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: 20210297703
    Abstract: Aspects of the disclosure provide methods, apparatuses, and non-transitory computer-readable storage mediums for video encoding/decoding. An apparatus includes processing circuitry that decodes prediction information for a current block in a current picture that is a part of a coded video sequence. The processing circuitry determines prediction samples of the current block based on a first linear transform of reference samples of the current block. One or more parameters of the first linear transform are determined based on one of the prediction information and one or more parameters of a second linear transform associated with another block in the coded video sequence. The processing circuitry reconstructs the current block based on the prediction samples.
    Type: Application
    Filed: October 27, 2020
    Publication date: September 23, 2021
    Applicant: Tencent America LLC
    Inventors: Guichun LI, Xiang LI, Xiaozhong XU, Anish Mahendra TAMSE, Shan LIU
  • Publication number: 20210296002
    Abstract: A long short-term memory (LSTM) model-based disease prediction method and apparatus, a computer device, and a storage medium are provided. The method includes: obtaining first medical data of a target object and second medical data of an associated object; inputting the first medical data and the second medical data into a first LSTM network in the LSTM model, to obtain a hidden state vector sequence in the first LSTM network; inputting the hidden state vector sequence into a second LSTM network for operation, to obtain a disease prediction result; selecting a predicted disease with an incidence rate higher than a preset threshold, and recording the predicted disease as a designated disease, and obtaining, based on a preset disease association network, an associated disease directly connected to the designated disease; and outputting the disease prediction result and the associated disease, thereby improving the prediction accuracy.
    Type: Application
    Filed: August 30, 2019
    Publication date: September 23, 2021
    Inventors: Wenxiao Jia, Kewei Tan, Xiang Li, Guotong Xie
  • Publication number: 20210294143
    Abstract: A display substrate and a preparation method therefor, a display panel and a display device. The display substrate includes a plurality of pixel regions arranged in an array. The display substrate includes: a base; pixel electrodes provided on the base and located in the pixel regions; separation columns provided on the base and located between two adjacent pixel regions in the row direction, side surfaces of the separation columns having hydrophobic characteristics; and an alignment film provided on the pixel electrodes and located in the pixel regions, where edges of two opposite sides of the alignment film in the row direction are in contact with a side surface of the separation columns, and a surface of the alignment film on a side facing away from the base has a shape of gradually protruding from both sides toward the middle in the row direction.
    Type: Application
    Filed: May 29, 2020
    Publication date: September 23, 2021
    Inventors: Yang YUE, Hongrun WANG, Qi YAO, Tong YANG, Xiang LI, Yong YU, Haitao HUANG, Chuanxiang XU, Feng LIAO
  • Patent number: 11128874
    Abstract: Embodiments of the present invention provide a motion compensating prediction method and a motion compensating prediction apparatus. The motion compensating prediction method includes: determining a location of an initial reference pixel of a current pixel in a reference image, where the current pixel is located in a first sub-image of a current image; when the initial reference pixel is located outside a second sub-image that is in the reference image and that is at a location corresponding to the first sub-image, determining a location of a target reference pixel of the current pixel in the reference image based on the location of the initial reference pixel; and determining a predicted value of a pixel value of the current pixel based on a pixel value of the target reference pixel and/or a pixel value of a pixel near the target reference pixel.
    Type: Grant
    Filed: February 28, 2019
    Date of Patent: September 21, 2021
    Assignees: Huawei Technologies Co., Ltd., University of Science and Technology of China
    Inventors: Xiang Ma, Haitao Yang, Li Li, Houqiang Li
  • Patent number: 11128870
    Abstract: Aspects of the disclosure provide method and apparatus for video coding. In some examples, an apparatus includes processing circuitry for video decoding. The processing circuitry decodes prediction information of a current block from a coded video bitstream. The prediction information is indicative of an intra block copy mode. The processing circuitry selects, from a set of multiple candidate resolutions, a resolution of a block vector difference for the current block, and determines a block vector of the current block according to the selected resolution of the block vector difference and a block vector predictor of the current block. Then, the processing circuitry reconstructs at least one sample of the current block according to the block vector.
