Patents by Inventor Kun Bai
Kun Bai 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: 11934314Abstract: A method of copying at least first and second files stored in a client computing device to a host server, includes the steps of: generating at the host server a first read I/O request for data of the first file based on responses to pre-read I/O requests for the first file, received from the client computing device; transmitting a merged I/O request that includes the first read I/O request for data of the first file and pre-read I/O requests for the second file from the host server to the client computing device; generating at the host server a second read I/O request for data of the second file based on responses to the pre-read I/O requests for the second file, received from the client computing device; and transmitting the second read I/O request for data of the second file from the host server to the client computing device.Type: GrantFiled: September 1, 2022Date of Patent: March 19, 2024Assignee: VMware LLCInventors: Wu Bai, Haiwei Zhao, Weigang Huang, Feng Yan, Kun Shi
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Publication number: 20240090127Abstract: Provided is a flexible circuit board. The flexible circuit board includes a circuit substrate; wherein the circuit substrate is a multilayer flexible circuit board, wherein at least two layers of the multilayer flexible circuit board include plated sublayers, and a plurality of grooves are disposed in a first surface of the multilayer flexible circuit board, a depth of the groove being not less than a depth of the plated sublayer closest to the first surface in the multilayer flexible circuit board.Type: ApplicationFiled: October 22, 2021Publication date: March 14, 2024Inventors: Yonglin CHEN, Yunhan XIAO, Hongjin HU, Jiaxiang ZHANG, Kun ZUO, Mingqiang WANG, Jiuyuan BAI
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Publication number: 20230063590Abstract: This application relates to an artificial intelligence-based identity verification method and apparatus, a computer device, and a storage medium. The method includes: obtaining a to-be-verified face image inputted into a verification device; performing artificial intelligence-based device tracing processing on the face image, to obtain a photographing device identifier corresponding to a photographing device of the face image; obtaining a verification device identifier corresponding to the verification device; performing feature comparison on the photographing device identifier and the verification device identifier to obtain a comparison result; and performing identity verification based on the face image in a case that the comparison result indicates that the photographing device and the verification device are a same device.Type: ApplicationFiled: October 28, 2022Publication date: March 2, 2023Applicant: Tencent Technology (Shenzhen) Company LimitedInventors: Zhao LUO, Kun BAI
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Publication number: 20230045306Abstract: A face liveness detection method is provided, and includes: receiving an image transmitted by a terminal, the image including a face of an object; performing data augmentation on the image, to obtain an extended image corresponding to the image, a number of extended images corresponding to the image being more than one; performing liveness detection on the extended images corresponding to the image, to obtain intermediate detection results of the extended images, a liveness detection model used in liveness detection being obtained by performing model training on an initial neural network model according to a sample image and extended sample images corresponding to the sample image; and obtaining a liveness detection result of the object in the image after fusing the intermediate detection results of the extended images.Type: ApplicationFiled: October 12, 2022Publication date: February 9, 2023Inventors: Zhao LUO, Kun Bai
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Publication number: 20230034040Abstract: Methods, apparatus, systems, and storage medium for a face liveness detection are provided. The method includes obtaining an image comprising a face of an object; extracting an image feature of the image through an encryption network in a joint model for encryption and detection; performing image reconstruction based on the image feature to obtain an encrypted image corresponding to the image, the encrypted image being different in image content from the image; transmitting the encrypted image to a liveness detection server, wherein the liveness detection server is configured to perform liveness detection on the encrypted image through a detection network in the joint model for encryption and detection to obtain a liveness detection result of the object in the image; and receiving the liveness detection result of the object in the image from the liveness detection server.Type: ApplicationFiled: October 11, 2022Publication date: February 2, 2023Applicant: TENCENT TECHNOLOGY (SHENZHEN) COMPANY LIMITEDInventors: Zhao LUO, Kun BAI
