40 results about "Map making" patented technology

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 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.

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 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.

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 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.

The invention discloses a remote sensing land utilization map making method based on SAM3, and relates to the field of remote sensing image intelligent interpretation, and the method comprises the steps: obtaining a high-resolution remote sensing image of a research region, and constructing a cue word set containing a plurality of first-level cue words and corresponding second-level cue words according to the land utilization / land coverage classification demands of the research region; the method comprises the following steps: carrying out multi-scale partitioning processing of progressive increase grid division round by round on an input image, and carrying out zero sample segmentation on each sub-block through each cue word in a secondary cue word set; performing spatial recombination and integration on the segmentation result to obtain a three-dimensional response tensor; for any pixel point in the tensor, counting the cumulative response times of the pixel point to the category corresponding to each first-level cue word in all rounds to form a pixel-level multi-round response matrix; a competition judgment mechanism based on category recognition confidence coefficient weighting is introduced, and judgment of unique category attribution of each pixel is realized, so that a land coverage map with high precision, high stability and high interpretability is generated.

The embodiment of the invention provides a map editing method, a map rendering method and computing device.The map editing method is applied to a back-end server of an editor, the editor further comprises a plurality of front ends, and the method comprises the steps that a plurality of sub-maps of a to-be-edited map are obtained, and corresponding editing hierarchy files are constructed for the sub-maps, each editing hierarchy file is independently stored on a back-end server; distributing the plurality of sub-maps to each front end in parallel, so that a user performs editing operation on the sub-maps to generate editing data; obtaining editing data of each sub-map in parallel from each front end; and synchronizing the editing data to the editing hierarchy file corresponding to each sub-map in parallel, and obtaining a plurality of target sub-maps under the condition that editing is completed. The method can improve the map making efficiency, and can be widely applied to the fields of digital culture product making software and the like.

The application discloses a kind of map data processing method, device, medium, equipment and cloud platform, belong to map making technical field.The method comprises the following steps: obtaining at least one object surface in map intermediate data and at least one object surface corresponding adjacent surface, at least one object surface and at least one object surface corresponding adjacent surface are simulated combination and obtain simulated combination surface;Simulated combination surface with multiple closed loops is identified as the multi-face with cavity, the closed loop surrounded area inside the multi-face is identified as cavity, and the gap of at least one object surface is determined according to the cavity;The coordinates of one internal point of the gap are extracted as the representative point coordinates of the gap, and the representative point coordinates are de-duplicated to obtain the gap position.The application avoids the problems of large workload, low accuracy, easy redundancy identification and easy omission when identifying the gap in the prior art, improves the efficiency and accuracy of gap identification.

The invention relates to a map updating method and device, a storage medium, electronic equipment and a storage medium, and belongs to the technical field of map design. The method comprises the steps that first annotation data and second annotation data are acquired; the first annotation data is obtained according to vector data of a target object in the to-be-processed map, and the second annotation data is obtained according to collected point cloud data of the target object; updating the equipment pose according to a loss function between the first annotation data and the second annotation data; the equipment is used for collecting point cloud data of a target object; obtaining target annotation data according to the updated target equipment pose; the target annotation data is the updated point cloud data of the target object; and updating the target object in the to-be-processed map according to the first annotation data and the target annotation data. By using the map updating method provided by the invention, the tolerance to manual operation errors can be improved, and meanwhile, the map making precision can be improved.

The invention discloses a typesetting display method, system, device, medium and product for complex map text annotations, and relates to the field of computer-aided charting.The method comprises the steps that an annotation expression is obtained and decomposed into minimum marking units; identifying meanings of characters and structures, and generating an abstract syntax tree; traversing the abstract syntax tree to generate a typesetting instruction, executing depth-first traversal on the abstract syntax tree according to the typesetting instruction to obtain a typesetting result, and applying a dynamic layout algorithm to optimize and render an annotation. According to the method, through an automatic typesetting strategy, the display quality and editing efficiency of map text annotations are remarkably improved, the typesetting requirement for complex annotations is met, the readability and expressive power of map information are enhanced, and the method is suitable for wide map making and geographic information visualization scenes.

