Patents by Inventor Xu Pan
Xu Pan 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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Patent number: 11969904Abstract: A registration system for robot-oriented augmented reality teaching system, comprising: a physical robot unit, a registration unit, a virtual robot generation unit and a computer; the physical robot unit comprising a physical robot, a physical robot controller and a robot point-to-point intermittent movement control program; the physical robot provided thereon with a physical robot base coordinate system; the physical robot controller connected with the physical robot and the computer respectively; the robot point-to-point intermittent movement control program installed in the computer; the registration unit comprising a registration marker, a camera and a conversion calculation unit; the registration marker arranged on the physical robot body; the camera fixed in a physical environment except the physical robot; the camera connected with the computer, and the conversion calculation unit arranged in the computer; the virtual robot generation unit arranged in the computer and used for generating a virtual roboType: GrantFiled: March 24, 2020Date of Patent: April 30, 2024Assignee: QINGDAO UNIVERSITY OF TECHNOLOGYInventors: Cheng Jun Chen, Xu Tong Ding, Yong Pan, Dong Nian Li, Jun Hong
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Patent number: 11922123Abstract: Techniques for automatically switching between chatbot skills in the same domain. In one particular aspect, a method is provided that includes receiving an utterance from a user within a chatbot session, where a current skill context is a first skill and a current group context is a first group, inputting the utterance into a candidate skills model for the first group, obtaining, using the candidate skills model, a ranking of skills within the first group, determining, based on the ranking of skills, a second skill is a highest ranked skill, changing the current skill context of the chatbot session to the second skill, inputting the utterance into a candidate flows model for the second skill, obtaining, using the candidate flows model, a ranking of intents within the second skill that match the utterance, and determining, based on the ranking of intents, an intent that is a highest ranked intent.Type: GrantFiled: September 30, 2021Date of Patent: March 5, 2024Assignee: ORACLE INTERNATIONAL CORPORATIONInventors: Vishal Vishnoi, Xin Xu, Elias Luqman Jalaluddin, Srinivasa Phani Kumar Gadde, Crystal C. Pan, Mark Edward Johnson, Thanh Long Duong, Balakota Srinivas Vinnakota, Manish Parekh
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Patent number: 11919125Abstract: A method of forming a carrier wafer includes the steps of: lapping a first surface and a second surface of the carrier wafer such that the carrier wafer is substantially flat, the carrier wafer comprising a glass, glass-ceramic or ceramic material, wherein the carrier wafer has a diameter of from 250 mm to 450 mm and a thickness of from 0.5 mm to 2 mm after lapping; and polishing the first surface of the carrier wafer with at least one of a differential pressure, a differential speed or a differential time between a center portion and an edge portion of the carrier wafer such that the first surface has a convex or concave shape.Type: GrantFiled: September 26, 2019Date of Patent: March 5, 2024Assignee: Corning IncorporatedInventors: Lance Changyong Kim, Fei Lu, Xu Ouyang, Yeguang Pan
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Publication number: 20230386237Abstract: Provided are a classification method and apparatus, an electronic device and a storage medium, which relate to the field of artificial intelligence and in particular, to the fields of natural language processing and deep learning. The classification method comprises: performing coding processing on to-be-classified data to obtain a to-be-classified coding feature; determining reference coding features of reference classification data similar to the to-be-classified data according to the to-be-classified coding feature; and determining a target category of the to-be-classified data according to the reference coding features and reference categories of the reference classification data.Type: ApplicationFiled: January 20, 2023Publication date: November 30, 2023Applicant: BEIJING BAIDU NETCOM SCIENCE TECHNOLOGY CO., LTD.Inventors: Chenhui LIU, Jian GONG, Ke SUN, Xu PAN, Siqi XU, Zecheng ZHUO
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Publication number: 20230316709Abstract: Provided is a data labeling method based on artificial intelligence, an apparatus, and a storage medium relating to the field of artificial intelligence, particularly data labeling, image recognition, and natural language processing. The method includes: determining a plurality of samples involved in clustering; performing a plurality of following operations circularly to realize iterative processing, until a convergence condition is satisfied or a quantity of iterations reaches a number threshold, comprising: pre-clustering the plurality of samples according to a vector representation of the respective samples to obtain a plurality of class clusters, each class cluster containing at least one sample; receiving labeling information for the respective class clusters and re-determining the plurality of samples according to the labeling information; and determining a clustering result according to the labeling information for the respective class clusters.Type: ApplicationFiled: September 2, 2022Publication date: October 5, 2023Inventors: Siqi XU, Ke SUN, Jian GONG, Xu PAN, Zhiqun XIA, Zhe YANG, Zecheng ZHUO
