299results about How to "Improve navigation efficiency" patented technology

The invention discloses a constructing method and a navigation method of a global boundary map. The constructing method comprises the following steps: firstly, determining a virtual cleaning zone in working space while a robot is started, labeling boundary characteristic information of a navigation boundary during a sweeping process of the virtual cleaning zone, and constructing a local boundary map; secondly, converting data of the local boundary map to a global coordinate system; moving to unswept zone after completing the sweeping of the virtual cleaning zone, determining a next virtual cleaning zone, continuously labeling the boundary characteristic information, repeatedly recycling, exiting the recycling after completing the sweeping of the whole working space, and completing construction of the global boundary map; finally, navigating by selecting the navigation boundary as a navigation path. According to the method for constructing the local boundary map and the global boundarymap, disclosed by the invention, rapid navigation of the robot is realized under a condition that the boundary characteristic information is reserved; meanwhile, system memory is saved, and the flexibility and high efficiency of navigation of the robot can be improved.

The invention discloses a driving safety auxiliary control method and a driving safety auxiliary control system. The driving safety auxiliary control system comprises a driving computer (8) used for acquiring a signal and extracting vehicle driving data representing the vehicle running status from the signal, a vehicle terminal (1) used for detecting and collecting the vehicle driving data, and a wireless communication network (13) used for receiving the vehicle driving data, combining the vehicle driving data with networking information through a server (14), prejudging the running status of a vehicle and the traffic around the location of the vehicle, and generating safety prompt information corresponding to a prejudgment result. In the process of vehicle driving, a user receives various driving safety alert information and the best driving route avoiding congested roads and speed-limiting and restriction roads in real time through the driving safety auxiliary control system of the invention. The efficiency of navigation and the safety factor of vehicles can be improved, and the time consumed on the road can be shortened for users.

The invention discloses an underground pipeline positioning method based on a CORS (continuous operational reference system). The method comprises the following steps of: I, establishing a CORS; II, collecting paper drawings: collecting the pipeline as-built drawings of all underground pipelines paved in an area to be positioned and the topographical map around each underground pipeline respectively; III, making an electronic map, wherein the making process comprises the steps of paper map electronization treatment, drawing scanning and pretreatment, raster image transfer, raster image orientation, image sector conversion, pipeline attribution information marking, edge matching treatment, projection conversion, data check, conversion into an embedded electronic map and the like; IV, transferring and visually displaying the electronic map; V, superposing the coordinate data of the electronic map; and VI, positioning the underground pipelines. The method disclosed by the invention is easy and convenient to use and operate, has a good using effect and high practical value, and can really realize accurate positioning of the underground pipelines and effectively solve the problems of inconvenience in positioning operation, relatively bad positioning effect and the like of the existing underground pipeline positioning method.

The invention provides a map navigation method. The method comprises the following steps: a server receives a real time image sent by a mobile terminal and navigation condition information for confirming a navigation path, wherein the navigation condition information includes information of a navigation destination; comparing the real time image with a data image in an image database, and determining the current position and direction of the mobile terminal; calculating a navigation path from the current position to the navigation destination according to the navigation condition information; and obtaining the traveling direction identifier information of the navigation path according to the navigation path, the traveling direction of the navigation path and the current position and direction of the mobile terminal, and sending the traveling direction identifier information to the mobile terminal. The invention also provides a map navigation apparatus and a system thereof. The map navigation method, the apparatus and the system realize map navigation of the real time image shot by a user, and can improve the navigation efficiency.

The invention reveals a topological map building method of a mobile robot, comprising the following steps: S1: building a current region according to environmental information of current position of a mobile robot; S2: judging whether the current region accords with the sub-region division condition; entering S3 if the current region accords with the sub-region division condition; and entering S4 if the current region does not accord with the sub-region division condition; S3: dividing the current region into at least two sub-regions which contain the sub-region of current position and are connected through a boundary, and then entering S5; S4: considering the current region as the sub-region of the current position, and then entering S5; S5: building a local map at the sub-region of the current position and storing; S6: judging whether there exists a sub-region without local mapping, entering S7 if yes, and entering S8 if not; S7: letting the mobile robot move to the sub-region without local mapping, updating information of the current position and returning to S1; and S8: building a topological map with the sub-region as the node and the boundary as the edge. In addition, the invention also discloses a navigation method of the mobile robot based on the topological map.