The application provides a thematic map frame finishing method and system, and belongs to the field of map making. The method is to obtain a base map range file, a rectangular base map and left and right lower corner note instructions through a windowed interactive interface, analyze the base map range file to obtain base map information, obtain geographical coordinates of four corner points of an inner frame according to the base map information, obtain document coordinates of the four corner points after coordinate conversion, draw a latitude and longitude grid, the inner frame and an outer frame, place the rectangular base map into the inner frame according to the calculated positioning points, realize the fitting of the actual base map and the inner frame, group and rotate the inner frame, the outer frame, the latitude and longitude grid and the rectangular base map together and place them flat, finally generate a map name, left and right lower corner texts and a scale, and output the thematic map after frame finishing. The application solves the defects of lack of standardization and flexibility of automatic frame finishing of commercial GIS software, realizes one-step standardization frame finishing, and improves the production efficiency and automation level.

This disclosure discloses a map creation method, a navigation route rendering method, and related products and devices. The map creation method includes: obtaining segments with ODD attributes on high-precision road sections from high-precision map data; determining standard-precision road segments matching the high-precision road segments in the standard-precision map data based on a pre-determined road segment matching relationship between the high-precision map data and standard-precision map data; determining matching segments of the segments in the standard-precision road segments based on the location information of the segments within the high-precision road segments; and assigning the ODD attributes of the segments to the matching segments of the standard-precision road segments. The solution provided in this disclosure can assign ODD attributes from high-precision map data to standard-precision map data, enabling related technologies implemented based on standard-precision map data (such as rendering) to utilize the ODD attributes to perform corresponding functions, thus expanding the application scenarios of standard-precision map data.

The invention provides a high-precision map generation method and device, electronic equipment and a storage medium, and the method comprises the steps: obtaining various kinds of collected vehicle-mounted data; carrying out map element generation processing on various vehicle-mounted data by utilizing a pre-trained map generation large model, and determining map element data; the map element data are corrected through a pre-trained map correction large model, corrected map data are output, and correction processing comprises one or two of the following processing modes: effectiveness judgment processing for map elements and position deviation regression processing for map element points. According to the corrected map data, redundant map elements can be better screened out, the position precision of map element points can be ensured, the map making level can be remarkably improved, and therefore the making requirement of a high-precision map can be better met.

The invention discloses a thematic vector map making method and device based on a standard map and a network picture, equipment, a medium and a product, and relates to the technical field of vector map making. The method comprises the following steps: firstly, accessing a standard map service website, downloading a geographic base map of a target area in a vector data format as a first standard map and downloading a map of the geographic base map in a raster data format as a second standard map; the method comprises the following steps of: acquiring a network picture of which the display range covers a thematic region and which is in a raster data format through the internet, then converting the network picture into a registered image by aligning elements of the same type by taking a second standard map as a background, and finally performing registration on the registered image in CorelDRAW software. The thematic vector map is generated by nesting the registered image and the first standard map, drawing the outline frame and cutting the data, so that the thematic element acquisition difficulty and the technical threshold can be reduced, and a demonstration can be made for the general public to flexibly make an artistic map based on public resources.

The invention relates to the technical field of map making of geospatial data expression, in particular to a map generation method under the support of a customized large model, which comprises the following steps: establishing a map making demand corpus set and a structured map making instruction set according to map making demands, and constructing a map making corpus; performing fine tuning on 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 meeting a preset large scale condition, and constructing a vector tile corresponding to the multi-scale map making data; and constructing at least one map making function including a data selection function, a symbol configuration function, an annotation placement function, a legend generation function, a scale placement function and a frame finishing function, and generating a map supported by the customized large model. According to the method, the professional map instruction output of the customized large model for different map requirements can be realized, and the map making engine is scheduled to perform automatic map making, so that the map making time is greatly shortened.