67 results about "Map making" patented technology

Thematic map preparation method and apparatus, a storage medium and an electronic device are provided. The method includes: preparing a map style master based on an aimed application field; generating metadata information corresponding to the map style master, wherein the metadata information includes a mapping relationship between each of the geographical units in the map style master and the initial color identification corresponding thereto, and the metadata information further includes location information about the legend in the map style master; processing original input data, and acquiring an attribute color identification of each geographical unit in the original input data; and replacing the initial color identification corresponding to each of the geographical units in the map style master with the attribute color identification, and updating the legend, so as to obtain a thematic map of the original input data when aimed at the application field.

The invention belongs to the technical field of ground unmanned platforms, and particularly relates to a sky-air-ground integrated cross-country environment high-precision map construction method. Comprising the following steps: 1, acquiring a cross-country environment high-precision map; and 2, making a cross-country environment high-precision map. According to the invention, automatic extraction of elements is realized by combining an automatic extraction technology; in the aspect of map making, making specifications are provided, and the running efficiency of a high-precision geographic information system is improved while it is guaranteed that the cross-country maneuvering requirement of a ground unmanned platform in the cross-country environment is met; incremental data updating is carried out on the high-precision map based on a real-time mobile environment perception result of the ground unmanned platform so as to ensure the timeliness of the high-precision map. Through the method, the blank of a high-precision map technology in the field of automatic driving in the cross-country environment is filled up, and support is provided for improving the cross-country maneuverability of a ground unmanned platform.

The invention relates to the technical field of cartographic systems, in particular to a three-dimensional map making system capable of automatically converting data, comprising a data acquisition module for acquiring different types of geographic information data from a plurality of data sources; the automatic data conversion module is used for performing format conversion on the acquired geographic information data and specifically comprises a self-adaptive analysis sub-module for converting the data into a uniform intermediate format; the multi-level precision control and error compensation sub-module is used for carrying out precision analysis and multi-level error compensation on spatial point coordinates in the data conversion process; and the intelligent modeling and optimizing module is used for modeling a three-dimensional map model based on the compensated and converted data, wherein the modeling process comprises automatic topological optimization, texture mapping enhancement and geometric structure refinement. According to the method, the problems of low processing efficiency, inconsistent data precision and the like caused by incompatibility of multi-source data and manual intervention in a traditional method are solved, and the automation degree and the processing efficiency of three-dimensional map making are greatly improved.

The present application discloses a method for making a mining area map based on a user-defined mapping tool, which relates to the field of map making, including: obtaining mining area terrain and vehicle specification parameters to generate a mining area road network model; then using vehicle-mounted sensors to collect vehicle driving trajectories, slope information and point cloud data, and performing data preprocessing; then formulating a mapping standard containing mining area map element types, expressions and usage scenarios based on the collected data; finally, based on the mapping standard, extracting mining area map elements through a customized mapping tool to generate a mining area map that meets the needs of unmanned vehicles. In view of the problem of poor adaptability of mining area map making in the prior art, the present application generates a mining area map that meets the needs of unmanned vehicles.

The invention relates to an intelligent map making system and method based on a large language model, and the method comprises the steps: enabling a client to input data analysis information and a map making demand to a task planning Agent of a server, and carrying out the reasoning and disassembly of the input information into preliminary planning information through a double-LLM mechanism, the method comprises the following steps that Agent is used as a tool library, a tool library document, a knowledge library and a memory library are further inquired, a tool is selected through RAG and sent to a client side, if an existing tool cannot meet requirements, the Agent will generate a special code to complete a task, the client side calls the tool to carry out specific drawing according to received information, and a user can re-plan and adjust the drawing process through dialogue. The memory bank records session information and charting interaction operation information of this time and history. The problem of system fragmentation is solved through a unified architecture, stability and flexibility are balanced by combining large language model driving, tool agent and code generation, domain knowledge is introduced to enhance decision and improve specialty, and a user preference memory mechanism is constructed to realize personalized services.

