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: 11785251
    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: October 10, 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: 11785247
    Abstract: A video decoding apparatus is provided for decoding pictures using inter-prediction. The video decoding apparatus includes a predictor that generates affine prediction samples for respective subblocks in a target block in a current picture to be decoded by performing affine motion prediction on a subblock-by-subblock basis using control point motion vectors which respectively correspond to corners of the target block. The predictor also modifies sample values of the affine prediction samples by executing a first coding tool, the first coding tool compensating for motion according to sample positions in each of the subblocks using the control point motion vectors.
    Type: Grant
    Filed: July 20, 2022
    Date of Patent: October 10, 2023
    Assignees: Hyundai Motor Company, Kia Corporation, Ewha University-Industry Collaboration Foundation
    Inventors: Je Won Kang, Seung Wook Park, Wha Pyeong Lim
  • METHOD AND SYSTEM FOR COLLECTING AND MANAGING VEHICLE-GENERATED DATA
    Publication number: 20230311936
    Abstract: A data recording system of a vehicle comprises: a first data recorder for recording a plurality of pieces of interaction data indicating time-stamped interactions generated between a driver and an autonomous driving system of the vehicle during driving; and a second data recorder for recording event data indicating a vehicle state during a predetermined period of time before and after occurrence of a pre-defined event. The data recording system of the vehicle is configured to upload the plurality of pieces of interaction data to a remote server according to a pre-defined schedule, while uploading, in response to occurrence of an event, main interaction data that is at least one piece of interaction data recorded in proximity to an occurrence time point of the event, to the remote server together with the event data or subsequent to the event data.
    Type: Application
    Filed: June 21, 2021
    Publication date: October 5, 2023
    Applicants: Hyundai Motor Company, Kia Corporation
    Inventors: Seung Wook PARK, Wha Pyeong LIM
  • VIDEO ENCODING AND DECODING METHOD AND APPARATUS USING SUBBLOCK BASED INTRA PREDICTION
    Publication number: 20230319307
    Abstract: A video encoding/decoding method and an apparatus using intra prediction per subblock basis are provided. The video encoding/decoding method and apparatus modify the intra prediction mode of a current block in a direction suitable for a subpartitioned block by considering the shape of the subpartitioned block, the direction of subpartitioning, and the prediction direction of the current block. Based on the modified intra prediction mode of the current block, the video encoding/decoding method and apparatus generate an intra prediction mode of the subpartitioned block to perform intra prediction per subblock basis effectively.
    Type: Application
    Filed: May 9, 2023
    Publication date: October 5, 2023
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION, RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITY
    Inventors: Byeung Woo Jeon, Bum Yoon Kim, Jee Yoon Park, Seung Wook Park
  • Method and apparatus for intra-prediction coding of video data
    Patent number: 11778174
    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: October 3, 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
  • Cooperative adaptive cruise control system based on driving pattern of target vehicle
    Patent number: 11772652
    Abstract: A cooperative adaptive cruise control (CACC) system acquires a driving pattern of a target vehicle and variably provides an inter-vehicle distance and a responsible speed level of a subject vehicle that are followed by the CACC system based on the driving pattern. The CACC system includes a communication unit receiving vehicle information and road information of a region in which the subject vehicle travels; an information collection unit collecting driving information of a forward vehicle, vehicle information of the subject vehicle, and the road information; and a control unit controlling the inter-vehicle distance and the responsible speed level of the CACC system based on the driving pattern of the target vehicle according to generated control information.
    Type: Grant
    Filed: August 19, 2022
    Date of Patent: October 3, 2023
    Assignees: Hyundai Motor Company, Kia Corporation
    Inventors: Yoon Soo Kim, Dong Gyu Noh, In Yong Jung, Su Lyun Sung, Seung Wook Park, Jong Rok Park, Cho Rong Ryu, Jun Sik Hwang, Min Byeong Lee, Hahk Rel Noh, Dae Sung Hwang
  • 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 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 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
  • Method and apparatus for controlling coding tools
    Patent number: 11770533
    Abstract: A method and device for controlling coding tools are provided. The video decoding method includes decoding, from a high level of a bitstream, an enable flag indicating whether one or more coding tools are enabled. The coding tools includes a first coding tool that encodes sample values using luma component mapping based on a piecewise linear model. The method includes acquiring a value of an application flag depending on a value of the enable flag, by setting the application flag indicating whether to apply the coding tools to a predetermined value, or by decoding the application flag from a low level of the bitstream, the application flag including a first application flag indicating whether to apply the first coding tool. The coding tools are operated when the value of the application flag is a value indicating that the coding tools are applied.
    Type: Grant
    Filed: October 12, 2022
    Date of Patent: September 26, 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 controlling coding tools
    Patent number: 11770532
    Abstract: A method and device for controlling coding tools are provided. The video decoding method includes decoding, from a high level of a bitstream, an enable flag indicating whether one or more coding tools are enabled. The coding tools includes a first coding tool that encodes sample values using luma component mapping based on a piecewise linear model. The method includes acquiring a value of an application flag depending on a value of the enable flag, by setting the application flag indicating whether to apply the coding tools to a predetermined value, or by decoding the application flag from a low level of the bitstream, the application flag including a first application flag indicating whether to apply the first coding tool. The coding tools are operated when the value of the application flag is a value indicating that the coding tools are applied.
