88 results about "Geographic maps" patented technology

The invention relates to a gated multi-graph convolution perception modeling method for traffic flow prediction. The method integrates multi-graph structure construction, gating graph convolution and time feature extraction, and aims to solve the problems of strong time fluctuation and heterogeneous spatial relationship in traffic data. The method comprises the following steps of: firstly, respectively constructing a geographic map and a semantic map according to the maximum mutual information measurement between the spatial distribution information of a sensor and historical traffic data; and then, designing a dual-adaptive gating graph convolution module, and dynamically adjusting an information propagation path of a multi-graph structure by introducing an attention mechanism and a gating factor, thereby improving the modeling performance of the model on spatial isomerism dependence. On the time dimension, a time sequence interactive sensing module is constructed in combination with multi-scale causal convolution and an attention mechanism, time dependence characteristics of a short period and a long period are captured, and fusion and expression of time characteristics are completed. According to the method, the modeling precision and stability of the traffic prediction model in a complex traffic scene can be effectively enhanced, and the method has relatively high practical application value.

The invention relates to a train-ground communication quality optimization analysis system based on a heavy haul railway vehicle-mounted radio station, and the system comprises a system initialization module which is used for reading parameters of related interfaces; the information acquisition module is used for acquiring parameters of an access network in real time through a train-ground communication radio station interface; the GNSS monitoring module is connected with the GNSS module through a serial port and is used for receiving GNSS information in real time; the geographic information acquisition module is used for acquiring related geographic map information from a third-party API (Application Program Interface) through a public network; and the edge calculation module is used for collecting the information of the information acquisition module and the GNSS monitoring module and performing calculation processing. According to the invention, GNSS information and communication information are comprehensively considered; in combination with a geographic API, the influence of the geographic environment on the communication condition is intuitively known; through a visual interface, the communication coverage condition of a trackside base station is visually displayed, communication results of multiple trains are efficiently checked, and the positions of sensitive areas such as packet loss and switching are visually checked.

A process can include obtaining a plurality of data points each associated with a respective edge device of a fleet of edge devices, each respective edge device associated with an edge site location or edge device asset group. The plurality of data points are stored to a fleet map data catalog and a filtering selection for viewing a filtered subset of the fleet map data catalog is received, indicating a selected geographic view area and selected edge device types from a plurality of edge device types. Data points corresponding to the filtered subset are obtained from the fleet map data catalog using the filtering selection. A fleet map GUI view is generated using the data points corresponding to the filtered subset, the fleet map GUI view comprising a converged geographic map of the selected geographic view area, with data points are rendered at corresponding locations within the converged geographic map.

One or more computer processors may be communicatively coupled with a display of a vehicle and may process data. Using the processed data a vehicle system may display, on one or more user interfaces displayed on the display of the vehicle, a visual summary of a defined route for a trip. The visual summary may include a start indicator representing a starting location of the defined route, an end indicator representing an end location of the defined route, timeline drawn between the start indicator and the end indicator, and a progress indicator displayed on a location between the start indicator and the end indicator corresponding with a time-based completion percentage of the trip. In some cases the timeline may be depicted as a straight line. In some cases the one or more user interfaces may exclude a geographic map. The one or more user interfaces may exclude a distance indicator.

The invention provides a fish school resource quantity evaluation method based on fishery horizontal scanning sonar, and relates to the technical field of fish school detection. The method comprises the following steps: acquiring echo data sent by shipborne horizontal scanning sonar equipment; performing coordinate transformation on the original echo image according to the polar coordinate data of each pixel point in the original echo image to obtain an original echo image under a vertical coordinate system; performing denoising processing on the original echo image to obtain a denoised echo image; performing edge feature detection on the de-noised echo image to obtain a fish school contour feature map; determining fish school feature parameters according to the fish school contour feature map; and according to the fish school feature parameters and the original echo image, generating and displaying a fish school geographic plotting chart, so that the position information and the feature parameters of fish school resources in a large range can be known more visually, the purpose of evaluating the fish school resource quantity in the whole fishing ground is achieved, and the efficiency of ship fishing operation is effectively improved.

