Patents by Inventor Keun Lee

Keun 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).

  • Publication number: 20230269381
    Abstract: An image decoding method, according to the present disclosure, comprises the steps of: parsing tile column number information indicating a value wherein 1 is subtracted from the number of tile columns included in the i-th slice; parsing tile row number information indicating a value wherein 1 is subtracted from the number of tile rows included in the i-th slice; and, if the tile column number information and the tile row number information are both 0, further parsing number information related to the number of slices in which height information in a tile including the i-th slice is clearly signaled.
    Type: Application
    Filed: April 18, 2023
    Publication date: August 24, 2023
    Inventors: Bae Keun LEE, Dong San JUN
  • Patent number: 11736686
    Abstract: A method for decoding a video according to the present invention may comprise: determining a first prediction mode for a first sub-block in a current block and a second intra prediction mode for a second sub-block, performing a first prediction for the first sub-block based on the first intra prediction mode, performing a second prediction for the second sub-block based on the second intra prediction mode, and obtaining a prediction sample of the current block according to a result of the first prediction and the second prediction.
    Type: Grant
    Filed: September 7, 2021
    Date of Patent: August 22, 2023
    Assignee: KT CORPORATION
    Inventor: Bae Keun Lee
  • Publication number: 20230262253
    Abstract: A video decoding method, according to the present invention, comprises the steps of: deriving an L0 motion vector and an L1 motion vector of a current block; deriving an L0 prediction sample and an L1 prediction sample for a first position inside the current block on the basis of the L0 motion vector and the L1 motion vector; determining whether to apply a bidirectional optical flow to the current block; deriving a refined motion vector for a subblock which comprises the first position, when it is determined to apply the bidirectional optical flow; deriving a refined prediction sample for the first position on the basis of the refined motion vector; and obtaining a prediction sample for the first position by using the L0 prediction sample, the L1 prediction sample, and the refined prediction sample.
    Type: Application
    Filed: April 4, 2023
    Publication date: August 17, 2023
    Inventor: Bae Keun LEE
  • Publication number: 20230256429
    Abstract: A modular fluidic chip includes a body configured to have at least one flow channel formed in an inside thereof and be connected to another modular fluidic chip to allow the at least one flow channel to communicate with a flow channel provided in the other modular fluidic chip. A fluidic chip capable of performing one function is formed in the form of a module, whereby a fluidic flow system of various structures can be implemented without restriction in shape or size by connecting a plurality of fluidic chips capable of performing different functions as necessary. Through this, various and accurate experimental data can be obtained, and when a specific portion is deformed or damaged, only the fluidic chip corresponding thereto can be replaced, thereby reducing manufacture and maintenance costs.
    Type: Application
    Filed: April 20, 2023
    Publication date: August 17, 2023
    Applicant: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Seok Jae LEE, Moon Keun LEE, Nam Ho BAE, Tae Jae LEE, Kyoung Gyun LEE, Yoo Min PARK
  • Patent number: 11727741
    Abstract: A method for controlling a reader communicating with a user terminal using Bluetooth Low Energy (BLE), comprising: transmitting a first advertising packet to the user terminal; performing a first authentication with the user terminal that has received the first advertising packet; discovering service of the user terminal by the reader that has transmitted the first advertising packet after the first authentication is performed; obtaining a first service data from the user terminal in response to the discovering service; discovering characteristic of the user terminal based on the first service data; and obtaining a first characteristic data from the user terminal in response to the discovering characteristic.
    Type: Grant
    Filed: May 16, 2022
    Date of Patent: August 15, 2023
    Assignee: MOCA SYSTEM INC.
    Inventors: Jae Hyun Kyung, Jong Keun Lee
  • Patent number: 11729376
    Abstract: A video decoding method according to the present disclosure includes determining a reference sample line for a current block, deriving an intra prediction mode for the current block, and performing intra prediction of the current block based on the reference sample line and the intra prediction mode.
    Type: Grant
    Filed: November 27, 2019
    Date of Patent: August 15, 2023
    Assignee: Apple Inc.
