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22 results about "Point localisation" patented technology

Gimbal control function interactive graphical user interface for electronic devices

1. The name of the design product: cloud control function interaction graphical user interface for electronic devices. 2. The use of the design product: for electronic devices. 3. The design points of the design product: the interface interaction mode and content of the graphical user interface in the screen. 4. The picture or photo that best indicates the design points: design 1 front view. 5. Design 1 is designated as the basic design. 6. The use of the graphical user interface: for building on electronic devices with screens to display information and human-computer interaction interfaces. Design 1 front view is the initial graphical user interface of the cloud control function, users can zoom and move the picture in any direction on this interface, slide the circular cloud control focus on the left side of design 1 front view to the right, enter the graphical user interface as shown in design 1 interface change state diagram 1, the interface shows the effect of the picture moving left as a whole; Design 2 front view is the initial graphical user interface of the cloud control function, users can zoom and move the picture in any direction on this interface, slide the circular cloud control focus on the left side of design 2 front view upwards, enter the graphical user interface as shown in design 2 interface change state diagram 1, the interface shows the effect of the picture moving downwards as a whole; Design 3 front view is the initial graphical user interface of the cloud control function, users can zoom and move the picture in any direction on this interface, slide the circular cloud control focus on the left side of design 3 front view to the left and downwards, enter the graphical user interface as shown in design 3 interface change state diagram 1, the interface shows the effect of the picture moving to the right and upwards as a whole; Design 4 front view is the initial graphical user interface of the cloud control function, users can zoom and move the picture in any direction on this interface, click "+" above "Zoom" on the right side of the interface, enter the graphical user interface as shown in design 4 interface change state diagram 1, the interface shows the effect of the picture zooming in as a whole, click "P+" in the upper right corner of the interface, users can add positioning to the adjusted picture according to their needs to save the real-time position of the picture, such as entering the graphical user interface as shown in design 4 interface change state diagram 2, "P1" positioning point is added in the upper right corner, after further adjusting the picture, click "P1" positioning point to return to the graphical user interface as shown in design 4 interface change state diagram 2, click the circular positioning button in the upper left corner of the interface, return to the initial graphical user interface in design 4 front view.
Owner:HANGZHOU XINGXI TECH CO LTD

A method and system for extracting structured data from credentials

This invention provides a method and system for extracting structured data from certificates and licenses, applied in the field of data processing technology. This application determines the layout by using the first 5 characters of the first line in the machine-readable area and features of the visually readable area. It dynamically records any unconfigured new layouts, generates new layout configurations and annotations, completes the extraction of structured data for the new layout, and updates the training dataset in real time. A three-level positioning algorithm fusion strategy is employed, using machine-readable area information as a reference to calculate the consistency score of surname and given name groups, the accuracy score of date data, the proportion of structured data acquisition, and the positioning point deviation value. A preset priority ranking is used, and Hough transform and SIFT feature matching are applied to process image deviations, generating a comprehensive positioning processing result. Using verified accurate data from the machine-readable and visually readable areas as a reference, abnormal certificate data is automatically corrected and completed to generate data to be detected. Based on a target dual-channel OCR model, the data to be detected is processed to generate target certificate and license structured data.
Owner:BEIJING NJA INFORMATION TECH CO LTD

Device and method for transmitting multipoint GNSS (Global Navigation Satellite System) positioning signals in indoor distribution system

InactiveCN121899865ASatellite radio beaconingMultilaterationTesting Methods
The invention discloses a device and method for transmitting multi-point GNSS positioning signals in an indoor distribution system, and relates to the technical field of indoor distribution systems and satellite positioning, the device is adaptive to the tree topology indoor distribution system, and comprises a GNSS signal simulation unit, a frequency generation unit, a combination transmission unit, a terminal processing unit and a positioning broadcast unit; the simulation unit generates GNSS positioning signals GPn of different virtual positioning points through at least two simulators, the frequency generation unit generates local oscillation signals LIN through frequency generators in one-to-one correspondence and performs frequency conversion with the GPn, and the combination transmission unit combines the frequency conversion GNSS signals and the LIN and then broadcasts the frequency conversion GNSS signals and the LIN in a unified manner through POI and indoor distribution feeder lines. The tail end processing unit screens matched signals through a conditioning circuit and recovers GNSS navigation signals of correct frequency points, and the positioning broadcasting unit broadcasts the navigation signals through a newly-added antenna. On the basis of the device, multi-point GNSS positioning signal transmission and broadcasting under the feeder non-power-supply condition are achieved, the problem that a traditional indoor distribution system is difficult to integrate the positioning function is solved, and indoor precise positioning is achieved.
Owner:CHENGDU WULANG TECH CO LTD

