Patents by Inventor Li Zhang

Li Zhang 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).

  • Publication number: 20250142121
    Abstract: Embodiments of the present disclosure provide a solution for point cloud coding. A method for point cloud coding is proposed. The method comprises: obtaining, for a conversion between a current point cloud (PC) sample of a point cloud sequence and a bitstream of the point cloud sequence, target information regarding whether an attribute inter prediction is enabled for the current PC sample, the target information being determined based on at least one of rate information or distortion information associated with coding at least one target PC sample with the attribute inter prediction, wherein the at least one target PC sample comprises at least one of: the current PC sample, or at least one PC sample of the point cloud sequence coded before the current PC sample; and performing the conversion based on the target information.
    Type: Application
    Filed: January 3, 2025
    Publication date: May 1, 2025
    Inventors: Yingzhan XU, Wenyi Wang, Kai Zhang, Li Zhang
  • Publication number: 20250142093
    Abstract: Embodiments of the present disclosure provide a solution for video processing. A method for video processing is proposed. The method comprises: determining, for a conversion between a current video block of a video and a bitstream of the video, a plurality of co-located frames of the current video block, the current video block being in a current frame co-located with the plurality of co-located frame; and performing the conversion based on the plurality of co-located frames.
    Type: Application
    Filed: January 3, 2025
    Publication date: May 1, 2025
    Inventors: Lei ZHAO, Kai ZHANG, Li ZHANG
  • Publication number: 20250142081
    Abstract: Embodiments of the present disclosure provide a solution for video processing. A method for video processing is proposed. The method comprises: obtaining, for a conversion between a current video block of a video and a bitstream of the video, values for a set of adjusting parameters associated with values for a set of model parameters of a local illumination compensation (LIC) model for coding the current video block; updating the values for the set of model parameters based on the values for the set of adjusting parameters; and performing the conversion based on the updated values for the set of model parameters.
    Type: Application
    Filed: January 3, 2025
    Publication date: May 1, 2025
    Inventors: Bharath VISHWANATH, Kai ZHANG, Li ZHANG
  • Publication number: 20250142087
    Abstract: Embodiments of the disclosure provide a solution for video processing. A method for video processing is proposed. The method includes: determining, during a conversion between a target block of a video and a bitstream of the target block, that a combination of an intra block copy (IBC) and an intra prediction (CIBCIP) mode is applied to the target block; obtaining an IBC predicted signal and an intra predicted signal based on the CIBCIP mode; deriving a prediction or a reconstruction of the target block by combining the IBC predicted signal and the intra predicted signal; and performing the conversion based on the prediction or the reconstruction of the target block.
    Type: Application
    Filed: January 3, 2025
    Publication date: May 1, 2025
    Inventors: Yang WANG, Kai Zhang, Na Zhang, Li Zhang
  • Publication number: 20250142054
    Abstract: An example method of video processing includes determining, for a conversion between a current picture of a video and a coded representation of the video, a position of a reference sample in a reference picture that is associated with the current picture based on a top-left position of a window of a picture. The picture includes at least the current picture or the reference picture, and the window is subject to a processing rule during the conversion. The method also includes performing the conversion based on the determining.
    Type: Application
    Filed: January 6, 2025
    Publication date: May 1, 2025
    Inventors: Kai Zhang, Li Zhang, Hongbin Liu, Zhipin Deng, Jizheng Xu, Yue Wang
  • Publication number: 20250142106
    Abstract: Embodiments of the disclosure provide a solution for video processing. A method for video processing is proposed. The method includes: applying, for a conversion between a video unit of a video and a bitstream of the video unit, a wrap around motion compensation (WAMC) during a derivation of motion information for the video unit; and performing the conversion based on the derived motion information.