The invention provides a method and a system for judging a spontaneous combustion dangerous area of a goaf of a coal face, and relates to the technical field of coal mine safety monitoring. Geographic information system software is used for generating an initial geographic map, and a regular three-dimensional grid is created on the basis of the initial geographic map; accurate positioning and data consistency management of the goaf of the coal face are effectively realized, the abnormal sampling points can be accurately identified by setting a specific wavelength range, capturing spectral data of each sampling point by using an infrared spectrum and calculating the relative radiation intensity and the radiation deviation degree of each sampling point, and the accuracy of the abnormal sampling points is improved. Through obtaining neighbor sampling point data of an abnormal sampling point, calculating a uniform distribution index, realizing risk grade marking of the abnormal sampling point, comprehensively considering distribution density, relative radiation intensity and geographic position information of the abnormal sampling point, and generating a spontaneous combustion risk index, comprehensive assessment and timely early warning of goaf spontaneous combustion risk are realized.

A process can include obtaining a plurality of data points each associated with a respective edge device of a fleet of edge devices, each respective edge device associated with an edge site location or edge device asset group. The plurality of data points are stored to a fleet map data catalog and a filtering selection for viewing a filtered subset of the fleet map data catalog is received, indicating a selected geographic view area and selected edge device types from a plurality of edge device types. Data points corresponding to the filtered subset are obtained from the fleet map data catalog using the filtering selection. A fleet map GUI view is generated using the data points corresponding to the filtered subset, the fleet map GUI view comprising a converged geographic map of the selected geographic view area, with data points are rendered at corresponding locations within the converged geographic map.

The invention provides a pumped storage power station seepage optimization method and system based on water level fluctuation data. The method comprises the following steps: firstly, based on a satellite geographic map and water depth data, constructing an upper reservoir three-dimensional structure model; then arranging water body particles in the model, and forming seepage holes according to the permeability coefficient to form a seepage field simulation model; then, through seepage simulation at different water levels, water particle flow characteristics of the surface edge of the reservoir are extracted; further comparing the simulation characteristics with the actual water flow characteristics, evaluating the credibility of the model according to the goodness of fit, and optimizing the model if the credibility does not reach the standard; and finally, performing seepage early warning analysis by using the optimization model. Through precise three-dimensional modeling, dynamic seepage simulation and feature matching verification, the accuracy of seepage prediction is improved, and a scientific basis is provided for safe operation of a power station.

Various arrangements for decreasing cellular network dead spots using microcells are detailed. A geographic map indicative of cellular network performance may be created. Using the geographic map, an area that has a cellular network dead spot can be identified. A subscriber database can be used to identify a subscriber address that is in a location to extend the cellular network within the dead spot. Based on analyzing the subscriber database to identify the subscriber address that is in the location to extend the cellular network, a microcell can be caused to be deployed at the subscriber address. Cellular services can then be provided using the microcell to various pieces of user equipment.

System, methods, and other embodiments described herein relate to predicting trajectories of multiple vehicles using graphs and multiple decoding models. In one embodiment, a method includes computing, using an encoding model, a graph having a geographic map and vehicle features associated with a plurality of vehicles in an area according to characteristics, prior trajectories, and spatiotemporal interactions. The method also includes processing, using the encoding model, updates for the geographic map and the vehicle features separately in association with encoded features of neighboring vehicles. The method also includes decoding, using a probability model and a regression model, the geographic map and the vehicle features to output estimated trajectories for the plurality of vehicles.

