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19 results about "The Map Library" patented technology

The Map Library is a project of The Map Maker Trust charity, and supported by Map Maker Ltd., for the supplying of free GIS data. The project website also hosts free conversion software for raster and vector files. As of November 2008, the only data sets available were for the continents of Africa and Central America.

Shielding door control method, device and medium for simultaneously supporting hitching and luggage compartment

The application relates to a shielding door control method, equipment and medium supporting simultaneous hitching and luggage compartments, the method comprising the following steps: S1, calculating passenger safety boarding and alighting area data in a vehicle-mounted electronic map library according to train operation rules and train marshalling allowed to run on line; S2, combining door opening codes actually opening the same shielding door in data logic according to the train operation rules and the train marshalling allowed to run on line; S3, calculating the shielding door opening code according to the current actual train marshalling, the luggage compartment condition and the passenger safety boarding and alighting area data where the current train marshalling is located; and S4, driving the corresponding shielding door to open. Compared with the prior art, the application has the advantages of supporting different train marshalling to replace the first compartment at the head or tail of the train with a luggage compartment and the like.
Owner:CASCO SIGNAL LTD

Farming service management method and system

The invention discloses a farming service management method and system, and relates to the technical field of farming services. According to the method, the turning points are extracted and the road sections are divided according to the real-time path, and the lost behavior of the user is captured according to the stay duration and the path repetition ratio at the turning points; whether the user needs to provide help or not can be accurately judged according to the real-time behavior of the user; the user is prompted to have related precise navigation service requirements in time; user position matching is carried out based on real-time environment perception by constructing a park map library comprising park real-scene pictures; planning a route according to the position of the user and performing park navigation; the user can perform more accurate navigation in the park; the method is simple, effective, easy and practical.
Owner:ZHEJIANG XINGCHEN COMM TECH CO LTD

Method, device and storage medium for predicting permanent residence of guest user

This invention relates to user data management technology in the financial industry, and discloses a method for predicting the permanent residence of customers. The method includes: extracting latitude and longitude information and corresponding time-series information from the customer's embedded data; performing address matching on the latitude and longitude information using a pre-set map library to obtain address information, and extracting location features from the address information; classifying the address information according to the time-series information and location features to obtain a first address dataset; performing clustering operations on the latitude and longitude information based on the first address dataset to obtain a second address dataset, and filtering out location center data from the second address dataset; updating historical location data based on the location center data to obtain the customer's permanent residence. Furthermore, this invention also relates to blockchain technology, where customer historical data can be stored on blockchain nodes. This invention also proposes a device, electronic device, and storage medium for predicting the permanent residence of customers. This invention can improve the accuracy of predicting the permanent residence of financial and insurance users.
Owner:PING AN TECH (SHENZHEN) CO LTD

Dangerous key scene generation method and system based on big language model retrieval enhancement

The invention relates to a dangerous key scene generation method and system based on big language model retrieval enhancement, and belongs to the technical field of automatic driving simulation testing, and the method comprises the following steps: constructing a scene knowledge base and a trigger condition base based on real traffic accident data; receiving a natural language function test requirement, extracting matched real accident features by using a retrieval enhancement technology, and generating a structured hierarchical scene description; comparing the scene static elements with a pre-labeled map library by adopting a mixed thinking chain compiling strategy with map matching priority; and according to a comparison result, adaptively selecting and multiplexing an existing map file and only generating a dynamic script, or simultaneously generating a static map file and the dynamic script, and finally outputting an executable simulation code. According to the method, a hybrid compiling framework with dynamic and static separation is provided, grammar errors generated by complex road network codes are effectively avoided, and the compilable rate and simulation fidelity of OpenDRIVE and OpenSCENARIO codes are greatly improved.
Owner:CHONGQING UNIV

Incremental semiconductor image stitching and navigation method based on physical coordinate constraints

The application provides a kind of incremental semiconductor image splicing and navigation method based on physical coordinate constraint, by utilizing the space-time sequence generated by automatic control flow, construct the visual navigation prior model with physical scale constraint, including the following operation logic: when the machine table moves according to the spiral search path, the machine table motion trajectory is synchronously associated and stored to form a map library;When the machine table fails to align, based on the map library, the machine table performs the operation logic of first-stage global coarse positioning and second-stage vector jump to find the alignment mark;When the machine table jumps to the specified coordinate in the map, but the environment changes, the map is automatically iteratively updated.The method of the application improves the efficiency and accuracy of machine table alignment, and realizes effective accumulation and utilization of information in the search process.
Owner:SHANGHAI GLORYSOFT CO LTD

