63 results about "Map labeling" patented technology

Digital tile-based mapping techniques are disclosed that enable efficient online serving of aesthetically pleasing maps. In one particular embodiment, an image tile-based digital mapping system is configured for generating map tiles during an offline session, and serving selected sets of those tiles to a client when requested. Also provided are solutions for handling map labels and other such features in a tile-based mapping system, such as when a map label crosses map tile boundaries. Various processing environments (e.g., servers or other computing devices) can be employed in the system.

Methods and systems are presented for the automatic optimal placement text or symbol labels corresponding to graphical objects on maps. Using a map server and a thin, typically mobile client, maps are dynamically drawn and displayed at the client. Optimized labeling of map objects is achieved by dividing the task into pipelined subtasks, some being performed off-line, and others being performed in real time, responsively to changing client requests, and changes in the map viewport. Optimization of candidate label positions is accomplished using simulated annealing.

Methods and systems are presented for the automatic optimal placement text or symbol labels corresponding to graphical objects on maps. Using a map server and a thin, typically mobile client, maps are dynamically drawn and displayed at the client. Optimized labeling of map objects is achieved by dividing the task into pipelined subtasks, some being performed off-line, and others being performed in real time, responsively to changing client requests, and changes in the map viewport. Optimization of candidate label positions is accomplished using simulated annealing.

Apparatus and methods of generating a curved baseline for a map labeling include receiving a polyline P={p1,p2, . . . ,pn} of n points, generating a supporting polyline Q={q1,q2, . . . ,qm} (m≧n) of m points at an expected distance d between polyline P and a curved base line L. A predetermined number of B-Spline points is generated based upon supporting polyline Q. The B-Spline points are then connected to form a curved baseline L for displaying a label.

The invention provides a method and a system for processing drawing of map labels. The method comprises steps of acquiring first occupied ranges of every displayed labels of a current displaying map; acquiring labels to be displayed and calculating second occupied ranges of labels to be displayed; comparing second occupied ranges of labels to be displayed with first occupied ranges of every displayed labels; and drawing and displaying labels to be displayed if second occupied ranges of labels to be displayed and first occupied ranges of every displayed labels are not overlapped. The invention also provides a system for processing drawing of map labels. By the aid of the method and the system, the drawing speed of map labels can be accelerated, labels cannot be overlapped and the map operation is not affected.

The invention provides a map labeling method and a map labeling device, aiming at solving the problem that the existing map supports fewer interest points. The method comprises the steps of detecting the characteristic of a browser, and selecting a webpage label element according to the characteristic of the browser, wherein the webpage label element is capable of describing the pictures displayed in the browser by a script; when the webpage label element is a first element, drawing an icon by a first icon drawing template corresponding to the first element, wherein the Java Script is adopted by the first element; adding a node of the first element into a main node of a map page. Therefore, when the page is displayed by the browser, the pictures can be downloaded by the script based on the webpage label element, and rendering and rearranging can be further carried out. According to the method and the device, the HTML5 new characteristic is packaged into Java script map application program interface (API), so that more than 2000 interest points labeled by the API can be called, and the map operation is not greatly influenced.

The invention provides a map labeling method and system. The map labeling method comprises the following steps: a distributed calculating system obtains original map data; a task scheduling server performs grid segmentation on the original map data to obtain multiple grid map data and distribute the grid map data to multiple task executing servers; the task executing servers performs avoiding calculation on the grid map data and labels each element in the grid map data; the task executing servers distribute elements and corresponding labeling results to multiple task executing servers according to multiple labeling results sent by the task executing servers and ID of the elements; the task executing servers merge and de-weight the labeling results of the elements to obtain labeling results of the elements in an original map. By adopting the map labeling method and system, the data volume handling capacity and handling speed are greatly improved.

Disclosed are an edit method of a map and an edit device of a map. The map is loaded on a page. The edit method of the map comprises that a map labeling order is received and a label is added to a selected place on the page according to the map labeling order; information of the selected place is obtained; the information of the selected place is selected and / or edited according to an external operation and / or pre-stored information of a user so that the label of the selected place is produced; then the label of the selected place is added to the selected place on the page. According to the edit method of the map, the map can be labeled in a various modes instead of simple character labeling. In the embodiment of the edit method of the map and the edit device of the map, rich medias can be labeled, namely a film, sound, a picture, a word, a website and the like can be labeled according to different requirements of users.