The invention relates to the technical field of water area intelligent protection, and discloses a water area intelligent protection monitoring system based on an iron tower visual connection platform, and the system comprises the steps: obtaining a water area image of a supervision water area at a current moment R; identifying all to-be-cleaned targets in the supervised water area according to the water area image, and predicting actual space coordinates of each to-be-cleaned target at a future moment; obtaining a geographic map of the supervised water area, and constructing an undirected graph according to the geographic map and the actual space coordinates of all the to-be-cleaned targets; all cleaning paths about the unmanned ship in the undirected graph are obtained through a depth-first search method, and an optimal cleaning path is screened out from all the cleaning paths through a pre-configured genetic algorithm; at the future moment, the unmanned ship is controlled to clean pollutants on the monitored water area according to the optimal cleaning path; according to the invention, the phenomenon of'running away 'of the unmanned ship is avoided.

The invention relates to the technical field of intelligent monitoring, and particularly discloses a cyberspace geographic map monitoring system based on big data, which adopts an artificial intelligence technology based on deep learning to carry out semantic understanding on node description of a first node in a cyberspace geographic map, extracts semantic feature representation of the node description, and sends the semantic feature representation to the first node; meanwhile, time sequence analysis is conducted on the multi-source heterogeneous data of the first node, state information of the power grid nodes is mined from the multi-source heterogeneous data, and therefore node description is updated in combination with initial node description and the state information of the power grid nodes. Therefore, the real-time monitoring of the node state in the network space geographic map and the real-time updating of the map can be realized, the latest state of the node in the network space can be reflected in time, and the updating efficiency and accuracy of the network space geographic map are improved.

A system and method for flood hazard estimation inputs a satellite elevation map and applies a machine learning model to output a geographic map representing flood hazard areas. The machine learning model is trained using a generative adversarial network (GAN) to produce an output of a deterministic hazard mapping algorithm. A GAN objective applies a loss function, reweighted to increase the importance of high hazard areas. The method retrieves a DEM topography file representing elevation data of an identified terrain, and applies a sink-filling algorithm to detect and fill sinks in the DEM topography. The algorithm subtracts the DEM elevation data to generate a filled topography, and identifies flattest regions of the filled topography. The algorithm then generates a flood hazard map by merging the filled topography and the DEM elevation data, using a weighting function that balances the detected sinks and the flattest regions of the filled topography.

The nine-grid coordinate system is a novel geographic coordinate digital coding positioning system, and a recursive nested structure of multi-layer grid and digit combination is suitable for geographic map address coding. And the positioning precision is improved in an exponential level along with the increase of levels. Digital codes generated through nine-grid coordinate system positioning have various meanings, such as distance, orientation, positioning, area, color and the like, and a user can give extra meanings to the codes in a self-defined mode according to the requirements of the user. Meanwhile, the generated digital coding positioning function can be compatible with latitude and longitude coordinates of GPS, Beidou and other positioning systems, and mutual conversion can be realized.

To support obtaining knowledge about a photograph and one or more objects of interest included in the photograph.SOLUTION: A method includes detecting a pointing motion made by an occupant of a vehicle and taking a photograph with a camera associated with the vehicle. The method also includes processing one or more of a photograph, the time the photograph is taken, position information of the vehicle at the time the photograph is taken, a photographing direction extending from the camera at the time the photograph is taken, or map data, for obtaining candidates for an object of interest in the photograph and explanatory information related to the candidates for the object of interest. The method further includes causing a display to output a graphical user interface. The graphical user interface includes a geographical map, a position icon indicating the position on the geographical map at which the photograph is taken, a graphical object representing the photographing direction, and explanatory information related to the candidates for the object of interest.SELECTED DRAWING: Figure 1

The invention discloses a heritage tourist attraction guiding method and device based on virtual reality. The heritage tourist attraction guiding method comprises the steps of obtaining a geographic map of a target heritage tourist attraction; determining a path score of each path in the target heritage tourist attraction; according to the real-time scenic spot data and the evaluation data of each scenic spot in the target heritage tourist attraction, determining a scenic spot score of each scenic spot in the target heritage tourist attraction; determining a starting scenic spot according to the plurality of scenic spot scores and a preset preference of the first target; according to the starting scenic spot, the plurality of scenic spot scores, the plurality of path scores and the position relationship between the starting scenic spot and other scenic spots, constructing a target playing route of the target heritage tourist attraction; and feeding back the target playing route to the VR equipment of the first target, so that the first target advances according to the target playing route. The invention belongs to the field of virtual reality games. According to the invention, when the traveler wears the VR equipment to carry out tourism experience, the scenic spot can be truly restored, and the tourism experience of the traveler is improved.

