479 results about "Planar graph" patented technology

The invention provides a VR (Virtual Reality) panoramic video layout method, device and system. The method comprises the following steps: projecting a VR panoramic spherical video onto a pyramid surface which takes a sphere as an inscribed sphere; expanding the pyramid surface into a planar graph to obtain a video plane of pyramid projection; and turning the video plane to a regular shape through deformation to obtain a regular video plane. The VR panoramic video layout system comprises a VR panoramic video layout processing device, a VR panoramic video streaming media server and a VR panoramic video player, wherein the VR panoramic video player is used for playing video data from the VR panoramic video streaming media server according to a viewing angle of a user. Through adoption of the VR panoramic video layout method, device and system provided by the invention, a pyramid-based projection way is provided. In the pyramid-based projection way, the surface area of a projected video is reduced by 80 percent compared with an equirectangular projection way; the bandwidth of VR panoramic video transmission is reduced by 80 percent compared with an existing VR video technology; and a panoramic video can be played according to the viewing angle of the user.

The invention discloses a home simulation design system.The system comprises a home housing type simulation design subsystem, a home decoration simulation design subsystem, a home simulation display subsystem and a two-dimensional code generation subsystem, wherein the home housing type simulation design subsystem conducts simulation design on a home housing type to obtain a three-dimensional home housing type model; the home decoration simulation design subsystem is used for simulation design of internal decoration of the three-dimensional home housing type model to obtain a home decoration model; the three-dimensional home housing type model and the home decoration model are displayed through two-dimensional planar graph, three-dimensional navigating, three-dimensional video cartoon and/or panoramic images; the two-dimensional code generation subsystem generates a two-dimensional code with a network address through display modes.By means of the system, a client can easily and conveniently make home design requests and finish design through a computer network, home housing type decoration effects can be displayed in a three-dimensional mode, and scene experience is achieved.A simple home simulation design means easy to use is provided for the client, design precision is high, simulation scenes are vivid, and the system conforms to the tendency of personalization, networking and convenience of house simulation design.

The invention discloses an information management method and system based on an electromechanical integrated BIM (building information model). According to the method, a comprehensive deepening graph is modeled by utilizing three-dimensional graphics software so as to generate three-dimensional models, and the generated three-dimensional models are exported as VRP (virtue reality platform) model data to constitute basic model data; the VRP model data is directly imported into a VRP editor, parameters and positions of corresponding parts and components in the model, structural information of applicable places, electromechanical comprehensive deepening planar graphs and correspondence documents during deepening process are input, and links with corresponding three-dimensional models are established; the three-dimensional models are displayed via a man-machine interaction device, and information or documents in a database is displayed in a switched manner according to the links; and meanwhile, the parameters of the parts and components, and the positions of scenes of real-time pictures are checked through a navigator. The invention further provides an information management system based on the electromechanical integrated BIM, which can be applied to an overall project implementation phase by various construction design units, and has the characteristics of interactivity, visualization, informatization, parameterization, flexibility and confidentiality.

The invention provides a method for building a layer velocity model of a stratum. The method comprises the following steps of: acquiring earthquake-related data of a work area; generating a layer velocity field by utilizing the earthquake-related data and drilling data of the work area; carrying out velocity iteration processing on the layer velocity field by using a reflection tomography method to generate an optimized layer velocity field; extracting a layer velocity planar graph of each stratum from the optimized layer velocity field; correcting the extracted layer velocity planar graph of each stratum by utilizing the drilling data; generating a layer velocity field based on the corrected layer velocity planar graph; and carrying out the velocity iteration processing step on the generated layer velocity field by using the reflection tomography method when the correcting value exceeds a preset range.

The invention discloses an indoor parking space positioning method based on an APP and GPS inertial guidance. The APP is associated with a parking space management system, and users can check parking space information of a garage, locate a parking space and carry out route guidance through the APP. The method comprises the following steps: a garage information management system is built; the APP is started, the current location of a user is positioned by GPS, and eligible garages are queried; after the user chooses a desired garage, the APP automatically books an optimal parking space of the garage and starts route guidance; a first sub step of route guidance is performed, namely, outdoor navigation; and a second sub step of route guidance is performed, namely, the APP carries out indoor route guidance by using an indoor positioning approach based on inertial navigation and a coordinate WIFI base station and according to the planar graph of the garage. By using the method, parking space information of a garage can be queried in real time and parking route guidance can be carried out through the APP. The method is convenient to use, simple, reliable, and easy to implement and promote.

