Patents by Inventor XIANG-AN LIU

XIANG-AN LIU 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: 20240135594
    Abstract: A method and apparatus comprising computer code configured to cause a processor or processors to determine more than one vertices in an input mesh, and group the more than one vertices in more than one group of vertices. The grouping of a respective vertex in a respective group may be based on a topological distance of the respective vertex. In embodiments, the processor or processors may also determine a set of filter coefficients for the more than one group of vertices; and signal the more than one group of vertices and the set of filter coefficients.
    Type: Application
    Filed: October 12, 2023
    Publication date: April 25, 2024
    Applicant: Tencent America LLC
    Inventors: Xiang ZHANG, Xiaozhong XU, Chao HUANG, Jun TIAN, Shan LIU
  • Publication number: 20240134147
    Abstract: An optical element driving mechanism is provided. The optical element driving mechanism includes a movable portion used for connecting an optical element, a fixed portion, and a driving assembly used for driving the movable portion to move relative to the fixed portion. The movable portion is movable relative to the fixed portion.
    Type: Application
    Filed: October 19, 2023
    Publication date: April 25, 2024
    Inventors: Po-Xiang ZHUANG, Chen-Hung CHAO, Wei-Jhe SHEN, Shou-Jen LIU, Kun-Shih LIN, Yi-Ho CHEN
  • Patent number: 11965419
    Abstract: The present invention discloses a multi-energy complementary system for a co-associated abandoned mine and a use method. The multi-energy complementary system for a co-associated abandoned mine includes a mining mechanism, a grouting mechanism and an energy mechanism. In the present invention, the mining of coal and uranium resources is realized through the mining mechanism, the subsidence and seepage reduction of the stratum is realized through the grouting mechanism, and the effective utilization of waste resources is realized through the energy mechanism. Finally, with the efficient cooperation of the three mechanisms, safe and efficient development and utilization of co-associated resources in the full life cycle are realized, and the purposes of green and efficient mining of coal and uranium resources and secondary development of a coal seam goaf are achieved, thereby facilitating the realization of dual-carbon goals and the development of low-carbon green energy.
    Type: Grant
    Filed: April 28, 2022
    Date of Patent: April 23, 2024
    Assignee: ANHUI UNIVERSITY OF SCIENCE AND TECHNOLOGY
    Inventors: Tong Zhang, Liang Yuan, Yanfang Li, Zegong Liu, Ming Tang, Xin Yang, Xiang Yu, Shuai Liu, Xin Lv
  • Patent number: 11967025
    Abstract: In some examples, an apparatus for mesh processing includes processing circuitry. The processing circuitry receives a first mesh frame with polygons representing a surface of an object, and determining that the first mesh frame is a non manifold type mesh in response to one or more singularity components in the first mesh frame. The processing circuitry converts the first mesh frame to a second mesh frame that is a manifold type mesh. The first mesh frame has first boundary loops that respectively correspond to second boundary loops in the second mesh frame. The processing circuitry detects the second boundary loops in the second mesh frame, and determines the first boundary loops in the first mesh frame according to the second boundary loops in the second mesh frame.
    Type: Grant
    Filed: September 22, 2022
    Date of Patent: April 23, 2024
    Assignee: TENCENT AMERICA LLC
    Inventors: Chao Huang, Xiang Zhang, Jun Tian, Xiaozhong Xu, Shan Liu
  • Patent number: 11967919
    Abstract: A photovoltaic building material, which can safely generate electric power with solar power energy is disclosed. The photovoltaic building material can be used as building material, and can be directly installed on the fixed part of the building, such as roof, wall or decoration materials on the surface of building. The photovoltaic building material is accord with the architectural requirements of waterproof, fireproof, load-carrying ability, durability and heat-insulation. When this invention is installed on the roof, the automatic spraying device can be set up on the height of ridge, which realizes the functions of roof cleaning and cooling down by the automatic water spraying. Also, with the auxiliary device, this invention can intensify the ability to withstand strong winds for roof, and can ensure safety in the typhoon/hurricane area.
