Patents by Inventor Xu Chen
Xu Chen 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).
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Publication number: 20240251095Abstract: 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. The processing circuitry receives coded information of a current block in a current picture from a coded video bitstream, the coded information is indicative of applying local illumination compensation (LIC) on the current block according to a reference block in a reference picture. The processing circuitry constructs a parameter set list for the LIC, the parameter set list comprising a plurality of parameter sets for the LIC, and determines a selected parameter set from the parameter set list according to an index that is decoded from the coded video bitstream. The processing circuitry performs the LIC on the current block based on the selected parameter set to generate compensated samples of the current block according to the reference block in the reference picture.Type: ApplicationFiled: August 31, 2023Publication date: July 25, 2024Applicant: Tencent America LLCInventors: Lien-Fei CHEN, Xiaozhong XU, Xin ZHAO, Roman CHERNYAK, Shan LIU
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Publication number: 20240248261Abstract: An optical fiber array device, where the optical fiber array device comprises a fiber base flange, enabled to hold an integrated positioning sheet. The integrated positioning sheet comprises a plurality of channels, with each formed by at least a positioning hole and a tapered hole. A plurality of fibers or fiber bundles are fixed in the positioning holes of the integrated positioning sheet. The device further comprises a lens array, with each lens of the lens array aligned with one channel of the plurality of channels.Type: ApplicationFiled: February 17, 2023Publication date: July 25, 2024Inventors: Xu Jia, Junjie Chen, Hengyi Fu, Yan Jiang, Guanglong Yu, Lei Lin
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Patent number: 12043617Abstract: The invention discloses a 4-(N-methyl) aminopiperidine myricetin derivative containing dithiocarbamate, and its preparation method and application, whose structural general formula is shown as follows: wherein R is substituted phenyl and substituted aromatic heterocyclic group; n is the number of carbons in the carbon chain, which are 2, 3, 4 and 5 respectively; the substitute phenyl group is an alkyl group containing C1-6, alkoxy group containing C1-6, nitro group, halogen atom or hydrogen atom in ortho-, meta- and para-position on that benzene ring; the aromatic heterocyclic group is thienyl, furyl, pyrrolyl and pyridyl groups; the substituents on the substituted aromatic heterocycle are o-, m-, and p-containing C1-6 alkyl, C1-6 alkoxy, nitro, halogen, and hydrogen atoms. The invention has better inhibitory activity on cancer cells.Type: GrantFiled: December 5, 2019Date of Patent: July 23, 2024Assignee: Guizhou UniversityInventors: Wei Xue, Shichun Jiang, Ziyou Huai, Xu Tang, Yinjiu Huang, Liwei Liu, Mei Chen, Jun He, Shijun Su
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Patent number: 12044595Abstract: The present invention provides a dynamic joint distribution alignment network-based bearing fault diagnosis method under variable working conditions, including acquiring bearing vibration data under different working conditions to obtain a source domain sample and a target domain sample; establishing a deep convolutional neural network model with dynamic joint distribution alignment; feeding both the source domain sample and the target domain sample into the deep convolutional neural network model with initialized parameters, and extracting, by a feature extractor, high-level features of the source domain sample and the target domain sample; calculating a marginal distribution distance and a conditional distribution distance; obtaining a joint distribution distance according to the marginal distribution distance and the conditional distribution distance, and combining the joint distribution distance and a label loss to obtain a target function; and optimizing the target function by using SGD, and training theType: GrantFiled: January 13, 2021Date of Patent: July 23, 2024Assignee: SOOCHOW UNIVERSITYInventors: Changqing Shen, Shuangjie Liu, Xu Wang, Dong Wang, Yongjun Shen, Zaigang Chen, Aiwen Zhang, Xingxing Jiang, Juanjuan Shi, Weiguo Huang, Jun Wang, Guifu Du, Zhongkui Zhu
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Patent number: 12045768Abstract: The embodiments of the present disclosure relate to an unmanned delivery device, a delivery robot dispatching method, and an electronic device. The unmanned delivery device includes a container body, M delivery robots and a transfer module. The container body is provided with M cabinet groups and each of the cabinet groups is used to store goods to be delivered by a corresponding delivery robot. The container body is configured to identify a target delivery robot, determine order information of target goods stored in a target cabinet group corresponding to the target delivery robot, and instruct the target delivery robot to deliver the target goods according to the order information. The transfer module is used to move the target goods stored in the target cabinet group corresponding to the target delivery robot to the target delivery robot.Type: GrantFiled: February 27, 2020Date of Patent: July 23, 2024Assignee: RAJAX NETWORK TECHNOLOGY (SHANGHAI) CO., LTD.Inventors: Zhijun Guan, Wei Chen, Xu Liu, Jiqiang Fan