The invention belongs to the field of computer vision and image processing, and provides a rapid non-local super-resolution rebuilding method based on a minimum spanning tree (MST). Time complexity of an algorithm is reduced, meanwhile the quality of a rebuilding result is maintained, and a good balance between the time complexity and the quality is achieved. According to the technical scheme, the rapid non-local super-resolution rebuilding method based on the MST comprises the following steps: (1) obtaining an initial low-resolution depth image required to be rebuilt, then carrying out further simple pre-processing on the initial depth image, (2) obtaining a standard 4-connected planar graph, (3) obtaining the MST corresponding to an undirected connected graph in the step (2), and (4) rebuilding the coarse depth image after pre-processed according to the MST. The non-local super-resolution rebuilding method based on the MST is mainly applied in image processing.

The invention provides a combined positioning method based on inertial navigation, wi-fi or bluetooth signal fingerprints and an indoor electronic map, and can be widely applied in indoor positioning and seamless combination of indoor and outdoor positioning. The combined positioning method is characterized by comprising the steps: 1) coarse positioning is performed via the wifi or bluetooth network, then through an inertial navigation system of an intelligent terminal and with combination of the map, a precise position of a customer is obtained, and a walking track of the customer is real-timely and continuously obtained; 2) based on formation and use of the electronic map of an indoor planar graph, an indoor electronic map labeling method is included; 3) a particle filtering algorithm combining the several factors together includes detection of a moving state, detection and adjustment of the step length, the step direction and the step frequency, adaption for the electronic map and the wifi (bluetooth) signal fingerprints and the like; 4) based on a map matching algorithm, a correct and accurate walking path is guaranteed; and 5) the terminals not only include intelligent mobile phones and panel personal computers and also include intelligent wearable devices.

The invention discloses a CAD platform-based indoor coverage designing method, which belongs to the technical field of wireless network communication indoor distribution in the communication industry. The method mainly comprises the steps of: 1) data preprocessing, 2) planar graph drawing, 3) system map drawing and 4) data processing and statistical output. The method has the characteristics of bringing great convenience to the system design of an indoor coverage network, improving the scheme designing work efficiency and accuracy of research staff, finishing the automatic design of an indoor distributed system, realizing a scheme for auditing the standard and high efficiency of operators, and bringing great convenience to later data management and later engineering maintenance.

The invention discloses a method of importing a CAD (computer-aided design) graph and attribute data into a GIS (Geographic information system). The method comprises the following steps: I, importing a mining engineering planar graph: 101, storing in different layers, 102, naming the layers, and 103, importing the mining engineering planar graph to the GIS system; II, importing attribute data: before importing the attribute data, storing the attribute data of the mining engineering planar graph in a data sheet form and generating an attribute data sheet, wherein the attribute data through the following importing processes: 201, recognizing the attribute data, and 202, importing the attribute data to the GIS system; and III, synchronously displaying the attribute data and the Auto CAD graph. The method provided by the invention is rational in design, simple in importing step, good in use effect and high in practical value, and can be used for effectively solving the problems that the existing mining engineering planar graph cannot correlate with the attribute data in the graph after being imported to the GIS system, the operation step is complex, third-party software is utilized, and the use effect is bad.

The invention discloses a real-time automatic 3D modeling method based on photographing. The method comprises the following steps: S1) fixing a mobile device and a camera on the same photographing bracket; s2) acquiring images of a plurality of cameras or mobile equipment in the process of moving the bracket, acquiring the position and orientation of each shooting point, and forming a route map using a unified coordinate system; s3) performing 3D modeling on the camera picture of each shooting point on the mobile device in real time; s4) uniformly placing the 3D model of each shooting point inthe same three-dimensional coordinate system according to the position and orientation obtained in the S2), and splicing the joint parts of the 3D models of the plurality of shooting points to form an overall 3D model containing the plurality of shooting points; and S5) automatically generating a panoramic roaming effect on the mobile device. According to the method, various shooting devices canbe supported, the relative position of each shooting point and the lens orientation of the camera can be automatically and accurately recorded, and a 3D model and a 2D planar graph which can roam inside can be automatically generated.