Object identifier image, decoding method and electronic equipment

The invention discloses an object identifier image, a decoding method and electronic equipment, in each code point area, m columns and n rows of code point units are arranged, each code point unit is provided with a data point, each code point area is provided with a plurality of positioning points, the size of the positioning points is different from that of the data points, m and n are positive integers greater than or equal to 4, and n is a positive integer greater than or equal to 4. According to the method, the m columns and n rows of code point units are arranged in each code point area, each code point unit is provided with one data point, and the multiple positioning points are arranged in each code point area, so that the information density is higher, the sizes of the positioning points are different from the sizes of the data points, the positioning points can be recognized more quickly, and the positioning accuracy is improved. In the subsequent decoding, each code point area is segmented more accurately, and accurate image correction is realized, so that the decoding efficiency and accuracy are improved.
Owner:FUJIAN HUIJIETONG TECH CO LTD +1

Multi-robot positioning mapping method and system based on degradation compensation, terminal and storage medium

The invention relates to the technical field of map data, and discloses a degradation compensation-based multi-robot positioning mapping method and system, a terminal and a storage medium, and the method comprises the steps: carrying out the feature extraction of a tunnel environment through employing a main robot and a beacon robot through employing a leapfrog strategy, and if the feature collected by the main robot is judged to have a degradation condition, carrying out the positioning mapping of the main robot; and if not, performing fusion processing by using the highly locatable points acquired by the beacon robot to restrain error accumulation of the main robot so as to optimize the degraded tunnel map. According to the method, the positioning accuracy of the longitudinal translation dimension of the tunnel is improved, decimeter-level accurate positioning is realized, and the mapping robustness and the accuracy of the generated image are improved.
Owner:GUANGDONG LAB OF ARTIFICIAL INTELLIGENCE & DIGITAL ECONOMY (SZ)

Viewing a driver real-time location graphical user interface for an electronic device

1. The name of the design product: electronic device driver real-time location viewing graphical user interface. 2. The use of the design product: for an electronic device. 3. The design features of the design product: the interface content and layout of the graphical user interface. 4. The picture or photo that best indicates the design features: front view. 5. The use of the graphical user interface: the interface is an interactive interface for viewing the real-time location of drivers based on the team leader. The team leader can visually see the driver information by clicking on the positioning point on the map, and can strengthen the control of the drivers who have been in an idle state for a long time according to the distribution of the driver state. The front view is the main interface for viewing the real-time location of drivers based on the team leader. After clicking on the "positioning point" of the front view, the interface changes to the state diagram. 6. Other circumstances that need to be explained: the map is only for display purposes and is not within the scope of protection.
Owner:SHOUYUE TECH BEIJING CO LTD

Six-point positioning coordinate system establishing method

The invention discloses a method for establishing a six-point positioning coordinate system. The method comprises the steps of performing data preprocessing to obtain a scanning data grid model and a design data grid model; performing rough matching to obtain a scanning data grid model subjected to rough matching; performing fine matching to obtain six fine matching points and a scanning data grid model subjected to fine matching, wherein algorithm errors between the six fine matching points and the six positioning points specified on the design data grid model reach a convergence standard on the scanning data grid model subjected to rough matching; performing six-point iterative correction to obtain a final transformation matrix on the scanning data grid model subjected to fine matching, wherein the distance error between the final transformation matrix and the six positioning points reaches a convergence standard; and applying the final transformation matrix to the scanning data grid model to obtain a scanning data grid model subjected to six-point iteration correction, thereby obtaining a six-point positioning coordinate system of the scanning data grid model.
Owner:AECC COMML AIRCRAFT ENGINE CO LTD

Point cloud sequence data processing method and device, computer device and storage medium

The application relates to a point cloud sequence data processing method and device, computer equipment and a storage medium. The method comprises the following steps: acquiring point cloud sequence data of an area where a moving object is located in a target scene, locating obstacle points of each frame of point cloud sequence in the point cloud sequence data, projecting the obstacle points of each frame of point cloud sequence to obtain occupancy grid map sequence data, each occupancy grid map carrying a time parameter and position information of the moving object when the occupancy grid map is constructed, correcting the occupancy grid map at the current time based on the time parameter and the position information of the moving object, and determining the motion obstacle points of the occupancy grid map at the current time and the motion information of the motion obstacle points. According to the scheme, multi-frame point cloud data is processed, and an accurate occupancy grid map at the current time can be obtained, so that the accuracy of the drivable area detection is improved.
Owner:HUNAN UNIV

