Patents by Inventor Xiang Li

Xiang Li 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: 20220303562
    Abstract: A method of video encoding includes receiving a merge sharing region including a plurality of coding blocks, constructing a shared merge candidate list for the merge sharing region, and encoding a current inter coded coding block in the merge sharing region based on the shared merge candidate list. The method also includes determining whether to update a history-based motion vector prediction (HMVP) table with motion information of the current inter coded coding block based on whether the current inter coded coding block is inter coded with a merge/skip mode. The method further includes updating the HMVP table with the motion information of the current inter coded coding block when the HMVP table is determined to be updated with the motion information of the current inter coded coding block.
    Type: Application
    Filed: June 3, 2022
    Publication date: September 22, 2022
    Applicant: Tencent America LLC
    Inventors: Guichun LI, Xiaozhong XU, Xiang LI, Shan LIU
  • Publication number: 20220304142
    Abstract: Examples described herein relate to a system that includes: a circuit board comprising a plurality of layers and at least one conductive connection. In some examples, the at least one conductive connection is connected to a layer of the plurality of layers. In some examples, at least one layer of the plurality of layers comprises a conductive material. In some examples, the at least two layers of the plurality of layers comprise conductive material that extend in an axis towards the at least one conductive connection but do not overlap with the at least one layer of the plurality of layers comprising the conductive material.
    Type: Application
    Filed: June 3, 2022
    Publication date: September 22, 2022
    Inventors: Xiang LI, Landon HANKS, George VERGIS, James A. McCALL
  • Publication number: 20220301131
    Abstract: A method for generating a sample image includes: obtaining an initial image size of an initial image; obtaining a plurality of reference images by processing the initial image based on different reference processing modes; obtaining an image to be processed by fusing the plurality of reference images; and determining a target sample image from images to be processed based on the initial image size.
    Type: Application
    Filed: May 12, 2022
    Publication date: September 22, 2022
    Inventors: Jingwei LIU, Yi GU, Xuhui LIU, Xiaodi WANG, Shumin HAN, Yuan FENG, Ying XIN, Chao LI, Bin ZHANG, Honghui ZHENG, Xiang LONG, Yan PENG, Errui DING, Yunhao WANG
  • Publication number: 20220303327
    Abstract: According to an embodiment, a method of selecting a Rice parameter for encoding a video bitstream using at least one processor includes obtaining an absolute level corresponding to a current transform block; determining whether transform skip is enabled; generating a lookup variable based on the absolute level and the determination of whether the transform skip is enabled; obtaining the Rice parameter from a lookup table based on the lookup variable; and encoding a residual subblock based on the Rice parameter.
    Type: Application
    Filed: May 31, 2022
    Publication date: September 22, 2022
    Applicant: TENCENT AMERICA LLC
    Inventors: Cheung AUYEUNG, Xiang LI, Shan LIU
  • Publication number: 20220302229
    Abstract: A counter substrate is provided. The counter substrate includes a bank layer on a base substrate and defining a plurality of bank apertures; a quantum dots material layer on the base substrate, the quantum dots material layer including a plurality of quantum dots blocks respectively in at least some of the plurality of bank apertures; and a support layer on a side of the quantum dots material layer and the bank layer away from the base substrate. The support layer includes one or more support portions, orthographic projections of which on the base substrate adjacent to a periphery of an orthographic projection of a respective one of the plurality of bank apertures on the base substrate. An orthographic projection of the bank layer on the base substrate at least partially overlaps with an orthographic projection of the support layer on the base substrate.
    Type: Application
    Filed: October 19, 2020
    Publication date: September 22, 2022
    Applicant: BOE Technology Group Co., Ltd.
