Patents by Inventor Hendry Hendry

Hendry Hendry 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).

  • IMAGE DECODING METHOD AND DEVICE THEREFOR
    Publication number: 20230328266
    Abstract: A method for decoding an image by a decoding device, according to the present disclosure, can signal picture partitioning related information on the basis of a flag indicating whether sub-picture information exists and a flag indicating whether subpictures each include a single slice.
    Type: Application
    Filed: November 27, 2020
    Publication date: October 12, 2023
    Inventors: Hendry HENDRY, Seethal PALURI, Seunghwan KIM
  • Image encoding/decoding method and device on basis of wrap-around motion compensation, and recording medium storing bitstream
    Patent number: 11785245
    Abstract: An image encoding/decoding method and apparatus are provided. An image decoding method performed by an image decoding apparatus comprises obtaining inter prediction information of a current block and wraparound information from a bitstream, and generating a prediction block of the current block based on the inter prediction information and the wraparound information. The wraparound information may comprise a first flag specifying whether wraparound motion compensation is enabled for a current picture including the current block.
    Type: Grant
    Filed: September 26, 2022
    Date of Patent: October 10, 2023
    Assignee: LG Electronics Inc.
    Inventors: Hendry Hendry, Seethal Paluri, Seung Hwan Kim
  • IMAGE ENCODING/DECODING METHOD AND APPARATUS FOR DETERMINING SUBLAYER ON BASIS OF WHETHER OR NOT TO MAKE REFERENCE BETWEEN LAYERS, AND METHOD FOR TRANSMITTING BITSTREAM
    Publication number: 20230319302
    Abstract: An image encoding/decoding method and apparatus is provided. The image decoding method performed by the image decoding apparatus may comprise determining inter-layer direct reference and determining the number of sublayers of a current layer based on the inter-layer direct reference.
    Type: Application
    Filed: March 31, 2021
    Publication date: October 5, 2023
    Inventors: Hendry HENDRY, Seethal PALURI, Seung Hwan KIM
  • METHOD AND DEVICE FOR CREATING/RECEIVING MEDIA FILE CONTAINING LAYER INFORMATION, AND MEDIA FILE TRANSFER METHOD
    Publication number: 20230319374
    Abstract: A method and apparatus for generating/receiving a media file including layer/sublayer information and a method of transmitting the media file are provided. The media file receiving method comprises obtaining one or more tracks and sample groups from a media file and processing video data in the media file, by reconstructing samples included in the tracks based on the sample groups. Based on that a current track of the tracks comprises a plurality of layers or sublayers and a predetermined first sample group is present for the current track, the current track may comprise layer information for the plurality of layers or sublayers.
    Type: Application
    Filed: December 15, 2021
    Publication date: October 5, 2023
    Inventor: Hendry HENDRY
  • VIDEO ENCODING AND DECODING METHOD AND APPARATUS USING SAME
    Publication number: 20230319320
    Abstract: The present invention relates to video encoding and decoding method and apparatus, and a video encoding method according to the present invention comprises the steps of: entropy-encoding quantized transform information; and transmitting the entropy-encoded information as a bitstream, wherein the bitstream includes information indicating pieces of information to be parallel decoded in byte units.
    Type: Application
    Filed: June 2, 2023
    Publication date: October 5, 2023
    Inventors: Hendry HENDRY, Byeongmoon JEON, Yongjoon JEON, Seungwook PARK, Jungsun KIM, Joonyoung PARK, Jaehyun LIM, Naeri PARK, Chulkeun kim
  • Video encoding method, video decoding method, and device using same
    Patent number: 11778212
    Abstract: The present invention relates to a video encoding method, a video decoding method, and a device using the same, and the video encoding method according to the present invention comprises the steps of: specifying a tile and a slice by partitioning an inputted picture; performing encoding on the basis of the tile and the slice; and transmitting the encoded video information, wherein the picture is partitioned into one or more tiles and one or more slices, and the restrictions for parallel processing can be applied to the tiles and the slices.
    Type: Grant
    Filed: October 15, 2021
    Date of Patent: October 3, 2023
    Assignee: LG ELECTRONICS INC.