    Type: Application
    Filed: December 27, 2024
    Publication date: May 1, 2025
    Inventors: Yang WANG, Kai ZHANG, Zhipin DENG, Li ZHANG
  • Publication number: 20250134243
    Abstract: A cleaning attachment and rotary tool for cleaning are provided. A cleaning attachment includes a housing, a plurality of bristles, and a drive shaft extending from the housing in an axial direction, the drive shaft being coupled to the housing such that rotation of the drive shaft causes rotation of the housing. The housing includes a reservoir, a valve for dispensing the fluid from the reservoir, and at least one resilient element surrounding an axis defined by the drive shaft. Translation of the drive shaft along the axial direction causes compression of the resilient element, and compression of the resilient element causes the valve to open to dispense fluid from the reservoir. A rotary tool for cleaning includes the cleaning attachment and a rotary tool having a motor, power source, and a chuck configured to receive the drive shaft of the cleaning attachment.
    Type: Application
    Filed: October 27, 2023
    Publication date: May 1, 2025
    Inventors: Jeremy Fedrigon, J. Luke Jenkins, Stephen A. Hughett, Ryan Li Hao Yang, Aiden Li Zhang, Leo You Rui Li, Hank Yong Hang Huang, Guo Hua Liang
  • Publication number: 20250142861
    Abstract: A semiconductor device includes a buffer layer, a barrier layer, a nitride-based semiconductor layer, an isolation layer, and a gate electrode. The barrier layer is disposed on the buffer layer. The nitride-based semiconductor layer is disposed on the barrier layer and has a channel region and a doped region abutting against each other. The isolation layer covers the nitride-based semiconductor layer. The isolation layer and doped channel region can exhibit a type-II energy band alignment (staggered gate stack). The gate electrode is disposed over the isolation layer and the nitride-based semiconductor layer.
    Type: Application
    Filed: August 12, 2022
    Publication date: May 1, 2025
    Inventors: Jing CHEN, Zheyang ZHENG, Li ZHANG
  • Patent number: 12289466
    Abstract: A method of video processing is provided. The method includes: determining, for a conversion between a first video block of a video and a bitstream of the video, that a merge mode with motion vector differences is applied into the first video block; and performing the conversion based on the determining, where the merge mode includes motion vector expression to derive motion information of the first video block, where the motion vector expression includes a first parameter representing a motion vector difference and a second parameter indicating a base candidate from a base candidate list, where the first parameter includes a first motion magnitude and a first motion direction, and where the base candidate list is based on a first merge candidate list for a merge mode which is constructed for the first video block during the conversion.
    Type: Grant
    Filed: November 21, 2023
    Date of Patent: April 29, 2025
    Assignees: BEIJING BYTEDANCE NETWORK TECHNOLOGY CO., LTD., BYTEDANCE INC.
    Inventors: Hongbin Liu, Li Zhang, Kai Zhang, Jizheng Xu, Yue Wang
  • Patent number: 12289451
    Abstract: A method of video processing is provided to include determining, for a conversion between a video block of a video and a bitstream of the video, a parameter of a cross-component linear model (CCLM) for the video block according to a rule, and performing the conversion based on the determining, and wherein the rule specifies to use a variable representing a neighbouring luma sample in the determining of the parameter of the CCLM only in case that the variable has a certain value.
    Type: Grant
    Filed: November 27, 2023
    Date of Patent: April 29, 2025
    Assignees: BEIJING BYTEDANCE NETWORK TECHNOLOGY CO., LTD., BYTEDANCE INC.
    Inventors: Yang Wang, Li Zhang, Kai Zhang, Hongbin Liu, Yue Wang
  • Publication number: 20250128228
    Abstract: An organic aluminum sol and a preparation method thereof related to chemical technology fields. Organic mixed acids are used to react with aluminum powder to prepare organic aluminum sol as a precursor for preparing alumina fiber. The aluminum powder, formic acid, and oxalic acid are used as raw materials, the oxalic acid and the formic acid are firstly mixed to be even according to a preset ratio to obtain a mixed acid solution, and the aluminum powder is then completely reacted with the mixed acid solution to obtain an aluminum carboxylate solution under a condensation reflux condition, and the aluminum carboxylate solution is finally filtered to obtain the aluminum carboxylate sol that is clear and transparent. A chemical formula of a composition of the organic aluminum sol is expressed as: Al(OH)x(HCOO)y(COO—COO)z, wherein 0<x<2, 0<y<2, and 0<z<1.