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Publication number: 20220345014Abstract: A multi-degree-of-freedom spherical motor includes a primary frame, a secondary frame, a tertiary frame, a terminal rotor, a first rotating shaft, a second rotating shaft, a third rotating shaft, permanent magnets and electromagnetic coils. The electromagnetic coils are arranged on an inner surface of the primary frame. Two sides at a top portion of the primary frame are symmetrically connected to the secondary frame through the first rotating shaft. The tertiary frame is arranged inside the secondary frame in a non-mechanical contact manner. The terminal rotor and the tertiary frame are connected through the third rotating shaft. The permanent magnets are arranged on one side of the terminal rotor close to the primary frame. The secondary frame and the tertiary frame are connected through the second rotating shaft. The first rotating shaft, the second rotating shaft and the third rotating shaft are perpendicular to each other.Type: ApplicationFiled: July 19, 2021Publication date: October 27, 2022Applicant: HUAZHONG UNIVERSITY OF SCIENCE AND TECHNOLOGYInventors: Kun Bai, Mengke Li, Zixin Que, Yaowu Ding, Xiyin Li
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Patent number: 11476742Abstract: A multi-degree-of-freedom spherical motor includes a primary frame, a secondary frame, a tertiary frame, a terminal rotor, a first rotating shaft, a second rotating shaft, a third rotating shaft, permanent magnets and electromagnetic coils. The electromagnetic coils are arranged on an inner surface of the primary frame. Two sides at a top portion of the primary frame are symmetrically connected to the secondary frame through the first rotating shaft. The tertiary frame is arranged inside the secondary frame in a non-mechanical contact manner. The terminal rotor and the tertiary frame are connected through the third rotating shaft. The permanent magnets are arranged on one side of the terminal rotor close to the primary frame. The secondary frame and the tertiary frame are connected through the second rotating shaft. The first rotating shaft, the second rotating shaft and the third rotating shaft are perpendicular to each other.Type: GrantFiled: July 19, 2021Date of Patent: October 18, 2022Assignee: HUAZHONG UNIVERSITY OF SCIENCE AND TECHNOLOGYInventors: Kun Bai, Mengke Li, Zixin Que, Yaowu Ding, Xiyin Li
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Patent number: 11424144Abstract: The invention belongs to a related field of electronic manufacturing technology, and particularly relates to a conformal manufacturing device and a method for a complex curved-surface electronic system, the system includes a support platform and a six-degree-of-freedom spherical motor linkage platform, a 3D measurement module, a laser lift-off module, a curved-surface transfer printing module and a conformal jet printing module respectively mounted on the support platform and independently controllable, and specific structures and work modes of these key components are improved. The invention further discloses a corresponding manufacturing method.Type: GrantFiled: April 9, 2018Date of Patent: August 23, 2022Assignee: HUAZHONG UNIVERSITY OF SCIENCE AND TECHNOLOGYInventors: Yongan Huang, Zhouping Yin, Hao Wu, Jiankui Chen, Wenlong Li, Kun Bai
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Patent number: 11251689Abstract: A magnetically reconfigurable robot joint motor includes a coil stator, a permanent magnet rotor and a magnetic reconfiguration unit. The magnetic reconfiguration unit is arranged around an outer periphery of the permanent magnet rotor, and a coil connected to a control circuit is wound on an outer layer of the magnetic reconfiguration unit. When it is necessary to execute low rotation speed or zero rotation speed operating conditions, the control circuit inputs current pulses of different strengths, so that the magnetic reconfiguration unit obtains permanent magnetization of corresponding degree, and generates a magnetic field which acts together with a magnetic field of the permanent magnet rotor, so as to maintain a torque required for output.Type: GrantFiled: April 28, 2019Date of Patent: February 15, 2022Assignee: HUAZHONG UNIVERSITY OF SCIENCE AND TECHNOLOGYInventors: Kun Bai, Lang Zhu, Mi Yuan, Kok-Meng Lee
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Publication number: 20210326576Abstract: An identity authentication method is provided, including: acquiring a raw feature of a user; calling an identity authentication model to extract a primary attribute feature vector in the raw feature, the primary attribute feature vector being an unbiased feature representation for selectively decoupling m?1 domain discrepancy features in the raw feature, and m being an integer greater than 2; and performing unbiased identity authentication based on the primary attribute feature vector to obtain an identity authentication result.Type: ApplicationFiled: June 25, 2021Publication date: October 21, 2021Applicant: Tencent Technology (Shenzhen) Company LimitedInventors: Jian LIANG, Yuren CAO, Chenbin ZHANG, Kun BAI