The invention provides a navigation system and a navigation method and device, wherein the navigation method comprises: calculating a navigation route based on a navigation request to obtain a guiding route; in a navigation process by the guiding route, detecting a distance between a current position and a next maneuvering crossing, which is a road crossing matched to prompt information in the navigation process; obtaining a distance represented by each screen pixel corresponding to each-grade display proportion of an electronic map, to determine a visual scope in the front of the current position under each-grade display proportion; adjusting the current display proportion of the electronic map, to make the visual scope and a detected current position adapted to the distance between the current position and the next maneuvering crossing. The technical scheme of the invention can implement automatic adjustment of the display proportion of the electronic map in the guiding process, to make sure that the next maneuvering crossing can always be properly displayed in the visual scope in the front of the current position.

The invention discloses an intelligent navigation device, a navigation terminal and an information navigation method in the terminal. The invention embodiment comprises: obtaining the text information in the terminal; judging whether the navigation program has started; if not, starting the navigation program and introducing the text information into the navigation program to process; if yes, introducing the text information into the navigation program directly to process; therefore, user can call the navigation program from other application programs in the terminal rapidly and conveniently; the system can induced the text information needing navigation automatically for navigation, avoids the errors caused by the user artificial input information, while increasing the navigation efficiency and facilitating users.

The invention provides a navigation method in live-action function on a mobile terminal. The method comprises the steps of running an electronic map program on the mobile terminal; determining a target site address according to operations of a user on the electronic map program; acquiring a current geographical location of the mobile terminal; displaying a live-action shooting image on the mobile terminal; drawing a navigation route in a live-action function interface according to the current geographical location and the target site address; detecting a ground image area in the live-action shooting image; mapping the navigation route to a plurality of characteristic points of the ground image area; identifying movement of the characteristic points of the ground image area on the live-action shooting image; and keeping continuity of the navigation route along a connecting line of the characteristic points. Accordingly, the invention provides an electronic map client. The navigation method and the electronic map client can increase navigation efficiency of a live-action function.

The invention discloses a positioning device and method based on depth vision and a robot. The positioning device is a movable vision positioning device which comprises a rear image collection module,a depth recognition module, an image processing module, an inertia processing module and an integrating positioning module. The rear image collection module is used for collecting landmark images forachieving positioning, the depth recognition module is used for recognizing the ground and objects on the ground, the image processing module comprises an image preprocessing submodule and a featurematching submodule and is used for processing image information input by the rear image collection module and the depth recognition module, the inertia processing module is used for sensing displacement information of an inertia sensor in real time, and the integrating positioning module is used for integrating environment information obtained by sensor modules for achieving positioning. Comparedwith the prior art, a three-dimensional depth sensor installed on the front portion provides new address information for a camera with the face inclined backwards in real time to complete positioningin a matching mode, accordingly, computing resources in the positioning navigation process are reduced, and the synchronous positioning efficiency is improved.

The invention relates to a method for calibrating zero offset of a quartz flexible accelerometer component, which is a system grade calibrating method using a velocity error as observed quantity. In the method, the conventional calibration equipment is still used, the six-position calibration scheme has simple operation and high calibration accuracy; and compared with conventional multi-position division calibration test, the calibrating time of the method of the invention is greatly shortened, calibration errors caused by rotary table errors when multiple positions are calibrated are reduced, and the navigation performance of a strapdown inertial navigation system can be improved. The invention provides a practical system grade calibration method for the accelerometer component.

The invention relates to an intelligent garage management application system and method. The system comprises a mobile application platform and a data processing platform, and the mobile application platform is connected with the data processing platform via the wireless network. The mobile application platform sends a parking stall request instruction to the data processing platform, the data processing platform sends a parking stall sketch map including parking stall information to the mobile application platform, after parking, the mobile application platform sends parking install information, including identification of a parking stall of the intelligent garage, to the data processing platform, and the data processing platform processes the parking stall information and then records and stores the vehicle parking information. The method comprises a navigation management application method of the intelligent garage and an inverse vehicle searching management application method of the intelligent garage. The system and method have the advantages that via wireless data exchange, a high-efficiency convenient parking scheme is provided for users, the users are guided to park and find the vehicle via navigation, and the problem that parking and vehicle searching are difficult and tedious is solved.

The invention mainly relates to an AGV traffic dispatching management method based on a traffic control area. The method mainly comprises the steps that an identification node is set on the navigation route of an AGV map; an identification node in the traffic control area of the AGV map is set as a traffic control identification node; an identification node in the periphery of the traffic control area of the AGV map is set as a traffic control approaching identification node; AGV reads the information of an identification node in real time and transmits the control area information of the identification node to an upper computer during traveling; the upper computer carries out analyzing according to the control area information of each identification node of AGV, and sends a dispatching command to AGV; and AGV operates according to the dispatching command. According to the invention, the design is rational; AGV reads the information of an identification node in real time and transmits a control area number to the upper computer for management during traveling, which ensures that AGV travels smoothly in the navigation route; the AGV navigation efficiency is improved; the navigation cost is reduce; and collision or congestion is avoided.

