Patents by Inventor Seung Wook Park

Seung Wook Park 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 and decoding video using inter-prediction
    Patent number: 11683482
    Abstract: Image decoding of decoding a sequence of coded pictures on a block-by-block basis is provided. The image decoding incudes decoding a first high-level syntax element from a bitstream to determine, at a sequence level, whether affine motion prediction is allowed. A second high-level syntax element is extracted for each of at least one coding tool from the bitstream depending on the first high-level syntax element. At a picture level, the method determines whether each of the at least one coding tool is allowed. The coding tool includes sample-by-sample adjustment of affine motion prediction samples.
    Type: Grant
    Filed: September 13, 2021
    Date of Patent: June 20, 2023
    Assignees: Hyundai Motor Company, Kia Corporation, Ewha University—Industry Collaboration Foundation
    Inventors: Je Won Kang, Sang Hyo Park, Seung Wook Park, Wha Pyeong Lim
  • Method and apparatus for encoding and decoding video using inter-prediction
    Patent number: 11683481
    Abstract: Image decoding of decoding a sequence of coded pictures on a block-by-block basis is provided. The image decoding incudes decoding a first high-level syntax element from a bitstream to determine, at a sequence level, whether affine motion prediction is allowed. A second high-level syntax element is extracted for each of at least one coding tool from the bitstream depending on the first high-level syntax element. At a picture level, the method determines whether each of the at least one coding tool is allowed. The coding tool includes sample-by-sample adjustment of affine motion prediction samples.
    Type: Grant
    Filed: September 13, 2021
    Date of Patent: June 20, 2023
    Assignees: Hyundai Motor Company, Kia Corporation, Ewha University-Industry Collaboration Foundation
    Inventors: Je Won Kang, Sang Hyo Park, Seung Wook Park, Wha Pyeong Lim
  • Method and apparatus for encoding and decoding video using inter-prediction
    Patent number: 11683483
    Abstract: Image decoding of decoding a sequence of coded pictures on a block-by-block basis is provided. The image decoding incudes decoding a first high-level syntax element from a bitstream to determine, at a sequence level, whether affine motion prediction is allowed. A second high-level syntax element is extracted for each of at least one coding tool from the bitstream depending on the first high-level syntax element. At a picture level, the method determines whether each of the at least one coding tool is allowed. The coding tool includes sample-by-sample adjustment of affine motion prediction samples.
    Type: Grant
    Filed: September 13, 2021
    Date of Patent: June 20, 2023
    Assignees: Hyundai Motor Company, Kia Motors Corporation, Ewha University-Industry Collaboration Foundation
    Inventors: Je Won Kang, Sang Hyo Park, Seung Wook Park, Wha Pyeong Lim
  • Method and apparatus for intra-prediction coding of video data involving matrix-based intra-prediction
    Patent number: 11683486
    Abstract: An apparatus for decoding video data includes a decoder configured to decode, from a bitstream, a syntax element indicating an intra-prediction type of a current block of the video data, and an intra-predictor configured to generate a prediction block for the current block by selectively performing matrix based intra-prediction (MIP) or regular intra-prediction based on the intra-prediction type of the current block indicated by the syntax element.
    Type: Grant
    Filed: November 5, 2021
    Date of Patent: June 20, 2023
    Assignees: Hyundai Motor Company, Kia Corporation, Ewha University-Industry Collaboration Foundation
    Inventors: Je Won Kang, Sang Hyo Park, Seung Wook Park, Wha Pyeong Lim
  • METHOD AND APPARATUS FOR PATCH BOOK-BASED ENCODING AND DECODING OF VIDEO DATA
    Publication number: 20230188709
    Abstract: Disclosed are a method and an apparatus for patch book-based encoding and decoding of video data. A video data decoding method comprises the steps of: determining a patch book list for a block of video data; and determining one or more index values for the block. Each of the index values indicates a patch book entry having color values corresponding to a subset of pixels in the block, among patch book entries of the patch book list. The decoding method further comprises a step of reconstructing subsets of the pixels on the basis of the patch book list and the index values for the block.