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Patent number: 11122119Abstract: Aspects of the disclosure relate to managing migration of an application. The managing migration of an application includes establishing a source dataset. The source dataset includes a set of source features. The source features relate to a source. The source includes the application. A determination of a first set of migration plans is made. The determination is made with an evaluation. The evaluation is made using the source dataset and a set of legacy features. The evaluation is performed with a cost measure. The application is migrated from the source to the target. The migration is based on the determined first set of migration plans.Type: GrantFiled: January 8, 2020Date of Patent: September 14, 2021Assignee: International Business Machines CorporationInventors: Kun Bai, Jinho Hwang, Brian Peterson, Maja Vukovic
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Patent number: 11100181Abstract: A search continuation device and its operations include, for example, performing a first electronic search based on first search criteria. The first electronic search generates first search results. The operations can further include electronically storing search data associated with the first electronic search (e.g., in a user account). The operations can further include performing a second electronic search with second search criteria substantially similar to the first search criteria. The second electronic search generates second search results. The operations can further include, retrieving the search data (e.g., from the user account), and providing, based on the search data, one or more indicators for presentation with the second search results. The one or more indicators specify continued search information, such as a degree to which content contained within an item of the first search results was previously accessed or a difference between the first search results and the second search results.Type: GrantFiled: April 10, 2019Date of Patent: August 24, 2021Assignee: International Business Machines CorporationInventors: Kun Bai, Di Ling Chen, Christian Benjamin Kau, Zhi Cheng Liu, Patrick Joseph O'Sullivan
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Patent number: 10962176Abstract: An LED light source device includes an LED light source dot at least emitting light of one color and a light emission portion emitting light of different colors. The light emission portion includes a light emission portion for a main illumination and for emitting a white light and a light emission portion for a scene illumination and for emitting a colored light. The light emission portion for the main illumination emits the white light and the light emission portion for the scene illumination emits the colored light simultaneously. The LED light source device is a bulb lamp, a candle lamp or other lamps of which a front side and a lateral side both emits light.Type: GrantFiled: December 28, 2017Date of Patent: March 30, 2021Assignee: Opple Lighting Co., Ltd.Inventors: Chaobo Liu, Hongbo Wang, Kun Bai, Liang Cao
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Publication number: 20210076503Abstract: The invention belongs to a related field of electronic manufacturing technology, and particularly relates to a conformal manufacturing device and a method for a complex curved-surface electronic system, the system includes a support platform and a six-degree-of-freedom spherical motor linkage platform, a 3D measurement module, a laser lift-off module, a curved-surface transfer printing module and a conformal jet printing module respectively mounted on the support platform and independently controllable, and specific structures and work modes of these key components are improved. The invention further discloses a corresponding manufacturing method.Type: ApplicationFiled: April 9, 2018Publication date: March 11, 2021Applicant: HUAZHONG UNIVERSITY OF SCIENCE AND TECHNOLOGYInventors: Yongan HUANG, Zhouping YIN, Hao WU, Jiankui CHEN, Wenlong LI, Kun BAI
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Patent number: 10928056Abstract: The present disclosure discloses a lighting device, including: a housing, an optical element connected with the housing, a receiving chamber formed by engaging the housing with the optical element, and a light source component and a driving power supply component both located in the receiving chamber. The lighting device further includes a passage located in the receiving chamber, the passage passes through the housing and the optical element, and an interior of the lighting device is communicated with an exterior of the lighting device by the passage.Type: GrantFiled: December 17, 2018Date of Patent: February 23, 2021Assignee: Opple Lighting Co., Ltd.Inventors: Kun Bai, Hongbo Wang, Yisheng Xiao, Liang Cao