The invention relates to the technical field of geographic knowledge, in particular to a thematic geographic element knowledge data construction method and system for digital map production, and the method comprises the steps: carrying out the data preprocessing of multi-source heterogeneous geographic space data, and obtaining target geographic space data; the multi-source heterogeneous geospatial data are data with spatial coordinates, which are from different information source platforms and have different data formats; performing mapping conversion on the target geographic space data and the specified thematic geographic elements to obtain specified thematic geographic entity data, performing entity coding on specified thematic geographic entities, and performing materialization on the specified thematic geographic entity data based on the entity coding; and performing structured storage on the materialized data according to the data structuring template, and constructing a digital map geospatial knowledge graph by extracting entity attributes and entity relationships so as to perform visual display on the multi-source heterogeneous geospatial data. According to the method, intelligent knowledge association can be carried out on multi-source heterogeneous data, and technical support is provided for geographic space data analysis and application.

The invention belongs to the technical field of computer map making, and particularly relates to an intelligent river system grading method and device based on feature local standardization, and the method comprises the steps: carrying out the preprocessing and river reach feature extraction according to an existing river system grading result; secondly, carrying out local standardization on river reach features; then inputting into a random forest classification model for supervised learning, and applying the trained model to main and branch classification of an ungraded river system; and finally, establishing a hierarchical tree of the river system according to a main and branch flow classification result, and assigning hierarchical codes to the river reach in the river system. According to the method, the automatic river system grading effect and the manual grading result have high consistency, high-quality automatic river system grading can be achieved, and further applications such as river system selection and drawing expression are supported.

The invention relates to the technical field of map making, in particular to a method and system for making a three-dimensional high-precision map containing road geometric elements, and the method comprises the steps: extracting original data from an original file through employing a user-defined analysis tool; preprocessing and checking the extracted original data to obtain core element data; and according to the core element data, generating a road three-dimensional model by adopting a space calculation model, and according to the core element data and a road design specification, performing derivative element calculation and generative three-dimensional element supplementation to form a three-dimensional lane-level road electronic map. According to the scheme, the three-dimensional high-precision map containing the road geometric elements can be manufactured, the map manufacturing efficiency is improved, the map precision is enhanced, and the cost is reduced.

The invention provides a game map generation method and device, a program product and electronic equipment, and relates to the technical field of games. The game map generation method comprises the following steps: displaying a game editing scene in a graphical user interface, wherein the game editing scene comprises a scene component; in response to an attribute editing operation for the map component, editing attribute parameters of the map component, the attribute parameters including a scene effective area corresponding to the map component, and the scene effective area being an area in the game editing scene; performing image acquisition on the scene effective area through a map camera to obtain a scene image of the scene effective area; and displaying the scene image through the map component. According to the method and the device, the editable map component is provided, so that the convenience of map making is improved, personalized customization of the map can be realized for different game scenes, the applicability is relatively high, and different creation requirements of users can be met.

The present application provides a method, device, equipment, storage medium and program product for making a high-precision map, and relates to the technical field of high-precision map making. In this method, firstly, the number of standard precision roads corresponding to each high-precision road in the standard precision road in the high-precision map framework is determined by a predefined road matching algorithm, and then for those high-precision roads whose corresponding number of standard precision roads exceeds the road number threshold, the navigation road attributes of the high-precision road are assigned according to the ratio between the length of each standard precision road and the length of the high-precision road and the navigation road attributes, thereby obtaining the target high-precision road. Through this method, the cost of making high-precision maps can be effectively reduced.

This map creation device is provided with: an acquisition unit that acquires images captured by an imaging device; a selection unit that selects an acquired image as a key frame, each time the amount of movement of a vehicle exceeds a predetermined value; a feature point detection unit that detects a plurality of feature points from the images of the key frames; a feature point selection unit that excludes, from the association of feature points, feature points, among the detected feature points, for which a distance, on the images, between consecutive key frames is smaller than a predetermined value and a luminance value is greater than a predetermined value; a feature point association unit that associates the feature points between the images of the key frames on the basis of features of the feature points that have not been excluded; and a position calculation unit that calculates three-dimensional positions of the associated feature points.

The invention relates to the technical field of intelligent driving, and discloses a lightweight map making method and system, a vehicle and a medium, and the method comprises the steps: obtaining a driving track, road information and navigation information of a target vehicle; based on the navigation information and the road information, carrying out fusion processing on the driving track to obtain a target track; extracting a target scene from the road information, and constructing a scene data set; and making a map of the target vehicle based on the target trajectory and the scene data set. According to the method, the driving track and the road condition in the vehicle driving process are acquired, track fusion and scene information extraction of key road conditions such as lane number change, intersections and stop lines are performed, and the map is made based on the fused track and scene information, so that the data volume required for map making can be greatly reduced, the map making precision and efficiency are improved, and the map making cost is reduced. The updating period is shortened, and the intelligent navigation requirement of the vehicle is met.