WMS land parcel data acquisition method and device, and medium

The invention discloses a WMS land parcel data acquisition method and device and a medium, and relates to the technical field of geographic information systems. The method comprises the following steps: registering a developer account through a sky map platform to obtain a sky map API key; based on the sky map API key, introducing a sky map JavaScript library, an OpenLayers library and a coordinate conversion library to construct a map development environment with coordinate system conversion capability; the method comprises the following steps: creating a GIS map public component based on a map development environment, and calling an OpenLayers library and a sky map JavaScript library to generate a map instance; and registering a map click event in a WMS service layer in the map instance, and sending a request to the WMS service after the map click event is obtained, so as to obtain geometric information and attribute information of a land parcel corresponding to the map click event. According to the method, a standardized and high-interactivity WMS land parcel data acquisition path is constructed by deeply fusing a sky map service, an OpenLayers library and a modularization technology.
Owner:浪潮(山东)农业互联网有限公司 +1

Complete machine installation deviation angle calibration method, surveying and mapping method and system based on IMU-GNSS

The invention relates to the field of surveying and mapping, in particular to an IMU-GNSS-based complete machine installation deviation angle calibration method, a surveying and mapping method and a surveying and mapping system, an IMU-GNSS complete machine is measured and calibrated in two scenes of a single-axis turntable and a horizontal table, the influence of environment and human factors is effectively avoided, and the precision and the reliability are relatively high; correcting the pose data generated by the IMU-GNSS complete machine according to the installation deviation angle of the IMU-GNSS complete machine on the mobile carrier; according to attitude angle sub-data contained in the pose data, performing operation correction on laser detection data generated during the movement of the mobile carrier, and generating a plurality of laser point cloud frames; constructing a local map set according to the plurality of laser point cloud frames; and according to the position sub-data contained in the pose data and the local map set, constructing a global map so as to update a global map library. The pose data is corrected through the installation deviation angle, so that the construction accuracy of a local map and a global map is ensured, and the surveying and mapping credibility is improved.
Owner:YUANJI (SHANGHAI) TECH CO LTD

IMU-GNSS System Installation Deviation Angle Calibration Method, Surveying Method and System

This invention relates to the field of surveying and mapping, specifically to a method, surveying method, and system for calibrating the installation deviation angle of an IMU-GNSS unit. It involves calibrating the IMU-GNSS unit in two scenarios: a single-axis turntable and a horizontal platform, effectively avoiding the influence of environmental and human factors, and achieving high accuracy and reliability. Furthermore, it corrects the pose data generated by the IMU-GNSS unit based on the installation deviation angle of the IMU-GNSS unit on the mobile carrier. Based on the attitude angle sub-data contained in the pose data, it performs operational correction on the laser detection data generated during the movement of the mobile carrier, generating several laser point cloud frames. Based on these laser point cloud frames, it constructs a local map set. Based on the position sub-data contained in the pose data and the local map set, it constructs a global map, thereby updating the global map library. Correcting the pose data through the installation deviation angle ensures the accuracy of the local and global map construction, improving the reliability of surveying and mapping.
Owner:YUANJI (SHANGHAI) TECH CO LTD

Picture illustration method and device for long text content, electronic equipment and storage medium

The invention provides an illustration method and device for long text content, electronic equipment and a storage medium, and the illustration method for the long text content comprises the steps: inputting to-be-illustrated text content into a natural language understanding large model, and generating a content deep understanding result; executing a multi-level linkage illustration strategy based on a deep understanding result; performing correlation evaluation on the candidate images, and outputting an optimal illustration image according to an evaluation result; wherein the multi-level linkage illustration strategy comprises the following steps: performing a first round of retrieval in a local image library based on semantic vector similarity; when the first-round retrieval result does not meet the preset correlation threshold value, triggering expansion retrieval of the online image library; when the extended retrieval still does not meet the requirement, adaptive text description is generated, and an image generation model is called to create a new image, so that the core objective of a long text can be accurately captured, the semantic gap problem is solved, the retrieval range is gradually expanded or a high-matching-degree image is generated while the retrieval efficiency is ensured, and the retrieval efficiency is improved. And the success rate and the adaptability of illustration acquisition are improved.
Owner:BEIJING ZERO ONE EVERYTHING INFORMATION TECHNOLOGY CO LTD

Map rendering engine library operation method and device, equipment, medium and product