The invention provides a road data compiling method. The method comprises the steps that point data and line data are preloaded to generate preprocessing positions of interest points and road name points which are labeled in a map; according to an area divided by roads and the preprocessing positions, interest points and road name points which are labeled in the area are obtained; calculation of importance is conducted on the road names according to attributes of the interest points around the roads and environmental attributes in the area, wherein the road name points form the road names; collision calculation is conducted according to the road name points, and overlapped road names are obtained; the overlapped road names are filtered according to the importance, and the road names labeled in the map are obtained. In addition, the invention further provides a road name data compiling device matched with the method and a map labeling method and device. By means of the road name data compiling method and the map labeling method and device, dynamic adjustment of road names themselves in road name labeling can be conducted, and the flexibility and maneuverability are improved.

The invention provides a method and a system for processing linear feature labeling data in an electronic mapping system. The method comprises the following steps: step S100, reading map labeling information data in an electronic map; and step S200, judging and detecting the map labeling information data and carrying out placement position processing on a labeling text according to a judgment result. The method and the system enable Chinese character labeling in the electronic map to be easily identified, give users a good using feeling and can meet the needs of users.

Apparatus and methods of generating a curved baseline for a map labeling include receiving a polyline P={p1,p2, . . . ,pn} of n points, generating a supporting polyline Q={q1,q2, . . . , qm} (m≧n) of m points at an expected distance d between polyline P and a curved base line L. A predetermined number of B-Spline points is generated based upon supporting polyline Q. The B-Spline points are then connected to form a curved baseline L for displaying a label.

The invention discloses a high-precision point cloud map creation system and method in a complex urban environment. The system mainly comprises an odometer module, a loopback detection module, a rear-end optimization module and a map generation module. According to the main idea of the method, the odometer module divides point cloud into ground point cloud and obstacle point cloud through semanticsegmentation, bidirectional correspondence is introduced into point cloud registration, and a robust objective function based on L1 norm is constructed; loopback is effectively detected by using a global feature and local feature two-stage matching method, the global feature is used for rapidly eliminating wrong loopback, and the local feature is used for accurately screening loopback; the rear-end optimization module constructs the robust objective function based on the L1 norm so as to overcome the situation that a loop and a GPS contain external points; and the map generation module processes the ground point cloud and the obstacle point cloud separately, so that the map labeling efficiency and the online positioning robustness are improved.

A system and method for generating a content based, custom labeled map is provided. A request for a map is received. The request includes a geographical area to be displayed in the map and a type of content item to be displayed in the map. A plurality of orientation points to display on the map is determined based on a ranking of locations in the geographical area, and one or more pieces of content to be associated with each orientation point is determined. Each orientation point is ranked based in part on ranks of the one or more pieces of content associated with each orientation point. A map is generated to display at the locations of the plurality of orientation points the pieces of content associated with each orientation point at a level of prominence that is based on the ranking of each orientation point.

Disclosed are an edit method of a map and an edit device of a map. The map is loaded on a page. The edit method of the map comprises that map interception order is received and interception of a selected place on the page is achieved according to the map interception order; the selected place on the map is intercepted as a map element; the map element is loaded on the page; a map labeling order is received and adding of a label to a selected place on the page is achieved according to the map labeling order; information of the selected place is obtained; the information of the selected place is selected and / or edited according to an external operation and / or pre-stored information of a user so that the label of the selected place is produced; then the label of the selected place is added to the selected place on the page. According to the edit method of the map, the map can be labeled in a various modes instead of simple character labeling.

The invention discloses a mass data aggregation display method based on a map. The method includes the specific steps that firstly, any one map is called to serve as a base map; secondly, a grid covering layer is added to the called map, wherein the number of grids in the grid covering layer is the number of data which needs to be displayed currently; thirdly, the data needing to be displayed is obtained from a server, the data is traversed so as to be compared with the longitude and latitude range contained in each grid, and the data in the same grid are aggregated, wherein the aggregating mode can be determined according to needs; fourthly, after the aggregated data which needs to be displayed on a current screen is obtained through the first three steps, all the data is positioned to the longitudes and latitudes of the grids corresponding to the data and rendered into the map, that is, the aim of data aggregation display is achieved. When the aggregation display method is used, the data with neighboring geographic positions is aggregated into one data point, and the data is obtained according to the longitude and latitude range of the current screen and displayed so as to achieve the aim that the map labeling data is displayed at a high speed.

The invention discloses a driving record implementing method and a mobile terminal. The mobile terminal comprises a camera for collecting driving video data, a processor for obtaining a driving record mode opening instruction, and a memory for storing a driving record file, wherein the driving record mode opening instruction is used for indicating opening of the camera; the camera is controlled to collect the driving video data based on the driving record mode opening instruction; vehicle geographical location information is obtained, and map labeling is performed based on the geographical location information; the driving record file is formed according to the driving video data and the geographical location information. With adopting of the driving record implementing method and the mobile terminal, the mobile terminal can be used for driving record.