Multipoint state monitoring device for contact line of electrified railway

The invention discloses an electrified railway contact line multi-point state monitoring device, and relates to the technical field of pantograph-catenary systems, the electrified railway contact line multi-point state monitoring device comprises a monitoring group, the monitoring group comprises an area-array camera, a data acquisition instrument and a local upper computer, the area-array camera is arranged towards a positioning point and a dropper point of a contact line, and the data acquisition instrument is connected with the local upper computer; the horizontal height of the area-array camera is higher than or lower than that of the contact line, and the area-array camera is electrically connected with a local upper computer through a data acquisition instrument; according to the invention, the area-array camera can be used for synchronously monitoring the positioning point and the dropper point to obtain the dynamic characteristics of the multi-point position, so that the monitoring effect is improved, and meanwhile, the area-array camera does not need to be arranged on the pantograph, can be arranged on one side of the contact line, is not restricted by vehicle movement and plans, can be used for monitoring in real time, and improves the application range.
Owner:CHINA ACADEMY OF RAILWAY SCI CORP LTD +1

Three-dimensional panoramic super-resolution positioning data splicing method, device, equipment and medium

The application discloses a three-dimensional panoramic super-resolution positioning data splicing method and device, equipment and medium, relates to the technical field of image processing, the positioning point of three-dimensional panoramic image is layered, the layered positioning point is aggregated based on the optimal neighborhood range, the spatial geometric structure is determined, the multi-head self-attention module is used for feature aggregation and semantic information propagation of the spatial geometric structure, the attention weight is calculated, the local spatial geometric feature is adaptively reweighted and iteratively updated, the local spatial geometric feature and the updated feature are fused, and the semantic feature is obtained; the first semantic feature is matched in geometric structure and semantic feature, the matching confidence between the first semantic features is calculated, and the second semantic feature is screened; the spatial offset is calculated by using the weighted centroid, so that the target positioning point is spliced, the splicing misplacement problem caused by the density heterogeneity of the splicing joint positioning data is solved, and the accuracy and efficiency of the three-dimensional panoramic super-resolution positioning data splicing are improved.
Owner:HAINAN UNIV

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

Indoor positioning method, system and device and storage medium

The invention provides an indoor positioning method, which belongs to the technical field of wireless positioning, and comprises the following steps: collecting position fingerprint data of each reference point, and constructing an offline position fingerprint database; collecting real-time position fingerprint data of the to-be-positioned point; calculating a fingerprint similarity difference based on the real-time position fingerprint data of the to-be-positioned point and an offline position fingerprint database; according to the fingerprint similarity difference and a preset difference threshold value, determining a target K value through an adaptive weighted K-nearest neighbor algorithm; transforming the distance corresponding to the fingerprint similarity difference based on a soft range limitation algorithm to obtain a transformed distance; according to the target K value and the transformed distance, K reference points are selected from the offline position fingerprint database, and the position of the to-be-positioned point is obtained through calculation. Compared with the prior art, the method has the advantages that the traditional KNN algorithm is replaced by the adaptive weighted K-nearest neighbor algorithm and the soft range limitation algorithm, and the indoor positioning precision in a complex scene is improved. The system has the same beneficial effects.
Owner:HNAC TECH

Control method, control device, assembly system and electronic equipment

The invention provides a control method, a control device, an assembling system and electronic equipment, relates to the technical field of computer vision, and aims to solve the problem of poor positioning precision and efficiency. The control method comprises the following steps: acquiring current spatial pose information of a preset surface of a target object through a first type of camera; according to the current space pose information and the reference information of the preset surface of the target object, driving the target object to move in any direction, so that the preset surface is located on a reference surface indicated by the reference information; under the condition that the preset surface is located on the reference surface, obtaining an image of the preset surface through a second-class camera; the image comprises a positioning point; determining position information of a positioning point on the preset surface in the image; and according to the position information of the positioning point in the image, driving the target object to move in the direction parallel to the reference surface and / or vertical to the reference surface, so that the positioning point is located at a preset position.
Owner:HANGZHOU HIKROBOT TECH CO LTD

A method for acquiring six-point clamping jaw fixing points of a general rigid plate

