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29 results about "Map making" patented technology

Intelligent map making system and method based on large language model

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.
Owner:SOUTHWEST JIAOTONG UNIV

Method and system for making three-dimensional high-precision map containing road geometric elements

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.
Owner:DONGSEN DIGITAL TECH (CHONGQING) CO LTD

A knowledge graph-based map knowledge representation method

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'.
Owner:Chinese People's Liberation Army Cyberspace Force Information Engineering University

A method and system for making a three-dimensional geographic PDF map

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.
Owner:CHINA UNIV OF GEOSCIENCES (WUHAN)

Micro-map personalized layout information mining method

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.
Owner:LANZHOU JIAOTONG UNIV

Method and device for determining map grid, electronic equipment and storage medium

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.
Owner:BEIJING BAIDU NETCOM SCI & TECH CO LTD

Fine map intersection road surface production method, device, medium and equipment

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.
Owner:NAVINFO

Chip power map making method and making system

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.
Owner:奕算智能科技(上海)有限公司 +1

A map generation method under support of a customized large model

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.
Owner:WUHAN UNIV

SAM3-based remote sensing land utilization map making method

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.
Owner:NANJING HYDRAULIC RES INST

Map editing method, map rendering method and computing equipment

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.
Owner:ZHUHAI KINGSOFT ONLINE GAME TECH CO LTD

A map data processing method, device, medium, equipment and cloud platform

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.
Owner:NAVINFO

Map updating method and device, electronic equipment and storage medium

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.
Owner:XIAOMI EV TECH CO LTD

A thematic map frame finishing method and system

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.
Owner:CHINESE PEOPLES LIBERATION ARMY UNIT 61618

Map creation methods, navigation route rendering methods, and related products and devices

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.
Owner:ALIBABA GROUP HOLDING LTD

Standard map and network picture-based thematic vector map making method, apparatus and device, medium and product

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.
Owner:LANZHOU JIAOTONG UNIV

Map generation method under support of customized large model

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.
Owner:WUHAN UNIV

Game map generation method and apparatus, and program product and electronic device

PCT designated stageWO2026153014A1PersonalizationGraphical user interface
A game map generation method and apparatus, and a program product and an electronic device. The game map generation method comprises: displaying a game editing scene in a graphical user interface, wherein the game editing scene comprises a scene component (S110); in response to an attribute editing operation for a map component, editing an attribute parameter of the map component, wherein the attribute parameter comprises a scene valid area corresponding to the map component, and the scene valid area is an area in the game editing scene (S120); performing image acquisition of the scene valid area by means of a map camera, so as to obtain a scene image of the scene valid area (S130); and displaying the scene image by means of the map component (S140). An editable map component is provided, such that the convenience of making a map is improved, and the personalized customization of maps can also be realized for different game scenes. The present invention has strong applicability and can meet different creation requirements of users.
Owner:NETEASE (HANGZHOU) NETWORK CO LTD

Map availability evaluation method and system based on multi-dimensional quantitative model

The invention discloses a map availability evaluation method and system based on a multi-dimensional quantitative model, and belongs to the technical field of map making and user experience evaluation. The method comprises the following steps: firstly, constructing a VR immersion environment according to the mapping size and purpose of a map, and collecting multi-modal cognitive behavior data and subjective evaluation data of a subject; based on the multi-modal cognitive behavior data, statistical calculation is carried out on quantitative scores of three dimensions of element distinction degree, element readability and retrieval efficiency; and finally, through a hierarchical entropy weight and expert calibration fusion weighting mechanism, performing weighted fusion on the quantitative score of each dimension and the experience scale data to obtain a comprehensive availability evaluation result. According to the method, the natural reading scene of the map can be truly restored, multi-dimensional quantitative evaluation is realized, the evaluation efficiency and accuracy are improved, and a scientific basis is provided for map optimization.
Owner:XUZHOU SURVEYING & MAPPING RES INST CO LTD

Feature point extraction and matching method and device, map making system and medium

The application discloses a feature point extraction and matching method and device, a map making system and a medium, and belongs to the technical field of data processing. The method mainly comprises the following steps: converting 3D point cloud data under a 3D bird's-eye coordinate system into a 2D grayscale image by using the pre-established 3D bird's-eye coordinate system; extracting feature points from the 2D grayscale image to obtain feature information of the feature points; and matching the feature points by using the feature information, and taking the matched feature points as associated points. By providing a combination of 3D point cloud and image, the feature points in the driving process of the vehicle are extracted, the feature points are matched with historical frame feature points, and matching pairs with a matching score exceeding a threshold value are selected, so that accurate matching of the feature points of the vehicle is realized, accurate positioning of the vehicle is realized, and the experience effect of the user in the driving process is improved.
Owner:MOMENTA (SUZHOU) TECHNOLOGY CO LTD