The invention discloses a virtual reality technology-based indoor navigation method and a system and belongs to the technical field of indoor navigation. The navigation method comprises the followingsteps: confirming a position of a user terminal by establishing an indoor 3D map containing a 360-degree VR real image and interesting points and by matching a real-time image shot by the user terminal with the 360-degree VR real image; confirming the shortest route from a starting point to a destination according to an A* algorithm, thereby planning a navigation route. A navigation system comprises a map module, an image acquisition module, a rectification module, a position acquisition module, a processing module and a guiding module. The virtual reality technology-based indoor navigation method and system do not rely on other additional equipment and can solve the problems of low efficiency and low accuracy of the present indoor navigation technology.

The invention discloses a thumbnail navigation method and an apparatus thereof. The apparatus comprises: a file monitor module, a thumbnail synchronization module and a thumbnail display module, wherein the file monitor module is used for monitoring changes of a file in a currently-browsed folder and notifying the thumbnail synchronization module if any changes of an image in the folder is detected; the thumbnail synchronization module is used for adjusting the thumbnail of the folder after receiving a notice from the file monitor module; and the thumbnail display module is used for displaying the thumbnail of the folder according to the thumbnail obtained through adjustment by the thumbnail synchronization module. The invention also discloses a thumbnail navigation method capable of adjusting and displaying thumbnails of images in real time if the images change, such as images adding, deleting or updating, thereby improving thumbnail navigation efficiency and user experience.

The invention discloses a real-time navigation method based on road conditions. The method comprises: a road condition acquisition unit periodically collects real-time traffic information of each road section, and sends the real-time traffic information to a real-time traffic server, and the real-time traffic server receives the real-time traffic information After information processing, the real-time congestion degree of each road section is obtained; the terminal navigation device obtains the starting position and the end position, and provides driving route 1 after path calculation; the terminal navigation device obtains the congestion degree of each road section from the current position to the end position, based on the congestion degree The lowest strategy provides driving route 2; the terminal navigation device obtains the predicted congestion degree of each road section from the current position to the terminal position after a predetermined time period, and provides driving route 3 based on the lowest predicted congestion degree strategy. Compared with the prior art, the present invention enables users to conveniently and clearly know the real-time road conditions on the way and the predicted road conditions after a period of time, provides three routes for users to choose, has strong real-time performance, and improves navigation efficiency.

The invention discloses an intelligent navigation method and system based on mass vehicle data. The system comprises a plurality of vehicle-mounted navigation terminals (100), a road traffic network (300) and a vehicle monitoring center (200) which is connected with the road traffic network (300) and is in wireless communication with the plurality of vehicle-mounted navigation terminals (100) respectively, wherein each vehicle-mounted navigation terminal (100) sends a driving path query request containing vehicle location and navigation destination to the vehicle monitoring center (200) when receiving a navigation instruction input from outside, and the vehicle monitoring center (200) is used for calculating one driving path through an optimal driving path computation formula according to the monitored basic road traffic condition of a region in which a monitored vehicle is located and real-time traffic broadcast messages from the road traffic network (300), and the driving path, as an optimal driving path, is sent to the vehicle-mounted navigation terminal (100) requiring navigation service from the vehicle monitoring center (200).

The invention relates to a navigation method, which comprises: according to the starting point and the end point submitted by a terminal, calculating a first navigation route between the starting point and the end point and reversing back to the terminal; receiving positioning information of the terminal and a real-time road condition acquiring request; calculating a second navigation route between the current position in the positioning information and the end point according to the real-time road condition; and according to the predetermined rule, determining whether the second navigation route is superior to the navigation route between the current position and the end point in the first navigation route, and reversing back the second navigation route to the terminal if the second navigation route is superior to the navigation route between the current position and the end point in the first navigation route. In addition, the present invention further provides a navigation apparatus. With the navigation method and the navigation apparatus, the road utilization rate can be improved, the vehicle navigation efficiency can be improved, and the network communication resources can be saved.