    Inventor: Bae Keun Lee
  • Patent number: 11722665
    Abstract: An image signal decoding method according to an embodiment of the present disclosure comprises the steps of: splitting a current picture into a plurality of tiles; decoding split information indicating a slice type, wherein the split information indicates whether a rectangular slice is to be applied; and when the split information indicates that the rectangular slice is to be applied, determining a slice on the basis of information indicating the size of a slice.
    Type: Grant
    Filed: October 18, 2021
    Date of Patent: August 8, 2023
    Assignee: XRIS CORPORATION
    Inventor: Bae Keun Lee
  • Publication number: 20230245617
    Abstract: A display device includes a display panel including a pixel that includes sub-pixels for emitting light in respective colors, and a driver configured to adjust a current amount flowing through the sub-pixels and to adjust an emission duty of the sub-pixels, drive one sub-pixel among the sub-pixels having a luminance with a first current amount and with a first emission duty when a color coordinate of an image expressed by the pixel is within a reference color space, and drive the one sub-pixel having the luminance with a second current amount that is greater than the first current amount and with a second emission duty that is less than the first emission duty when the color coordinate is outside of the reference color space.
    Type: Application
    Filed: November 14, 2022
    Publication date: August 3, 2023
    Inventors: Young Keun LEE, Min Kyung KIM, Hyo Sun KIM
  • Patent number: 11716467
    Abstract: A method for decoding a video according to the present invention may comprise: determining a first prediction mode for a first sub-block in a current block and a second intra prediction mode for a second sub-block, performing a first prediction for the first sub-block based on the first intra prediction mode, performing a second prediction for the second sub-block based on the second intra prediction mode, and obtaining a prediction sample of the current block according to a result of the first prediction and the second prediction.
    Type: Grant
    Filed: October 28, 2021
    Date of Patent: August 1, 2023
    Assignee: KT CORPORATION
    Inventor: Bae Keun Lee
  • Patent number: 11716471
    Abstract: An image decoding method according to the present invention may include splitting a picture into a plurality of tiles; and determining at least one slice on the basis of the plurality of tiles. Here, splitting a picture into a plurality of tiles may include: determining the width of a first tile column in the picture; and determining the width of a second tile column neighboring the first tile column.
    Type: Grant
    Filed: December 13, 2021
    Date of Patent: August 1, 2023
    Assignee: Apple Inc.
    Inventor: Bae Keun Lee
  • Publication number: 20230237744
    Abstract: The present application relates to an extended reality service providing method and system for operation of an industrial installation. More specifically, various types of data required for operation (e.g., inspection, examination, maintenance, repair, and reinforcement) of an industrial installation are digitalized, extended reality content, such as an augmented reality image or a mixed reality image based on the digitalized data, is provided to a site worker or a remote place manager, and the worker and the manager can communicate via a video call in real-time, whereby the work efficiency of the worker and the manager can be enhanced.
    Type: Application
    Filed: July 12, 2021
    Publication date: July 27, 2023
    Inventor: Jeong Keun LEE
  • Patent number: 11711520
    Abstract: According to the present invention, there is provided a method of decoding an image, the method including: deriving an initial motion vector of a current block; determining a motion refinement vector of the current block; and determining a motion vector of the current block on the basis of the initial motion vector and the motion refinement vector. Herein, the initial motion vector is derived from any one of merge candidates included in a merge candidate list for the current block.
    Type: Grant
    Filed: September 8, 2021
    Date of Patent: July 25, 2023
    Assignee: KT CORPORATION
    Inventor: Bae Keun Lee
  • Patent number: 11711534
    Abstract: An image decoding method according to the present invention comprises the steps of: referring to a first flag for indicating whether intra block-based delta pulse code modulation (BDPCM) signaled through a sequence parameter set is permitted, so as to determine whether a second flag for indicating whether the intra BDPCM is applied to a current block is parsed; determining whether the intra BDPCM is applied to the current block on the basis of the second flag; determining an intra BDPCM mode of the current block when it is determined that the intra BDPCM is applied to the current block; and acquiring a residual sample of the current block on the basis of the intra BDPCM mode.