The application belongs to the technical field of map knowledge, and particularly relates to a map knowledge representation method based on a knowledge graph. The method first acquires map data, extracts map knowledge therefrom, including concept class knowledge and rule class knowledge, the concept class knowledge being common sense knowledge in the field of cartography and including map element knowledge; the rule class knowledge being various models, rules and principles formed in the process of map making; then generates a map knowledge network graph based on the knowledge graph according to the map element knowledge; and finally performs knowledge reasoning according to the rule class knowledge, completes the map knowledge network graph, and generates new entities and / or new entity relationships. The application fully mines geographical knowledge contained in a map, provides a basis for all-round knowledge mining and fusion of the map, and has certain reference value for realizing the transformation of 'data-information-knowledge'.

The application provides a three-dimensional geographic PDF map making method and system, the method comprising: obtaining and analyzing three-dimensional map data, including projection mode, geometric data, attribute data and the like; constructing a U3D (Universal 3D) data object, converting and storing the three-dimensional map data into a U3D data format; based on a three-dimensional geographic PDF map model, organizing the three-dimensional map data into a 3D Artwork structure in a PDF file format by respectively constructing a 3D Annotation structure, a 3D Stream structure and a 3D View structure; and outputting a PDF file, thereby obtaining a three-dimensional geographic PDF map. The application can organize, store, transmit and express three-dimensional map data by using a PDF document, thereby expanding the application field of three-dimensional maps.

The present disclosure provides a method, an apparatus, and an electronic device for determining a map-making behavior, relating to the field of artificial intelligence technology, and particularly to the fields of intelligent maps and intelligent transportation technology. The specific implementation solution is as follows: Obtain N behavior sequences of a target task type, where the N behavior sequences respectively include: the behavior sequences of an input device during the production processes of N production tasks, the N production tasks are based on the input device, and the N production tasks are map data production tasks belonging to the target task type; cluster the N behavior sequences to obtain M behavior sequence types; determine a target behavior sequence type among the M behavior sequence types, and use the behavior sequences of the target behavior sequence type as reference behavior sequences, where the reference behavior sequences are reference behavior sequences for producing production tasks of the target task type. The present disclosure can improve the efficiency of determining reference behavior sequences for production tasks.

The present invention is a method for operating a computing device for performing a method for making a precise indoor map using a closed path, the method including: using at least one sensor module including a lidar sensor, an inertial measurement unit sensor, and one or more visual sensors; a step of moving the position of the robot for generating the image of the precision map and the sensor data to a first position; a step of constructing a first closed path for pose map optimization according to the odometer estimation from the first position in order to generate a first map using the movement of the robot; updating a second map generation path corresponding to the current path of the robot and at least a part of the sensor data by using at least one of path information of the first closed path and the sensor data; and outputting a second map updated on the basis of the updated second map generation path and the sensor data.

According to the high-precision map acquisition and production integrated method and system provided by the invention, data is acquired by using a sensor on a mass production vehicle, and the steps of SLAM technology multi-source fusion mapping, map topological generation and the like are combined, so that high-quality and high-availability map data can be generated; and a solid foundation is provided for subsequent automatic driving and navigation application. According to the invention, the cost is reduced by adopting lightweight hardware equipment; efficient algorithms and models are used for data processing and map generation, so that the manufacturing efficiency is improved; and through the integrated design, seamless exchange and integration of data are realized, and the precision and real-time performance of the map are ensured. The system can integrate a plurality of links of data acquisition, processing, manufacturing and the like, realizes integrated operation, reduces equipment and labor cost, and improves manufacturing efficiency. Meanwhile, the system also has high-precision and high-real-time map making capability so as to meet the requirements of various application scenes on high-precision maps.

