Patents by Inventor Xin Liu

Xin 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).

  • Patent number: 11945457
    Abstract: A method for data analysis, an electronic device, and a computer readable storage medium are provided. The method includes the following. A trip order is obtained. A smart contract is generated based on the trip order. Trip data uploaded by an on-board equipment is obtained. The smart contract is triggered based on the trip data and the trip order. Early-warning which corresponds to the smart contract is performed.
    Type: Grant
    Filed: February 26, 2020
    Date of Patent: April 2, 2024
    Assignee: LAUNCH TECH CO., LTD.
    Inventor: Xin Liu
  • Patent number: 11949866
    Abstract: In a method of video decoding at a video decoder, a coded video bitstream is received. The coded video bitstream includes a first high level syntax (HLS) element indicating whether a second HLS element is included in the coded video bitstream. The second HLS element indicates whether explicit multiple transform selection (MTS) for intra coding is enabled. Whether an implicit MTS is enabled for a current block is determined responsive to (i) the first HLS element indicating that the second HLS element is included in the coded video bitstream, (ii) the second HLS element indicating that the explicit MTS for intra coding is disabled, and (iii) a prediction mode of the current block is an intra prediction mode. Further, the current block is reconstructed based on whether the implicit MTS is enabled.
    Type: Grant
    Filed: November 23, 2022
    Date of Patent: April 2, 2024
    Assignee: TENCENT AMERICA LLC
    Inventors: Shan Liu, Xin Zhao, Xiang Li
  • Patent number: 11945065
    Abstract: A multi-axis turntable includes a base, a rocker arm and a first driving device capable of driving the rocker arm to rock around the first rotation axis on the base. A swing arm and a second driving device, which is capable of driving the swing arm to swing around the second rotation axis on the rocker arm, are provided on the rocker arm. A workbench and a third driving device for driving the workbench to rotate around the third rotation axis are provided on the swing arm. The second rotation axis and the third rotation axis are parallel to each other or on different planes. Compared with the existing double rotating shaft turntable, the multi-axis turntable of the present invention has a cutting tool system of good and stable rigidity.
    Type: Grant
    Filed: November 27, 2020
    Date of Patent: April 2, 2024
    Assignee: KEDE NUMERICAL CONTROL CO., LTD.
    Inventors: Hu Chen, Xin Deng, Zhihong Wei, Hongwei Sun, Yapeng Li, Haibo Zhang, Changlin Du, Cuijuan Guo, Guoshuai Zhang, Jun Wang, Feng Wang, Yinghua Li, Shaoyi Liu, Zidan Ju
  • Patent number: 11948333
    Abstract: A disparity image fusion method for multiband stereo cameras belongs to the field of image processing and computer vision. The method obtains pixel disparity confidence information by using the intermediate output of binocular disparity estimation. The confidence information can be used to judge the disparity credibility of the position and assist disparity fusion. The confidence acquisition process makes full use of the intermediate output of calculation, and can be conveniently embedded into the traditional disparity estimation process, with high calculation efficiency and simple and easy operation. In the disparity image fusion method for multiband stereo cameras proposed by the method, the disparity diagrams participating in the fusion are obtained according to the binocular images of the corresponding bands, which makes full use of the information of each band and simultaneously avoiding introducing uncertainty and errors.
    Type: Grant
    Filed: March 5, 2020
    Date of Patent: April 2, 2024
    Assignees: DALIAN UNIVERSITY OF TECHNOLOGY, PENG CHENG LABORATORY
    Inventors: Wei Zhong, Hong Zhang, Haojie Li, Zhihui Wang, Risheng Liu, Xin Fan, Zhongxuan Luo, Shengquan Li
  • Patent number: 11949849
    Abstract: A method for video decoding is provided. For a current block, whether an angular intra prediction mode for the current block is a wide angle mode that is in a direction outside of a range of directions that spans a bottom left diagonal direction and a top right diagonal direction of the current block is determined. Based on the angular intra prediction mode being determined as the wide angle mode, an intra smooth filter is enabled, the enabled intra smooth filter is applied to blocks neighboring the current block to generate filtered blocks, and intra prediction is performed based on the filtered blocks to decode the current block.