    Type: Application
    Filed: February 2, 2023
    Publication date: June 15, 2023
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION, KWANGWOON UNIVERSITY INDUSTRY-ACADEMIC COLLABORATION FOUNDATION
    Inventors: Dong Gyu Sim, Joo Hyung Byeon, Sea Nae Park, Seung Wook Park, Wha Pyeong Lim
  • Intra prediction method and encoding apparatus and decoding apparatus using same
    Patent number: 11677961
    Abstract: An intra prediction method and a device using the intra prediction method are provided. The intra prediction method includes the steps of: deriving a current prediction mode as a prediction mode of a current block; constructing neighboring samples of the current block with available reference samples; filtering the available reference samples; and generating predicted samples of the current block on the basis of the filtered available reference samples. The filtering step includes performing the filtering using the available reference sample located in the prediction direction of the current prediction mode and a predetermined number of available reference samples neighboring to the prediction direction of the current prediction mode.
    Type: Grant
    Filed: July 15, 2021
    Date of Patent: June 13, 2023
    Assignee: LG ELECTRONICS INC.
    Inventors: Yong Joon Jeon, Seung Wook Park, Jung Sun Kim, Joon Young Park, Byeong Moon Jeon, Jae Hyun Lim
  • Intra prediction method of chrominance block using luminance sample, and apparatus using same
    Patent number: 11677977
    Abstract: Disclosed are an intra prediction method of a chrominance block using a luminance sample and an apparatus using the same. An image decoding method comprises the steps of: calculating an intra prediction mode of a chrominance block on the basis of an LM mapping table when the chrominance block uses an LM; and generating a prediction block for the chrominance block on the basis of the calculated intra prediction mode of the chrominance block. When intra prediction mode information of chrominance blocks are decoded, mutually different tables are used depending on whether or not an LM is used, so that encoding and decoding can be performed without an unnecessary waste of bits.
    Type: Grant
    Filed: October 20, 2021
    Date of Patent: June 13, 2023
    Assignee: LG Electronics Inc.
    Inventors: Yong Joon Jeon, Seung Wook Park, Jae Hyun Lim, Jung Sun Kim, Joon Young Park, Young Hee Choi, Jae Won Sung, Byeong Moon Jeon
  • Method for collecting and managing event data of a vehicle
    Patent number: 11677568
    Abstract: A method for collecting and managing event data of a vehicle can be performed by one or more computing systems. The method includes acquiring event data generated by an event data recorder mounted on a vehicle and a first certificate assigned to the vehicle, associating the event data with the first certificate, storing the event data in a first database, acquiring the first certificate and a second certificate assigned to the vehicle, associating the first certificate with the second certificate, and storing the first certificate in a second database.
    Type: Grant
    Filed: January 9, 2020
    Date of Patent: June 13, 2023
    Assignees: Hyundai Motor Company, Kia Corporation
    Inventors: Jung Hei Ryu, Seung Wook Park, Wha Pyeong Lim
  • Method and apparatus for encoding and decoding video using inter-prediction
    Patent number: 11677937
    Abstract: Image decoding of decoding a sequence of coded pictures on a block-by-block basis is provided. The image decoding incudes decoding a first high-level syntax element from a bitstream to determine, at a sequence level, whether affine motion prediction is allowed. A second high-level syntax element is extracted for each of at least one coding tool from the bitstream depending on the first high-level syntax element. At a picture level, the method determines whether each of the at least one coding tool is allowed. The coding tool includes sample-by-sample adjustment of affine motion prediction samples.
    Type: Grant
    Filed: September 13, 2021
    Date of Patent: June 13, 2023
    Assignees: Hyundai Motor Company, Kia Corporation, Ewha University-Industry Collaboration Foundation
    Inventors: Je Won Kang, Sang Hyo Park, Seung Wook Park, Wha Pyeong Lim
  • ACOUSTIC WAVE RESONATOR PACKAGE
    Publication number: 20230179170
    Abstract: An acoustic wave resonator package includes an acoustic resonator comprising an acoustic wave generator on a surface of a substrate, a cover member disposed over the acoustic wave generator, a bonding member, disposed between the substrate and the cover member, to bond the substrate and the cover member to each other, and a wiring layer, disposed along surfaces of the cover member, connected to the acoustic resonator. Among the surfaces of the cover member, bonding surfaces to which the bonding member and the wiring layer are bonded at least partially have a roughness Rz in a range of 70 nm to 3.5 µm.