    Inventors: Yang Yue, Shi Shu, Qi Yao, Wei Huang, Haitao Huang, Shipei Li, Yong Yu, Xiang Li, Chuanxiang Xu, Wenqu Liu
  • Publication number: 20220298915
    Abstract: A method includes positioning a downhole tool in a borehole formed in a subsurface formation, wherein the downhole tool comprises a plurality of calipers arranged around a circumference of the downhole tool. The method includes detecting, using the plurality of calipers, a plurality of standoff measurements at different rotation angles and determining a plurality of apparent diameters of the borehole for the different rotation angles of the downhole tool based on the plurality of standoff measurements and at least one of a radius and a diameter of the downhole tool. The method includes determining a probability function based on the plurality of apparent diameters and determining a shape of the borehole based on the probability function.
    Type: Application
    Filed: June 7, 2022
    Publication date: September 22, 2022
    Inventors: Jing Jin, Glenn Andrew Wilson, Wei Li, Xiang Wu
  • Publication number: 20220303548
    Abstract: A method, computer program, and computer system is provided for decoding video data.
    Type: Application
    Filed: May 27, 2022
    Publication date: September 22, 2022
    Applicant: Tencent America LLC
    Inventors: Guichun LI, Xiang LI, Xiaozhong XU, Shan LIU
  • Publication number: 20220303540
    Abstract: A method of controlling intra-inter prediction for decoding or encoding of a video sequence, is performed by at least one processor. The method may include setting a prediction mode flag associated with a current block to indicate whether the current block is coded in inter prediction mode, intra prediction mode, or inter-intra prediction mode; deriving a context value associated with a coded block flag associated with the current block based on the prediction mode flag associated with the current block. Deriving the context value may include based on the current block being determined to be coded in the intra prediction mode, setting the context value of the coded block flag to a first value, and based on the current block being determined to be coded in the inter prediction mode, setting the context value of the coded block flag to a second value.
    Type: Application
    Filed: June 10, 2022
    Publication date: September 22, 2022
    Applicant: TENCENT AMERICA LLC
    Inventors: Xin ZHAO, Xiang Li, Shan Liu
  • Publication number: 20220297855
    Abstract: The present disclosure discloses a large space self-deployable boom. The problems that an existing antenna boom is complicated in structure and inconvenient to unfold or fold are solved. The boom comprises a plurality of stretching units which are coaxial and fixedly connected end to end in sequence, wherein each stretching unit comprises two fixing rings which are coaxially arranged up and down and a plurality of stretching main bodies uniformly distributed between the two fixing rings, the stretching main body is of a spring sheet structure, and when being on the ground, the plurality of stretching main bodies are bent by applying external force so that the folding of the boom is achieved, and the folding state is maintained through rope binding; after entering the outer space, the rope is cut off to realize the self-deployment of the stretching main body, so that the self-deployment of the boom is realized.
    Type: Application
    Filed: March 17, 2022
    Publication date: September 22, 2022
    Inventors: Lifang LI, Pengzhen GUO, Zongquan DENG, Rongqiang LIU, Heng LI, Juncai WANG, Xiang WEI, Shuangyu WANG, Yunlong LI
  • Patent number: 11451858
    Abstract: The present disclosure describes techniques of processing information flow and synchronously displaying image s, mask frames and comment information. According to the present disclosure, a system processes a first information stream uploaded by a stream pushing terminal to obtain a frame image and mask frame data, the mask frame data corresponding to the frame image and identifying a timestamp offset indicative of a time difference between the mask frame data and a playing timestamp of the frame image. The system synthesizes the frame image and the mask frame data to generate a second information stream; and output the second information stream to a client for synchronously displaying the image frame, a corresponding mask frame, and the comment information.
    Type: Grant
    Filed: September 11, 2020
    Date of Patent: September 20, 2022
    Assignee: SHANGHAI BILIBILI TECHNOLOGY CO., LTD.
    Inventors: Zhiwei Chen, Longwen Gao, Yingxuan Shi, Chaoran Li, Qi Tang, Jianqiang Ding, Bo Wang, Tianxiao Ye, Xiaolong Yan, Dada Liao, Xiang Zhu
  • Patent number: 11451807
    Abstract: Aspects of the disclosure provide methods and apparatuses for video encoding and decoding. In some examples, an apparatus for video decoding includes processing circuitry. The processing circuitry decodes prediction information of a current block in a current picture from a coded video bitstream. The prediction information indicates an inter prediction mode for reconstructing the current block. The processing circuitry identifies a reference block for the current block where the reference block is one of a plurality of blocks in a motion vector compression unit (MVCU) that is already reconstructed. The processing circuitry further determines current motion information of the current block based on representative motion information for the MVCU and reconstructs at least one sample in the current block based on the current motion information.