The invention discloses a manufacturing method of neodymium iron boron based on a three-dimensional (3D) printing technology. Three-dimensional model modeling is conducted on a product through a computer, three-dimensional model modeling data are transmitted to a 3D printer, a plurality of continuous layered planar graphs are generated by utilizing the computer aided engineering (CAE) technology, a nozzle of the 3D printer is controlled to fill powder according to the planar graphs, and the powder is accumulated layer by layer and is magnetized until the product is formed. A large amount of mold development cost is saved, production phase is shortened, and production efficiency is improved greatly. The size of the manufactured product can be changed arbitrarily, the method is suitable for heterotypic products which are large in machining difficulty, the thickness of the product can be smaller than 1mm, the product can be assembled and used conveniently by a client, and the requirements that a micro motor develops towards the directions of being small in size, ultrathin, high in speed, high in precision and low in noise are satisfied.

The invention discloses an indoor positioning method based on wireless sensor networks of fingerprint data. According to the method, M anchor nodes are allocated in each room of a two-dimensional indoor planar graph, the anchor nodes have the precedence recognition range, blind nodes are located in any positioning area, and one wireless sensor network is formed by all the nodes in a self-organization mode; the blind nodes start the positioning process, a room number is determined according to the blind node signal strength values collected by the anchor nodes in the rooms, the room grade is positioned, the information of the anchor nodes in the room is received, signal strength fingerprint data of the positions where the anchor nodes are located are recorded, the coordinate values of the blind nodes are calculated according to the fingerprint data and are modified, and the coordinate grade is positioned. The adopted signal strength fingerprint data have real-time performance and environment adaptability, and the room grade and the coordinate grade can be positioned and applied. Compared with the traditional fingerprint database technology, the indoor positioning method is simpler, easy to operate, high in positioning accuracy and capable of meeting the requirement for indoor positioning.

The invention discloses an unmanned plane-based enterprise carbon emission detection method, and according to the method, an unmanned plane is used as a carrier platform for inspection of distribution state of factory buildings and chimneys, the position with the largest pollution gas concentration at a corresponding height can be determined. On the basis, an unmanned plane movement route can be planned and optimized by use of Dijkstra algorithm and cubic spline difference value. The method comprises the following steps: (1) obtaining plant planar graph data; (2) according to a plant planar graph, drawing Voronoi diagram; (3) on the basis of an improved Gauss model, respectively detecting points needed to be traversed when the unmanned plane detects a high self-supporting chimney and points needed to be traversed when the unmanned plane detects a low self-supporting chimney; (4) using the Dijkstra algorithm, preliminarily planning an unmanned plane detection path; and (5) using the cubic spline difference value and seqential quadratic programming for path optimization to determine an optimal unmanned plane detection path. The method can guarantee that the unmanned plane achieves carbon emission detection of multiple emission sources of a plant under the condition of the optimal path, and has the advantages of being low in cost, real-time and flexible and the like.

The invention discloses an autonomous navigation system based on an indoor planar graph. The system comprises a map translation module and a navigation module. Intelligent terminals such as a mobile phone and a tablet personal computer are used for taking pictures of an indoor map, and related physical information such as scales and directions in the map is calculated. The map translation module is used for extracting a road and planning paths. The navigation module is used for associating user information with the paths according to the planned paths and guiding a user to reach a destination. Without collecting the information or deploying an infrastructure in advance, the information in the existing indoor map is sufficiently dug by the aid of the indoor map existing extensively in life, and end-to-end accurate indoor navigation services are provided by the aid of mobile phone sensors of the intelligent terminals.