Map data drawing method, device, equipment, medium and program product

PendingCN122336067APoint cloudData space
This application discloses a method, apparatus, device, medium, and program product for drawing map data, relating to the field of computer technology. The method includes: receiving a selection operation for a first point cloud location in a point cloud data space; obtaining marker parameters corresponding to ground markers based on the first point cloud location; constructing a bounding box corresponding to the marker parameters; traversing the bounding box's range to determine the distribution range of the point cloud data of the ground markers on the ground in the point cloud data space, generating a drawing area corresponding to the distribution range; and generating map drawing data of the ground markers based on the drawing area. In this application, the operator only needs to select a specific point cloud location to obtain the map drawing data of the ground markers, simplifying the drawing operation steps and improving map drawing efficiency. This application can be applied to scenarios such as large-scale transportation, map production, 3D modeling, and architectural design.
Owner:TENCENT TECHNOLOGY (SHENZHEN) CO LTD

Invalid interest point detection method and device and electronic equipment

PendingCN121280692ACharacter and pattern recognitionAlgorithmInterest point detection
The invention discloses an invalid interest point detection method and device and electronic equipment, and relates to the technical field of map making. The method comprises the following steps: acquiring a target area feature of map data of a target area type, thereby acquiring a target interest point density corresponding to the target area feature; wherein the target interest point density is calculated by a pre-trained regression model; acquiring map interest point density corresponding to the target area feature; and calculating a ratio of the map interest point density to the target interest point density, and if the ratio is greater than a ratio threshold, determining that invalid interest point information exists in the map data of the target area type. According to the embodiment, the technical problem that invalid interest point detection efficiency is low can be solved.
Owner:TOYOTA JIDOSHA KK

Modularized natural language and geographic information system collaborative map making method

The invention relates to the technical field of map making, in particular to a modular natural language and geographic information system collaborative map making method. According to the natural language-driven modular mapping scheme, the system receives a natural language instruction of a user to obtain a mapping requirement, different geographic information system functions are processed through the pluggable semantic conversion module group, a standardized parameter instruction set and a traceable instruction-function mapping chain are output, and the mapping requirement is met. A user instruction is collected at the front-end interaction layer to form an interaction instruction stream, the middle conversion layer generates a standardized operation log according to the instruction stream and a parameter instruction set, and the rear-end execution layer calls a geographic information system engine to complete drawing; flexible adjustment of the drawing process is achieved through modular design, the parameter setting difficulty is reduced through natural language interaction, the multi-department cooperation efficiency is improved, and emergencies are effectively coped with.
Owner:SURVEYING & MAPPING INST LANDS & RESOURCE DEPT OF GUANGDONG PROVINCE +1

Point element conflict processing method, system and equipment in map making and medium

The invention discloses a point-like element conflict processing method, system and device in map making and a medium, and the method comprises the steps: selecting a first point-like element and a second point-like element from the map making, and determining an element type between the first point-like element and the second point-like element; carrying out conflict analysis on the first point-like element and the second point-like element according to the element type; selecting a to-be-processed point element from the first point element and the second point element according to a conflict analysis result; and performing conflict processing on the to-be-processed point elements through a preset position movement method. According to the invention, the point-like elements are subjected to conflict analysis according to the element types, and then the point-like elements are subjected to conflict processing through the preset position movement method, so that conflicts among different rules are balanced, the requirement of real-time interactive mapping is met, and the readability and accuracy of the map are improved.
Owner:WUHAN ZHITU TECH CO LTD

System and method for facilitating user interaction with a simulated object associated with a physical location

A method of facilitating interaction, via a device, with a simulated object that is associated with a physical object other than a user at a physical location in a real environment is provided. The method includes rendering a user interface including a map of a physical location, receiving a selection of a region on the map made by the user via the user interface, obtaining location data of the device while displaying at least one image obtained by a camera of the device, in response to determining that the location data obtained by the device satisfies a criterion specifying where the simulated object associated with the physical object can be generated, providing a simulated object with the at least one image obtained by the camera, and automatically adjusting the simulated object based on change of a motion of the device.
Owner:SAMSUNG ELECTRONICS CO LTD

Map making method and device, electronic equipment and storage medium

The embodiment of the invention provides a map making method and device, electronic equipment and a storage medium, relates to the technical field of image processing, and is suitable for the fields of financial science and technology and medical health. The method comprises the steps that an image resource server storing an original map is determined, map information of the original map is acquired from the image resource server, and the map information comprises a layer name and a resolution threshold value of an original layer; grouping each original layer according to each resolution threshold to obtain a layer information group; generating a layer group acquisition request according to the minimum resolution threshold in each layer information group and the name of each layer; each layer group acquisition request is sent to an image resource server, a target layer group is received, and the target layer group comprises at least one original layer; adjusting the resolution of each original layer to a preset resolution to obtain a target layer; and generating a target map according to each target layer. According to the embodiment of the invention, the map making reliability can be improved.
Owner:CHINA PING AN PROPERTY INSURANCE CO LTD