The invention discloses a multi-unmanned aerial vehicle cooperative three-dimensional trajectory planning method based on a hybrid meta-heuristic algorithm, and the method comprises the steps: constructing an unmanned aerial vehicle cooperative trajectory planning model containing cooperative defense constraints, and constructing a three-dimensional geographic map containing a research region in the unmanned aerial vehicle cooperative trajectory planning model; an unmanned aerial vehicle cooperative system comprising N unmanned aerial vehicles is constructed, and an unmanned aerial vehicle cooperative trajectory planning model enables all the unmanned aerial vehicles of the unmanned aerial vehicle cooperative system to cooperatively search and simulate flight in a research area according to unmanned aerial vehicle flight tasks in a three-dimensional geographic map. And the unmanned aerial vehicle cooperative trajectory planning model constructs a population by taking the unmanned aerial vehicle flight trajectory as an individual, executes iterative optimization processing of a fusion cooperative defense strategy and ant lion optimization random walk based on a PHOENIX algorithm, and finally outputs an optimal unmanned aerial vehicle cooperative flight three-dimensional trajectory. According to the invention, efficient, safe and cooperative trajectory planning processing of multiple unmanned aerial vehicles in a complex three-dimensional environment is realized, and important technical support is provided for research and application of an intelligent autonomous system.

The invention relates to the technical field of flying around of aircrafts, in particular to an airport entering and leaving thunderstorm flying around scheme analysis system based on historical flight paths. And obtaining a thunderstorm fly-around scheme of the current aircraft at the airport by combining the meteorological data of the specified area in the specified time period in the future and the geographical map information of the airport and the surrounding area. The method has the beneficial effects that through data analysis and processing, the comparison between the flight historical track based on the geographic map and the flight program design standard track is realized, so that the flight fly-around rule under the thunderstorm weather is obtained, and a pre-fly-around scheme reference under the thunderstorm weather is provided for pilots and controllers. A more reasonable and safer fly-around scheme is formulated, and the thunderstorm weather coping capacity is enhanced. The system aims at improving the flight safety, reducing flight delay and cancellation caused by thunderstorm weather and improving the flight punctuality rate.

A device with a display and a touch-sensitive surface: displays a geographic map in a first mode of an application, the geographic map including a plurality of landmarks, the geographic map being displayed at a first magnification level; detects a first input, the first input including a first finger contact at a location on the touch-sensitive surface that corresponds to a first landmark on the display; in response to detecting the first input: when the first input does not satisfy one or more predefined mode-change conditions, changes the magnification level in accordance with the first input and remains in the first mode; and when the first input satisfies the mode-change conditions, selects the first landmark and enters a second mode of the application; while in the second mode, detects a second input; and, in response to detecting the second input, displays information about the first landmark.

Disclosed herein are devices, systems, and methods for officiating, spectating, and scorekeeping for flag football games using one or more wirelessly interconnected electronic devices. In some embodiments, a plurality of graphical user interfaces are provided on a mobile electronic device, the interfaces allowing game officials to create games that are visible to spectators, players, coaches, and statisticians / scorekeepers on a shared geographic map. After spectators, players, coaches, and / or statisticians / scorekeepers join a game, an official inputs information regarding timing and scorekeeping of the game to an interface of a mobile device carried by the official, and the inputted information is broadcasted from the official's device to mobile devices of spectators, players, and coaches, where it is displayed in real-time on graphical user interfaces of the receiving devices. The interfaces may facilitate real-time synchronization of a play-clock and / or go-clock amongst officials, spectators, players, coaches, and / or statisticians / scorekeepers.