    Type: Grant
    Filed: October 12, 2022
    Date of Patent: September 26, 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
  • VIDEO CODEC USING DEEP LEARNING MODEL BASED ON BLOCK
    Publication number: 20230300347
    Abstract: A video codec uses a block-based deep learning model. The video codec, when processing video blocks by using a deep learning model, generates a super block by stacking or packing the respective ones of YUV video blocks and inputs the generated super block to the deep learning model.
    Type: Application
    Filed: May 26, 2023
    Publication date: September 21, 2023
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION, EWHA UNIVERSITY - INDUSTRY COLLABORATION FOUNDATION
    Inventors: Je Won Kang, Seung Wook Park
  • VIDEO CODING METHOD AND APPARATUS USING INTRA PREDICTION
    Publication number: 20230300325
    Abstract: The present disclosure is related to a video encoding/decoding method and an apparatus using an intra prediction. The video encoding/decoding method and apparatus generate a predictor by performing a direction-based prediction and generate a predictor by performing a rule-based (or matrix operation-based) prediction. The video encoding/decoding method and apparatus combine the two predictors to generate a final intra predictor of the current block.
    Type: Application
    Filed: May 25, 2023
    Publication date: September 21, 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 MAPPING FUNCTION
    Publication number: 20230300382
    Abstract: The present disclosure relates to a point cloud coding device and a method using a mapping function. The point cloud coding device and method compress attribute values of a point cloud by generating a piecewise linear function that is a nonlinear mapping function based on a distribution of the attribute values. The point cloud coding device and method map the attribute values to values within a limited range by utilizing the nonlinear mapping function.
    Type: Application
    Filed: May 26, 2023
    Publication date: September 21, 2023
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION, DIGITALINSIGHTS INC.
    Inventors: Yong Jo Ahn, Jong Seok Lee, Seung Wook Park
  • Method and apparatus for encoding and decoding video using inter-prediction
    Patent number: 11765382
    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: September 19, 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
  • Intra prediction method of chrominance block using luminance sample, and apparatus using same
    Patent number: 11765385
    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: May 4, 2022
    Date of Patent: September 19, 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
  • INTRA PREDICTION IN IMAGE PROCESSING
    Publication number: 20230291911
    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: Application
    Filed: May 2, 2023
    Publication date: September 14, 2023
    Inventors: Yong Joon JEON, Seung Wook PARK, Jung Sun KIM, Joon Young PARK, Byeong Moon JEON, Jae Hyun LIM
  • VIDEO ENCODING AND DECODING USING DEEP LEARNING BASED INTER PREDICTION
    Publication number: 20230291926
    Abstract: A video encoding or decoding apparatus and method perform existing inter prediction on a current block to generate a motion vector and predicted samples. The video encoding or decoding apparatus and method generate enhanced predicted samples for the current block using a deep learning-based video prediction network (VPN) on the basis of the motion vector, the reference samples, the predicted samples, and the like to improve encoding efficiency.
    Type: Application
    Filed: August 6, 2021
    Publication date: September 14, 2023
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION, EWHA UNIVERSITY - INDUSTRY COLLABORATION FOUNDATION
    Inventors: Je Won Kang, Seung Wook Park, Wha Pyeong Lim
  • METHOD AND APPARATUS FOR INTRA PREDICTION USING BLOCK COPY BASED ON GEOMETRIC TRANSFORM
    Publication number: 20230291932
    Abstract: The present disclosure is related to an intra prediction method and an apparatus using block copy based on geometric transform. The intra prediction method and apparatus derive a reference block vector at each vertex of a current block and perform a geometric transform on the reference block vectors to generate reference blocks of various shapes that are not constrained to rectangular shapes. The intra prediction method and apparatus calculate a sub-block-vector for each pixel or group of pixels of the current block using the reference block vectors.
    Type: Application
    Filed: May 16, 2023
    Publication date: September 14, 2023
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION, KWANGWOON UNIVERSITY INDUSTRY-ACADEMIC COLLABORATION FOUNDATION
    Inventors: Jun Taek Park, Han Sol Choi, Dong Gyu Sim, Seung Wook Park
  • METHOD AND APPARATUS FOR GENERATING RESIDUAL SIGNALS USING REFERENCE BETWEEN COMPONENTS
    Publication number: 20230291914
    Abstract: The present disclosure is related to a method and an apparatus for generating residual signals using reference between components. The video encoding/decoding apparatus and method derive residual signals of a chroma component of a current block. In deriving the residual signals of the chroma component, the video encoding/decoding apparatus and method use the residual signals of a previously reconstructed block without transmitting residual signals of part of the chroma component of the current block.
    Type: Application
    Filed: May 16, 2023
    Publication date: September 14, 2023
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION, KWANGWOON UNIVERSITY INDUSTRY-ACADEMIC COLLABORATION FOUNDATION
    Inventors: Han Sol Choi, Jun Taek Park, Dong Gyu Sim, Seung Wook Park