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).

  • Patent number: 11025954
    Abstract: An image decoding method according to the present invention comprises the steps of: acquiring information to form a reference picture set of a current picture by entropy decoding the received bitstream information; and performing prediction on a prediction block inside the current picture by using a reference picture list which is formed based on the reference picture set.
    Type: Grant
    Filed: October 7, 2019
    Date of Patent: June 1, 2021
    Assignee: LG Electronics Inc.
    Inventors: Byeongmoon Jeon, Hendry Hendry, Jaehyun Lim, Yongjoon Jeon, Chulkeun Kim, Jungsun Kim, Seungwook Park, Joonyoung Park, Sang Oh Jeong, Naeri Park
  • Publication number: 20210144382
    Abstract: The present invention relates to a video encoding method, to a video decoding method, and to an apparatus using same. The video encoding method according to the present invention comprises the steps of: setting a tile and a slice for the inputted current picture; performing encoding based on the tile and the slice; and a step of transmitting the encoded video information. The current picture may include one or more tiles and one or more slices. The largest coding units (hereinafter, referred to as LCUs) in the slice may be arranged based on a tile scan.
    Type: Application
    Filed: November 3, 2020
    Publication date: May 13, 2021
    Inventors: Hendry Hendry, Jungsun Kim, Chulkeun Kim, Byeongmoon Jeon, Sangoh Jeong
  • Patent number: 10999580
    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: Grant
    Filed: August 20, 2020
    Date of Patent: May 4, 2021
    Assignee: LG ELECTRONICS INC.
    Inventors: Jaehyun Lim, Byeongmoon Jeon, Yongjoon Jeon, Seungwook Park, Jungsun Kim, Joonyoung Park, Hendry Hendry, Naeri Park, Chulkeun Kim
  • Publication number: 20210112265
    Abstract: A method or coding image information, according to the present invention, comprises the steps of: binarizing according to different techniques, index values of forward prediction, backward prediction, and bidirectional prediction, depending on whether the bidirectional prediction is applied when inter-predicting a current block; and entropy coding a binarized codeword, wherein whether to apply the bidirectional prediction when inter-predicting the current block can be determined on the basis of the size of the current block. As a result, provided are a method for binarizing an inter-prediction direction of a prediction unit having a specific size, and an apparatus using same.
    Type: Application
    Filed: December 21, 2020
    Publication date: April 15, 2021
    Inventors: Jungsun KIM, Joonyoung PARK, Chulkeun KIM, Hendry HENDRY, Byeongmoon JEON
  • Publication number: 20210105486
    Abstract: An image decoding method according to the present invention includes: receiving information on a set of reference pictures for configuring a set of reference pictures of a current picture, wherein the information on the set of reference pictures includes the most significant bit (MSB) information that may calculate the MSB of the picture order count (POC) of a long-term reference picture relative to the current picture, and flag information that represents whether there is MSB information; and eliciting the set of reference pictures by using received MSB information when the flag information is 1, and performing marking on the reference picture, wherein the flag information may be 1 when a temporal sub-layer identifier is 0, and there is at least one POC value for which a remainder obtained by dividing by a maximum value MaxPicOrderCntLsb capable of being represented by the LSB is the same as the least significant bit (LSB) of the POC of the long-term reference picture, in a set of POCs of a previous picture
    Type: Application
    Filed: October 30, 2020
    Publication date: April 8, 2021
    Inventors: Hendry HENDRY, Joonyoung Park, Chulkeun Kim, Byeongmoon Jeon, Jungsun Kim
  • Patent number: 10972757
    Abstract: Disclosed are a method and apparatus for encoding/decoding images. The image-decoding method comprises the steps of: receiving a bit stream including information regarding an NAL unit type; and checking whether or not the NAL unit in the bit stream is a reference picture based on said information regarding an NAL unit type and decoding the NAL unit. The information regarding an NAL unit type indicates whether the NAL unit is a reference reading picture or not a reference reading picture.
    Type: Grant
    Filed: February 7, 2020
    Date of Patent: April 6, 2021
    Assignee: LG ELECTRONICS INC.
    Inventors: Hendry Hendry, Yongjoon Jeon, Chulkeun Kim, Sangoh Jeong, Byeongmoon Jeon, Jungsun Kim
  • Patent number: 10972743
    Abstract: A method for decoding an image according to the present invention comprises the steps of: receiving and parsing a parameter set including indication information which indicates the presence of withheld information to be used in the future; receiving and parsing a slide header including the withheld information, when the indication information indicates the presence of the withheld information; and decoding the image according to semantics and a value corresponding to the withheld information. As a result, provided are a method and an apparatus for describing an additional extension information indication in a bitstream supporting a hierarchical image.
    Type: Grant
    Filed: April 21, 2020
    Date of Patent: April 6, 2021
    Assignee: LG ELECTRONICS INC.
