Patents by Inventor 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).

  • MEDIA FILE PROCESSING METHOD AND DEVICE THEREFOR
    Publication number: 20230328261
    Abstract: According to one embodiment of the present disclosure, provided is a media file generating method performed by a media file generating device. The method comprises the steps of: constructing subpicture tracks comprising subpicture image data; constructing a base track referencing the subpicture tracks; and generating a media file comprising the subpicture tracks and the base track, wherein a sample of the base track forms a rectangular area without holes and overlaps, the holes indicate areas that are not covered by at least one of samples of the referenced subpicture tracks, and the overlaps indicate areas that are covered more than once by the samples of the referenced subpicture tracks.
    Type: Application
    Filed: September 24, 2021
    Publication date: October 12, 2023
    Inventor: Hendry HENDRY
  • IMAGE/VIDEO CODING METHOD AND APPARATUS BASED ON INTER PREDICTION
    Publication number: 20230328269
    Abstract: A video decoding method performed by a video decoding apparatus, according to the present document, comprises the steps of: parsing a flag for weighted prediction from a bitstream; parsing a prediction weighted table syntax from the bitstream on the basis of the flag; generating prediction samples by performing weighted prediction on a current block within a current picture on the basis of the prediction weighted table syntax; and generating reconstructed samples for the current block on the basis of the prediction samples, wherein the prediction weighted table syntax may be parsed from a picture header or slice header of the bitstream on the basis of a value of the flag.
    Type: Application
    Filed: June 9, 2023
    Publication date: October 12, 2023
    Inventors: Seethal PALURI, Hendry Hendry, Jie Zhao, Seunghwan Kim
  • 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
  • Destruction of PFAS via an oxidation process and apparatus suitable for transportation to contaminated sites
    Patent number: 11780753
    Abstract: Per- and polyfluoroalkyl substances (PFAS) are destroyed by oxidation in supercritical conditions. PFAS in water can be concentrated and prepared for destruction in a pretreatment phase. Following annihilation of the PFAS in supercritical conditions to levels below 5 parts per trillion (ppt), the water effluent can be used to recover heat, returned to sub-critical conditions, and then released back into the environment.
    Type: Grant
    Filed: July 23, 2022
    Date of Patent: October 10, 2023
    Assignee: REVIVE ENVIRONMENTAL TECHNOLOGY, LLC
    Inventors: Lindy E. Dejarme, Kavitha Dasu, Russel R. Sirabian, Jeffrey Ellis, Dan Garbark, Nathan Bryant, John Tallarico, Joseph Casciano, Slawomir Winecki, David Holley, Joshua James, Keith Brown, Doug Hendry, Darwin Argumedo, Aaron Frank, Christopher Gordon Scheitlin, Michael M. Miller, Matthew Vaughan
  • Handling of multiple picture size and conformance windows for reference picture resampling in video coding
    Patent number: 11785220
    Abstract: A method of decoding includes receiving a first picture parameter set and a second picture parameter set each referring to same sequence parameter set, the first picture parameter set and the second picture parameter set having same values of a conformance window when the first picture parameter set and the second picture parameter set have same values of picture width and picture height, and applying the conformance window to a current picture corresponding to the first picture parameter set or the second picture parameter set.
    Type: Grant
    Filed: December 29, 2021
    Date of Patent: October 10, 2023
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Jianle Chen, F N U Hendry
  • 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
  • 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
  • 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
  • Sub-picture Sizing In Video Coding
    Publication number: 20230319299
    Abstract: A video coding mechanism is disclosed. The mechanism includes receiving a bitstream comprising one or more sub-pictures partitioned from a picture such that each sub-picture includes a sub-picture width that is an integer multiple of a coding tree unit (CTU) size when the each sub-picture includes a right boundary that does not coincide with a right boundary of the picture. The bitstream is parsed to obtain the one or more sub-pictures. The one or more sub-pictures are decoded to create a video sequence. The video sequence is forwarded for display.
    Type: Application
    Filed: June 2, 2023
    Publication date: October 5, 2023
    Inventors: Ye-Kui Wang, Fnu Hendry
  • Flexible tiling in video coding
    Patent number: 11778205
    Abstract: A video coding mechanism is disclosed. The mechanism includes partitioning a picture into a plurality of first level tiles. A subset of the first level tiles is partitioned into a plurality of second level tiles. Each second level tile contains a single rectangular slice of picture data. The first level tiles and the second level tiles are encoded into a bitstream. The bitstream is stored for communication toward a decoder.
    Type: Grant
    Filed: June 24, 2021
    Date of Patent: October 3, 2023
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Ye-Kui Wang, Fnu Hendry, Maxim Borisovitch Sychev
  • 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 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
  • 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
  • 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 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
  • 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
  • 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
  • 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