    Type: Application
    Filed: July 7, 2022
    Publication date: June 8, 2023
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Seung Wook PARK, Seong Hun NA, Jae Hyun JUNG, Sung HAN, Jang Ho PARK
  • VIDEO ENCODING AND DECODING USING ARBITRARY BLOCK PARTITIONING
    Publication number: 20230179762
    Abstract: A video decoding method for decoding a target block using intra prediction comprises decoding, from a bitstream, boundary line information specifying at least one boundary line for partitioning the target block. The boundary line information allows partitioning the target block into a plurality of non-rectangular blocks. The method further comprises determining intra prediction modes for the non-rectangular blocks based on the boundary line information; generating a prediction block of the target block by performing intra prediction on each of the non-rectangular blocks using the intra prediction modes; reconstructing a residual block of the target block from the bitstream; and reconstructing the target block by adding the prediction block and the residual block.
    Type: Application
    Filed: February 2, 2023
    Publication date: June 8, 2023
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION, KWANGWOON UNIVERSITY INDUSTRY-ACADEMIC COLLABORATION FOUNDATION
    Inventors: Dong Gyu Sim, Sea Nae Park, Jun Taek Park, Han Sol Choi, Seung Wook Park, Wha Pyeong Lim
  • METHOD AND APPARATUS FOR PARALLEL ENCODING AND DECODING OF MOVING PICTURE DATA
    Publication number: 20230179804
    Abstract: A method and an apparatus for parallel encoding and decoding of moving picture data are provided. The method includes decoding, from a bitstream, a syntax element indicating that a picture can be decoded using wavefront parallel processing and decoding encoded data of the picture. The step of decoding encoded data of the picture includes for a first coding block of a current CTU row encoded in a palette mode, predicting a palette table for the first coding block by using palette data from a first CTU of a previous CTU row and decoding the first coding block in the palette mode using the palette table predicted for the first coding block.
    Type: Application
    Filed: December 11, 2022
    Publication date: June 8, 2023
    Inventors: Dong Gyu Sim, Sea Nae Park, Joo Hyung Byeon, Seung Wook Park, Wha Pyeong Lim
  • Method and apparatus for encoding and decoding video using inter-prediction
    Patent number: 11671622
    Abstract: A coding tool is provided to improve the compression performance of inter prediction and is used at the encoder/decoder side to adjust the correction of a motion vector based on a high level syntax. In addition, a method is provided for simply performing an integer sample search step of searching for an integer offset and a fractional sample refinement step of searching for a sub-pixel offset in relation to motion vector refinement among coding tools.
    Type: Grant
    Filed: July 27, 2022
    Date of Patent: June 6, 2023
    Assignees: Hyundai Motor Company, Kia Corporation, Ewha University-Industry Collaboration Foundation
    Inventors: Je Won Kang, Sang Hyo Park, Seung Wook Park, Wha Pyeong Lim
  • Method and apparatus for decoding a video signal
    Patent number: 11665360
    Abstract: The present invention includes obtaining block type identification information on a partition of the current macroblock when the current macroblock is intra-mixed, specifying a bock type of the current macroblock based on the block type identification information, obtaining an ultra prediction mode of the current macroblock according to the block type of the partition of the current macroblock, and predicting the current macroblock using the intra prediction mode and a pixel value of a neighboring block.
    Type: Grant
    Filed: December 28, 2021
    Date of Patent: May 30, 2023
    Assignee: LG ELECTRONICS INC.
    Inventors: Joon Young Park, Seung Wook Park, Jung Sun Kim, Young Hee Choi, Byeong Moon Jeon
  • Control apparatus and method for improving fuel efficiency in CACC system
    Patent number: 11654906
    Abstract: Disclosed herein is a control apparatus and method for improving fuel efficiency in a CACC system, which can improve fuel efficiency through control of a vehicle speed so that a vehicle travels using an optimized cost in consideration of a target vehicle speed, current vehicle speed, minimum driving speed set in the vehicle, and a deceleration distance if the vehicle that uses the CACC system senses a forward vehicle and enters into a CACC active mode. The control method for improving fuel efficiency in a CACC system includes setting a target speed profile based on a target speed of the subject vehicle and an expected driving path, determining whether a target vehicle to be followed by the subject vehicle exists, and controlling the driving speed of the subject vehicle according to the set target speed profile depending on whether or not the target vehicle exists.
