Patents by Inventor Jingzhong Li
Jingzhong Li 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: 20250124178Abstract: Disclosed is a graph convolution auto-encoder based method for computing road network similarity. The method includes: creating a dual graph of a road network, and giving road network space feature information to nodes of the dual graph from three aspects of global, local and connection characteristics on the basis of a relation principle between an entire structure and parts of the structure, such that a quantitative expression of a road network graph structure is obtained; aggregating and updating node feature information and structure information of a road network graph by the graph convolution auto-encoder, and forming a deep understanding of the road network, such that a coded expression of node information of the road network is obtained; and mapping a complex high-dimensional feature space to an easy-to-measure low-dimensional feature space through an average pooling operation, so as to obtain a set of feature vectors, and computing the similarity.Type: ApplicationFiled: October 11, 2024Publication date: April 17, 2025Inventors: Haowen YAN, Xiaomin LU, Weifang YANG, Wende LI, Jingzhong LI, Xiaoning SU, Pengbo LI, Xiaorong GAO, Fengshan SU
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Publication number: 20250102319Abstract: Disclosed in the present disclosure is a similarity calculation method considering multiple features for a multi-scale road network, which includes structural similarity calculation of skeleton lines and local feature similarity calculation of the multi-scale road network. A road network stroke is generated, skeleton lines of the road network are extracted and transformed into a structure tree, and the skeleton similarity of the road network is evaluated by calculating structural similarity of the structure tree of the multi-scale road network. Topological similarity of the multi-scale road network is calculated by using a difference matrix of a conceptual domain graph of road meshes, geometric similarity of the multi-scale road network is calculated by using a density of road meshes, and local similarity of the multi-scale road network is obtained by integrating the hierarchy of the road network into the topological and geometric similarity calculation in the form of matrices.Type: ApplicationFiled: August 22, 2024Publication date: March 27, 2025Inventors: Xiaomin LU, Haowen YAN, Weifang YANG, Wende LI, Jingzhong LI, Tao LIU
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Patent number: 12158928Abstract: Disclosed in the present disclosure is a commutative encryption and watermarking method based on a chaotic system and a zero watermark for vector geospatial data. According to the method, firstly, the vector geospatial data are scrambled and encrypted by using chaotic sequences generated by a composite chaotic system. Then, vector geospatial elements are randomly combined in pairs. A feature matrix is constructed according to the number of vertex coordinates of the vector geospatial elements in combinations, and the parity of the number. Finally, an XOR operation is performed on the feature matrix and the watermark image to construct a zero watermark image, and the zero watermark is constructed through invariant features of the vector geospatial data.Type: GrantFiled: June 14, 2024Date of Patent: December 3, 2024Assignee: LANZHOU JIAOTONG UNIVERSITYInventors: Haowen Yan, Liming Zhang, Jingzhong Li, Shuwen Yang, Tao Tan, Zufeng Li, Xiaomin Lu, Weifang Yang
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Patent number: 12118767Abstract: Disclosed in the present disclosure is a classification method based on skeleton lines for building shapes. The method includes: (1) expanding a template library of buildings by combining building shape classification in architecture and building shape features in real life on the basis of inheriting advantages of a traditional template matching method; (2) avoiding influence of small depressions and protrusions of the buildings on overall shapes by constructing a least-squares template; (3) extracting the skeleton lines of the buildings and calculating feature vectors of the buildings; and (4) calculating similarity between feature vectors of skeleton lines of the buildings and skeleton lines of templates by using cosine similarity, and selecting the template with the highest similarity as a classification result of the building shapes.Type: GrantFiled: June 5, 2024Date of Patent: October 15, 2024Assignee: LANZHOU JIAOTONG UNIVERSITYInventors: Haowen Yan, Xiaomin Lu, Jingzhong Li, Liming Zhang, Ben Ma, Pengbo Li, Wende Li
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Patent number: 12073486Abstract: The disclosure provides a reversible watermarking method for the oblique photography three-dimensional models with controllable accuracy. According to the disclosure: firstly, by using the global stability of the average included angle of vertex normal vector, the feature points of the oblique photography three-dimensional model are extracted; secondly, the mapping relationship is established by the ratio of the distance between feature points and non-feature points, and the vertexes are grouped, and each group consists of a feature point corresponding to several non-feature points; finally, the spherical coordinate system is constructed by taking the feature points as the coordinate origin in grouping, and the watermark is embedded by modifying the radius of the coordinate system.Type: GrantFiled: March 20, 2024Date of Patent: August 27, 2024Assignee: LANZHOU JIAOTONG UNIVERSITYInventors: Haowen Yan, Liming Zhang, Jingzhong Li, Xiaomin Lu, Weifang Yang, Pengbin Wang, Ziyi Zhang