    Inventors: Hendry Hendry, Joonyoung Park, Chulkeun Kim, Byeongmoon Jeon, Jungsun Kim
  • Publication number: 20210092407
    Abstract: A method for decoding an image according to the present invention comprises the steps of: receiving and decoding MPM index information for indicating an MPM candidate which is to be used as an intra prediction mode of a current block; generating an MPM candidate list containing a plurality of MPM candidates for the current block; determining the MPM candidate indicated by the decoded MPM index information as the intra prediction mode of the current block, among the plurality of the MPM candidates which constitute the MPM candidate list; and generating a prediction block corresponding to the current block by performing intra prediction for the current block based on the determined intra prediction mode.
    Type: Application
    Filed: December 2, 2020
    Publication date: March 25, 2021
    Inventors: Joonyoung PARK, Byeongmoon JEON, Yongjoon JEON, Seungwook PARK, Jungsun KIM, Jaehyun LIM, Hendry HENDRY, Naeri PARK, Chulkeun KIM
  • Publication number: 20210084331
    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: Application
    Filed: November 24, 2020
    Publication date: March 18, 2021
    Inventors: Jaehyun LIM, Seungwook PARK, Yongjoon JEON, Jungsun KIM, Hendry HENDRY, Byeongmoon JEON, Joonyoung PARK, Chulkeun KIM, Naeri PARK
  • Publication number: 20210067795
    Abstract: The present invention relates to an inter-layer prediction method and to an apparatus implementing the method. The method may comprise the steps of generating a first block constituted by the value obtained by up-sampling the reconstruction value of a reference block of a reference layer corresponding to the current block; generating a second block constituted by a prediction value derived from intra-prediction mode of the current block; and generating a prediction block of the current block by combining sample values of the first block and the second block. Thus, intra-prediction on the current layer can be performed using the intra-prediction mode information of another layer.
    Type: Application
    Filed: November 16, 2020
    Publication date: March 4, 2021
    Inventors: Hendry HENDRY, Seungwook PARK, Byeongmoon JEON, Joonyoung PARK, Jungsun KIM, Sangoh JEONG, Chulkeun KIM
  • Publication number: 20210058635
    Abstract: The present invention includes an image information decoding method which comprises: a step of receiving a bitstream that includes a network abstraction layer (NAL) unit including information related to an encoded image; and a step of parsing an NAL unit header of the NAL unit. The NAL unit header includes layer information including reserved_one_5bits for identifying an extended layer in an extended bitstream and temporal_id for identifying a temporal layer of a bitstream. The reserved_one_5bits of the layer information is received prior to the temporal_id of the layer information. Thus, a method for describing scalability information in a hierarchical bitstream is provided.
    Type: Application
    Filed: November 6, 2020
    Publication date: February 25, 2021
    Inventors: Hendry HENDRY, Jungsun KIM, Chulkeun KIM, Byeongmoon JEON, Sangoh JEONG
  • Patent number: 10931960
    Abstract: A method or coding image information, according to the present invention, comprises the steps of: binarizing according to different techniques, index values of forward prediction, backward prediction, and bidirectional prediction, depending on whether the bidirectional prediction is applied when inter-predicting a current block; and entropy coding a binarized codeword, wherein whether to apply the bidirectional prediction when inter-predicting the current block can be determined on the basis of the size of the current block. As a result, provided are a method for binarizing an inter-prediction direction of a prediction unit having a specific size, and an apparatus using same.
    Type: Grant
    Filed: November 1, 2019
    Date of Patent: February 23, 2021
    Assignee: LG Electronics Inc.
    Inventors: Jungsun Kim, Joonyoung Park, Chulkeun Kim, Hendry Hendry, Byeongmoon Jeon
  • Publication number: 20210037264
    Abstract: The present invention relates to an entropy encoding method, an entropy decoding method and to an apparatus using same. The entropy decoding method includes: a step of decoding a bin of a syntax element; and a step of acquiring information on the syntax element based on the decoded bin. In the step of decoding the bin, context-based decoding or bypass decoding is performed for each bin of the syntax element.
    Type: Application
    Filed: October 19, 2020
    Publication date: February 4, 2021
    Inventors: Jae Hyun LIM, Seung Wook PARK, Yong Joon JEON, Chul Keun KIM, Yong Hee CHOI, Jung Sun KIM, Nae Ri PARK, Hendry HENDRY, Byeong Moon JEON, Joon Young PARK
  • Publication number: 20210006817
    Abstract: The present invention relates to the encoding and decoding of image information. According to the present invention, the decoding method comprises the steps of: entropy-decoding received information; performing inter prediction on a current block based on the entropy-decoded information; and restoring images by using the prediction results, wherein, in the inter prediction step, a skip mode or merge mode is applied to the current block and movement information of the current block may be determined based on the movement information of a neighboring block of the current block.