The application discloses a mapping method and device, a map making system, a medium and equipment, and belongs to the technical field of data processing. The method mainly comprises the following steps: performing line feature extraction on a 2D image corresponding to a pre-established 3D point cloud map to obtain a 2D line segment; respectively extending a line of sight from a visual focus to both ends of the 2D line segment to obtain intersection points corresponding to both ends of the 2D line segment in the 3D point cloud map; generating an intersection line segment by using the intersection points, projecting the intersection line segment into the 2D image, and obtaining a target line segment with a perpendicular distance to the 2D line segment less than or equal to a first preset distance threshold; and establishing a line feature map by using the target line segment. A method based on a view cone point cloud is provided to restore the depth information of the line feature extracted from the image, avoid converting the 2D line feature into a 3D line feature through line feature triangulation, reduce the computation amount of the system, simplify the operation process, improve the mapping efficiency, obtain more accurate depth information in combination with laser point clouds, and improve the map precision.

The present invention belongs to the field of computer map making technology, and specifically relates to a method and apparatus for intelligent river system classification based on local feature standardization. The method comprises: first, preprocessing and extracting river segment features based on existing river system classification results; second, local standardization of river segment features; then, inputting the model into a random forest classification model for supervised learning, and applying the trained model to the classification of main tributaries in unclassified river systems; and finally, establishing a hierarchical tree of the river system based on the main tributary classification results, assigning hierarchical codes to the river segments in the river system. The automatic river system classification of the present invention has a high degree of consistency with manual classification results, can achieve high-quality automatic classification of river systems, and supports further applications such as river system selection and cartographic expression.

The embodiments of the present application provide a map making method, device, electronic device and computer-readable storage medium. The method is applied to an electronic device, and the method includes obtaining a first map to be processed and a target map where the first map is located, wherein the first map contains a first number of first pixels, and each first pixel contains a first elevation value; when the first number is less than a preset second number, the first map is converted into a second map containing a second number of second pixels; based on the first number of first elevation values ​​and the target map where the first map is located, the second elevation value corresponding to each second pixel is determined; based on the second map and the second elevation value corresponding to each second pixel, a Terrain‑RGB map is obtained. The method can make the first map to be processed into a Terrain‑RGB map with a higher resolution when there is a demand for the production of a high-resolution Terrain‑RGB map, thereby meeting the actual use requirements of high-resolution display of Internet maps.

The application provides a micro-map personalized layout information mining method, relates to the related professional knowledge of image processing and cartography, and solves the problem of difficult mapping caused by the lack of professional map knowledge of ordinary people; the method comprises the following steps: obtaining the combination characteristics and position characteristics of map layout elements, obtaining the relationship characteristic information between the layout elements, and constructing a micro-map layout knowledge base; the map component personalized layout information mining method can effectively obtain the distribution characteristics of the map components in the map, provide help for the ordinary people who lack mapping basis, and improve the map production efficiency and map quality.

According to the map linear symbol design and plug-in automatic configuration method under the AI, the novel linear symbol design and configuration method is provided for the defect that existing linear symbols cannot be rapidly configured, mapping software Adobe illustrato is expanded, and a map mapping module is added. Under the control of a map rule base, a geographic information database is used to achieve rapid symbolization of data, and rapid configuration of map linear symbols is achieved. Therefore, the rapid symbol configuration of the GIS data can be realized, the manual workload of map making is reduced, the overall quality of map compilation is improved, the symbol design not only considers whether the symbols are attractive and elegant, but also solves the problems that linear symbol information in the map symbols is complicated, the program algorithm is complicated, and the calculation amount is large; the linear symbols can be scientifically, reasonably and effectively designed and expressed to become map symbols, and help is provided for full-automatic mapping.

The present disclosure provides a method and device for determining a map grid, electronic equipment and storage medium, relates to the technical field of image generation, specifically relates to the technical field of map making and map grid drawing, and can be applied to the scenes of event statistics and area statistics. The specific implementation scheme comprises the following steps: obtaining a latitude interval and a longitude interval of a rectangular drawing area, one side of the rectangular drawing area being parallel to the equator line; determining a latitude change value according to a preset first grid precision, the latitude change value being the difference between the upper edge latitude and the lower edge latitude of any horizontal row of grids to be drawn in the rectangular drawing area; and determining the latitude and longitude coordinates of the vertices of each grid according to the latitude interval, the longitude interval, the latitude change value and a preset second grid precision. The present disclosure can accurately obtain the latitude and longitude coordinates of the vertices of the grids with the same actual area, and improves the accuracy of the actual area represented by the drawn grids.