    Type: Grant
    Filed: March 31, 2020
    Date of Patent: September 21, 2021
    Assignee: TENCENT AMERICA LLC
    Inventors: Xiaozhong Xu, Xiang Li, Shan Liu
  • Patent number: 11128867
    Abstract: Aspects of the disclosure provide a method and an apparatus for video coding. In some embodiments, the apparatus includes processing circuitry. The processing circuitry can decode encoding information for a block of a picture in a coded video bitstream. The encoding information indicates a position of a sub-region in the block and a position of an additional sub-region in each of at least one neighboring block of the block. A combined sub-region includes the sub-region and the additional sub-region in each of the at least one neighboring block. The combined sub-region is at a center of a combined block including the block and the at least one neighboring block. The processing circuitry can reconstruct first samples that are inside the combined sub-region using residue data of the first samples and reconstruct second samples that are outside of the combined sub-region in the combined block without residue data.
    Type: Grant
    Filed: October 30, 2019
    Date of Patent: September 21, 2021
    Assignee: Tencent America LLC
    Inventors: Xiang Li, Xin Zhao, Shan Liu, Meng Xu
  • Patent number: 11127334
    Abstract: A display device and a display method of the same are provided. The display device includes: a color electrophoretic display pixel layer and a liquid crystal layer; the color electrophoretic display pixel layer includes electrophoretic display pixel units arranged in an array, each of the electrophoretic display pixel units includes three pixel sub-units, and each of the electrophoretic display pixel units is configured to display a color by mixing colors of the three pixel sub-units; the liquid crystal layer is disposed on a light-emitting surface of the color electrophoretic display pixel layer, and a luminous flux of light emitted from the color electrophoretic display pixel layer is changed by controlling a deflection angle of a liquid crystal in the liquid crystal layer.
    Type: Grant
    Filed: March 27, 2020
    Date of Patent: September 21, 2021
    Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Rui Xu, Chao Tian, Min Wang, Zhe Wang, Shuo Li, Xiang Yuan, Qingqing Ma, Yinan Gao, Guojie Qin
  • Patent number: 11128309
    Abstract: A digital calibration method, a device, and a true random number generator circuit are provided. In one aspect, the embodiment of the present disclosure uses the digital calibration method to calibrate compensation of a circuit to be calibrated, output of the circuit to be calibrated is sampled and tested multiple times, and whether a current test compensation calibration code value can make the circuit to be calibrated meet specified accuracy is judged based on a probability that the output result is a target result. Through sampling the output of the circuit to be calibrated multiple times, the selected compensation calibration code has higher accuracy.
    Type: Grant
    Filed: December 15, 2020
    Date of Patent: September 21, 2021
    Assignee: Shenzhen Goodix Technology Co., Ltd.
    Inventors: Yuan Su, Xiang Fang, Zheng Li
  • Patent number: 11128863
    Abstract: A method of and an apparatus for controlling intra prediction for decoding of a video sequence are provided. The method includes setting a table including a plurality of intra prediction modes respectively corresponding to a plurality of intra prediction angles, the plurality of intra prediction angles including diagonal intra prediction angles respectively corresponding to diagonal directions of all shapes of coding units, and selecting, for decoding the video sequence, one of the plurality of intra prediction modes, from the set table.
    Type: Grant
    Filed: February 20, 2020
    Date of Patent: September 21, 2021
    Assignee: TENCENT AMERICA LLC
    Inventors: Liang Zhao, Xin Zhao, Xiang Li, Shan Liu
  • Publication number: 20210283499
    Abstract: Aspects of the disclosure provide methods and apparatuses for cloud gaming. In some examples, an apparatus for cloud gaming includes processing circuitry. For example, the processing circuitry receives a video sequence and metadata associated with the video sequence. The video sequence includes a sequence of picture frames generated in response to gaming control information, and the metadata is determined based on the gaming control information. The processing circuitry can determine, based on the metadata, an encoding configuration for encoding the video sequence. Then the processing circuitry encodes, based on the encoding configuration, the video sequence into a coded video bitstream.