    Type: Application
    Filed: October 18, 2024
    Publication date: April 24, 2025
    Inventors: Siwei Li, Ying Liang, Li Zhang
  • Publication number: 20250127906
    Abstract: Disclosed herein are CDK8/19 degraders and methods of making and using the same. The CDK8/19 degrader is a heterobifunctional compound, or a pharmaceutically acceptable salt thereof, comprising a CDK8/19 targeting moiety, a ubiquitin ligase ligand moiety, and a linker linking the CDK8/19 targeting moiety and the ubiquitin ligase ligand moiety.
    Type: Application
    Filed: November 7, 2022
    Publication date: April 24, 2025
    Inventors: Igor RONINSON, Mengqian CHEN, Li ZHANG, Campbell MCINNES
  • Publication number: 20250132786
    Abstract: The present disclosure provides an electronic device and method for wireless communication, and a computer readable storage medium. The electronic device comprises: a processing circuit, configured to estimate a first channel between a network node and an intelligent reflecting surface; pre-code, at least based on the estimated first channel, a plane wave signal sent by the network node, so that a channel model between the network node and a network terminal is equivalent to an orbital angular momentum channel model between the intelligent reflecting surface and the network terminal; and send the pre-coded plane wave signal.
    Type: Application
    Filed: February 17, 2023
    Publication date: April 24, 2025
    Applicant: Sony Group Corporation
    Inventors: Bin SHENG, Li ZHANG, Tingting FAN, Chen SUN
  • Patent number: 12284347
    Abstract: A method for implementing an adaptive colour transform (ACT) mode during image/video encoding and decoding includes performing a conversion between a current video block of a video and a bitstream of the video, wherein the current video block is coded using the ACT mode, wherein the conversion includes applying an inverse ACT transform on the current video block according to a rule, and wherein the rule specifies that a clipping operation, based on a bit depth of the current video block, is applied to an input of the inverse ACT transform.
    Type: Grant
    Filed: May 24, 2023
    Date of Patent: April 22, 2025
    Assignees: BEIJING BYTEDANCE NETWORK TECHNOLOGY CO., LTD., BYTEDANCE INC.
    Inventors: Weijia Zhu, Jizheng Xu, Li Zhang, Kai Zhang, Ye-kui Wang, Yue Wang
  • Patent number: 12284374
    Abstract: A method of visual media processing includes determining a size of a buffer to store reference samples for prediction in an intra block copy mode; and performing a conversion between a current video block of visual media data and a bitstream representation of the current video block, using the reference samples stored in the buffer, wherein the conversion is performed in the intra block copy mode which is based on motion information related to a reconstructed block located in same video region with the current video block without referring to a reference picture.
    Type: Grant
    Filed: January 10, 2022
    Date of Patent: April 22, 2025
    Assignees: BEIJING BYTEDANCE NETWORK TECHNOLOGY CO., LTD., BYTEDANCE INC.
    Inventors: Jizheng Xu, Li Zhang, Kai Zhang, Hongbin Liu, Yue Wang
  • Patent number: 12284371
    Abstract: Methods, systems and devices for implementing an adaptive color transform (ACT) during image/video encoding and decoding, including: determining, for a conversion between a video comprising a block and a bitstream of the video, that a size of the block is greater than a maximum allowed size for an ACT mode, and performing, based on the determining, the conversion, wherein, in response to the size of the block being greater than the maximum allowed size for the ACT mode, the block is partitioned into multiple sub-blocks, and wherein each of the multiple sub-blocks share a same prediction mode, and the ACT mode is enabled at a sub-block level.