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Publication number: 20230086429Abstract: A method of recognizing an address, an electronic device, and a storage medium, which relate to fields of artificial intelligence and computer technologies, fields of knowledge graph, deep learning and cloud computing. The method includes: performing a location entity recognition on a content to be recognized, so as to obtain a target location entity, the target location entity including at least one of a standardized location entity, an alias location entity, or a landmark location entity; determining a standardized address corresponding to each type of the location entity in the target location entity according to an address graph to obtain at least one standardized address, the address graph including a standardized location entity, an alias location entity, a landmark location entity, and a corresponding relationship between location entities; and determining, from the at least one standardized address, a first target standardized address corresponding to the content to be recognized.Type: ApplicationFiled: November 22, 2022Publication date: March 23, 2023Applicant: BEIJING BAIDU NETCOM SCIENCE TECHNOLOGY CO., LTD.Inventors: Siqi XU, Xu PAN, Chenhui LIU, Jian GONG, Zecheng ZHUO
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Patent number: 11610401Abstract: A public opinion acquisition method and device, a word viscosity model training method and device, a server, and a medium are provided in the present disclosure. And the present disclosure relates to the technical field of artificial intelligence, specifically to image recognition and natural language processing, which can be used in a cloud platform. A video public opinion acquisition method includes: receiving a public opinion acquisition request, the public opinion acquisition request including a public opinion keyword to be acquired; matching the public opinion keyword to be acquired with video data including a recognition result, wherein the recognition result is obtained by performing predefined content recognition on the video data, the predefined content recognition including text recognition and image recognition; and determining video data that matches with the public opinion keyword to be acquired as result video data.Type: GrantFiled: March 19, 2021Date of Patent: March 21, 2023Assignee: BEIJING BAIDU NETCOM SCIENCE AND TECHNOLOGY CO., LTD.Inventors: Wenjun Zhang, Qiang Huang, Jun Fang, Xu Pan, Yuncong Li, Zhe Yang, Saiding Hong
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Publication number: 20220414095Abstract: A method of processing event data, a device, and a medium are provided, which relate to fields of deep learning, natural language processing, cloud services, etc. The method of processing event data includes: determining target feature data corresponding to target event data, in response to receiving a query request containing the target event data; selecting correlated feature data from candidate feature data based on the target feature data, wherein a similarity between the correlated feature data and the target feature data meets a preset similarity condition; determining operation data associated with the correlated feature data, wherein the operation data represents a level of attention to correlated event data corresponding to the correlated feature data; and determining a level of attention to the target event data based on the operation data.Type: ApplicationFiled: August 30, 2022Publication date: December 29, 2022Inventors: Zhe YANG, Zecheng ZHUO, Jian GONG, Qiang HUANG, Xu PAN, Saiding HONG, Wenjun ZHANG, Siqi XU, Sicong LIN, Chenhui LIU
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Publication number: 20220374603Abstract: A method of determining a location information, an electronic device, and a storage medium, which relate to a field of an artificial intelligence technology, and in particular, to fields of NLP and knowledge graph. The method includes: determining at least one location chain corresponding to a location information in a text to be recognized, wherein each of the at least one location chain includes a plurality of chain nodes cascaded according to a subordination relationship, and each level of chain node represents a current level name corresponding to the location information; and determining, from the at least one location chain, a target location chain having a greatest degree of relevance to the text to be recognized, according to a feature word indicating a location attribute in the text to be recognized.Type: ApplicationFiled: August 5, 2022Publication date: November 24, 2022Inventors: Xu PAN, Qiang HUANG, Siqi XU, Chenhui Liu, Saiding HONG, Zhe YANG, Chong LIU
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Publication number: 20220318503Abstract: A method and an apparatus for identifying an instruction, and a screen for voice interaction are provided. The method includes: acquiring a text vector and at least one word importance corresponding to a to-be-identified instruction; selecting a target number of quasi-matching instructions from a preset instruction library based on the text vector and the at least one word importance, where the instruction library includes a correspondence between an instruction and a text vector of the instruction, and the instruction in the instruction library includes an instruction type and an instruction-targeting keyword; and generating, based on the instruction type and the instruction-targeting keyword in the target number of quasi-matching instructions, an instruction type and an instruction-targeting keyword matching the to-be-identified instruction.Type: ApplicationFiled: June 24, 2022Publication date: October 6, 2022Inventors: Wenjun ZHANG, Zecheng ZHUO, Jian GONG, Qiang HUANG, Guoan YOU, Xu PAN