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Publication number: 20240095102Abstract: In a data processing method, an event setting interface of an event is displayed in a first application. The event setting interface includes an event data setting element and a data association control element of the event. Event setting data of the event is received from a user via the event data setting element. The event setting data of the event is sent to a second application based on a user selection of the data association control element. The first application is associated with a first service and the second application is associated with a second service that is different from the first service.Type: ApplicationFiled: November 28, 2023Publication date: March 21, 2024Applicant: Tencent Technology (Shenzhen) Company LimitedInventors: Tieming HUANG, Jingzhong LI, Bin LI, Hang XIANG, Chuwei ZENG
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Publication number: 20240098124Abstract: This application disclose a conference creation method performed by a computer device. The method includes: displaying a group conversation page of a group in a first message application, the group conversation page comprising a conference initiation control; in response to a triggering operation for the conference initiation control, creating a target conference corresponding to a conference application and transmitting conference invitation information to a conference member of the target conference, the conference member of the target conference comprising at least one first member of the first message application; and when an acquired response state of the conference member in the target conference for the conference invitation information is a preset state and an association relationship between the response conference member and the at least first member of the first message application satisfies a preset relationship condition, allowing the response conference member to join the target conference.Type: ApplicationFiled: November 27, 2023Publication date: March 21, 2024Inventors: Tieming HUANG, Jingzhong LI, Bin LI, Qiang HUANG, Chuwei ZENG
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Patent number: 11470023Abstract: Disclosed is an automatic telephonic session initiation method performed at a telephone session server including: receiving a telephonic session reservation request from a telephonic session client of a first terminal, the telephonic session reservation request including an identifier of an instant messaging client of a second terminal and a telephonic session initiation condition; storing corresponding reservation information according to the telephonic session reservation request; sending the reservation information to the instant messaging client of the second terminal according to the identifier of the instant messaging client of the second terminal; receiving a telephonic session reservation feedback message from the instant messaging client of the second terminal; and sending a telephonic session initiation request to the telephonic session client of the first terminal and a telephonic session client of the second terminal according to the reservation information when the telephonic session initiation cType: GrantFiled: July 24, 2020Date of Patent: October 11, 2022Assignee: TENCENT TECHNOLOGY (SHENZHEN) COMPANY LIMITEDInventors: Jingzhong Li, Hang Xiang, Bin Li
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Patent number: 11302060Abstract: A method and a system for vector-raster overlay analysis of a ground surface image area based on edge clipping are provided. A large amount of computing resources is required during the calculation of extracting a ground surface image area using the vector-raster overlay analysis and a loss of accuracy is resulted when vector data is converted into raster data, thereby leading to the issue of calculation error of a polygon surface area. The disclosure adopts the vector-raster overlay analysis method while cropping an edge vector polygon of the ground surface image to be measured and allocating an attribute value of the image according to a pixel, so as to accurately calculate the ground surface image area without drastically increasing the amount of calculation, thereby achieving the function of improving the accuracy and efficiency of calculating the ground surface image area.Type: GrantFiled: April 28, 2020Date of Patent: April 12, 2022Assignee: WUHAN UNIVERSITYInventors: Yaolin Liu, Peng Xie, Yiheng Wang, Yanfang Liu, Jingzhong Li
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Publication number: 20200358645Abstract: Disclosed is an automatic telephonic session initiation method performed at a telephone session server including: receiving a telephonic session reservation request from a telephonic session client of a first terminal, the telephonic session reservation request including an identifier of an instant messaging client of a second terminal and a telephonic session initiation condition; storing corresponding reservation information according to the telephonic session reservation request; sending the reservation information to the instant messaging client of the second terminal according to the identifier of the instant messaging client of the second terminal; receiving a telephonic session reservation feedback message from the instant messaging client of the second terminal; and sending a telephonic session initiation request to the telephonic session client of the first terminal and a telephonic session client of the second terminal according to the reservation information when the telephonic session initiation cType: ApplicationFiled: July 24, 2020Publication date: November 12, 2020Inventors: Jingzhong LI, Hang XIANG, Bin LI
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Publication number: 20200342655Abstract: A method and a system for vector-raster overlay analysis of a ground surface image area based on edge clipping are provided. A large amount of computing resources is required during the calculation of extracting a ground surface image area using the vector-raster overlay analysis and a loss of accuracy is resulted when vector data is converted into raster data, thereby leading to the issue of calculation error of a polygon surface area. The disclosure adopts the vector-raster overlay analysis method while cropping an edge vector polygon of the ground surface image to be measured and allocating an attribute value of the image according to a pixel, so as to accurately calculate the ground surface image area without drastically increasing the amount of calculation, thereby achieving the function of improving the accuracy and efficiency of calculating the ground surface image area.Type: ApplicationFiled: April 28, 2020Publication date: October 29, 2020Applicant: WUHAN UNIVERSITYInventors: Yaolin LIU, Peng XIE, Yiheng WANG, Yanfang LIU, Jingzhong LI