    Type: Grant
    Filed: July 5, 2022
    Date of Patent: April 22, 2025
    Assignees: BEIJING BYTEDANCE TECHNOLOGY CO., LTD., BYTEDANCE INC.
    Inventors: Weijia Zhu, Jizheng Xu, Li Zhang, Kai Zhang, Yue Wang
  • Patent number: 12284354
    Abstract: Devices, systems, and methods for digital video coding, which includes matrix-based intra prediction methods for video coding, are described. In a representative aspect, a method for video processing includes performing a conversion between a current video block of a video and a bitstream representation of the current video block according to a rule, where the rule specifies a relationship between applicability of a matrix based intra prediction (MIP) mode or a transform mode during the conversion, where the MIP mode includes determining a prediction block of the current video block by performing, on previously coded samples of the video, a boundary downsampling operation, followed by a matrix vector multiplication operation, and selectively followed by an upsampling operation, and where the transform mode specifies use of a transform operation for the determining the prediction block for the current video block.
    Type: Grant
    Filed: May 18, 2023
    Date of Patent: April 22, 2025
    Assignees: BEIJING BYTEDANCE NETWORK TECHNOLOGY CO., LTD., BYTEDANCE INC.
    Inventors: Zhipin Deng, Kai Zhang, Li Zhang, Hongbin Liu, Jizheng Xu
  • Patent number: 12281080
    Abstract: Disclosed herein are quinoline-based compounds and method for inhibiting CDK8 or CDK19 for the intervention in diseases, disorders, and conditions. The quinoline-based composition comprise substituents at quinoline ring positions 4 and 6, wherein the substituent at position 4 is selected from a substituted or unsubstituted arylalkylamine or a substituted or unsubstituted arylhetrocyclylamine. Pharmaceutical compositions comprising the substituted quinoline compositions, methods of inhibiting CDK8 or CDK19, and methods of treating CDK8/19-associated diseases, disorders, or conditions are also disclosed.
    Type: Grant
    Filed: May 25, 2021
    Date of Patent: April 22, 2025
    Assignees: University of South Carolina, Senex Biotechnology, Inc.
    Inventors: Igor Roninson, Campbell McInnes, Mengqian Chen, Li Zhang, Jing Li
  • Patent number: 12282481
    Abstract: The present disclosure provides a query method for a data table in a database, an apparatus, a computer device and a storage medium. The method includes: acquiring a data table query instruction, the data table query instruction is used to perform a Hash Join query operation on target join columns of a plurality of data tables in the database; constructing, in a build phase of the Hash Join, a hash data table according to tabular data corresponding to a target join column of a first data table among the plurality of data tables; determining, based on table statistical information of the hash data table, whether to construct a runtime filter for filtering a second data table in a probe phase of the Hash Join; and if so, determining a data query result with the constructed runtime filter based on the hash data table and the second data table.
    Type: Grant
    Filed: June 6, 2024
    Date of Patent: April 22, 2025
    Assignee: Beijing Vocano Engine Technology Co., Ltd.
    Inventors: Li Zhang, Wei Ding
  • Publication number: 20250126269
    Abstract: Embodiments of the present disclosure provide a solution for video processing. A method for video processing is proposed. The method comprises: determining, for a conversion between the current video block and a bitstream of the video, a target number for a set of motion candidates, the target number being smaller than or equal to an upper limit value; determining, based on the target number and a fast rate distortion optimization (RDO) process, the set of motion candidates from a plurality of motion candidates for an intra block copy (IBC) based mode for coding the current video block; and performing the conversion based on the set of motion candidates.
    Type: Application
    Filed: December 20, 2024
    Publication date: April 17, 2025
    Inventors: Na ZHANG, Jizheng XU, Kai ZHANG, Mehdi SALEHIFAR, Li ZHANG