    Inventors: Hendry Hendry, Joonyoung Park, Yongjoon Jeon, Byeongmoon Jeon, Jungsun Kim, Jaehyun Lim, Chulkeun Kim, Naeri Park, Seungwook Park
  • METHOD AND APPARATUS FOR ENCODING/DECODING IMAGE ON BASIS OF CPI SEI MESSAGE, AND RECORDING MEDIUM HAVING BITSTREAM STORED THEREIN
    Publication number: 20230308674
    Abstract: An image encoding/decoding method and apparatus are provided. The image encoding method comprises deriving information for a composite picture generated from one or more source pictures and generating a bitstream by encoding a single composite picture information (CPI) supplemental enhancement information (SEI) message including the information for the composite picture. The composite picture may comprise one or more patches obtained from the source pictures, the information for the composite picture may comprise first information for a source area corresponding to each of the patches in the source pictures and second information for a patch area covered by each of the patches in the composite picture, and each layer including the source pictures may be an output layer.
    Type: Application
    Filed: August 19, 2021
    Publication date: September 28, 2023
    Inventors: Hendry HENDRY, Hyeong Moon JANG, Jaehyun LIM, Seung Hwan KIM
  • METHOD AND DEVICE FOR ENTROPY CODING/DECODING
    Publication number: 20230308656
    Abstract: The present invention relates to an entropy decoding method which includes: generating context related to a bin that forms a codeword of a syntax element; and performing arithmetic decoding of the bin based on the context.
    Type: Application
    Filed: May 25, 2023
    Publication date: September 28, 2023
    Inventors: Jaehyun LIM, Byeongmoon JEON, Yongjoon JEON, Seungwook PARK, Jungsun KIM, Joonyoung PARK, Hendry HENDRY, Naeri PARK, Chulkeun KIM
  • IMAGE ENCODING/DECODING METHOD AND APPARATUS FOR SIGNALING PICTURE OUTPUT TIMING INFORMATION, AND COMPUTER-READABLE RECORDING MEDIUM STORING BITSTREAM
    Publication number: 20230308689
    Abstract: An image encoding/decoding method and apparatus are provided. An image decoding method according to the present disclosure may comprise obtaining a first flag specifying whether a network abstraction layer (NAL) hypothetical reference decoder (HRD) parameter is present in a bitstream and a second flag specifying whether a video coding layer (VCL) HRD parameter is present in the bitstream, obtaining a third flag specifying whether a temporal distance between output times of consecutive pictures in the bitstream has a fixed value, deriving output times of the pictures in the bitstream, based on at least one of the first flag, the second flag or the third flag, and processing the pictures in the bitstream based on the derived output times.
    Type: Application
    Filed: June 16, 2021
    Publication date: September 28, 2023
    Inventor: Hendry HENDRY
  • IMAGE ENCODING/DECODING METHOD AND APPARATUS FOR PERFORMING SUB-BITSTREAM EXTRACTION PROCESS ON BASIS OF MAXIMUM TIME IDENTIFIER, AND COMPUTER-READABLE RECORDING MEDIUM STORING BITSTREAM
    Publication number: 20230300350
    Abstract: An image encoding/decoding method and apparatus are provided. The image decoding method performed by the image decoding apparatus according to the present disclosure may include: obtaining, from a bitstream, maximum temporal identifier information indicating a maximum temporal identifier of a reference layer which is referred to for inter-layer prediction of a current layer; and performing, based on the maximum temporal identifier information, a sub-bitstream extraction process from the bitstream, wherein, in the sub-bitstream extraction process, among parameter sets of the reference layer, a parameter set not referred to for the inter-layer prediction of the current layer may be removed from the bitstream.
    Type: Application
    Filed: June 9, 2021
    Publication date: September 21, 2023
    Inventors: Hendry HENDRY, Seung Hwan KIM, Jung Hak NAM, Hyeong Moon JANG, Seethal PALURI
  • MIXED NAL UNIT TYPE BASED-VIDEO ENCODING/DECODING METHOD AND APPARATUS, AND METHOD FOR TRANSMITTING BITSTREAM
    Publication number: 20230300339
    Abstract: Disclosed herein are an image encoding and decoding method and apparatus. The image decoding method may include obtaining video coding layer (VCL) network abstraction layer (NAL) unit type information of a current picture from a bitstream, determining a NAL unit type of each of a plurality of slices included in the current picture, based on the obtained VCL NAL unit type information, and decoding the plurality of slices based on the determined NAL unit type. The current picture may include a first subpicture and a second subpicture having different NAL unit types based on that at least some of the plurality of slices have different NAL unit types, and a NAL unit type of the second subpicture may be determined based on a NAL unit type of the first subpicture.