    Type: Application
    Filed: June 4, 2020
    Publication date: January 7, 2021
    Inventors: Seungwook PARK, Jaehyun LIM, Yongjoon JEON, Hendry HENDRY, Younghee CHOI, Jaewon SUNG, Jungsun KIM, Byeongmoon JEON, Joonyoung PARK
  • Patent number: 10887605
    Abstract: A method for decoding an image according to the present invention comprises the steps of: receiving and decoding MPM index information for indicating an MPM candidate which is to be used as an intra prediction mode of a current block; generating an MPM candidate list containing a plurality of MPM candidates for the current block; determining the MPM candidate indicated by the decoded MPM index information as the intra prediction mode of the current block, among the plurality of the MPM candidates which constitute the MPM candidate list; and generating a prediction block corresponding to the current block by performing intra prediction for the current block based on the determined intra prediction mode.
    Type: Grant
    Filed: July 29, 2019
    Date of Patent: January 5, 2021
    Assignee: LG Electronics Inc.
    Inventors: Joonyoung Park, Byeongmoon Jeon, Yongjoon Jeon, Seungwook Park, Jungsun Kim, Jaehyun Lim, Hendry Hendry, Naeri Park, Chulkeun Kim
  • Publication number: 20200413056
    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: Application
    Filed: September 11, 2020
    Publication date: December 31, 2020
    Inventors: Seungwook PARK, Jaehyun LIM, Yongjoon JEON, Chulkeun KIM, Jungsun KIM, Naeri PARK, Hendry HENDRY, Byeongmoon JEON, Joonyoung PARK
  • Patent number: 10880574
    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: June 7, 2019
    Date of Patent: December 29, 2020
    Assignee: LG Electronics Inc.
    Inventors: Jaehyun Lim, Seungwook Park, Yongjoon Jeon, Jungsun Kim, Hendry Hendry, Byeongmoon Jeon, Joonyoung Park, Chulkeun Kim, Naeri Park
  • Patent number: 10873750
    Abstract: The present invention relates to a method for coding a scalable video in a multilayer structure, and a method for encoding a video according to the present invention comprises the steps of: decoding and saving a picture of a reference layer; inducing an interlayer reference picture which is referenced for predicting a current block of a current layer; producing a reference picture list including the interlayer reference picture and a reference picture of the current layer; conducting a prediction on the current block of the current layer with the reference picture list to induce a prediction sample with respect to the current block; inducing a recovery sample with respect to the current block based on the prediction sample and the prediction block with respect to the current block; and transmitting reference information for indicating a picture that can be used for interlayer prediction from the pictures of the reference layer.
    Type: Grant
    Filed: September 19, 2019
    Date of Patent: December 22, 2020
    Assignee: LG ELECTRONICS INC.
    Inventors: Hendry Hendry, Joonyoung Park, Chulkeun Kim, Byeongmoon Jeon, Jungsun Kim
  • Publication number: 20200396482
    Abstract: The present invention relates to a method for signaling image information and to a decoding method using same. The method for signaling image information according to the present invention comprises: a step of performing inter-prediction for a current picture; and a step of signaling information including the result of said inter-prediction and reference picture information indicating reference pictures usable in said inter prediction, wherein said reference picture information contains pieces of picture order count (POC) information of said usable reference pictures. The POC information of said usable reference pictures in said reference picture information is configured such that POCs for the pictures existing before said current picture in terms of a POC sequence are located at the front, and POCs for the pictures existing after said current picture in terms of a POC sequence are located following the POCs located at the front.
    Type: Application
    Filed: August 28, 2020
    Publication date: December 17, 2020
    Inventors: Hendry HENDRY, Seungwook PARK, Jaehyun LIM, Yongjoon JEON, Chulkeun KIM, Jungsun KIM, Naeri PARK, Byeongmoon JEON, Joonyoung PARK
  • Patent number: 10869052
    Abstract: The present invention relates to an inter-layer prediction method and to an apparatus implementing the method. The method may comprise the steps of generating a first block constituted by the value obtained by up-sampling the reconstruction value of a reference block of a reference layer corresponding to the current block; generating a second block constituted by a prediction value derived from intra-prediction mode of the current block; and generating a prediction block of the current block by combining sample values of the first block and the second block. Thus, intra-prediction on the current layer can be performed using the intra-prediction mode information of another layer.
    Type: Grant
    Filed: November 7, 2019
    Date of Patent: December 15, 2020
    Assignee: LG Electronics Inc.
    Inventors: Hendry Hendry, Seungwook Park, Byeongmoon Jeon, Joonyoung Park, Jungsun Kim, Sangoh Jeong, Chulkeun Kim