The invention discloses a format conversion method and device of a geographic information graph, equipment and a storage medium, relates to the technical field of geographic information systems, and discloses the format conversion method of the geographic information graph, which comprises the following steps: extracting geographic information from an obtained geographic information graph, obtaining the geographic position information in the geographic information graph and the spatial resolution of the geographic information graph; based on the geographic position information and the spatial resolution, converting coordinates in the geographic information map into Mercator coordinates to obtain a Mercator geographic map; and generating a geographic model map in a preset export format based on the Mercator geographic map. Namely, the geographic position in the geographic information graph is accurately determined through the geographic position information, detailed topographic data are extracted from the geographic information graph through the spatial resolution, and the geographic model graph in the preset format converted according to the Mercator geographic graph can be directly read by three-dimensional software to avoid the loss of the geographic information. The accuracy of creating the geographic model by the three-dimensional model according to the geographic information graph is improved.

The invention relates to the technical field of meteorological services, and particularly discloses a meteorological forecasting method and system fused with high-precision geographic information, geographic data is obtained through a satellite, the influence of a macroscopic geographic environment on climate can be reflected, real-time monitoring data of an automatic meteorological station can provide accurate observation of microscopic point locations, and the accuracy of meteorological forecasting is improved. A macroscopic-microcosmic linkage complete data chain is formed, analysis deviation caused by a data surface is avoided, a positioning system of the automatic weather station ensures accurate binding of detection data and geographic coordinates, and by combining with a preset geographic layout boundary, the position fuzziness of the data can be avoided, so that each piece of climate data can anchor a specific geographic scene, and the accuracy of data analysis is improved. A precise space reference is provided for subsequent analysis, and the characteristics of precise data, clear monitoring, sensitive and reliable prediction and wide application range are cooperatively realized through multi-modal technology fusion.

A geographic map data system includes a map database, a data recording module and a processor. The processor executes an operation instruction and the content of the data recording module and generates a map database. According to the operation instruction, the geographic diagram data is displayed including a selection point and a selection column corresponding to the selection point. The selection column is displayed in the same layer. Each selection point has a corresponding longitude and latitude coordinate position, vertical layer information and coordinate name. The present invention can simultaneously display vertical layer information of different heights or depths in the same layer, so as to reduce the time and manpower consumed by the traditional method of constantly selecting different layer files to obtain such information.

The invention discloses a historical state architecture construction method and system for a digital power distribution network operating system, and belongs to the technical field of smart power grids. The method specifically comprises the following steps: collecting equipment change operation data of a service site through a homologous maintenance application, preprocessing the data, and storing the data in a unified model to obtain a total historical net rack data set; a third-party data driving algorithm requests historical net rack data set operation at a specified historical moment in the unified model, an operation result is merged with a total historical net rack data set and then merged with a geographic element data set, a historical net rack geographic map is obtained, the historical net rack geographic map is cut into historical state vector tiles, and the historical state vector tiles are transmitted to business applications of all network provinces for digital display. And the historical state architecture construction of the digital power distribution network operation system is realized. According to different change operation types, data maintenance of different processing is carried out on the existing net rack data, and it is guaranteed that equipment changes newly occurring in a service site can be synchronized to the running state net rack data and the historical state net rack data in the system in real time.