The invention discloses an operation method and device of a map rendering engine library, equipment, a medium and a product. The operation method of the map rendering engine library is applied to the map rendering engine library, the map rendering engine library comprises a state management library, and the method comprises the following steps: after an internal component monitors the change of a first state of a receiving type in the state management library, analyzing first data content corresponding to the first state, and operating the map library based on an analysis result, the change of the first state is associated with whether an application function component is operated by a user or not, the application function component is a component associated with a map function in an application program, and a data format of the first state is a set first data format; and in response to an operation on the rendering engine library, submitting a second state to the state management library according to a set second data format, the type of the second state including a broadcast type, and the second state being used for the application program to analyze and execute a corresponding function. The method reduces the coupling between the application program and the map rendering engine.
Owner:CHINA MOBILE (XIONGAN) ICT CO LTD +4

Method and system for generating SVG topology map based on distribution network topology model

The present invention relates to the technical field of power data processing, and discloses a method and system for generating an SVG topology map based on a distribution network topology model. The method responds to a change request of a substation ledger, identifies the change in the substation ledger data, performs data integrity verification on the change in the substation ledger data, downloads the change in the substation ledger data according to a preset trigger cycle, and generates a corresponding SVG topology map of the change in the substation, thereby generating and updating the SVG topology map of the change in the ledger data in real time, meeting the real-time requirement that the substation ledger is consistent with the map library, and improving the timeliness and efficiency of generating the SVG topology map.
Owner:JIANGMEN POWER SUPPLY BUREAU OF GUANGDONG POWER GRID CO LTD +1

Training sample screening method and its device, equipment, medium, and product

The present application discloses a method for screening training samples and its apparatus, equipment, medium and product, the method comprising: obtaining probability distribution data generated by classification based on feature representation of unlabeled training samples by a trained model, wherein the trained model is a neural network model; constructing a feature map for representing mapping relationship data between the training samples and their probability distribution data, and adding the feature map to a map library; screening the feature map in the map library according to a preset screening strategy, and determining target training samples whose probability distribution data hits the screening strategy; obtaining manually annotated supervisory labels of the target training samples, and implementing supervised training on the training model accordingly. The present application can screen out unlabeled training samples with data characteristics for manual labeling cycles to be put into supervised training of the trained model, thereby improving the convergence efficiency of the trained model and reducing the trained model's dependence on training samples.
Owner:GUANGZHOU HUADUO NETWORK TECH

Picture generation method and system and computer storage medium

The invention relates to the technical field of maps, in particular to a picture generation method and system and a computer storage medium. The method comprises the following steps: calculating a bounding box based on geometric assets subjected to format conversion; scaling the to-be-rendered map based on the longitude span and the latitude span of the bounding box and the size of the to-be-rendered map, and determining the scaling level of the scaled to-be-rendered map; when the original picture proportion of the zoomed map to be rendered is inconsistent with the target picture proportion, expanding the zoomed map to be rendered; determining a longitude range, a latitude range and an address of each tile in the target rendering map based on the zoom level and the first coordinate and the second coordinate of the target rendering map; and generating a target picture with the geometric assets based on the geometric assets, the longitude range, the latitude range, the address and the index number. According to the method, a corresponding map library does not need to be introduced into each platform, and pictures with geometric assets, which are used for multiple times at multiple ends, can be generated at one time.
Owner:SHANGHAI ALLYNAV TECH CO LTD

A device deployment optimization method for different road condition perception coverage problems

The application provides a device deployment optimization method for different road condition perception coverage problems, comprising the following steps: analyzing different road types, establishing a grid map library and a roadside device model library; in order to ensure the rationality and robustness of the optimization result, a two-stage method is adopted to carry out deployment optimization for sensors and MEC key devices; in the first stage, the NSGA-Ⅱ algorithm is used to carry out deployment design on the sensors in the RSU, so as to ensure the optimal configuration of the sensors in different road scenes; in the second stage, a hybrid expert model of clustering and model predictive control (MPC) is used to carry out deployment on the MEC devices, and the topological relationship between the roadside devices is established to adapt to the communication demand of the actual road scene; based on the obtained roadside device deployment scheme, the deployment in the actual scene is carried out. The application can carry out optimization deployment for various different scenes and sensor demands based on the optimization algorithm, and has high data transmission robustness.
Owner:SHENZHEN AUTOMOTIVE RES INST BEIJING INST OF TECH (SHENZHEN RES INST OF NAT ENG LAB FOR ELECTRIC VEHICLES) +1

Atmogram library construction method and system for realizing animation materials based on big data