    Type: Grant
    Filed: June 7, 2019
    Date of Patent: September 20, 2022
    Assignee: Tencent America LLC
    Inventors: Meng Xu, Xiang Li, Shan Liu
  • Patent number: 11451823
    Abstract: Prediction information of a current block is decoded. The prediction information indicates an affine merge model, and the current block includes control points. A first candidate control point motion vector (CPMV) for a first control point of the control points is determined based on one of at least two CPMVs of a first neighboring block of the first control point and a translational motion vector of a second neighboring block of the first control point. Affine merge candidates for the current block are derived based on candidate CPMVs for the control points of the current block. The candidate CPMVs of the control points includes the first candidate CPMV. Parameters of the affine merge model are determined based on one of the affine merge candidates that is defined according to the prediction information. At least a sample of the current block is reconstructed according to the affine merge model.
    Type: Grant
    Filed: August 24, 2021
    Date of Patent: September 20, 2022
    Assignee: TENCENT AMERICA LLC
    Inventors: Guichun Li, Xiaozhong Xu, Xiang Li, Shan Liu
  • Patent number: 11451826
    Abstract: An apparatus of video decoding can include circuitry configured to receive a lossless mode flag associated with a current block indicating whether a lossless coding mode is applied to the current block, determine that a lossy coding mode is not applied to the current block when the lossless mode flag indicates that the lossless coding mode is applied to the current block, and reconstruct the current block with the lossy coding mode disabled.
    Type: Grant
    Filed: April 14, 2020
    Date of Patent: September 20, 2022
    Assignee: Tencent America LLC
    Inventors: Xin Zhao, Xiang Li, Shan Liu, Cheung Auyeung, Liang Zhao, Ling Li
  • Patent number: 11451769
    Abstract: A method of and device for controlling multi-line intra prediction using a non-zero reference line. The method includes determining whether an intra prediction mode of a first neighboring block of a current block is an angular mode, determining whether an intra prediction mode of a second neighboring block of the current block is an angular mode, and generating a Most Probable Mode (MPM) list of the current block.
    Type: Grant
    Filed: August 6, 2020
    Date of Patent: September 20, 2022
    Assignee: TENCENT AMERICA LLC
    Inventors: Liang Zhao, Xin Zhao, Xiang Li, Shan Liu
  • Patent number: 11451834
    Abstract: Aspects of the disclosure provide a method and an apparatus including processing circuitry for video decoding. The processing circuitry decodes coded information of a chroma coding block (CB) from a coded video bitstream. The coded information indicates that a cross-component filter is applied to the chroma CB and indicates a chroma subsampling format and a chroma sample type. The processing circuitry determines a filter shape of the cross-component filter based on at least one of the chroma subsampling format and the chroma sample type. The processing circuitry generates a first intermediate CB by applying a loop filter to the chroma CB and generates a second intermediate CB by applying the cross-component filter having the determined filter shape to the corresponding luma CB. The processing circuitry determines a filtered chroma CB based on the first intermediate CB and the second intermediate CB.
    Type: Grant
    Filed: September 2, 2020
    Date of Patent: September 20, 2022
    Assignee: Tencent America LLC
    Inventors: Xiang Li, Xin Zhao, Yixin Du, Liang Zhao, Shan Liu
  • Patent number: 11451829
    Abstract: An apparatus for video decoding includes processing circuitry configured to receive a split direction syntax element, a first index syntax element, and a second index syntax element that are associated with a coding block coded with a triangular prediction mode. The coding block can be partitioned into two triangular prediction units according to a split direction indicated by the split direction syntax element. The first and second index syntax elements can indicate a first merge index and a second merge index to a merge candidate list constructed for the two triangular prediction units. The coding block can be reconstructed according to the split direction, the first merge index, and second merge index.
