Patents Assigned to Intellectual Discovery
  • Patent number: 12284569
    Abstract: A method, an apparatus, and a computer program for a connectionless asset tracking service in a wireless communication system, and a recording medium thereof. A method for a connectionless asset tracking service in a wireless communication system may comprise the steps in which a first device: receives an advertising packet from a second device; determines whether at least one advertising data structure (AD structure) included in the advertising packet is an AD structure related to a connectionless asset tracking service; and on the basis of the AD structure related to the connectionless asset tracking service, determines the location of the second device, wherein an AD type field of the AD structure related to the connectionless asset tracking service includes a value indicating a connectionless tracking service.
    Type: Grant
    Filed: January 8, 2021
    Date of Patent: April 22, 2025
    Assignee: INTELLECTUAL DISCOVERY CO., LTD.
    Inventor: Jea Ho Lee
  • Patent number: 12284339
    Abstract: A device for encoding/decoding the image according to the present invention includes an intra prediction module configured to: determine an intra prediction mode of a current block; determine a scanning order of multiple sub blocks in the current block on the basis of the determined intra prediction mode; and perform intra prediction of the current block on the basis of the determined scanning order.
    Type: Grant
    Filed: December 12, 2023
    Date of Patent: April 22, 2025
    Assignee: Intellectual Discovery Co., Ltd.
    Inventors: Dong Gyu Sim, Ho Chan Ryu, Yong Jo Ahn
  • Patent number: 12267492
    Abstract: The present invention relates to a video encoding/decoding method and apparatus. The video decoding method according to the present invention may comprise decoding filter information on a coding unit; classifying samples in the coding unit into classes on a per block classification unit basis; and filtering the coding unit having the samples classified into the classes on a per block classification unit basis by using the filter information.
    Type: Grant
    Filed: December 28, 2023
    Date of Patent: April 1, 2025
    Assignee: INTELLECTUAL DISCOVERY CO., LTD.
    Inventors: Sung Chang Lim, Jung Won Kang, Ha Hyun Lee, Dong San Jun, Hyun Suk Ko, Jin Ho Lee, Hui Yong Kim
  • Patent number: 12256066
    Abstract: According to the present invention, a method of decoding a video signal may include decoding division information that indicates whether a current decoding block is divided into two partial blocks, decoding information that indicates a division direction for the current decoding block when the division information indicates that the current decoding block is divided into the two partial blocks, and dividing the current decoding block into the two partial blocks according to the division direction.
    Type: Grant
    Filed: April 28, 2017
    Date of Patent: March 18, 2025
    Assignee: INTELLECTUAL DISCOVERY CO., LTD.
    Inventors: Joo Hee Moon, Sung Won Lim, Dong Jae Won
  • Publication number: 20250080752
    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: Application
    Filed: November 19, 2024
    Publication date: March 6, 2025
    Applicants: Electronics and Telecommunications Research Institute, Intellectual Discovery Co., Ltd.
    Inventors: Sung Chang LIM, Hui Yong Kim, Jin Ho Lee, Jin Soo Choi, Jin Woong Kim, Jae Gon Kim, Sang Yong Lee, Hae Chul CHOI
  • Patent number: 12238281
    Abstract: A device for encoding/decoding the image according to the present invention includes an intra prediction module configured to: determine an intra prediction mode of a current block; determine a scanning order of multiple sub blocks in the current block on the basis of the determined intra prediction mode; and perform intra prediction of the current block on the basis of the determined scanning order.
    Type: Grant
    Filed: July 13, 2023
    Date of Patent: February 25, 2025
    Assignee: Intellectual Discovery Co., Ltd.
    Inventors: Dong Gyu Sim, Ho Chan Ryu, Yong Jo Ahn
  • Patent number: 12238283
    Abstract: The present invention relates to a block partitioning structure from among the video coding schemes and to a method and apparatus for encoding and decoding the block partitioning structure, the method comprising the steps of: acquiring block partitioning data; partitioning a block by means of the acquired block partitioning data; and encoding and decoding by means of the partitioned block. The encoding and decoding method and apparatus according to the present invention has the benefit of improving encoding efficiency with respect to the existing video compression schemes.
    Type: Grant
    Filed: January 23, 2023
    Date of Patent: February 25, 2025
    Assignee: INTELLECTUAL DISCOVERY CO., LTD.