    Type: Application
    Filed: February 24, 2021
    Publication date: September 16, 2021
    Applicant: TENCENT AMERICA LLC
    Inventors: Guichun LI, Xiang LI, Xiaozhong XU, Byeongdoo CHOI, Shan LIU
  • Publication number: 20210289018
    Abstract: Aspects of the disclosure provide methods and apparatuses for cloud gaming. In some examples, an apparatus for cloud gaming includes processing circuitry. For example, the processing circuitry receives a video sequence and metadata associated with the video sequence. The video sequence includes a sequence of picture frames generated in response to gaming control information, and the metadata is indicative of the gaming control information. The processing circuitry can configure encoding parameters based on the metadata that is indicative of the gaming control information. Then, the processing circuitry can encode the video sequence into a coded video bitstream, based on the encoding parameters.
    Type: Application
    Filed: February 16, 2021
    Publication date: September 16, 2021
    Applicant: TENCENT AMERICA LLC
    Inventors: Guichun LI, Xiang LI, Xiaozhong XU, Byeongdoo CHOI, Shan LIU
  • Publication number: 20210289231
    Abstract: A method of utilizing an 8-bit primary transform core matrix to decode compressed video or image data or encode uncompressed video or image data. The method may include determining whether to use a first transform core matrix that is of a first size type or a second transform core matrix that is of a second size type that is smaller than the first size type. When a result of the determination is to use the first transform core matrix, encoding or decoding the target file using the 8-bit primary transform core matrix that has the size that is 64-point or larger. If not, the method may include extracting the second transform core matrix of the second size type from the first transform matrix and encoding or decoding the target file using the extracted second transform core matrix.
    Type: Application
    Filed: May 13, 2021
    Publication date: September 16, 2021
    Applicant: TENCENT AMERICA LLC
    Inventors: Xin ZHAO, Xiang LI, Shan LIU
  • Publication number: 20210289218
    Abstract: Aspects of the disclosure provide methods, apparatuses, and non-transitory computer-readable storage mediums for video encoding/decoding. An apparatus includes processing circuitry that decodes prediction information for a current block in a current picture that is a part of a coded video sequence. The prediction information includes an adaptive color transform (ACT) flag indicating whether ACT is enabled for the current block. The processing circuitry determines whether a transform unit (TU) split is performed on the current block based on a maximum transform size that is determined according to whether the ACT flag indicates the ACT is enabled for the current block. The processing circuitry determines a type of the TU split in response to the TU split being determined to be performed on the current block. The processing circuitry performs the TU split on the current block based on the determined type of the TU split.
    Type: Application
    Filed: November 13, 2020
    Publication date: September 16, 2021
    Applicant: TENCENT AMERICA LLC
    Inventors: Lien-Fei CHEN, Xiang LI, Shan LIU
  • Publication number: 20210279934
    Abstract: A method and apparatus for generating a virtual avatar are provided. The method may include: acquiring a first avatar, and determining an expression parameter of the first avatar, where the expression parameter of the first avatar including an expression parameter of at least one of five sense organs; and determining, based on the expression parameter of at least one of the five sense organs, a target virtual avatar that is associated with an attribute of the first avatar and has an expression of the first avatar.
    Type: Application
    Filed: February 23, 2021
    Publication date: September 9, 2021
    Applicant: Beijing Baidu Netcom Science and Technology Co., Ltd.
    Inventors: Xiang LONG, Xin Li, Henan Zhang, Hao Sun
  • Publication number: 20210281863
    Abstract: Aspects of the disclosure provide methods and apparatuses for video encoding/decoding. In some examples, an apparatus for video decoding includes receiving circuitry and processing circuitry. For example, the processing circuitry decodes prediction information of a current block in a current picture from a coded video bitstream. The prediction information is indicative of an inter prediction mode with a potential usage of a refinement technique based on a first reference picture and a second reference picture. Then, the processing circuitry determines whether a first equal weighting condition of chroma components from the first reference picture and the second reference picture is satisfied. In response to a failure to satisfy the first equal weighting condition of the chroma components from the first reference picture and the second reference picture, the processing circuitry disables the refinement technique in a reconstruction of a sample in the current block.