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Patent number: 10764107Abstract: Disclosed is an automatic telephonic session initiation method performed at a telephone session server including: receiving a telephonic session reservation request from a telephonic session client of a first terminal, the telephonic session reservation request including an identifier of an instant messaging client of a second terminal and a telephonic session initiation condition; storing corresponding reservation information according to the telephonic session reservation request; sending the reservation information to the instant messaging client of the second terminal according to the identifier of the instant messaging client of the second terminal; receiving a telephonic session reservation feedback message from the instant messaging client of the second terminal; and sending a telephonic session initiation request to the telephonic session client of the first terminal and a telephonic session client of the second terminal according to the reservation information when the telephonic session initiation cType: GrantFiled: September 6, 2017Date of Patent: September 1, 2020Assignee: TENCENT TECHNOLOGY (SHENZHEN) COMPANY LIMITEDInventors: Jingzhong Li, Hang Xiang, Bin Li
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Patent number: 10397147Abstract: The present disclosure provides a method, apparatus and terminal for exchanging a name card, which relates to mobile communication technologies. The method comprises: binding the contact client with a first Instant Messaging (IM) client through an associated account, the contact client comprising a contact; receiving a selecting signal for selecting at least one name card in the contact; sending the selected at least one name one name card to the first IM client binded with the contact client, the first IM client comprising a first user account, and the first user account having a friendship link; and sharing the selected at least one name card through the first user account with at least one second IM client in the friendship link.Type: GrantFiled: November 28, 2014Date of Patent: August 27, 2019Assignee: Tencent Technology (Shenzhen) Company LimitedInventors: Jingzhong Li, Junhong Yan, Jinsheng Xu, Wenyuan Wang, Wei Yi, Kaiyuan LV, Xiaomu Wen, Jing He, Bin Li
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Publication number: 20170366389Abstract: Disclosed is an automatic telephonic session initiation method performed at a telephone session server including: receiving a telephonic session reservation request from a telephonic session client of a first terminal, the telephonic session reservation request including an identifier of an instant messaging client of a second terminal and a telephonic session initiation condition; storing corresponding reservation information according to the telephonic session reservation request; sending the reservation information to the instant messaging client of the second terminal according to the identifier of the instant messaging client of the second terminal; receiving a telephonic session reservation feedback message from the instant messaging client of the second terminal; and sending a telephonic session initiation request to the telephonic session client of the first terminal and a telephonic session client of the second terminal according to the reservation information when the telephonic session initiation cType: ApplicationFiled: September 6, 2017Publication date: December 21, 2017Inventors: Jingzhong LI, Hang XIANG, Bin LI
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Publication number: 20170026316Abstract: The present disclosure provides a method, apparatus and terminal for exchanging a name card, which relates to mobile communication technologies. The method comprises: binding the contact client with a first Instant Messaging (IM) client through an associated account, the contact client comprising a contact; receiving a selecting signal for selecting at least one name card in the contact; sending the selected at least one name one name card to the first IM client binded with the contact client, the first IM client comprising a first user account, and the first user account having a friendship link; and sharing the selected at least one name card through the first user account with at least one second IM client in the friendship link.Type: ApplicationFiled: November 28, 2014Publication date: January 26, 2017Inventors: Jingzhong LI, Junhong YAN, Jinsheng XU, Wenyuan WANG, Wei YI, Kaiyuan LV, Xiaomu WEN, Jing HE, Bin LI
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Publication number: 20150106879Abstract: The present disclosure relates to a filed of data processing technology. Disclosed are a data recovery method, a device and a system using the same. The data recovery method includes the following steps. A second client receives an identifying account associating with a first account and sends the identifying account to a server. The server receives the identifying account and sends a data recovery linkage to a verifying client. The verifying client responses to a connection request of the data recovery linkage and sends a data recovery confirming message to the server. The server receives the data recovery confirming message and copies the data stored in the first client to the second client according to the data recovery confirming message. The embodiments of present disclosure may recovery the data stored in the first client via the identifying account associating with the first account, when the first account is lost.Type: ApplicationFiled: December 19, 2014Publication date: April 16, 2015Inventors: Xiaomu Wen, Yu Chen, Jingzhong Li, Bin Li