    Inventors: Ho Chan Ryu, Yong Jo Ahn
  • Publication number: 20250047868
    Abstract: The present invention provides an image encoding method and an image decoding method. The image decoding method of the present invention may comprise: obtaining intra-frame prediction information of a current block from a bitstream; inducing an intra-frame prediction mode of the current block on the basis of the intra-frame prediction information; determining a reference region for intra-frame prediction of the current block; and performing intra-frame prediction of the current block on the basis of the intra-frame prediction mode and the reference region.
    Type: Application
    Filed: October 17, 2024
    Publication date: February 6, 2025
    Applicant: Intellectual Discovery Co., Ltd.
    Inventors: Yong Jo AHN, Ho Chan RYU
  • Publication number: 20250047870
    Abstract: A video encoding/decoding apparatus according to the present invention acquires motion vector refinement information, performs motion compensation on the basis of a motion vector of a current block, refines the motion vector of the current block using at least one or both of the motion vector refinement information and the output of the motion compensation, and performs motion compensation using the refined motion vector.
    Type: Application
    Filed: October 21, 2024
    Publication date: February 6, 2025
    Applicant: INTELLECTUAL DISCOVERY CO., LTD.
    Inventors: Yong Jo AHN, Dong Gyu SIM, Ho Chan RYU, Seanae PARK, Byung Tae OH, Byung Cheol Cheol SONG
  • Publication number: 20250047878
    Abstract: An image encoding/decoding method and device according to the present disclosure may configure a reference sample for a cross component prediction of a chroma component block, derive a cross component prediction parameter by using the reference sample, and make a cross component prediction of the chroma component block on the basis of the cross component prediction parameter and a luma component block corresponding to the chroma component block.
    Type: Application
    Filed: October 24, 2024
    Publication date: February 6, 2025
    Applicant: INTELLECTUAL DISCOVERY CO., LTD.
    Inventor: Yong Jo AHN
  • Patent number: 12206895
    Abstract: A video coding/decoding method and device, according to the present invention, may enable: deriving an intra-frame prediction mode of a current block; configuring a reference pixel for the intra-frame prediction of the current block; and carrying out the intra-frame prediction of the current block on the basis of the intra-frame prediction mode and the reference pixel. The intra-frame prediction mode of the current block is derived on the basis of any one of MPM candidates or a predetermined default mode.
    Type: Grant
    Filed: October 20, 2022
    Date of Patent: January 21, 2025
    Assignee: INTELLECTUAL DISCOVERY CO., LTD.
    Inventor: Yong Jo Ahn
  • Publication number: 20250024071
    Abstract: A video encoding/decoding apparatus according to the present invention acquires motion vector refinement information, performs motion compensation on the basis of a motion vector of a current block, refines the motion vector of the current block using at least one or both of the motion vector refinement information and the output of the motion compensation, and performs motion compensation using the refined motion vector.
    Type: Application
    Filed: July 13, 2023
    Publication date: January 16, 2025
    Applicant: INTELLECTUAL DISCOVERY CO., LTD.
    Inventors: Yong Jo AHN, Dong Gyu SIM, Ho Chan RYU, Seanae PARK, Byung Tae OH, Byung Cheol SONG
  • Patent number: 12200227
    Abstract: The present invention relates to a video encoding/decoding method and apparatus. The video decoding method according to the present invention may comprise dividing a coding unit into a plurality of sub-units according to a block division structure and performing decoding based on the sub-unit, wherein the block division structure is a block division structure in which division is performed so as to include at least one sub-unit having a predetermined block form other than square and rectangle forms.
    Type: Grant
    Filed: December 13, 2022
    Date of Patent: January 14, 2025
    Assignee: Intellectual Discovery Co., Ltd.
    Inventors: Dong San Jun, Ha Hyun Lee, Jung Won Kang, Hyun Suk Ko, Sung Chang Lim, Jin Ho Lee, Hui Yong Kim
  • Publication number: 20250016526
    Abstract: Disclosed are a method, an apparatus and a computer program for performing a broadcast discovery or scanning service in a wireless communication system, and a recording medium therefor. A method by which a second device performs scan offloading on a first device in a wireless communication system, according to one embodiment of the present disclosure, comprises the steps of: transmitting, to the first device, information for indicating that the second device performs scanning instead of the first device; determining, by the second device, a target broadcast source for the first device; and transmitting, to the first device, information about the target broadcast source.