    Type: Grant
    Filed: November 28, 2022
    Date of Patent: April 2, 2024
    Assignee: TENCENT AMERICA LLC
    Inventors: Liang Zhao, Xin Zhao, Xiang Li, Shan Liu
  • Patent number: 11949854
    Abstract: Aspects of the disclosure provide methods and apparatuses for video encoding/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 is indicative of a prediction mode that combines an intra prediction and an inter prediction. The intra prediction is based on at least a first reference sample in the current picture, and the inter prediction is based on at least a second reference sample in a reference picture of the current picture. Further, the processing circuitry determines coding tools associated with the prediction mode that combines the intra prediction and the inter prediction and reconstruct at least a sample of the current block according to the determined coding tools associated with the prediction mode.
    Type: Grant
    Filed: January 14, 2022
    Date of Patent: April 2, 2024
    Assignee: TENCENT AMERICA LLC
    Inventors: Guichun Li, Liang Zhao, Xin Zhao, Xiang Li, Shan Liu
  • Patent number: 11949850
    Abstract: A method of selecting a reference sample used to encode a current block in an encoded video bitstream using at least one processor includes determining that a constrained intra prediction (CIP) mode is enabled; determining that a neighboring sample of the current block belongs to a coding block that is coded using intra block copy (IBC) coding; based on the determining that the neighboring sample belongs to the coding block that is coded using the IBC coding, selecting the neighboring sample as the reference sample; and encoding the current block using intra prediction coding based on the reference sample.
    Type: Grant
    Filed: August 19, 2021
    Date of Patent: April 2, 2024
    Assignee: TENCENT AMERICA LLC
    Inventors: Xin Zhao, Xiang Li, Liang Zhao, Shan Liu
  • Patent number: 11949528
    Abstract: Disclosed are an information interaction method and apparatus, and an electronic device. One specific embodiment of the method comprises: in response to a user logging in to a live interface initiated based on a multimedia conference, displaying a live data stream of the multimedia conference in the live interface initiated based on the multimedia conference, wherein the live data stream is generated on the basis of an interactive data stream of a participating user of the multimedia conference; receiving interactive content input by the user on the basis of the live data stream, and generating interactive information according to the interactive content; and sending the interactive information to a serving end, so as to instruct the serving end to send the interactive information to a terminal device that displays the live interface. The communication efficiency of information related to the content of a multimedia conference is thus improved.
    Type: Grant
    Filed: July 18, 2022
    Date of Patent: April 2, 2024
    Assignee: Beijing Bytedance Network Technology Co., Ltd.
    Inventors: Zhenli Dai, Jingsheng Yang, Decai Liu, Mengyuan Xiong, Xin Zhang, Jiaxi Xiahou, Haoran Pang, Ziyun Qi
  • Patent number: 11949898
    Abstract: Systems and methods for improved delta angle signaling for blocks in video compression are provided. A method includes encoding a bitstream that includes a picture. The encoding includes obtaining a nominal angle of a current block of the picture for intra prediction; obtaining a nominal angle of at least one neighboring block of the current block for intra prediction; determining whether to signal all allowed delta angles of the nominal angle of the current block, or only a subset of the allowed delta angles of the nominal angle of the current block, based on a comparison between the nominal angle of the current block and the nominal angle of the at least one neighboring block; and signaling, within the bitstream, all the allowed delta angles or the subset of the allowed delta angles of the nominal angle of the current block based on the determining.
    Type: Grant
    Filed: October 14, 2022
    Date of Patent: April 2, 2024
    Assignee: TENCENT AMERICA LLC
    Inventors: Liang Zhao, Xin Zhao, Shan Liu
  • Publication number: 20240104346
    Abstract: A method is provided for quantizing a neural network model performed by a processing system. The method comprises determining a scaling factor based on a distribution of weights associated with the neural network model, determining quantized weights based on the scaling factor and the weights associated with the distribution, determining a training loss of the neural network model based on the quantized weights during training of the neural network model, and determining an updated scaling factor for the neural network model based on a gradient of the training loss.