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Patent number: 10871282Abstract: The present disclosure discloses an illuminator device including a housing, a heat dissipation member at an end of the housing, a light source module configured to include an end in thermal contact with the heat dissipation member, an optical member at another end of the light source module, and a driving power supply module; the light source module and the housing are respectively provided at two ends of the heat dissipation member; by the additional heat dissipation member in the illuminator device and a plurality of channels communicating inside with outside of the illuminator device and penetrating through the housing and the heat dissipation member, the heat emitted by the light source module in the illuminator device can be effectively and rapidly dissipated through the channels.Type: GrantFiled: December 17, 2018Date of Patent: December 22, 2020Assignee: Oppie Lighting Co., Ltd.Inventors: Zhengguang Cheng, Liuhua Xiao, Kun Bai, Hongbo Wang
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Publication number: 20200343799Abstract: A magnetically reconfigurable robot joint motor includes a coil stator, a permanent magnet rotor and a magnetic reconfiguration unit. The magnetic reconfiguration unit is arranged around an outer periphery of the permanent magnet rotor, and a coil connected to a control circuit is wound on an outer layer of the magnetic reconfiguration unit. When it is necessary to execute low rotation speed or zero rotation speed operating conditions, the control circuit inputs current pulses of different strengths, so that the magnetic reconfiguration unit obtains permanent magnetization of corresponding degree, and generates a magnetic field which acts together with a magnetic field of the permanent magnet rotor, so as to maintain a torque required for output.Type: ApplicationFiled: April 28, 2019Publication date: October 29, 2020Applicant: HUAZHONG UNIVERSITY OF SCIENCE AND TECHNOLOGYInventors: Kun BAI, Lang ZHU, Mi YUAN, Kok-Meng LEE
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Patent number: 10762428Abstract: A system, method and program product for providing cascade prediction. A system is disclosed having: a computing system for receiving observed cascade data, wherein the observed cascade data includes a set of nodes impacted prior to a preliminary time; a sub-cascade processing engine that determines a sub-cascade size of each node in the set of nodes; survival analysis system that utilizes a networked Weibull regression to determine a survival rate of each node in the set of nodes; and a calculation system that applies the survival rate to the sub-cascade size of each node in the set of nodes to generate a predicted cascade size at a future time.Type: GrantFiled: December 11, 2015Date of Patent: September 1, 2020Assignee: International Business Machines CorporationInventors: Kun Bai, Wei Tan, Fei Wang
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Publication number: 20200153901Abstract: Aspects of the disclosure relate to managing migration of an application. The managing migration of an application includes establishing a source dataset. The source dataset includes a set of source features. The source features relate to a source. The source includes the application. A determination of a first set of migration plans is made. The determination is made with an evaluation. The evaluation is made using the source dataset and a set of legacy features. The evaluation is performed with a cost measure. The application is migrated from the source to the target. The migration is based on the determined first set of migration plans.Type: ApplicationFiled: January 8, 2020Publication date: May 14, 2020Inventors: Kun Bai, Jinho Hwang, Brian Peterson, Maja Vukovic
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Patent number: 10594789Abstract: Aspects of the disclosure relate to managing migration of an application. The managing migration of an application includes establishing a source dataset. The source dataset includes a set of source features. The source features relate to a source. The source includes the application. A determination of a first set of migration plans is made. The determination is made with an evaluation. The evaluation is made using the source dataset and a set of legacy features. The evaluation is performed with a cost measure. The application is migrated from the source to the target. The migration is based on the determined first set of migration plans.Type: GrantFiled: January 9, 2019Date of Patent: March 17, 2020Assignee: International Business Machines CorporationInventors: Kun Bai, Jinho Hwang, Brian Peterson, Maja Vukovic