    Type: Application
    Filed: September 17, 2024
    Publication date: January 9, 2025
    Applicant: INTELLECTUAL DISCOVERY CO., LTD.
    Inventor: Jeaho LEE
  • Patent number: 12192450
    Abstract: An encoding/decoding method and device according to the present disclosure may: determine at least one among a plurality of inter prediction modes as the inter prediction mode of the current block; form an inter prediction candidate list on the basis of the determined inter prediction mode; perform motion compensation on the basis of one prediction candidate in the inter prediction candidate list, and generate a first prediction block of the current block; and correct the first prediction block by using a prescribed intra prediction mode.
    Type: Grant
    Filed: August 21, 2023
    Date of Patent: January 7, 2025
    Assignee: INTELLECTUAL DISCOVERY CO., LTD.
    Inventors: Jae Gon Kim, Do Hyeon Park, Yong Uk Yoon, Ji Hoon Do
  • Publication number: 20250007973
    Abstract: The present disclosure relates to an adaptive audio processing method, device, computer program, and recording medium thereof in a wireless communication system. A method of transmitting audio data from a first device to a second device in a wireless communication system, according to an embodiment of the present disclosure, may comprise: encoding first audio data in the first device, on the basis of a first codec parameter, to transmit same to the second device; transmitting, from the first device to the second device, information related to a change time point or a change position from the first codec parameter to second codec parameter; and encoding second audio data, on the basis of a second codec parameter, in the first device and transmitting same to the second device.
    Type: Application
    Filed: September 13, 2024
    Publication date: January 2, 2025
    Applicant: INTELLECTUAL DISCOVERY CO., LTD.
    Inventor: Jea Ho LEE
  • Patent number: 12184867
    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: May 15, 2023
    Date of Patent: December 31, 2024
    Assignees: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE, INTELLECTUAL DISCOVERY CO., LTD.
    Inventors: Sung Chang Lim, Hui Yong Kim, Jin Ho Lee, Jin Soo Choi, Jin Woong Kim, Jae Gon Kim, Hae Chul Choi, Sang Yong Lee
  • Publication number: 20240430671
    Abstract: The present disclosure relates to a method, apparatus, and computer program for setting an encryption key in a wireless communication system; and a recording medium for same. According to one embodiment of the present disclosure, a method for setting an encryption key size in a wireless communication system may comprise: a step in which a first controller of a first device receives a first message containing information on a minimum value of a first encryption key size from a first host of the first device; and a step in which the first controller transmits, to the first host, a second message indicating an encryption change. The second message may contain information on the first encryption key size.
    Type: Application
    Filed: August 27, 2024
    Publication date: December 26, 2024
    Applicant: INTELLECTUAL DISCOVERY CO., LTD.
    Inventor: Jeaho LEE
  • Publication number: 20240422327
    Abstract: The present invention relates to an intra prediction scheme among video coding techniques and, more particularly, relates to a video decoding method and apparatus for diving a block into a plurality of sub-blocks when intra prediction is performed and sequentially performing infra prediction on each of the sub-blocks. The decoding method performed by a video decoding apparatus includes determining whether to perform sub-block-based intra prediction on a current coding unit, dividing the current coding unit into a plurality of sub-blocks, performing intra prediction on each of the sub-blocks when a result of determination of whether to perform sub-block-based intra prediction has a value of “true”, and directly performing block-based intra prediction on the current coding unit without dividing the current coding unit when the result of the determination has a value of “false”.
    Type: Application
    Filed: August 28, 2024
    Publication date: December 19, 2024
    Applicant: Intellectual Discovery Co., Ltd.
    Inventors: Yong Jo AHN, Ho Chan RYU
  • Publication number: 20240414368
    Abstract: The present invention relates to block merging according to block split among video coding techniques, and a method and an apparatus for coding and decoding a video, in which in generating and modifying a block merging list, spatial merging candidate blocks of the block merging list are changed according to a split type and order of a current coding unit.
    Type: Application
    Filed: August 14, 2024
    Publication date: December 12, 2024
    Applicant: INTELLECTUAL DISCOVERY CO., LTD.
    Inventors: Yong Jo AHN, Ho Chan RYU