu Sim, Sea Nae Park, Jong Seok Lee, Seung Wook Park, Wha Pyeong Lim
  • PATH DETERMINATION APPARATUS AND METHOD OF MOBILE COMMUNICATION SYSTEM
    Publication number: 20240073121
    Abstract: Provided is a network function for determining a path for transmitting user data through the following steps: receiving, from an SMF, a path calculation request for a path for transmitting user data; and determining the path on the basis of information on a core network and information on a transport network coupled to a user plane layer of the core network.
    Type: Application
    Filed: August 17, 2023
    Publication date: February 29, 2024
    Inventors: Jong Seok LEE, Sunjin KIM, Namseok KO, No Ik PARK
  • APPARATUS AND METHOD FOR DETERMINING A PATH BASED ON PREDICTION
    Publication number: 20240073775
    Abstract: Provided are an apparatus and a method for computing a path for forwarding user data through the following steps: receiving a state measurement value or a state prediction value corresponding to the state measurement value of a state of a plurality of network resources within a mobile core network and a transport network; and computing the path for forwarding the user data, on the basis of either the state measurement value or the state prediction value, and topology of the mobile core network and topology of the transport network.
    Type: Application
    Filed: August 23, 2023
    Publication date: February 29, 2024
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Sunjin KIM, Jong Seok LEE, Namseok KO, Sun Me KIM, No Ik PARK
  • POWER SEMICONDUCTOR DEVICE AND METHOD FOR FABRICATING THE SAME
    Publication number: 20240047530
    Abstract: A power semiconductor device includes a semiconductor layer, a well region located inside the semiconductor layer and having a first conductivity type, a source region located on the well region and having a second conductivity type, a gate region in contact with a side surface of the well region and surrounding the well region, a drift region in contact with bottom surfaces of the well region and the gate region and having the second conductivity type, and a contact region located on the well region and having the first conductivity type. The drift region includes a protruding region in contact with another side surface of the well region. The power semiconductor device includes a source electrode in contact with each of the source region, the contact region, and the protruding region.
    Type: Application
    Filed: December 8, 2022
    Publication date: February 8, 2024
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION
    Inventor: Jong Seok Lee
  • METHOD AND APPARATUS FOR VIDEO CODING USING ADAPTIVE INTRA PREDICTION PRECISION
    Publication number: 20240031564
    Abstract: A method and an apparatus for video coding using adaptive intra prediction precision are disclosed. The video coding method and the apparatus select a precision mode for directionality of an intra prediction mode of a current block according to directional prediction modes of restored neighboring blocks. The video coding method and the apparatus adaptively use precision of the directionality based on the selected precision mode in intra prediction of a current block.
    Type: Application
    Filed: October 2, 2023
    Publication date: January 25, 2024
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION, DIGITALINSIGHTS INC.
    Inventors: Yong Jo Ahn, Jong Seok Lee, Seung Wook Park
  • METHOD AND APPARATUS FOR VIDEO CODING USING PRE-PROCESSING AND POST-PROCESSING
    Publication number: 20240031612
    Abstract: A method and an apparatus for video coding using pre-processing and post-processing are disclosed. The video coding method and the apparatus may model a noise model or a subjective video quality model for a current video, may pre-process and post-process a video on the basis of the model, and may signal information of the model.
    Type: Application
    Filed: September 29, 2023
    Publication date: January 25, 2024
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION, DIGITALINSIGHTS INC.
    Inventors: Yong Jo Ahn, Jong Seok Lee, Seung Wook Park
  • Compounds derived from and uses thereof
    Patent number: 11878984
    Abstract: The present invention relates to new compounds derived from marine actinomycetes Streptomyces, and the new compound according to the present invention has an inhibitory effect of NO production on BV-2 microglia stimulated with LPS, and thus can be utilized for the prevention and treatment of neuroinflammatory diseases.
    Type: Grant
    Filed: June 3, 2019
    Date of Patent: January 23, 2024
    Assignee: KOREA INSTITUTE OF OCEAN SCIENCE & TECHNOLOGY
    Inventors: Hee Jae Shin, Byeoung Kyu Choi, Hwa Sun Lee, Hyi Seung Lee, Yeon Ju Lee, Jong Seok Lee, Ji Hoon Lee
  • METHOD AND APPARATUS FOR DYNAMIC MESH CODING
    Publication number: 20240022766
    Abstract: A dynamic mesh encoding/decoding method and the apparatus use motion information present between a plurality of frames constituting a dynamic mesh in order to improve coding efficiency by removing temporal redundancy of the dynamic mesh.
    Type: Application
    Filed: September 28, 2023
    Publication date: January 18, 2024
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION, DIGITALINSIGHTS INC.