ActiveCN119388439BRealize automatic processingOptimize calculation methodGraphicsAlgorithm
The present application relates to the technical field of industrial automation plate positioning, and specifically relates to a method for acquiring a six-point clamping jaw fixing point of a general rigid plate, which comprises the following steps: (1) configuring a file and importing a standard DXF file containing a graph, analyzing and acquiring a processing graph; determining whether the processing graph is connected at the beginning and the end and closed; if yes, the next step is entered; (2) determining whether the processing graph is legal; if yes, a limiting position is drawn, and a calculation auxiliary line is generated for user dragging; (3) segmenting the legal processing graph, and acquiring graph data after segmentation; after the graph data after segmentation is offset and expanded outward according to the radius of a positioning clamp or a positioning wheel, a round corner compensation is performed, a moving path of the positioning clamp or the positioning wheel is obtained, an auxiliary line that can be moved by a user is generated, and a positioning point is determined. The method can realize high-precision, simple operation, strong universality and intuitive calculation process of plate positioning for supporting complex special-shaped plates.
Owner:WUXI XINJIE ELECTRICAL

Electronic device assisted positioning graphical user interface

1. The name of the design product: graphical user interface for electronic device auxiliary positioning. 2. The use of the design product: an electronic device. 3. The design points of the design product: in the graphical user interface. 4. The picture or photo that best indicates the design points: interface change state diagram 2. 5. The use of the graphical user interface: for smart device auxiliary positioning operation on cleaning device. 6. The human-computer interaction mode of the graphical user interface: the main view is the interface that displays the cleaning map auxiliary dotting state, the user touches the "auxiliary dotting" button of the main view, the interface jumps to the type operation list interface of interface change state diagram 1 auxiliary dotting, the user touches the "positioning point" button in interface change state diagram 1, the cleaning device judges the positioning accuracy, the interface jumps to the operation instruction interface of interface change state diagram 2 reflective sticker auxiliary positioning, the user operates according to the operation instruction, touches the "start marking" button of interface change state diagram 2, the interface jumps to the "marking success" interface of interface change state diagram 3, and the interface displays the position and state of the current positioning point marking. 7. Other circumstances that need to be explained: the schematic map in each view belongs to the content picture and will change with different use areas.
Owner:ECOVACS HOME SERVICE ROBOTICS CO LTD

Positioning method and device, electronic equipment, storage medium and computer program product

The invention relates to a positioning method and device, electronic equipment, a storage medium and a computer program product. The method comprises the following steps: acquiring information of a plurality of track points of movement of the terminal equipment, and determining part of the track points as first positioning points; in response to the first instruction, determining and displaying a reference motion track according to the plurality of first positioning points; the reference motion trail comprises a reference motion direction. And acquiring a track point of the terminal device along the reference motion direction as a second positioning point. And determining and displaying the current movement track state according to the position relationship between the reference movement track and the second positioning point. In this way, the number of the screened first positioning points is small, the calculation amount of the reference movement track is reduced, and the sensitivity and accuracy of judging whether the current movement track is yawed or not based on the reference movement track can be improved.
Owner:BEIJING XIAOMI MOBILE SOFTWARE CO LTD

A mobile terminal positioning and deviation rectification method based on space-time constraint and orientation perception

The application provides a mobile terminal positioning and deviation rectification method based on space-time constraints and orientation perception, and belongs to the technical field of mobile terminal positioning. The method comprises the following steps: firstly, a scenic area road network graph is constructed based on target area electronic map data; secondly, Bluetooth anchor point signal data and a mobile terminal continuous time sequence original positioning point sequence are obtained, and the direction sensor is used to obtain the travel direction corresponding to each original positioning point; then, an initial candidate road section is determined for each original positioning point, the effective candidate road section is screened through direction consistency and Bluetooth area constraints, and the spatial matching probability is calculated based on a graph neural network model; then, a time sequence feature sequence is input into a time sequence neural network model to obtain a time sequence consistency score; finally, the target road section is determined by fusing the scores, the original positioning point is rectified to the target road section based on the geometric information of the target road section, and the rectified position is obtained. The application improves the accuracy and stability of positioning and deviation rectification in a scenic area.
Owner:ZHEJIANG HUAYANG DIGITAL INFORMATION TECH CO LTD +1