An embodiment of the invention provides a method for displaying a cable underground pipe network. The method comprises the following steps of acquiring space information of the cable underground pipe network and equipment information of equipment in the cable underground pipe network; performing cable underground pipe network modeling according to the space information of the cable underground pipe network; generating a downhole planar graph of space of the cable underground pipe network; transforming the downhole planar graph generated according to the space information of the cable underground pipe network into a three-dimensional model by using a three-dimensional model technology and according to the equipment information; and displaying the three-dimensional model. According to the method for displaying the cable underground pipe network, the downhole planar graph which is generated according to the space information of the cable underground pipe network is transformed into the three-dimensional model by using a three-dimensional animation technology, and the overall arrangement of the underground sightless cable underground pipe network can be visually displayed. In addition, the embodiment of the invention also provides a device for displaying the cable underground pipe network.

The invention discloses a structured light dynamic scene depth acquiring method based on an encoding network template. The structured light dynamic scene depth acquiring method mainly solves the problems that the depth measurement precision is low and the measurement effects are liable to be affected by a measurement scene in the prior art. The structured light dynamic scene depth acquiring method is implemented through the steps of: designing a binary network template encoded by a binary cubic De Bruijn sequence; respectively acquiring a reference planar graph and a deformed grid image through the binary network template; performing line extraction on the deformed grid image and the reference planar graph to obtain a broken line graph and a vertical line graph of the grid image as well as a broken line graph and the vertical line graph of the reference planar graph; decoding the vertical line graphs of the deformed grid image and the deformed grid image respectively to obtain corresponding vertical line serial numbers; acquiring a point on the reference planar graph matched with a pixel point on a deformed grid image according to the vertical line serial numbers; and calculating a depth value of each point according to a triangulation ranging principle. The structured light dynamic scene depth acquiring method based on the encoding network template is high in measuring accuracy, has good robustness for complex scenes, and can be used for measuring dynamic three-dimensional scenes.

The invention discloses an integral video monitoring method of a large space region. The integral video monitoring method of a large space region includes the following steps: selecting a rectangular region to be monitored on an electronic map, selecting a rectangular region having a motion object in the region to be monitored as the video acquisition region and the symbolic object, and drawing an AutoCAD planar graph; measuring the spatial position coordinates of the video acquisition region and each symbolic object; according to the spatial position coordinates, establishing three dimensional models; according to the range which can be monitored by cameras, dividing the video acquisition region into a plurality of video monitoring sections, after performing correction and gap filling process on the real-time video images acquired by each camera, respectively mapping the real-time video images to the three dimensional models of the corresponding video monitoring sections, and then generating a real time large space projection image of the region to be monitored by means of image gathering; and through a splicing screen, displaying and recording videos at the same time. The integral video monitoring method of a large space region realizes integral video monitoring of the large space region, and can provide complete global video data at the first time for dealing with emergent events.

The invention relates to a method for drawing an exploratory point planar graph on the basis of the Excel. The method comprises the following steps of: 1, setting an Excel template file, i.e. setting a corresponding worksheet, wherein the worksheet at least comprises a header, a column number acquisition region, a CAD (Computer Aided Design) batch command generating region for expressing graph blocks and characters of different exploration holes, a hole coordinate input regions of the exploration holes and an element input region; 2, setting a CAD template file, including steps of setting corresponding drawing layers and defining the graph blocks and graph block names as per the elements, and programming a small program of 'numbering and coordinate extracting.dvb'; and 3, by loading the small program of 'numbering and coordinate extracting. dvb', generating a corresponding Excel table, acquiring the coordinates of exploratory points so as to obtain the worksheet, starting a CAD batch command and drawing the exploratory point planar graph. The method has the advantages that the method is simple, is easy to operate, is flexible and changeful, has strong adaptability, is convenient to carry out batch regulation and modification and has large data capacity; the time of generating the exploratory point layout plan in the investigation project is greatly shortened; and the working efficiency is improved.