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Publication number: 20240239059Abstract: A molding method of a support rod that first passing a plurality of long fibers through a resin bath for impregnating with resin, then passing the plurality of long fibers impregnated with resin through a bundling hole of a position-constrained vertical plate on a machine to preliminarily form a bundle end; providing a coating layer on the machine, one end of the coating layer obliquely passes through a guiding portion on the position-constrained vertical plate to downwardly contact the bundle end; then placing the one end of the coating layer and the bundle end into a mold cavity of a mold at the same time to form a long rod body; and then cutting the long rod body into multi-segment support rods through a cutting process.Type: ApplicationFiled: May 17, 2023Publication date: July 18, 2024Inventors: Che-Yuan Liu, Chang-Hsing Lee, Ming-Chuan Liu, Zhao-Xu Lai, Pen-Chien Yu, Shu-Fen Wang, Chia-Chang Hsu, Ren-Wei Tsai, Zong-You Chen, Da-Chun Chien
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Patent number: 12039805Abstract: The present invention provides an offline handwriting individual recognition system and method. The method comprises: scanning the suspicious handwriting to obtain a first white light image and a first three-dimensional image, and scanning the sample handwriting to obtain a second white light image and a second three-dimensional image; pre-processing the first white light image and the second white light image to obtain a first pre-processed image and a second pre-processed image; extracting a first skeleton image and a second skeleton image from the first pre-processed image and the second pre-processed image; obtaining a first writing trajectory and a second writing trajectory according to the first skeleton image and the second skeleton image; extracting a first dynamic feature, a first three-dimensional feature, and a second dynamic feature, a second three-dimensional feature; processing to obtain a correlation coefficient, and obtaining an individual recognition result.Type: GrantFiled: November 29, 2019Date of Patent: July 16, 2024Inventors: Xiaohong Chen, Xu Yang, Yachen Wang, Nan Wang, Qimeng Lu
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Patent number: 12035654Abstract: A riding lawn mower includes a seat, a chassis configured to support the seat, a cutting assembly mounted to the chassis, a walking assembly configured to drive the riding lawn mower to walk on a plane, and a steering wheel assembly. The steering wheel assembly includes a steering wheel operable by the user and a connecting rod configured to connect the steering wheel and the chassis. The steering wheel assembly further includes a pivot assembly that rotatably connects the connecting rod and the chassis, and the pivot assembly enables the steering wheel assembly to switch between a working position and a storage position. A distance between the steering wheel and the plane when the steering wheel assembly is in the storage position is smaller than a distance between the steering wheel and the plane when the steering wheel assembly is in the working position.Type: GrantFiled: May 19, 2023Date of Patent: July 16, 2024Assignee: Nanjing Chervon Industry Co., Ltd.Inventors: Cheng Dai, Xi Chen, Toshinari Yamaoka, Min Zhang, Zhen Wang, Lei Wang, Xu Chen
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Publication number: 20240236288Abstract: A method of generating stereoscopic display contents includes obtaining, from a Red, Green, Blue plus Distance (RGB-D) image using a processor, a first Red, Green, and Blue (RGB) image and a depth image; determining, based on depth values in the depth image, a first disparity map in accordance with the RGB-D image; determining a second disparity map and a third disparity map by transforming the first disparity map using a disparity distribution ratio; and generating, by the processor, the pair of stereoscopic images comprising a second RGB image and a third RGB image, wherein the second RGB image is generated by shifting a first set of pixels in the first RGB image based on the second disparity map, and the third RGB image is generated by shifting a second set of pixels in the first RGB image based on the third disparity map.Type: ApplicationFiled: October 25, 2022Publication date: July 11, 2024Inventors: Xin Xie, Nan Xu, Xu Chen