    Type: Application
    Filed: May 22, 2023
    Publication date: September 21, 2023
    Inventor: Hendry HENDRY
  • IMAGE DECODING METHOD AND DEVICE USING DPB PARAMETER FOR OLS
    Publication number: 20230291892
    Abstract: An image decoding method performed by a decoding device according to the present document comprises the steps of: obtaining image information including an output layer set (OLS) decoded picture buffer (DPB) parameter index for a target OLS and DPB parameter information; deriving DPB parameter information for the target OLS on the basis of the OLS DPB parameter index; performing a picture management process on pictures of a DPB on the basis of the DPB parameter information for the target OLS; configuring a reference picture list for a current picture on the basis of the pictures of the DPB; and performing an inter prediction on a block in the current picture on the basis of the reference picture list.
    Type: Application
    Filed: May 16, 2023
    Publication date: September 14, 2023
    Inventor: Hendry HENDRY
  • IMAGE ENCODING/DECODING METHOD AND APPARATUS PERFORMING RESIDUAL PROCESSING BY USING ADAPTIVE COLOR SPACE TRANSFORMATION, AND METHOD FOR TRANSMITTING BITSTREAM
    Publication number: 20230291903
    Abstract: An image encoding/decoding method and apparatus are provided. The image decoding method performed by the image decoding apparatus, according to the present disclosure, may comprise the steps of: determining whether a color space transformation is applied to residual samples of a current block; determining quantization parameter of the current block on the basis of whether the color space transformation is applied; and determining a transformation coefficient of the current block on the basis of the quantization parameter. The step of determining the quantization parameter may be performed by limiting the range of an effective value of the quantization parameter such that a value of the quantization parameter has a value less than or equal to a predetermined upper value and greater than or equal to a predetermined lower value.
    Type: Application
    Filed: May 16, 2023
    Publication date: September 14, 2023
    Inventors: Jie ZHAO, Seung Hwan Kim, Hendry Hendry, Seethal Paluri
  • VIDEO ENCODING/DECODING METHOD AND APPARATUS FOR SIGNALING DPB PARAMETER, AND COMPUTER-READABLE RECORDING MEDIUM STORING BITSTREAM
    Publication number: 20230291934
    Abstract: An image encoding/decoding method and apparatus for signaling a VPS and a recording medium storing a bitstream are provided. An image decoding method may comprise obtaining first information indicating whether each output layer set (OLS) specified by a video parameter set (VPS) includes only one layer, obtaining second information indicating the number of decoded picture buffer (DPB) parameter syntax structures in the VPS, based on the first information, obtaining the DPB parameter syntax structures in the VPS based on the second information, and managing a DPB based on the DPB parameter syntax structures.
    Type: Application
    Filed: May 19, 2023
    Publication date: September 14, 2023
    Inventors: Seethal PALURI, Hendry HENDRY, Seung Hwan KIM
  • Image encoding/decoding method and device for signaling information related to sub picture and picture header, and method for transmitting bitstream
    Patent number: 11758172
    Abstract: Disclosed herein are an image encoding and decoding method and apparatus for signaling information on a subpicture and picture header, and a method of transmitting a bitstream. The image decoding method according to the present disclosure may include acquiring a first flag specifying whether information on a subpicture is present in a bitstream, acquiring a second flag specifying whether picture header information is present in a slice header, and decoding the bitstream based on the first flag and the second flag. When the first flag specifies that the information on the subpicture is present in the bitstream, the second flag may have a value specifying that the picture header information is not present in the slice header.
    Type: Grant
    Filed: July 12, 2022
    Date of Patent: September 12, 2023
    Assignee: LG ELECTRONICS INC.