The present disclosure provides a mapping method, apparatus, device and storage medium for high-precision maps, and relates to the field of computer technology, in particular to technical fields such as application management, image processing, and map production. The specific implementation scheme is as follows: receiving a mapping request, which is used to request the execution of a mapping task; determining the target program version corresponding to the first application based on the version snapshot corresponding to the mapping task, wherein the version snapshot is used to record the program version required to execute the mapping task, and the first application is the application used to execute the mapping task; according to the target program version, calling the first application to execute the mapping task to obtain a high-precision map. Thus, the stability of the program version called by the mapping task is improved by means of version snapshots, and the efficiency of high-precision map making is improved.

The present invention relates to the technical field of map making, and particularly relates to a map optimization method, device, equipment and storage medium. The method includes obtaining a target point cloud frame of a point cloud map and a neighborhood grid of the target point cloud frame; extracting point cloud features of the target point cloud frame and the point cloud frames in the neighborhood grid, and determining whether the point cloud features of the target point cloud frame and the point cloud features of the neighborhood grid satisfy a preset smoothing processing condition; if satisfied, determining a distance value between the target point cloud frame and the corresponding point cloud frame in the neighborhood grid, and determining a corresponding weight value based on the distance value by using a preset weight function; performing a smoothing transition process on the target point cloud frame and the corresponding point cloud frame in the neighborhood grid based on the weight value to obtain an optimized point cloud map. The present application smooths two point cloud frames without feature continuity by increasing the weight value, so as to solve the problem of discontinuous point cloud frame features in the process of making a map by the existing normal distribution change algorithm.

The application discloses a fine map intersection road surface manufacturing method, device, medium and equipment, and belongs to the map manufacturing field.The method mainly comprises the following steps: obtaining road guide lines and edge marks of intersecting roads according to point cloud data collected and acquired, and generating a common road surface according to the edge marks; obtaining a center point of the intersection road surface according to the road guide lines; and obtaining the intersection road surface according to the common road surface and the center point of the intersection road surface.The center point of the intersection road surface is obtained, and the intersection road surface is obtained according to the center point of the intersection road surface, so that the intersection road surface manufacturing in the high-fineness map manufacturing process can be fully automated, and the manufacturing efficiency is greatly improved.

The application relates to a chip power map making method and making system. The system comprises a code checking module configured to complete compliance checking of a functional partition group name and a functional sub-block coordinate in original code of a chip layout; a table analysis and conversion module configured to split the original code of the chip layout, generate a standardized data table and automatically splice a rectangular drawing control statement; a control file generation module configured to output a first automatic drawing control file storing the rectangular drawing control statement and a second automatic drawing control file storing a layer color matching rule; a computer-aided drawing module configured to import the first automatic drawing control file and the second automatic drawing control file, and automatically generate a layered visual primary power map; a grid optimization module; a coordinate extraction module; and a simulation docking module. The generated power map supports dynamic power consumption data iterative updating.

The present application relates to the technical field of map making of geographic spatial data expression, and particularly relates to a map generation method supported by a customized large model, wherein the method comprises: establishing a cartographic demand corpus set and a structured cartographic instruction set according to cartographic demand, and constructing a map making corpus; fine-tuning the customized large model by using a fine-tuning mechanism and a cross-entropy loss function of the customized large model; collecting basic geographic information data satisfying a preset large-scale condition, and constructing vector tiles corresponding to multi-scale map making data; constructing at least one map making function comprising a data selection function, a symbol configuration function, a note placement function, a legend generation function, a scale placement function and a border decoration function, and generating a map supported by the customized large model.The present application can realize professional map instruction output of the customized large model for different map demands, and dispatches a cartographic engine to perform automatic map making, thereby greatly reducing map making time.

The invention belongs to the technical field of city management, and particularly relates to a geographic map establishing method, which comprises the following steps of: 1, determining targets and demands: determining the targets: firstly, determining the purposes and purposes of map making, such as teaching display, city planning, tourism guide, scientific research and the like, and analyzing the demands, the geographic map establishing method analyzes geographic elements (such as terrains, water systems, traffic, places of residence and the like) contained in the map and the detailed degree of the elements, and has the beneficial effects that the system emphasizes the independence and interdependence of each step, and requires careful consideration and strict execution in each stage, so that the efficiency of establishing the geographic map is greatly improved. And meanwhile, the system pays attention to the accuracy of the data and the practicability of the map so as to meet the requirements of different users, and through the system, the production of the geographic map becomes more standard, efficient and reliable.