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Publication number: 20220101009Abstract: A public opinion acquisition method and device, a word viscosity model training method and device, a server, and a medium are provided in the present disclosure. And the present disclosure relates to the technical field of artificial intelligence, specifically to image recognition and natural language processing, which can be used in a cloud platform. A video public opinion acquisition method includes: receiving a public opinion acquisition request, the public opinion acquisition request including a public opinion keyword to be acquired; matching the public opinion keyword to be acquired with video data including a recognition result, wherein the recognition result is obtained by performing predefined content recognition on the video data, the predefined content recognition including text recognition and image recognition; and determining video data that matches with the public opinion keyword to be acquired as result video data.Type: ApplicationFiled: March 19, 2021Publication date: March 31, 2022Inventors: Wenjun ZHANG, Qiang HUANG, Jun FANG, Xu PAN, Yuncong LI, Zhe YANG, Saiding HONG
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Patent number: 10948474Abstract: The invention “simulation device and method for studying the influence of wetland plant litter decomposition on water quality”, belongs to the ecological engineering field. The simulation device comprises a distributing reservoir, a planting pool and a discharge bay, and the three are connected successively through a first-level pipeline; the distributing reservoir is used to supply water to the planting pool; the discharge bay is used to collect wastewater discharged from the planting pool; the planting pool comprises a plurality of planting units; the planting unit is a container-like structure and used to hold the planting substrate and plant wetland plants on the planting substrate. By using the simulation device and/or simulation method of the invention, the whole process of the influence of plant litters especially wetland plants litters on water quality under natural state can be highly simulated and restored.Type: GrantFiled: January 7, 2019Date of Patent: March 16, 2021Assignee: RESEARCH INSTITUTE OF FORESTRY NEW TECHNOLOGY, CHINESE ACADEMY OF FORESTRYInventors: Lijuan Cui, Yunmei Ping, Wei Li, Xu Pan, Manyin Zhang, Ziliang Guo, Changjun Gao, Yinuo Zhu
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Publication number: 20190234927Abstract: The invention “simulation device and method for studying the influence of wetland plant litter decomposition on water quality”, belongs to the ecological engineering field. The simulation device comprises a distributing reservoir, a planting pool and a discharge bay, and the three are connected successively through a first-level pipeline; the distributing reservoir is used to supply water to the planting pool; the discharge bay is used to collect wastewater discharged from the planting pool; the planting pool comprises a plurality of planting units; the planting unit is a container-like structure and used to hold the planting substrate and plant wetland plants on the planting substrate. By using the simulation device and/or simulation method of the invention, the whole process of the influence of plant litters especially wetland plants litters on water quality under natural state can be highly simulated and restored.Type: ApplicationFiled: January 7, 2019Publication date: August 1, 2019Inventors: Lijuan CUI, Yunmei PING, Wei Li, Xu Pan, Manyin ZHANG, Ziliang GUO, Changjun GAO, Yinuo ZHU
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Patent number: 9831946Abstract: The present invention discloses: when a first laser in N lasers is switched to a second idle laser in M lasers, a wavelength of a wavelength-selective optical element to which the first laser is coupled is adjusted from a first wavelength to a second wavelength, and the second wavelength is different from the N wavelengths. Similarly, when a first optical receiver in N optical receivers is switched to a second idle optical receiver in M optical receivers, a wavelength of a wavelength-selective optical element to which the first optical receiver is coupled is adjusted from a first wavelength to a second wavelength, and the second wavelength is different from the N wavelengths.Type: GrantFiled: June 30, 2016Date of Patent: November 28, 2017Assignee: Huawei Technologies Co., LtdInventors: Xiaoping Zhou, Jing Hu, Yue Wen, Lei Wang, Xu Pan, Chengzhi Xu
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Publication number: 20160315698Abstract: The present invention discloses: when a first laser in N lasers is switched to a second idle laser in M lasers, a wavelength of a wavelength-selective optical element to which the first laser is coupled is adjusted from a first wavelength to a second wavelength, and the second wavelength is different from the N wavelengths. Similarly, when a first optical receiver in N optical receivers is switched to a second idle optical receiver in M optical receivers, a wavelength of a wavelength-selective optical element to which the first optical receiver is coupled is adjusted from a first wavelength to a second wavelength, and the second wavelength is different from the N wavelengths.Type: ApplicationFiled: June 30, 2016Publication date: October 27, 2016Inventors: Xiaoping Zhou, Jing Hu, Yue Wen, Lei Wang, Xu Pan, Chengzhi Xu
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Publication number: 20160181460Abstract: An avalanche photodiode includes a P-type contact layer, a light absorption layer, a compositionally-graded symmetrical multiplication layer, and an N-type contact layer. The P-type contact layer is connected to the light absorption layer, the light absorption layer is connected to the compositionally-graded symmetrical multiplication layer, and the compositionally-graded symmetrical multiplication layer is connected to the N-type contact layer.Type: ApplicationFiled: February 29, 2016Publication date: June 23, 2016Inventor: Xu Pan
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Patent number: D810653Type: GrantFiled: November 17, 2016Date of Patent: February 20, 2018Assignee: EHANG INTELLIGENT EQUIPMENT (GUANGZHOU) CO., LTD.Inventors: Huazhi Hu, Xu Pan, Hongsheng Jin