This application discloses a target recognition, localization, and presentation method. The method includes: acquiring an aerial image; rotating the aerial image according to the heading angle information of the aerial photography device so that its direction is the same as the direction of the geographic map; establishing a target detection model; inputting the rotated aerial image into the target detection model to obtain an aerial image with the target object identified; establishing a first coordinate system in the identified aerial image and obtaining the pixel position of the target object according to camera parameters; establishing a second coordinate system between the aerial photography device and the identified aerial image, and obtaining the geographic coordinates of the target object according to the heading angle information of the aerial photography device, its relative ground height, and geographic coordinates; and visually annotating and presenting the located target on a pre-generated 3D digital terrain of the aerial photography area based on the geographic coordinates of the target object. This invention realizes the conversion from target detection pixel coordinates to physical world latitude and longitude coordinates, improving the accuracy of target localization.

A system and method for location-based social networking, including a client device module configured to: send, to a social mapping system, a request for social media posts, wherein the request includes screen attribute information, geographic location information, and an identification of a requesting account; receive, in response to the request, a suggested group including a set of social media posts each ranked according to a customized score calculated by applying a set of preference factors of the requesting account to a general score of the social media post; and display, within a geographic map region corresponding to the geographic location information, a symbol representing at least a subset of the set of social media posts, wherein a size of the symbol is representative of customized scores of the subset of the set of social media posts.

The invention provides a network attack geographic map construction method and device fusing a knowledge map technology and a GIS technology, and is applied to the field of data processing. The method comprises the following steps: acquiring multi-source original data, and generating a structured knowledge triple by using a BiLSTM-CRF model and a DBSCAN algorithm; carrying out entity processing, multi-source interconnection and space fusion, and storing, generating and dynamically updating a network attack geographic map by using Neo4j; then constructing a target knowledge question-answering system based on a front-end and back-end separation architecture; then generating attack interpretation content in combination with the multi-dimensional information; and finally, processing multiple types of data, and completing comprehensive evaluation of geographic map construction and application effects.

The invention discloses a multi-source navigation announcement data model analysis processing display and PIB extraction method, which comprises the following steps: constructing a data identification model containing a navigation announcement standard database, and constructing the navigation announcement standard database according to announcement message types, application ranges and effectiveness levels; obtaining a multi-source navigation announcement data stream, performing structured disassembly on the navigation announcement data stream, and storing the navigation announcement data stream in a navigation announcement standard database according to a hierarchical structure and a standard data format; obtaining all associated data covering the research object from the navigation announcement standard database based on the research object, and forming a navigation announcement data report file of the research object; and extracting point, line and surface data of all associated data of the research object, and visually displaying the point, line and surface data on a GIS geographic map. According to the method, efficient management and query of the navigation announcement data are realized, the navigation announcement data report file of the research object is formed, and information technology support in the aspect of navigation announcement is provided for making a flight plan or flying.

To effectively identify an object of interest to an occupant of a vehicle.SOLUTION: The method includes processing a query to identify an object external to the vehicle, the query being made by an occupant of the vehicle. The method also includes determining a focus direction of the occupant when the query is received. The method further includes, in response to the query, setting one or more search areas extending from the vehicle based on the focus direction of the occupant. In addition, the method includes adjusting the one or more search areas based on the focus direction of the occupant. The method also includes setting one or more geo-fences corresponding to the one or more search areas for the vehicle on a geographic map in response to the query. The method further includes searching map data associated with the geographic map to identify candidate objects of interest within the one or more geo-fences.SELECTED DRAWING: Figure 1

This invention provides a method, apparatus, electronic device, and storage medium for marking target objects during low-altitude aerial surveillance. The method includes: acquiring the map target coordinates of the target object on a geographic map; acquiring range parameters; calculating the target area range on the geographic map based on the map target coordinates and range parameters; acquiring the position and attitude information of a drone; mapping the map target coordinates and target area range based on the drone's position and attitude information to obtain screen target coordinates and screen coordinate range; and capturing and displaying video images based on the screen target coordinates and screen coordinate range. By utilizing the acquired range parameters to determine the screen coordinate range and capturing images based on that range, the target object can be presented in the video image. This allows the drone livestream video images to be marked and displayed according to user needs, effectively improving the livestream value of the drone.