Continuous correction method for navigation map

A continuous correction method of a navigation map comprises the following steps: S1, positioning a lost or unreliable point location on a robot, collecting the point cloud as a key frame, and recording the pose of the key frame in a global map coordinate system; s2, establishing a spatial index of the key frame; s3, when the robot runs to an adjacent area of the key frame, triggering a repositioning process, and retrieving to obtain a point cloud and related data of a target key frame; s4, registering the current point cloud of the robot with the point cloud of the target key frame to obtain relative transformation from the current frame to the key frame coordinate system, and calculating the corrected global pose of the robot; s5, calculating a matching quality score of registration; and S6, fusing and updating the filtered point cloud into the navigation map. According to the method, repositioning and pose correction can be triggered at the easily lost positioning point, temporary shielding / dynamic obstacle points can be automatically removed, and the navigation map can be continuously updated, so that the long-term operation stability is improved.
Owner:CHANGSHA WANWEI ROBOT CO LTD

3D camera control method and related device

The invention discloses a 3D camera control method and a related device, and relates to the technical field of computer graphics, in response to an interactive operation on a 3D camera visualization indicator assembly, 3D camera rotation data corresponding to the interactive operation is determined, the indicator assembly is a 3D visualization cube, each cube surface represents a standard visual angle direction, and the 3D camera rotation data corresponds to the interactive operation. According to the method, a display form of a 3D visual cube is adopted, a visual visual effect is provided for a user, the rotation data of the 3D camera are sent to the 3D engine through the preset data interface under the message callback mechanism, the 3D engine determines the pose adjustment amount of the 3D camera based on the rotation data of the 3D camera, and the pose adjustment amount of the 3D camera is adjusted. And adjusting the 3D camera to the target angle. According to the method and the device, abundant space positioning points are provided in a visual 3D visual cube form, and a user can operate the 3D camera to reach the target angle only by clicking on the 3D visual cube, so that the interaction efficiency of camera control is greatly improved.
Owner:BEIJING GLOBAL CROWN JINYANG TECH DEV CO LTD

A classification method for pre-positioned character recognition

The application discloses a classification method for pre-positioned character recognition, and belongs to the technical field of picture information recognition. The classification method can more clearly and accurately analyze and determine the category of a picture to be recognized by simultaneously considering the content of a field and the position of each field. Especially when two kinds of certificates have great similarity, the method can significantly reduce the risk of classification division error. In addition, the application takes the field on a template and a picture to be recognized as a positioning point, and introduces the intersection-over-union to calculate the position corresponding scheme which is most beneficial to the overall matching effect of the target picture to be recognized and the alternative recognition template, so as to as far as possible reduce the influence of low quality of the target picture to be recognized, and improve the accuracy and reliability of the calculation result.
Owner:HUNAN SANXIANG BANK CO LTD

Guidewire display method, device, apparatus, medium, and program product

This application discloses a method, apparatus, device, medium, and program product for displaying guide lines, belonging to the field of navigation maps. The method includes: acquiring a first guide line generated at time i and a second guide line generated at time i+1; if the first and second guide lines belong to different lanes, pairing the positioning points on the first and / or second guide lines to obtain k matching point pairs; generating a transition guide line by concatenating the k intermediate points of the k matching point pairs, the transition guide line being used to transition the first guide line displayed at time i+1 to the second guide line displayed at time i+2; and displaying the transition guide line between time i+1 and time i+2. This method smoothly displays the change process of the guide line from time i+1 to time i+2, improving the display detail and animation smoothness of the guide line animation.
Owner:TENCENT TECHNOLOGY (SHENZHEN) CO LTD

A diversion building three-dimensional design method, device and equipment based on a 3DE platform

PendingCN122389242A3d designUser input
This invention relates to the field of 3D design technology, specifically to a 3D design method, apparatus, and equipment for diversion buildings based on a 3DE platform. According to the diversion project type selected by the user, the corresponding user-defined feature template is called from a pre-built parametric template library. Based on the imported CAD axis, a 3D alignment axis is generated in the 3DE platform. The 3D alignment axis, along with the user-input starting station number, creates multiple positioning points with station number information on the 3D alignment axis. These positioning points serve as spatial anchor points for template instantiation. Based on the 3D alignment axis and the created positioning points, the called user-defined feature template is instantiated into the corresponding positioning point interval on the 3D alignment axis, generating a 3D model instance with structured naming. This ensures that the 3D model construction process is consistent with the engineering segmentation logic of the diversion building, reducing the operational steps and human judgment involved in the model construction process.
Owner:CHINA HYDROELECTRIC ENGINEERING CONSULTING GROUP CHENGDU RESEARCH HYDROELECTRIC INVESTIGATION DESIGN AND INSTITUTE