A coherence enhancement processing method used for recognizing a fault includes the steps that the round-trip reflection time range of an objective interval on a seismic data body is determined, and structure guiding filtering and coherent computation are carried out on original seismic data corresponding to the objective interval to obtain a structure guiding filtering eigenvalue coherent data body; reflection strength alternating component computation is carried out on the data body to obtain an alternating component data body, and positive and negative exchange is carried out on the data body to obtain a coherent reflection strength alternating component data body with positive values and negative values exchanged; data body zero-setting computation is carried out on the data body, and low-coherence positive values behaving as the fault are all retained to obtain a positive value data body; ant tracking computation is carried out on the positive value data body of coherent reflection strength alternating components to obtain an ant tracking data body; the ant tracking data body and an original seism are fused to generate a fused data body; the position data explained on the original seismic data body are used for extracting horizon slices from the fused data body, and a fault and original seism planar graph is obtained.

The invention discloses a medical service guiding system based on patient physical symptoms. The medical service guiding system comprises a client side system and a server system, wherein the client side system and the server system are connected with each other through a network. The client side system comprises a doctor information module, a department information module, a disease inquiry module, a symptom fuzzy reasoning module, a human body system guiding module, a human body part guiding module, a laboratory result module and a hospital planar graph module. Users can log into the medical service guiding system through a hospital terminal device or a personal handheld mobile device and select the corresponding modules to conduct inquiry; meanwhile, by setting up a symptom-department-doctor fuzzy reasoning model, newly-diagnosed patients can be helped to rapidly know prevalence of themselves according to the symptoms of themselves and find appropriate doctors in the unfamiliar environment, and therefore flexibility, accuracy and diagnostic efficiency are improved compared with an existing system. By means of the medical service guiding system, the current requirement of people for medical treatment and health is met, and the hospital service level and the service capacity are improved.

The invention discloses a multi-robot cooperation positioning method based on an MAPSOPF algorithm. The method includes the steps that an actual operating environment is abstracted into a planar graph, and according to the position of a road sign and the paths of robots, an environmental map is built; relevant information and blackboard information of the robots are initialized; the MAPSOPF algorithm is adopted, the subsequent positions of the robots are predicted according to a fitness value, the predicted positions and the blackboard information are updated, and accurate positioning is completed. By adjusting weighing coefficients and learning factors, a competition mechanism is introduced so that the optimization effect of the algorithm can be improved, and finally, multi-robot coordination positioning accuracy is improved.

The invention relates to a point, line and plane obstacle model construction-based station real-time emergency response path planning method. With the method adopted, it can be ensured that an algorithm can calculate a three-dimensional optimal path in real time after a station emergency event without losing the position information of fixed obstacles in indoor environments. According to the coreidea of the method, before path planning, data processing is performed on the overall architectural design planar graph of a station in advance; obstacle map construction work in an entire area is completed; information is recorded in a server, so that system operation time can be shortened; with special conditions such as a condition that some escalators inside the station move upwards and downwards, and a condition that some escalators from a waiting room to a platform can only go downwards, and passengers can only go upwards through stairs, are considered, upward movement and downward movement attribute information and other attribute information are added to path cost, and therefore, a planed path can be in line with actual and situations; and by means of accurate and real-time path planning, station security personnel are guided to complete handling work in an emergency efficiently.

The invention relates to a pattern making method of suit sleeves. The process includes (1) measuring a net bust size of the human body; (2) measuring a cycle size including arms; (3) measuring a front and back width size of the human body; (4) making planar graphs of a front cut piece and a rear cut piece to determine depth and width of each armhole; (5) enabling a front shoulder point and a rear shoulder point to be intersected to determine the middle point of a sleeve crown of each top sleeve; (6) determining the front bottom of the sleeve crown of the top sleeve with a vertical line of the front cross as an axis; (7) drawing a bottom suture of the sleeve top; (8) making a bottom suture of each under sleeve; (9) making a camber line of a sleeve crown of the under sleeve and external sewing camber lines of the sleeve top and the under sleeve; and (10) determining the front position and the back position of each sleeve according to the positions of bucket openings of the front cut piece, and drawing sleeve slits. By utilizing the armholes to make the pattern of the sleeves, the sleeve crowns, sleeve crowns bottoms, under sleeve camber lines and the like are directly drawn out, and key positions of the sleeves are matched with the armholes, so that comfort degree and integral appearance beauty of the sleeves are improved, and quality of dress-goods is improved. The pattern making method of the suit sleeves is suitable for design pattern making of high-grade suit sleeves and sleeves of clothes with various styles.