    Inventor: Hendry Hendry
  • Method for intra prediction and device therefor
    Patent number: 11750838
    Abstract: A method for intra prediction comprises determining a first MPM candidate corresponding to a left-side candidate block on the basis of a position of the left-side candidate block adjacent to a left side of a current block; determining a second MPM candidate corresponding to an upper-end candidate block on the basis of a position of the upper-end candidate block adjacent to an upper end of the current block; generating an MPM candidate list including a plurality of MPM candidates, on the basis of the first MPM candidate and the second MPM candidate; and determining one MPM candidate of the plurality of the MPM candidates that constitute the MPM candidate list as an intra prediction mode of the current block, and performing intra prediction for the current block on the basis of the determined intra prediction mode to generate a prediction block corresponding to the current block.
    Type: Grant
    Filed: March 2, 2021
    Date of Patent: September 5, 2023
    Assignee: LG ELECTRONICS INC.
    Inventors: Jaehyun Lim, Seungwook Park, Yongjoon Jeon, Jungsun Kim, Hendry Hendry, Byeongmoon Jeon, Joonyoung Park, Chulkeun Kim, Naeri Park
  • IMAGE ENCODING/DECODING METHOD AND APPARATUS BASED ON SUBPICTURE INFORMATION ALIGNED BETWEEN LAYERS, AND RECORDING MEDIUM STORING BITSTREAM
    Publication number: 20230276065
    Abstract: Provided is an image encoding/decoding method and apparatus. The image decoding method comprises obtaining subpicture information from a bitstream, deriving one or more subpictures in a current picture based on the subpicture information, and decoding a current subpicture in the current picture based on the subpicture information. The subpicture information may comprise a first flag specifying whether each of the one or more subpictures is treated as a picture, and, based on the bitstream including at least one first layer referring to a current layer including the current picture, the first flag for the first subpicture included in a first layer and corresponding to the current subpicture, and the first flag for the current subpicture have the same value.
    Type: Application
    Filed: March 31, 2021
    Publication date: August 31, 2023
    Inventors: Hendry HENDRY, Seung Hwan KIM, Seethal PALURI
  • Filtering-based image coding device and method
    Patent number: 11743468
    Abstract: According to embodiments of the present document, information for carrying out in-loop filtering across virtual boundaries can be efficiently signaled. For example, in-loop filtering can be carried out on the basis of signaling of information which is related to whether in-loop filtering across virtual boundaries is enabled or not.
    Type: Grant
    Filed: May 16, 2022
    Date of Patent: August 29, 2023
    Assignee: LG Electronics Inc.
    Inventors: Hendry Hendry, Seethal Paluri, Seunghwan Kim
  • Image encoding/decoding method and apparatus for selectively encoding size information of rectangular slice, and method for transmitting bitstream
    Patent number: 11743469
    Abstract: Disclosed herein are an image encoding/decoding method and apparatus. An image decoding method performed by an image encoding apparatus may include acquiring size information indicating a size of a current slice corresponding to at least a portion of a current picture from a bitstream and determining the size of the current slice based on the size information.
    Type: Grant
    Filed: September 7, 2022
    Date of Patent: August 29, 2023
    Assignee: LG ELECTRONICS INC.
    Inventors: Hendry Hendry, Seung Hwan Kim, Seethal Paluri
  • Method and apparatus for encoding/decoding image information
    Patent number: 11743460
    Abstract: A deblocking filtering method, a boundary strength (bS) deriving method, and encoding/decoding method and apparatus using the methods are provided. The bS deriving method includes the steps of: deriving a boundary of a deblocking filtering unit block which is a unit block on which deblocking filtering is performed; and setting a bS for each bS setting unit block in the deblocking filtering unit block. Here, the step of setting the bS includes setting a bS value of a target boundary corresponding to the boundary of the deblocking filtering unit block as the bS setting unit block.
    Type: Grant
    Filed: April 29, 2022
    Date of Patent: August 29, 2023
    Assignee: LG Electronics Inc
    Inventors: Seungwook Park, Jaehyun Lim, Yongjoon Jeon, Chulkeun Kim, Jungsun Kim, Naeri Park, Hendry Hendry, Byeongmoon Jeon, Joonyoung Park