    Type: Grant
    Filed: December 10, 2020
    Date of Patent: September 20, 2022
    Assignee: TENCENT AMERICA LLC
    Inventors: Meng Xu, Xiang Li, Shan Liu
  • Patent number: 11449774
    Abstract: A resource configuration method and apparatus for heterogeneous cloud services are provided. The method may include: establishing a basic model with a general structure for at least two heterogeneous cloud services, where the basic model comprises a trend model and a periodic model; determining a cloud service in the at least two cloud services as a target cloud service, and acquiring a target historical data set of the target cloud service; training the trend model and the periodic model using the target historical data set; generating a target prediction model corresponding to the target cloud service based on the trained trend model and the trained periodic model; and generating, based on the target prediction model, a resource amount demanded by the target cloud service in a future time period, and configuring resources for the target cloud service according to the demanded resource amount.
    Type: Grant
    Filed: December 2, 2019
    Date of Patent: September 20, 2022
    Assignee: Beijing Baidu Netcom Science and Technology Co., Ltd.
    Inventors: Xiaoxu Chen, Feng Liu, Tao Yang, Xiang Gao, Geng Li, Xianghui Zhang
  • Patent number: 11451812
    Abstract: In a method for video decoding in a decoder, prediction information of a block is decoded in a current picture from a coded video bitstream. The prediction information includes a plurality of offset indices for prediction offsets associated with an affine model in an inter prediction mode. The plurality of offset indices includes at least one of a distance offset index, an offset direction index, a delta scaling index, and a delta rotation index. Further, parameters of the affine model are determined based on the plurality of offset indices. Each of the plurality of the offset indices including a respective pre-defined mapping table that includes indexes and corresponding offset values. The parameters of the affine model are used to transform between the block and a reference block in a reference picture that has been reconstructed. At least a sample of the block is reconstructed according to the affine model.
    Type: Grant
    Filed: April 28, 2021
    Date of Patent: September 20, 2022
    Assignee: TENCENT AMERICA LLC
    Inventors: Guichun Li, Xiaozhong Xu, Xiang Li, Shan Liu
  • Publication number: 20220291988
    Abstract: Methods, apparatus, computer program products for handling critical problem exceptions during an execution of an application are provided. The method comprises: detecting, by one or more processing units, an occurrence of a certain type of critical problem exception during an execution of an application, the critical problem exception resulting in a termination of the application; instructing, by one or more processing units, to call a Super Handling Routine (SHR) corresponding to the type of the critical problem exception at a pre-configured address based on a pre-determined context registered by the application, the SHR being configured to handle critical problem exceptions; and handing, by one or more processing units, control to the SHR to handle the type of the critical problem exception.
    Type: Application
    Filed: March 11, 2021
    Publication date: September 15, 2022
    Inventors: Naijie Li, Bao Zhang, Jin Hong Fu, Jing Lu, Xiang Zu
  • Publication number: 20220288064
    Abstract: Provided is a novel PDGFR kinase inhibitor, comprising a compound of formula (I) or a pharmaceutically acceptable salt, solvate, ester, acid, metabolite or prodrug thereof. Further provided are use and a method of the compound of formula (I) for preventing or treating conditions associated with PDGFR kinase activity, particularly use and a method for preventing or treating conditions associated with PDGFR? and/or PDGFR? kinase activity.
    Type: Application
    Filed: August 14, 2020
    Publication date: September 15, 2022
    Applicant: HEFEI INSTITUTES OF PHYSICAL SCIENCE, CHINESE ACADEMY OF SCIENCES
    Inventors: Qing Song LIU, Jing LIU, Xi Xiang LI, Ao Li WANG, Feng Ming ZOU, Cheng CHEN, Qing Wang LIU, Juan LIU, Jiang Yan CAO, Wen Liang WANG, Shuang QI, Wen Chao WANG, Bei Lei WANG, Li WANG