    Type: Grant
    Filed: July 1, 2021
    Date of Patent: April 23, 2024
    Assignee: Accelenergy Power Pte. Ltd.
    Inventors: Tsung-Hsin Chen, Yong-Xiang Cui, Keh-Tao Liu, Hisayoshi Kobayashi
  • Patent number: 11968365
    Abstract: Aspects of the disclosure provide method and apparatus for video coding. In some examples, an apparatus includes receiving circuitry and processing circuitry. The processing circuitry decodes, from a coded video bitstream, a syntax element for an adjusted version of an initial quantization parameter (QP) value at a picture level for a picture. The adjusted version is in a range with an upper boundary that is changed with a maximum QP value. Then, the processing circuitry determines the initial QP value of a segment (such as a slice, a tile, a group of tiles and the like) in the picture based on the syntax element and determines a QP value for a block in the segment according to the initial QP value of the segment and adjustments associated with the block. Then, the processing circuitry performs an inverse quantization on quantized data of the block according to the determined QP value.
    Type: Grant
    Filed: April 7, 2023
    Date of Patent: April 23, 2024
    Assignee: TENCENT AMERICA LLC
    Inventors: Xiang Li, Xiaozhong Xu, Shan Liu
  • Patent number: 11966900
    Abstract: A transaction record is created showing a purchase transaction of a customer. A CV profile showing a list of items in the transaction obtained from images is also obtained. The items in the transaction record are compared to items on the list. When there is a discrepancy, an action to take is determined.
    Type: Grant
    Filed: July 16, 2020
    Date of Patent: April 23, 2024
    Assignee: Walmart Apollo, LLC
    Inventors: Zhichun Xiao, Lingfeng Zhang, Jon Hammer, Joseph Duffy, Yao Liu, Sicong Fang, Xiang Yao, Pingyuan Wang, Yu Tao, Tianyi Mao, Yutao Tang, Feiyun Zhu, Han Zhang, Chunmei Wang, Pingjian Yu, Muzzammil Afroz, Haining Liu
  • Patent number: 11968366
    Abstract: A video encoding method and apparatus is provided. The method includes determining a chroma format of a video frame, determining, for a currently decoded first quantization matrix (QM), a size of the first QM according to the determined chroma format and a size of a luma transform block (TB) when the first QM is a chroma QM, and decoding the first QM when the size of the first QM is greater than zero. Thus, a size of a chroma QM is flexibly determined according to a chroma format and a size of a luma TB, rather than a fixed size predefined according to an identifier of the QM, thereby improving flexibility during encoding and decoding of the chroma QM. Apparatus and non-transitory computer-readable storage medium counterpart embodiments are also provided.
    Type: Grant
    Filed: October 28, 2021
    Date of Patent: April 23, 2024
    Assignee: TENCENT TECHNOLOGY (SHENZHEN) COMPANY LIMITED
    Inventors: Hongbin Zhang, Xiang Li, Guichun Li, Shan Liu
  • Patent number: 11967120
    Abstract: A method, computer program, and computer system is provided for point cloud coding. The method includes receiving, from a bitstream, data corresponding to a point cloud; reconstructing, based on the data, a first attribute value of a first duplicate point from among a plurality of duplicate points corresponding to a single geometry position; obtaining at least one prediction residual corresponding to at least one remaining attribute value of at least one remaining duplicate point from among the plurality of duplicate points; reconstructing the at least one remaining attribute value based on the reconstructed first attribute and the at least one prediction residual; and decoding the data corresponding to the point cloud based on the reconstructed first attribute value and the reconstructed at least one remaining attribute value.