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Publication number: 20240217413Abstract: Provided is a control assembly (3) for a seat belt retractor, the control assembly comprising a first electric motor (31), a second electric motor (32), a control module (33), a third electric motor (34) and a retractor (35), wherein the control module (33) is separately connected to the first electric motor (31), the second electric motor (32) and the third electric motor (34), and collects rotation signals of the first electric motor (31) and the second electric motor (32) and outputs a compensation signal to the third electric motor (34); the rotation of the first electric motor (31) and the rotation of the second electric motor (32) are both related to the angle of the retractor (35); and the third electric motor (34) is connected to the retractor (35) and directly compensates the angle of the retractor (35).Type: ApplicationFiled: June 2, 2022Publication date: July 4, 2024Applicant: Yanfeng International Automotive Technology Co., Ltd.Inventors: Xu CHEN, Zhenhua WANG, Xun TANG, Liudong HU
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Patent number: 12028527Abstract: A video encoder, a video decoder, and a corresponding method, where the method includes, when a plurality of preset conditions are satisfied, performing bi-directional optical flow (BDOF) processing on a current picture block to obtain a predicted sample value of the current picture block, where the plurality of preset conditions include at least a condition that a height (H) of the current picture block is greater than or equal to 8, a width (W) of the current picture block is greater than or equal to 8, and a product of W and H is greater than 128. Thus encoding/decoding complexity and prediction accuracy can be balanced to some extent.Type: GrantFiled: December 23, 2021Date of Patent: July 2, 2024Assignee: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Xu Chen, Haitao Yang, Lian Zhang
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Publication number: 20240215136Abstract: A method includes receiving, via. a. user interface of a computing device, input indicating target illuminances that correspond to surfaces of an object, determining, via the computing device, power levels for compensatory light sources based on the target illuminances and positions and orientations of the surfaces with respect to the compensatory light sources, and causing, via. the computing device, the compensatory light sources to operate according to the power levels.Type: ApplicationFiled: April 25, 2022Publication date: June 27, 2024Inventors: Mark Gerges, Xu Chen
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Publication number: 20240189982Abstract: A robotic system may include a chassis as well as a first leg and a second leg operatively coupled to the chassis. The first leg and the second leg may be configured to move in a vertical direction to move the chassis in a vertical translational degree of freedom. The robotic system may include a proximal conveyor, a first segment including a first segment conveyor extending along a length of the first segment, and a gripper including a distal conveyor extending along a length of the gripper. A first joint between the proximal conveyor and the first segment may be configured to provide a first rotational degree of freedom between the first segment and the proximal conveyor. A second joint between the gripper and the first segment may be configured to provide a second rotational degree of freedom between the first segment and the gripper.Type: ApplicationFiled: December 7, 2023Publication date: June 13, 2024Inventors: Rosen Nikolaev Diankov, Puttichai Lertkultanon, Shintaro Matsuoka, Yoshiki Kanemoto, Jose Jeronimo Moreira Rodrigues, Lei Lei, Yixuan Zhang, Xutao Ye, Yufan Du, Mingjian Liang, Lingping Gao, Xinhao Wen, Xu Chen
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Publication number: 20240190768Abstract: Cement mixtures comprising a hydration retarder comprising algae, cement additives comprising algae and/or derivatives thereof, and methods of forming and using the mixtures and additives are disclosed. The algae can be treated to form desired functional groups to tune retardation properties of the hydration retarder.Type: ApplicationFiled: March 31, 2022Publication date: June 13, 2024Applicant: The Regents of the University of Colorado, a body corporateInventors: Wilfred V. Srubar, III, Xu Chen
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Patent number: 12010293Abstract: A picture prediction method includes: determining whether a merge mode is used for a current picture block; when the merge mode is used for the current picture block, determining whether a regular merge mode is available; when the regular merge mode is unavailable, and a high-layer syntax element sps_triangle_enabled_flag corresponding to a triangle partition mode (TPM), indicates that the TPM is forbidden to be used, determining a combined intra and inter prediction (CIIP) mode as a target merge mode used for the current picture block and predicting the current picture block based on the target merge mode.Type: GrantFiled: October 22, 2021Date of Patent: June 11, 2024Assignee: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Xu Chen, Huanbang Chen, Haitao Yang, Lian Zhang