    Type: Grant
    Filed: February 27, 2020
    Date of Patent: July 25, 2023
    Assignee: Apple Inc.
    Inventor: Bae Keun Lee
  • Patent number: 11706446
    Abstract: An image decoding method according to the present invention may comprise determining an intra prediction mode of a current block, deriving reference samples of the current block, and obtaining a prediction sample of the current block using at least one of the reference samples.
    Type: Grant
    Filed: October 25, 2021
    Date of Patent: July 18, 2023
    Assignee: KT CORPORATION
    Inventor: Bae Keun Lee
  • Publication number: 20230224473
    Abstract: The present invention is related to processing a video signal. A method for decoding a video according to the present invention may comprise checking a merge coding unit which is generated by merging a plurality of coding units neighboring each other based on an encoded syntax element, and decoding the checked merge coding unit, wherein a same motion vector is shared in the merge coding unit.
    Type: Application
    Filed: March 13, 2023
    Publication date: July 13, 2023
    Applicant: KT CORPORATION
    Inventor: Bae Keun LEE
  • Patent number: 11700392
    Abstract: A method for decoding a video according to the present invention may comprise: determining an intra prediction mode of a current block, deriving reference samples from neighboring samples of the current block, obtaining a first prediction sample for the current block, based on the intra prediction mode and the reference samples, determining an offset for the first prediction sample, and obtaining a second prediction sample by applying the offset to the first prediction sample.
    Type: Grant
    Filed: November 17, 2021
    Date of Patent: July 11, 2023
    Assignee: KT CORPORATION
    Inventor: Bae Keun Lee
  • Patent number: 11700366
    Abstract: A method of video decoding according to the present invention may comprise determining an intra prediction mode of a current block, determining a DC value based on at least one of top reference samples or left reference samples of the current block when the intra prediction mode of the current block is a DC mode, and deriving a prediction sample of the current block based on the DC value.
    Type: Grant
    Filed: October 21, 2021
    Date of Patent: July 11, 2023
    Assignee: KT CORPORATION
    Inventor: Bae Keun Lee
  • Patent number: 11700389
    Abstract: A method for decoding a video according to the present invention may comprise: decoding information indicating whether a non-zero transform coefficient exists in a current block, when the information indicates that the non-zero transform coefficient exists in the current block, determining a scanning order of the current block, and decoding a transform coefficient included in the current block according to the determined scanning order.
    Type: Grant
    Filed: September 27, 2021
    Date of Patent: July 11, 2023
    Assignee: KT CORPORATION
    Inventor: Bae Keun Lee
  • Publication number: 20230217593
    Abstract: A package substrate according to an embodiment includes an insulating layer; a first outer circuit pattern disposed on an upper surface of the insulating layer; a second outer circuit pattern disposed under a lower surface of the insulating layer; a first connection portion disposed on an upper surface of a first-first circuit pattern of the first outer circuit pattern; a first contact portion disposed on the first connection portion; a first device disposed on the first connection portion through the first contact portion; a second contact portion disposed under a lower surface of a second-first circuit pattern of the second outer circuit pattern; a second device attached to the second-first circuit pattern through the second contact portion; and a second connection portion disposed under a lower surface of a second-second circuit pattern of the second outer circuit pattern; wherein the first connection portion is disposed with a first width and a first interval, and wherein the second connection portion is
    Type: Application
    Filed: May 26, 2021
    Publication date: July 6, 2023
    Inventors: Il Sik NAM, Dong Keun LEE, Hye Jin JO
  • Patent number: 11695952
    Abstract: An image decoding method according to the present invention comprises the steps of: deriving a merge candidate of a current block from a neighboring block of the current block; adding the derived merge candidate to a merge candidate list; when the number of merge candidates previously added to the merge candidate list is less than a threshold value, adding at least one prediction area merge candidate included in a prediction area motion information table to the merge candidate list; deriving motion information about the current block on the basis of the merge candidate list; and performing motion compensation on the current block on the basis of the derived motion information.
    Type: Grant
    Filed: December 30, 2021
    Date of Patent: July 4, 2023
    Assignee: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
    Inventor: Bae Keun Lee