The invention relates to the technical field of cartoon material library construction, and discloses a method and system for realizing cartoon material atlas library construction based on big data, and the method comprises the steps: collecting multi-element cartoon materials based on a big data technology, the multi-element cartoon materials comprise an image sequence, a structured text and unstructured audio data, and extracting image features; performing triple structure conversion on the structured text, and performing animation semantic assignment to extract text features; performing feature alignment on the audio features, the image features and the text features to construct a three-dimensional incidence matrix; and decomposing the three-dimensional incidence matrix into a multi-factor matrix, calculating the scene co-occurrence frequency of each factor in the multi-factor matrix to analyze the correlation weight of the factors in the multi-factor matrix, and constructing the map library of the multi-element animation material based on the multi-factor matrix and the correlation weight. According to the invention, the material collaboration degree of the animation map library can be improved.
Owner:SHENZHEN MENGXIANG CULTURE COMM CO LTD

Screen door control method supporting both coupling and baggage carriage

ActiveUS12686422B2In vehicleThe Map Library
The present invention relates to a screen door control method supporting both coupling and a baggage carriage, a device, and a medium. The method includes: S1, calculating data of a safe passenger boarding and alighting area in an onboard electronic map library based on train running rules and train formations allowed for online running; S2, merging, by an interlocking system based on the train running rules and the train formations allowed for online running, same opening codes for actually opening screen doors in data logic; S3, calculating, by an onboard controller, a screen door opening code based on a current actual train formation, a baggage carriage condition, and data of a safe passenger boarding and alighting area in which the current train formation is located; and S4, driving, by the interlocking system, a corresponding screen door to be opened. Compared with the prior art, the present invention has advantages of supporting an operation manner of replacing a first carriage at a head or tail of different train formations with a baggage carriage, and the like.
Owner:CASCO SIGNAL LTD

A map matching method, device and storage medium

Embodiments of the present specification provide a map matching method and device and a storage medium. The method comprises: acquiring a to-be-matched map; inputting the to-be-matched map into an image segmentation model to obtain a plurality of image segmentation mask graphs; determining, from the plurality of image segmentation mask graphs, a plurality of target mask graphs greater than a threshold value; performing positive and negative binaryzation processing on each target mask graph to obtain a positive and negative binaryzation mask graph; for each standard map in a preset standard map library, acquiring a standard map mask graph and a size of the standard map mask graph; generating a new positive and negative binaryzation mask graph of each target mask graph according to the standard map mask graph and the size; matching the generated new positive and negative binaryzation mask graph with the standard map mask graph based on an image matching model to respectively output a point pair of each target mask graph and the standard map mask graph; and determining a standard map matched with the to-be-matched map according to the most point pairs. The present application can realize intelligent matching of maps.
Owner:CHINESE ACAD OF SURVEYING & MAPPING

Screen door control method supporting both coupling and baggage carriage

The present invention relates to a screen door control method supporting both coupling and a baggage carriage, a device, and a medium. The method includes: S1, calculating data of a safe passenger boarding and alighting area in an onboard electronic map library based on train running rules and train formations allowed for online running; S2, merging, by an interlocking system based on the train running rules and the train formations allowed for online running, same opening codes for actually opening screen doors in data logic; S3, calculating, by an onboard controller, a screen door opening code based on a current actual train formation, a baggage carriage condition, and data of a safe passenger boarding and alighting area in which the current train formation is located; and S4, driving, by the interlocking system, a corresponding screen door to be opened. Compared with the prior art, the present invention has advantages of supporting an operation manner of replacing a first carriage at a head or tail of different train formations with a baggage carriage, and the like.
Owner:CASCO SIGNAL LTD

Mobile device positioning method, apparatus and computer-readable storage medium

This application provides a mobile device positioning method, apparatus, and computer-readable storage medium, relating to the field of motion positioning algorithm technology. The method includes: acquiring a mapping map library; wherein the mapping map library is generated by matching a first map and a second map; determining the sensing position of the mobile device under test in the second map of the mapping map library based on target sensing data of the mobile device under test; and determining the target position of the mobile device under test in the first map of the mapping map library based on the sensing position, thereby locating the mobile device under test; wherein the first map is constructed based on image data collected in the target area, and the second map is constructed based on historical sensing data collected by the sensing device as it moves in the target area. By matching different maps corresponding to image data and sensing data to obtain the corresponding mapping map library, the actual position of the mobile device can be determined according to the actual situation of the mobile device, improving the effectiveness and accuracy of positioning.
Owner:CHONGQING SAIDIQIZHI ARTIFICIAL INTELLIGENCE TECH CO LTD