    Inventors: Yong Jo Ahn, Jong Seok Lee, Seung Wook Park
  • METHOD AND APPARATUS FOR VIDEO CODING USING MATRIX BASED CROSS-COMPONENT PREDICTION
    Publication number: 20230421752
    Abstract: A method and an apparatus for video coding using a matrix-based cross-component prediction are disclosed. The video coding method and apparatus predict a chroma component of a current block, by using a deep learning-based matrix operation, from a chroma component spatially adjacent to a chroma block of the current block and from a luma component spatially adjacent to a luma block corresponding to the chroma block.
    Type: Application
    Filed: September 1, 2023
    Publication date: December 28, 2023
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION, DIGITALINSIGHTS INC.
    Inventors: Yong Jo Ahn, Jong Seok Lee, Seung Wook Park
  • METHOD AND APPARATUS FOR MESH COMPRESSION USING POINT CLOUD CODING
    Publication number: 20230410374
    Abstract: A mesh compression method and an apparatus utilize point cloud compression. The mesh compression method and apparatus transform the three-dimensional mesh into a point cloud and then compress/reconstruct the three-dimensional mesh using a point cloud compression method to improve the coding efficiency of a three-dimensional mesh.
    Type: Application
    Filed: September 5, 2023
    Publication date: December 21, 2023
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION, DIGITALINSIGHTS INC.
    Inventors: Yong Jo Ahn, Jong Seok Lee, Seung Wook Park
  • METHOD AND APPARATUS FOR VIDEO CODING USING SPIRAL SCAN ORDER
    Publication number: 20230412811
    Abstract: A video coding method and an apparatus using a spiral scan order are disclosed. The video coding method and the apparatus perform encode/decode target blocks in a spiral scan order for allowing the blocks located centrally of a video frame to make use of more previously reconstructed neighboring blocks.
    Type: Application
    Filed: September 1, 2023
    Publication date: December 21, 2023
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION, DIGITALINSIGHTS INC.
    Inventors: Yong Jo Ahn, Jong Seok Lee, Seung Wook Park
  • METHOD AND APPARATUS FOR VIDEO CODING USING ARBITRARY BLOCK PARTITIONING
    Publication number: 20230412802
    Abstract: A video coding method and an apparatus using arbitrary block partitioning are disclosed. The video coding method and apparatus perform a transform and an inverse transform on residual signals of arbitrary partitioned blocks when predicting a current block by using arbitrary block. Alternatively, the video coding method and the video coding apparatus perform a transform and an inverse transform on residual signals corresponding to some pixels adjacent to a partitioning boundary after an arbitrary partitioning of the current block.
    Type: Application
    Filed: August 31, 2023
    Publication date: December 21, 2023
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION, DIGITALINSIGHTS INC.
    Inventors: Yong Jo Ahn, Jong Seok Lee, Seung Wook Park
  • METHOD AND DEVICE FOR ENCODING AND DECODING IMAGE INVOLVING GRADUAL REFRESH TECHNIQUE
    Publication number: 20230308671
    Abstract: A method is provided for decoding a sequence of pictures using a gradual refresh technique. In particular, all areas in one picture are gradually encoded or decoded over a plurality of pictures associated with the picture.
    Type: Application
    Filed: May 31, 2023
    Publication date: September 28, 2023
    Inventors: Dong Gyu Sim, Han Sol Choi, Jong Seok Lee, Sea Nae Park, Seung Wook Park, Wha Pyeong Lim
  • METHOD AND APPARATUS FOR VIDEO CODING USING BLOCK MERGING
    Publication number: 20230308662
    Abstract: A video coding method and an apparatus using block merging are presented. The video coding method and apparatus adaptively generate a block merge list, to predict and transform a current block, by referencing encoding information of the current block and by referencing encoding information of spatially and temporally adjacent blocks.
    Type: Application
    Filed: June 1, 2023
    Publication date: September 28, 2023
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION, DIGITALINSIGHTS INC.
    Inventors: Yong Jo Ahn, Jong Seok Lee, Seung Wook Park
  • METHOD AND APPARATUS FOR POINT CLOUD CODING USING ADAPTIVE DEAD ZONE QUANTIZATION
    Publication number: 20230306650
    Abstract: A point cloud coding device and a method using a dead zone quantization scheme adaptively, when encoding attribute values of points in a point cloud, are disclosed. The point cloud coding device and method adjust the size of dead zones based on the impact of various characteristics of the points on the prediction performance with the attribute values.
    Type: Application
    Filed: June 1, 2023
    Publication date: September 28, 2023
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION, DIGITALINSIGHTS INC.
    Inventors: Yong Jo Ahn, Jong Seok Lee, Seung Wook Park