    Type: Grant
    Filed: January 21, 2021
    Date of Patent: May 23, 2023
    Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: Yoon Soo Kim, Dong Gyu Noh, In Yong Jung, Su Lyun Sung, Seung Wook Park, Jong Rok Park, Kyung Joo Bang, Cho Rong Ryu, Min Byeong Lee, Hahk Rel Noh, Dae Sung Hwang
  • METHOD AND APPARATUS FOR INTRA-PREDICTION CODING OF VIDEO DATA
    Publication number: 20230156209
    Abstract: A method and apparatus for intra-prediction coding of video data are provided. The apparatus includes a decoder that is configured to decode, from a bitstream, a syntax element indicating an intra-prediction type of a current block of the video data, and an intra-predictor that is configured to generate a prediction block for the current block by selectively performing matrix based intra-prediction or regular intra-prediction based on the intra-prediction type of the current block indicated by the syntax element.
    Type: Application
    Filed: January 5, 2023
    Publication date: May 18, 2023
    Inventors: Je Won Kang, Sang Hyo Park, Seung Wook Park, Wha Pyeong Lim
  • Method and System for Recording and Managing Vehicle-Generated Data
    Publication number: 20230145574
    Abstract: An embodiment vehicle system includes a telecommunication device that enables communication between a vehicle and a remote server, a first data recorder configured to store, in a first internal storage, a plurality of interaction data indicating timestamped interactions that occur between an autonomous driving system of the vehicle and a driver while driving and configured to protect main interaction data of the plurality of interaction data that is stored proximate to a point in time of an occurrence of a predefined event from being overwritten with new interaction data without first being uploaded to the remote server, and a second data recorder configured to store, in a second internal storage, event data indicating a state of the vehicle for a predetermined time before and after the event occurs.
    Type: Application
    Filed: March 11, 2021
    Publication date: May 11, 2023
    Inventors: Seung Wook Park, Wha Pyeong Lim
  • METHOD AND APPARATUS FOR INTRA-PREDICTION CODING OF VIDEO DATA
    Publication number: 20230143740
    Abstract: A method and apparatus for intra-prediction coding of video data are provided. The apparatus includes a decoder that is configured to decode, from a bitstream, a syntax element indicating an intra-prediction type of a current block of the video data, and an intra-predictor that is configured to generate a prediction block for the current block by selectively performing matrix based intra-prediction or regular intra-prediction based on the intra-prediction type of the current block indicated by the syntax element.
    Type: Application
    Filed: January 5, 2023
    Publication date: May 11, 2023
    Inventors: Je Won Kang, Sang Hyo Park, Seung Wook Park, Wha Pyeong Lim
  • METHOD AND APPARATUS FOR INTRA-PREDICTION CODING OF VIDEO DATA
    Publication number: 20230141470
    Abstract: A method and apparatus for intra-prediction coding of video data are provided. The apparatus includes a decoder that is configured to decode, from a bitstream, a syntax element indicating an intra-prediction type of a current block of the video data, and an intra-predictor that is configured to generate a prediction block for the current block by selectively performing matrix based intra-prediction or regular intra-prediction based on the intra-prediction type of the current block indicated by the syntax element.
    Type: Application
    Filed: January 5, 2023
    Publication date: May 11, 2023
    Inventors: Je Won Kang, Sang Hyo Park, Seung Wook Park, Wha Pyeong Lim
  • VIDEO ENCODING AND DECODING USING ADAPTIVE COLOR TRANSFORM
    Publication number: 20230130958
    Abstract: Disclosed is a method for video encoding and decoding using adaptive color transform on a residual signal. In particular, the maximum memory size required for adaptive color transform is limited by: controlling whether to allow color space conversion on a sequence level according to a syntax element indicating the maximum conversion size allowed for a sequence of pictures; or controlling whether to apply color space conversion on a block level according to the size of a coding block.
    Type: Application
    Filed: January 14, 2021
    Publication date: April 27, 2023
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION, EWHA UNIVERSITY - INDUSTRY COLLABORATION FOUNDATION
    Inventors: Je Won Kang, Seung Wook Park, Wha Pyeong Lim