    Type: Application
    Filed: September 15, 2022
    Publication date: March 28, 2024
    Inventors: Lu HOU, Chaofan TAO, Wei ZHANG, Lifeng SHANG, Xin JIANG, Qun LIU, Li QIAN
  • Publication number: 20240104700
    Abstract: A system and method are provided for denoising images. A standard image module is configured to generate a standard anatomy feature and a standard noise feature from a standard image and reconstruct the standard image from the standard anatomy feature and the standard noise feature. A reduced quality image module is configured to generate a reduced quality anatomy feature and a reduced quality noise feature from a reduced quality image, and reconstruct the reduced quality image from the reduced quality anatomy feature and the reduced quality noise feature. A loss calculation module is provided for calculating loss metrics at least partially based on a comparison between 1) the reconstructed standard image and the standard image, and 2) the reconstructed reduced quality image and the reduced quality image. Upon providing the standard image module with the reduced quality anatomy feature, the standard image module outputs a reconstructed standard transfer image.
    Type: Application
    Filed: December 10, 2021
    Publication date: March 28, 2024
    Inventors: XIN WANG, SAIFENG LIU
  • Publication number: 20240106060
    Abstract: A battery pack includes a battery pack box with an internal space including a first region to an n-th region, each provided with a battery cell. A positive electrode active substance in a positive electrode of each k-th battery cell includes lithium iron phosphate and/or lithium nickel cobalt manganate having a first discharge voltage plateau and one or more types of supplementary active substances having a second discharge voltage plateau. For the first battery cell to the n-th battery cell, in any case where a sum of a discharge capacity corresponding to the first discharge voltage plateau and a discharge capacity corresponding to the second discharge voltage plateau is 100%, a discharge capacity proportion corresponding to the second discharge voltage plateau of the k-th battery cell is greater than a discharge capacity proportion corresponding to the second discharge voltage plateau of the (k?1)-th battery cell.
    Type: Application
    Filed: November 7, 2023
    Publication date: March 28, 2024
    Inventors: Miaomiao DONG, Hongyu LIU, Changfeng BIE, Shaocong OUYANG, Huan NI, Chenghua FU, Xin SUN
  • Publication number: 20240107043
    Abstract: Aspects of the disclosure provide methods and apparatuses for video encoding and decoding. The apparatuses include an apparatus for video decoding. Processing circuitry of the apparatus for video decoding can decode coded information for a current block from a coded video bitstream. The coded information indicates a bi-prediction motion compensation mode for the current block. The processing circuitry determines, based on current neighboring reconstructed samples of the current block, first neighboring reconstructed samples of a first prediction block, and second neighboring reconstructed samples of a second prediction block, a weight used in the bi-prediction motion compensation mode. The processing circuitry reconstructs samples in the current block based on a weighted average of corresponding samples in the first prediction block and the second prediction block using the determined weight.
    Type: Application
    Filed: November 15, 2023
    Publication date: March 28, 2024
    Applicant: TENCENT AMERICA LLC
    Inventors: Xin ZHAO, Liang Zhao, Shan Liu
  • Publication number: 20240102963
    Abstract: Disclosed is an eddy current flaw detection system based on a NV (nitrogen-vacancy) color center quantum sensing technology, relating to the technical field of quantum sensing. The system includes a laser transceiver processing unit, a quantum sensor, an excitation coil, a power supply unit, a microwave coil, and a microwave unit. The diamond NV color center precision measurement technology and the eddy current nondestructive flaw detection technology are combined in accordance with the present disclosure. Compared with the traditional technology, the remarkable performance of the diamond NV color center can improve the accuracy of eddy current nondestructive flaw detection and achieve the accurate detection of fine crack defects. Meanwhile, a detection method for an alternating current magnetic field is designed according to the characteristics of the eddy current nondestructive flaw detection.
    Type: Application
    Filed: July 31, 2023
    Publication date: March 28, 2024
    Applicant: ANHUI GUOSHENG QUANTUM TECHNOLOGY CO., LTD.
    Inventors: Shaochun ZHANG, Bowen Zhao, Peng Wang, Dacheng Luo, Zhen Zhang, Xin Liu
  • Publication number: 20240106920
    Abstract: Techniques are disclosed for implementing cross-zone communication for computing zones executing different coding protocols. A server computer system may receive, via a proxy layer of a first instance of an application executing within a first computing zone according to a first set of coding protocols, a request for a service executed via a second instance of the application in a second computing zone according to a second, different set of coding protocols. The system may alter, via a remote layer of the first instance, a set of data specified in the request to comply with the second, set of protocols. The system may transmit, via the remote layer of the first instance to a remote layer of the second instance, the altered set of data. The system may advantageously provide a simplified development interface allowing for both development and testing within a local environment without deployment of multiple different services.