    Type: Application
    Filed: May 25, 2021
    Publication date: September 9, 2021
    Applicant: TENCENT AMERICA LLC
    Inventors: Guichun LI, Xiang LI, Xiaozhong XU, Shan LIU
  • Publication number: 20210278074
    Abstract: A lighting apparatus includes a light source plate, a light passing cover, a sleeve housing and an air tube. The light source plate is mounted with a LED module for emitting a light. The LED module faces to the light passing cover to allow the light to pass through. The LED module is enclosed within a container space. The sleeve housing has a first end supporting the light source plate. The Edison cap is fixed to a second end of the sleeve housing. The air tube has a top opening connected to the container space for guiding a heated air in the container space away from the container space via the air tube.
    Type: Application
    Filed: March 5, 2021
    Publication date: September 9, 2021
    Inventors: Xiang Li, Yongjun Bao, Shenghong Liu, Quan Lin, Yandong Zheng
  • Patent number: 11116072
    Abstract: An apparatus is described. The apparatus includes a semiconductor chip having cross-talk noise cancellation circuitry disposed between a disturber trace and a trace to be protected from cross-talk noise emanating from the disturber trace. The trace is to be coupled to a receiver disposed on a different semiconductor chip.
    Type: Grant
    Filed: November 17, 2017
    Date of Patent: September 7, 2021
    Assignee: Intel Corporation
    Inventors: Jun Liao, Zhen Zhou, James A. McCall, Jong-Ru Guo, Xiang Li, Yunhui Chu, Zuoguo Wu
  • Patent number: 11115652
    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 includes determining whether one or more neighboring blocks in a video sequence is coded by an intra prediction mode, entropy coding a prediction mode flag of a current block by a first context in response to determining that at least one of the neighboring blocks is coded by the intra prediction mode, and entropy coding the prediction mode flag of the current block by a second context in response to determining that none of the neighboring blocks are coded by at least the intra prediction mode.
    Type: Grant
    Filed: April 24, 2019
    Date of Patent: September 7, 2021
    Assignee: TENCENT AMERICA LLC
    Inventors: Xin Zhao, Xiang Li, Shan Liu
  • Publication number: 20210271811
    Abstract: Aspects of the present disclosure relate to a text labeling method and device, and more specifically to the field of deep learning and solving the problem of low efficiency and low accuracy of a feature extraction process. The method can include processing input information to obtain word embedding representation information of the input information, performing dynamic convolution feature extraction on the word embedding representation information to obtain a classification result of each character from the word embedding representation information, and inserting a label into the input information based on the classification result.
    Type: Application
    Filed: July 15, 2020
    Publication date: September 2, 2021
    Applicant: Beijing Xiaomi Pinecone Electronics Co., Ltd.
    Inventors: Jingwei LI, Yuhui SUN, Xiang LI
  • Publication number: 20210271216
    Abstract: Disclosed are an energy service system of a multi-machine production line and a control method thereof, the method includes reorganizing respective machines in the production line into three types of controllable entities: a drive system, an energy supply bus and an execution device, equipping them with a control center, and selecting a sub-drive system that is idle and is capable of completing the work stage with high energy efficiency to supply energy service for the corresponding execution device through the energy supply bus. Further disclosed is a design method of a multi-machine shared drive system of a production line, which increases the number of basic flow units of each drive unit to a maximum value one by one, and coordinates action time to form a variety of scheduling schemes, and selects a configuration scheme whose total time and total energy consumption are less as the shared drive system.
    Type: Application
    Filed: May 19, 2021
    Publication date: September 2, 2021
    Inventors: Haihong HUANG, Xiang ZOU, Lei LI, Libin ZHU, Zhifeng LIU