The invention discloses a high-precision positioning and navigation system, which comprises a combined positioning unit, an intelligent ranging unit, a cloud communication unit and a vehicle-mounted display unit, wherein the combined positioning unit is used for realizing real-time positioning of the vehicle; the intelligent ranging unit is used for realizing calculation on the distance between the vehicle and a surrounding target; and the cloud communication unit is used for receiving data generated by the combined positioning unit and the intelligent ranging unit and uploading the data to a cloud service center, the cloud service center carries out map labeling on navigation positioning data, and the labeling information is issued to the vehicle-mounted display unit. The system of the invention is based on multi-parameter integrated processing, positioning data of the current dead zone can be effectively corrected and supplemented, errors of ultrahigh frequency microwave ranging can be effectively reduced, ranging types and the ranging range can be expanded, the ranging precision is improved, positioning reliability is high, and the maintenance cost is low.

The invention discloses a map labeling method and device, and belongs to the field of information processing. The method comprises: receiving a map and a to-be-labeled identifier, determining a targetrectangle in a to-be-labeled polygon area on the map, wherein the area of the target rectangle is in positive correlation with the area of a maximum inscribed rectangle of the polygon area; Determining the size of an identifier corresponding to the polygonal area according to the size of the target rectangle, and enabling the target rectangle to be a minimum bounding rectangle of the identifier;And displaying the map, and displaying the identifier in the polygonal area to be labeled on the map. According to the method, the target rectangle is used as the outer wrapping rectangle to mark theidentifier, it can be guaranteed that the size of the identifier marked and displayed in the polygonal area is matched with the area of the polygonal area, user identification is facilitated, and theflexibility and the marking effect of marking are effectively improved.

The invention is suitable for the technical field of service robot map construction, and relates to a semantic map construction method and device, a robot and a storage medium, and the method comprises the steps: receiving advancing instruction information sent by a user, and controlling the robot to advance according to the advancing instruction information; collecting an image of the target areato construct a space map; collecting, identifying and analyzing spatial semantic information of semantic objects in the target area; acquiring time information when the spatial semantic information is acquired, and determining a key frame closest to the time according to the time information; labeling the spatial semantic information to the spatial map according to the key frame; and detecting whether mapping ending information is received or not, forming a navigation map with semantics if so, and continuing to control the robot to advance if not, and collecting the image and spatial semanticinformation of the target area to continue to construct the spatial map. According to the invention, the problems of low efficiency and poor accuracy of traditional manual navigation map labeling canbe solved.

The invention provides a high-precision map labeling method and device, equipment and a storage medium. The method comprises: acquiring map data to be labeled; performing image segmentation processingon the to-be-labeled map data to obtain image segmentation data; inputting the image segmentation data into a pre-trained prediction model to obtain target labeling data corresponding to the image segmentation data; and according to the target labeling data, labeling the to-be-annotated map data to obtain labeled map data. The working efficiency is effectively improved.

Coding the map marker with simple coding, strong fault freedom coding base, it can make users easily find, or locate the electronic map through inquiring the coding base to find the map mark and then to get the electronic map through map marking.

A map labeling system trains a machine-learned model using a set of training data and generates a set of test predictions for a set of test properties by applying the machine-learned model to a set of testing data. Each prediction in the set of test predictions comprises a confidence score representing the machine-learned model's confidence in the prediction. The map labeling system determines a correctness of each prediction in the set of predictions and determines a relationship between the confidence scores and the correctness of the test predictions. The map labeling system establishes a confidence threshold for the machine-learned model based on the determined relationship and labels a production property by applying the machine-learned model to production data.

The invention provides a map labeling method, device, cloud end server, terminal and application program. The map labeling method includes receiving map labeling related data and mapping related datafrom the terminal, wherein the map labeling related data and the mapping related data are collected in one geographic position by the terminal and are corresponding to each other; performing mapping according to the mapping related data and determining the geographic position according to the mapping result; determining map labeling information according to the map labeling related data; labelingthe map labeling information on the geographc position in the mapping result. By adopting the technical scheme provided by the invention, synchronous proceeding of mapping and map labeling can be realized through processing of the map labeling related data and mapping related data, and map labeling efficiency can be improved effectively.