The invention discloses an underwater intelligent self-adapted terrain matching method based on terrain information amount and mainly aims to solve the problems that the terrain information amount of an underwater navigation region is not sufficient or not complete so that the error of an aided navigation system is increased and the long-time accurate navigation and positioning requirements of an underwater vehicle cannot be met. The underwater intelligent self-adapted terrain matching method mainly comprises the following steps: calculating different terrain feature parameter values in the navigation region; calculating a terrain information amount aggregative index based on an intelligent method; and carrying out sampling time calculation and a self-adapted terrain matching algorithm based on a terrain information amount aggregative index value. According to the method, the problems that the terrain information amount of the underwater navigation region is not sufficient so that the error of the aided navigation system is increased and the single terrain feature index can cause the incomplete evaluation on the terrain information amount can be effectively improved; the intelligent method is used for comprehensively considering the influence of each index; the sampling time is adjusted by the terrain information amount in a self-adapted manner, the matching range is enlarged and the matching precision is improved.

The invention relates to an intelligent blind-guide method comprising the steps of obtaining position information; planning and analyzing a route; performing real-time analysis on road conditions; judging whether traffic signal detection for an intersection is needed according to a map and positioning information; analyzing the state of traffic information signal lights and prompting a user; establishing a Gaussian mixture model and performing background analysis on obtained road condition images to obtain an image background and further obtain foreground image information; performing feature analysis on the foreground image information to judge the road information and passenger and vehicle information and prompting the user. The method can perform accurate and comprehensive detection and reasonable evaluation on complex road conditions, can provide reasonable and timely prompts for users, can provide convenience for going out of special crowds, in particular the blind and the old, fulfills the functions of accurate positioning, route navigation, road condition detection and voice prompt, and is worthy of extensive promotion.

The present invention belongs to the field of navigation, and provides a navigation positioning method and a navigation positioning apparatus. The method comprises: receiving a positioning request, and acquiring the original positioning information of the current vehicle according to the positioning request; acquiring the currently-stored positioning information sequence, wherein the currently-stored positioning information sequence is the sequence comprising a lot of vehicle positioning information before receiving the positioning request; and according to the currently-stored positioning information sequence, correcting the original positioning information to obtain the final positioning information for determining the current vehicle position. According to the present invention, the navigation positioning information in the embodiments of the present invention can be corrected according to the currently-stored positioning information sequence, such that the detected current vehicle position can be effectively matched to the correct position, and the navigation efficiency can be significantly improved.

The invention discloses a deep reinforcement learning obstacle avoidance navigation method fusing global training. The method comprises the steps that: an initial path is planned according to known information; a robot moves from an initial point to a target point along the initial path; a temporary target is selected, and the robot moves towards the temporary target; an accumulated expected reward and punishment value is set, navigation is conducted continuously for multiple times, and a reward and punishment value is given to each frame in the robot navigation process; an interaction tuple is obtained from a sensor; the interaction tuple is input into a deep learning network for training; and a to-be-navigated interaction tuple is input into the trained deep learning network, an optimal path and an accumulated expected reward and punishment value are output, and the robot moves according to the optimal path. According to the method, the convergence speed of deep reinforcement learning can be effectively improved, the navigation efficiency of the robot is improved in the navigation process, meanwhile, the motion of the robot is environment-friendly, and the influence on the surrounding environment is reduced to the minimum.

The invention discloses an information sharing-based navigation system and navigation method, the navigation system comprises multiple vehicle-mounted navigation devices and a server, the location information and the path information of a vehicle, on which a vehicle-mounted navigation device is, are sent to the server by the vehicle-mounted navigation device, and according to the location information and / or the path information of vehicles on which other vehicle-mounted navigation devices are, path programming or path programming adjustment is performed, wherein the location information and / or the path information are / is issued by the server; the location information and the path information sent by the vehicle-mounted navigation device are received by the server in collaborative driving mode, and the location information and / or the path information are / is issued to other vehicle-mounted navigation devices. The navigation system and navigation method improve the driving safety, and improve the team travel navigation efficiency.

The invention discloses a shutter type hydraulic self-control gate. The shutter type hydraulic self-control gate comprises a gate frame, window lattices, small door leaves and small door spindles, wherein, a plurality of window lattices are arranged in the gate frame; the small door spindles are arranged at the top part of the window lattices; the small door leaves are suspended on the small door spindles; a large door spindle is arranged at the top part of the gate frame to form a top spindle shutter type hydraulic self-control gate; and a large door spindle is arranged at the bottom part of the gate frame to form a bottom spindle shutter type hydraulic self-control gate. The top spindle type and fixed type shutter type hydraulic self-control gate can efficiently utilize tidal power resources in riverine and coastal areas and effectively control reservoir deposits of tidal power station, and provides safe energy and water insurance for the development of riverine and coastal areas. The bottom shaft type shutter hydraulic self-control gate can be used as a navigation gate of a ship elevator, reduce the open and close resistance of a flap gate and the error of water level of navigation, shorten navigation time, and comprehensively improve the navigation efficiency of ship elevators. Compared with the traditional gate, the shutter type hydraulic self-control gate has good work state and the passing water current is uniform.