    Type: Application
    Filed: October 17, 2022
    Publication date: March 28, 2024
    Inventors: Xiaojun Luan, Haoran Zhang, Jiaxin Fang, Jun Li, Kun Wang, Pengshan Zhang, Xia Zhang, Xin Wang, Yangxing Liu
  • Publication number: 20240105014
    Abstract: A gaming system includes a game controller configured to, for each game round of a game: select symbols from a first set that includes first special symbols for display in symbol positions associated with reels to form a game outcome; select a second special symbol from a second set and associate the selected second special symbol with an initial reel; associate each previously selected second special symbol with a subsequent reel or remove a previously selected second special symbol; evaluate the game outcome to determine any winning symbol combination occurring in the game outcome; for each reel, accumulate any first special symbol occurring in the game outcome and determine a prize value based on the accumulated first special symbols and any second special symbol associated with the reel when an accumulation threshold for the reel is met; and generate an award based on a total of prize values.
    Type: Application
    Filed: June 1, 2023
    Publication date: March 28, 2024
    Inventors: Igor Suslik, Matthew Chan, Claudia Rae, Xin Liu
  • Publication number: 20240107644
    Abstract: A tubular LED lamp to be used with an external electronic power controlling device which is adapted to provide an input voltage to the lamp, comprising: a LED unit; a driving circuit for the LED unit; and a safety detection circuit adapted to detect whether the tubular LED lamp is correctly connected to an external lamp fixture; characterized in that further comprising: a holding current providing circuit adapted to provide a holding current through the electronic controlling device so as to maintain the electronic controlling device to be conductive; and a controlling circuit adapted to synchronize the safety detection circuit with the holding current providing circuit such that the safety detection circuit is adapted to carry out the detection when the hold current providing circuit is adapted to provide the holding current and the electronic controlling device is conductive; wherein the controlling circuit is adapted to deactivate the holding current providing circuit and the safety detection circuit after
    Type: Application
    Filed: June 15, 2021
    Publication date: March 28, 2024
    Inventors: Deyong KONG, Xin LIU, Feng JU, Liwei SUN, Han LU, Jing YANG, Yuanqiang LIU
  • Publication number: 20240104130
    Abstract: The disclosure provides methods and apparatuses, electronic device, storage medium, computer program product and computer program for search result presentation and for search request processing.
    Type: Application
    Filed: November 30, 2023
    Publication date: March 28, 2024
    Inventors: Yating Lin, Yujie Wu, Mulan Hou, Qingqing Liu, Junpeng Li, Junxin Wu, Xin Yu
  • Patent number: 11943435
    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 selects a reference line from a plurality of potential reference lines and selects an intra prediction mode from a set of potential intra prediction modes that is associated with the reference line. The processing circuitry encodes a block according to the intra prediction mode and at least one reference sample in the reference line. The processing circuitry further generates prediction information of the block. Inclusion of an indication of a reference line index of the reference line in the prediction information is based on the intra prediction mode.
    Type: Grant
    Filed: May 10, 2022
    Date of Patent: March 26, 2024
    Assignee: TENCENT AMERICA LLC
    Inventors: Xin Zhao, Xiang Li, Shan Liu, Liang Zhao
  • Patent number: 11943017
    Abstract: This application discloses a precoding method and apparatus, and an information transmission method and apparatus, and relates to the field of communications technologies, to help improve overall performance of a plurality of data streams corresponding to a same codeword. The precoding method includes: decomposing a channel matrix into a product of a matrix Q, a matrix R, and a matrix PH, where the matrix PH is a conjugate transpose matrix of a matrix P, both the matrix Q and the matrix P are unitary matrices, and the matrix R is an upper triangular matrix; and precoding to-be-sent data based on the matrix P.
    Type: Grant
    Filed: June 24, 2021
    Date of Patent: March 26, 2024
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Xin Xia, Zhenbing Zhang, Yun Liu, Lu Guan