The invention relates to the technical field of map navigation, and provides a map labeling and identification method capable of quickly generating panoramic navigation. Map labeling and identification equipment capable of quickly generating panoramic navigation comprises a base, wherein a pedal is movably connected to the right end of the base; a push rod I is fixedly connected to the bottom of the pedal, a piston I is fixedly connected to the bottom of the push rod I, and a hydraulic pipe is movably connected to the outer wall of the piston I; and a piston II is movably connected to the inner wall of the left end of the hydraulic pipe, a push rod II is movably connected to the left end of the piston II, a rack plate is fixedly connected to the left end of the push rod II, a gear is movably connected to the front face of the rack plate, and a rotating shaft is fixedly connected to the inner wall of the gear. According to the map labeling and identification method capable of quickly generating panoramic navigation, the pedal presses the piston I, the piston I drives the piston II, the piston II pushes the rack plate, the rack plate drives the gear to rotate, the gear drives a threaded sleeve, and the threaded sleeve drives a threaded column to move, so that the height is automatically adjusted; and a movable rod II rotates to drive a connecting block to rotate, the connecting block drives a movable rod I to move, and the movable rod I moves in a sliding groove and is matched with a clamping block to adjust the angle.

The invention is applicable to the field of computers, and provides a display method, device, terminal, and readable storage medium for map labeling information. The method comprises the steps that according to a user's viewing request of the map labeling information, a map labeling information cache region is determined, and the map labeling information cache region comprises at least one map labeling information cache region block; when it is determined that the map labeling information corresponding to the map labeling information cache region block has a cache in the terminal, the cached map labeling information is displayed to the user; when it is determined that the map labeling information corresponding to the map labeling information cache region block does not have the cache, themap labeling information corresponding to the map labeling information cache region block is obtained and displayed to the user; the search and storage of target location information are achieved, sothat when the user uses an electronic map function to search for and store the target location information, it is reduced that the intelligent terminal acquires unnecessary cache data, the operation load of the intelligent terminal is reduced, and the smoothness of the operation of the intelligent terminal is improved.

The invention discloses a high-precision map labeling method, a device thereof and equipment, a readable storage medium and a product, and relates to automatic driving, intelligent transportation and man-machine interaction in artificial intelligence. The method comprises the following steps: obtaining a map labeling instruction sent by terminal equipment, wherein the map labeling instruction comprises an identifier of a to-be-labeled map area; according to the map labeling instruction, determining an unlabeled area in a to-be-labeled map area corresponding to the identifier of the to-be-labeled map area; determining terrain grid information and height field information corresponding to the unmarked area; and according to the terrain grid information and the height field information, carrying out labeling operation on the unlabeled area to obtain a labeled target map area. Therefore, automatic labeling operation of the to-be-labeled map area can be realized, manual labeling by technicians is not needed, the map labeling precision is improved, and the map labeling efficiency is improved.

The embodiment of the invention provides a map labeling method and device, electronic equipment and a storage medium. The method comprises the steps of obtaining pixel coordinates of a contact in a target map container; calculating actual latitude and longitude coordinates of the contact in a target map according to the pixel coordinates; and based on the actual latitude and longitude coordinates, selecting a preset identifier to render the contact. According to the invention, the pixel coordinates of the contact in the target map container can be determined, the pixel coordinates are converted into the actual latitude and longitude coordinates, and the contact is rendered based on the actual latitude and longitude coordinates and the preset identifier, so that the target marker can be rendered on the target map, and the user can conveniently mark the target mark object which needs to be marked on the target map according to own requirements. In addition, the labeling effect of labeling the target labeling object on the target map is improved.

The invention provides a high-precision map labeling method and device, equipment and a storage medium, and relates to the technical field of image processing, in particular to the technical fields of intelligent transportation, automatic driving, computer vision and the like. According to the specific implementation scheme, a to-be-labeled map is recognized, and feature information of a target object contained in the to-be-labeled map is obtained; based on the feature information of the target object, determining a vector graph corresponding to the target object; and marking the to-be-marked map by using the vector graph of the target object.

The invention discloses a high-precision topographic map stereoscopic model and a manufacturing method thereof. The topographic map stereoscopic model comprises a chassis, a topographic map assembly and a transparent protection cover; and the topographic map assembly is composed of a surface coating and a plurality of flexible plastic map layer plates for representing topography contour planes respectively. The manufacturing method of the high-precision topographic map stereoscopic model includes the steps that the flexible plastic map layer plates are cut out and fixed to the chassis; map labeling information is marked; suspension lines are fixed to the chassis; the chassis is dried and coated with coating agents to obtain a surface coating; and the transparent protection cover is fixedly installed on the chassis. The high-precision topographic map stereoscopic model and the manufacturing method of the high-precision topographic map stereoscopic model have the beneficial effects that a mold is not needed; the production cost is low; the production period is short; the accuracy of the model is high; and the application range is wide.