Disclosed are a road condition event information providing method, a device and a guided system. The road condition event information providing method comprises the following steps: confirming current position information of a guided object in an electronic map; confirming an area scope on the basis of the current position information of the guided object, wherein the area scope comprises an electronic map area within the scope of a current screen; and matching the area scope with road condition event information stored in a road condition event information data bank; providing the road condition event information within the scope of the area for a user according to a matching result. According to the technical scheme, the guided system can automatically match the road condition event information stored in the road condition event information data bank with the confirmed area scope, and providing the road condition event information within the scope of the area for the user according to the matching result, so that guiding efficiency of the guided system is improved.

The present invention discloses a system and method of searching, exploring or otherwise navigating the contents of a collection of networked documents or pages. In a preferred embodiment, this system provides a user with a multimedia display format which intuitively indicates, without the user opening a document or web page, the characteristics of the document or web pages. Additionally, this system permits a user to move between such documents without extensively entering explicit search terms. With this system, the contents of Internet web pages may be evaluated by incrementally adjusting through a multimedia display of a continuum of IP addresses or a continuum of related web pages, which are identified as having keywords that match any of a collection of keywords generated from an initially-inputted keyword. This system further comprises a dial or rotary control that allows the user to select, in a continuous fashion, among such displayed, Internet web pages.

The invention provides a path navigation method and device. The method comprises the steps that query data are obtained, the query data comprise a departure point and a destination point, and two or more navigation paths from the departure point and the destination point are further obtained according to the query data, so that the two or more navigation paths can be output in a navigation map. Not only one navigation path is displayed in the navigation map any more, instead, all the navigation paths can be displayed, therefore, the technical problem that in the prior art, data interaction between an application and a terminal is increased due to the fact that a user switches applications repeatedly so as to display all the navigation paths on the navigation map can be avoided, and thereby processing burden of the terminal is lowered.

The invention discloses a multi-destination path navigation method, comprising the following steps: a) selecting an interest point through a mobile terminal to serve as a destination, sending a path navigation request to a server, and calculating a first navigation path through the server with the destination as end point; b) searching interest points with the same name or category within a preset range on the surrounding of the destination through the server; c) if interest points with the same name or category exist, using all searched interest points as end points, and continuing to calculate the navigation path to obtain a plurality of second navigation paths; d) respectively comparing the plurality of second navigation paths with the first navigation path, and if a second navigation path with better pre-estimated distance or pre-estimated time obviously exists, simultaneously sending the second navigation path and the first navigation path to the mobile terminal for selection. By adopting the multi-destination path navigation method provided by the invention, detour or time waste caused by improper destination selection of a user is avoided, and the navigation efficiency is greatly improved.

The invention discloses an area navigation method and a navigation terminal. The area navigation method comprises the following steps of: receiving a navigation request by the navigation terminal, wherein the navigation request includes destination information; acquiring an area navigation map corresponding to the destination information, wherein the area navigation map corresponding to the destination information includes path navigation information of at least one path leading to a destination in an area in which the destination is preset; acquiring current position information; and returning to the path navigation information from a path to the destination when a current position is on the path in the area in which the destination is preset according to the current position information and the area navigation map corresponding to the destination information. According to the area navigation method and the navigation terminal, the problem that the navigation efficiency is low because a conventional navigation system needs to continuously calculate an optimal path is solved.

The invention is used for shooting a road condition scene in a driving process into a video; the road condition scene shot in the video is extracted through an image identification technology and a similarity comparison technology; the road condition scene and a pre-stored electronic map are subjected to similarity comparison; when one point in the road condition scene has the highest similarity as a certain point in the electronic map, the point is a current position of a user; a navigation path is generated according to the current position of the user and a destination coordinate; a navigation prompt is provided for the user according to the navigation path. By adopting a video navigation technology, the problem that the utilization of traditional GPS (Global Position System) navigation is relatively complicated is greatly simplified and the efficiency of identifying the direction in a driving process is improved; when the user uses the video navigation, the user only needs to input the destination, so that the user can conveniently utilize the video navigation and the driving accidents are effectively reduced.