    Type: Grant
    Filed: July 6, 2021
    Date of Patent: April 23, 2024
    Assignee: TENCENT AMERICA LLC
    Inventors: Xiang Zhang, Wen Gao, Shan Liu
  • Publication number: 20240124365
    Abstract: A preparation method of submicron powder of high-entropy nitride via nitride thermal reduction with mechano-chemical assistance, comprising material preparation—grinding—activation—preforming—reaction. In the present invention, high-entropy metal nitride and silicon nitride is used as raw materials, soft mechanochemical activation technologies are used to reduce reaction activation energy of the system, thereafter, by thermal reduction of the nitride, high-purity high-entropy nitride powder is prepared with solid phase methods, and the shortage of high-purity high-entropy nitride powder is addressed. There is no impure phase in the (Hf0.2Zr0.2Ti0.2Nb0.2Ta0.2)N high entropy powder prepared according to the present invention, and a single phase solid solution of good crystallinity is formed, and distribution of elements and ingredients in the powder is even, no foreign element is present, and oxygen content is controlled to be less than 0.3%.
    Type: Application
    Filed: June 14, 2023
    Publication date: April 18, 2024
    Inventors: Youjun LU, Lutong YANG, Xiang LIU, Chuyun WANG, Wuyang SONG, Jiahao XU
  • Patent number: 11962381
    Abstract: Embodiments of the present invention disclose a communication method and a device. Configuration information indicating one or more spatial domain beam basis vector groups and Q thresholds is received from a network device, where the Q thresholds correspond one-to-one to spatial domain beam basis vectors in the one or more spatial domain beam basis vector groups. L spatial domain beam basis vectors are selected from a spatial domain beam basis vector group set. K frequency domain basis vectors are selected from a frequency domain basis vector set for each of the L spatial domain beam basis vectors.
    Type: Grant
    Filed: July 9, 2021
    Date of Patent: April 16, 2024
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Xiang Gao, Kunpeng Liu, Ruiqi Zhang
  • Patent number: 11959238
    Abstract: A system for a sandy soil landfill solid waste polluted river channel, includes a ground water interception and diversion system and a river channel ecological remediation system. The ground water interception and diversion system includes a water intake well arranged upstream of ground water in a landfill area, a buffer pool communicated with the water intake well, and a wastewater treatment system communicated with the buffer pool. The water intake well, the buffer pool, and the wastewater treatment system are communicated through a wastewater pipe. An electric wastewater valve and a variable frequency water pump are arranged on the wastewater pipe in sequence. The river channel ecological remediation system includes an impermeable layer arranged at a bottom of a river channel and ecological bank protections arranged on both sides of a river channel slope.
    Type: Grant
    Filed: November 24, 2023
    Date of Patent: April 16, 2024
    Assignee: Nanjing Institute of Environmental Sciences, MEE
    Inventors: Houhu Zhang, Xiaofei Yan, Jinglong Liu, Lichen Liang, Congcong Sun, Xiang Chen, Cheng Zhang
  • Patent number: 11962160
    Abstract: A generator control system capable of realizing series-parallel connection comprises a first generator, a second generator, a first inverter and a second inverter, wherein a power output terminal of the first generator is connected to a power input terminal of the first inverter, and a power output terminal of the second generator is connected to a power input terminal of the second inverter. The generator control system further comprises a series-parallel connection box, and the first inverter and the second inverter are connected to the series-parallel connection box. Various voltages and power can be provided through the change-over switch.
    Type: Grant
    Filed: February 22, 2023
    Date of Patent: April 16, 2024
    Assignee: CHONGQING DINKING POWER MACHINERY CO., LTD
    Inventors: Jinbo Lu, Xiang Liu, Yuansong Wu, Shiqian Xie, Hai Xu
  • Publication number: 20240121444
    Abstract: A method and apparatus for encoding or decoding a video sequence includes applying a Cross-Component Linear Model (CCLM) to a video sequence, and applying an interpolation filter in the Cross-Component Linear Model (CCLM), wherein the interpolation filter is dependent upon a YUV format of the video sequence.