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Publication number: 20240181016Abstract: The present disclosure provides a polypeptide conjugates comprising GLP-1 receptor agonist and a peptide linker, and pharmaceutical compositions comprising the same. Methods of using such for treating diseases are also provided.Type: ApplicationFiled: November 3, 2022Publication date: June 6, 2024Inventors: Yuanyuan ZHANG, Xinle WU, Haixia ZOU, Peng ZHAI, Yaoguang JIN, Bo WU, Xu CHEN, Wei GUO, Xinyu ZHAO, Zuobin WANG, Lingli ZENG
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Patent number: 12001893Abstract: A system including a machine-learning accelerator (MLA) hardware comprising computation-control units that each have a programmable dependency matrix; and a compiler computing module configured to generate, based on a machine-learning model, dependency instructions indicating dependencies between the computation-control units; wherein the computation-control units include at least: a first computation-control unit configured to generate, after completion of a first operation, a synchronization token representing the completion of the first operation, the synchronization token specifying a recipient identifier for an intended recipient computation-control unit of the synchronization token; a second computation-control unit configured to: configure the programmable dependency matrix of the second computation-control unit according to the dependency instructions to include dependency conditions for performing operations; receive the synchronization token based on the recipient identifier; update a dependency staType: GrantFiled: December 28, 2020Date of Patent: June 4, 2024Assignee: Meta Platforms, Inc.Inventors: Harshit Khaitan, Liangzhen Lai, Xu Chen, Miguel Angel Guerrero, Simon James Hollis
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Publication number: 20240174566Abstract: Provided are a nano-titanium dioxide (NT)/biochar (BC) composite, and a preparation method and use thereof, which belong to the technical field of cement-based materials. NT is introduced into a porous structure of the micron-sized BC, which not only addresses the high aggregation of NT, but also reduces Ca(OH)2 size and crystal growth orientation through effects such as filling and nucleation brought by NT in the porous structure of BC. In this way, more C—S—H gels are generated to fill the pores, thereby improving an interfacial transition zone (ITZ), which enhances the mechanical properties such as compressive strength and flexural strength.Type: ApplicationFiled: February 9, 2023Publication date: May 30, 2024Applicant: QINGDAO UNIVERSITY OF TECHNOLOGYInventors: Shaochun Li, Xu Chen, Mengjun Hu, Ang Liu, Yongjuan Geng, Jialin Jiang
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Patent number: 11988268Abstract: An integrated power distribution apparatus for a cooking robot, including: a bottom plate (1); a motor fixing base (2) fixedly mounted on one side of a surface of the bottom plate, a power motor (3) fixedly mounted on one side of the motor fixing base, a control motor (4) fixedly mounted on a surface of the motor fixing base, two shaft couplers (5) respectively arranged on one sides of the power motor and the control motor, a fixed support (6) fixedly mounted on the surface of the bottom plate, two rotation output shafts (7) respectively arranged on a surface of the fixed support, four power output gears (8) sequentially arranged from left to right on one side of the rotation output shaft, a placement base (22) fixedly mounted on the surface of the bottom plate, and bearings (23) respectively arranged on two sides of an interior of the placement base.Type: GrantFiled: January 25, 2022Date of Patent: May 21, 2024Assignee: SHENZHEN XIANYU POWER TECHNOLOGY CO., LTD.Inventor: Xu Chen
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Patent number: 11985321Abstract: A video encoder, a video decoder, and a corresponding method, where the method includes, when a plurality of preset conditions are satisfied, performing bi-directional optical flow (BDOF) processing on a current picture block to obtain a predicted sample value of the current picture block, where the plurality of preset conditions include at least a condition that a height (H) of the current picture block is greater than or equal to 8, a width (W) of the current picture block is greater than or equal to 8, and a product of W and H is greater than 128. Thus encoding/decoding complexity and prediction accuracy can be balanced to some extent.Type: GrantFiled: December 23, 2021Date of Patent: May 14, 2024Assignee: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Xu Chen, Haitao Yang, Lian Zhang