    Type: Application
    Filed: December 1, 2023
    Publication date: April 11, 2024
    Applicant: TENCENT AMERICA LLC
    Inventors: Liang ZHAO, Xin Zhao, Xiang Li, Shan Liu
  • Patent number: 11956456
    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: Grant
    Filed: June 27, 2023
    Date of Patent: April 9, 2024
    Assignee: TENCENT AMERICA LLC
    Inventors: Guichun Li, Xiaozhong Xu, Xiang Li, Shan Liu
  • Patent number: 11953437
    Abstract: The present disclosure relates to a device for measuring a first analyte concentration and a second analyte concentration in a measuring medium, the device including: a sample cell; a first light source unit; a first detector unit; a functional element; a second light source unit; a second detector unit; and a control unit adapted to analyze a detected first light for determining a first value representing the concentration of the first analyte in the measuring medium and adapted to analyze a detected third light for determining a second value representing the concentration of the second analyte in the measuring medium. A method of using the device is also disclosed.
    Type: Grant
    Filed: August 25, 2021
    Date of Patent: April 9, 2024
    Assignee: Endress+Hauser Optical Analysis, Inc.
    Inventors: Marc Winter, Xiang Liu, Thomas Wilhelm
  • Patent number: 11953427
    Abstract: Frequency registration deviations occurring during a scan of a frequency or wavelength range by a spectroscopic analysis system can be corrected using passive and/or active approaches. A passive approach can include determining and applying mathematical conversions to a recorded field spectrum. An active approach can include modifying one or more operating parameters of the spectroscopic analysis system to reduce frequency registration deviation.
    Type: Grant
    Filed: August 3, 2016
    Date of Patent: April 9, 2024
    Assignee: Endress+Hauser Optical Analysis, Inc.
    Inventors: Alfred Feitisch, Xiang Liu, Kevin Ludlum, Mathias Schrempel
  • Patent number: 11953512
    Abstract: An intelligent experimental device for collaborative mining of associated resources includes a signal transmission mechanism, a pressure maintaining mechanism, a feeding mechanism, and a reaction mechanism. The signal transmission mechanism includes a centralized controller, an annunciator, signal receivers, a power supply, a power cord, signal transmitters, and signal sensing valves. The pressure maintaining mechanism includes ambient and axial pressure oil chambers, ambient and axial pressure pumps, ambient and axial pressure liquid distribution tanks, a comprehensive pressure distribution pipe, and hydraulic transmission pipes. The feeding mechanism includes monitoring analyzers, temperature controllers, solution transfer pipes, seepage pumps, mixture conveying pipes, a comprehensive liquid distributor, an aggregate chamber, a liquid chamber, an oil chamber, a gas chamber, a mixing chamber and an analytical purifier.
    Type: Grant
    Filed: May 19, 2022
    Date of Patent: April 9, 2024
    Assignee: ANHUI UNIVERSITY OF SCIENCE AND TECHNOLOGY
    Inventors: Tong Zhang, Xiang Yu, Yankun Ma, Yanfang Li, Liang Yuan, Zegong Liu
  • Publication number: 20240114173
    Abstract: A method, computer program, and computer system for encoding or decoding video data, and indicating, with a syntax element, types of slices for all slices of a coded picture, the syntax element being coded using an unsigned integer.
    Type: Application
    Filed: November 17, 2023
    Publication date: April 4, 2024
    Applicant: TENCENT AMERICA LLC
    Inventors: Ling LI, Xiaozhong XU, Byeongdoo CHOI, Xiang LI, Stephan WENGER, Shan LIU
  • Patent number: D1022928
    Type: Grant
    Filed: February 17, 2023
    Date of Patent: April 16, 2024
    Assignee: Chongqing Dinking Power Machinery Co., Ltd
    Inventors: Jingbo Lu, Xiang Liu, Yuansong Wu, Zhibo Hu