76results about "Instruments for road network navigation" patented technology

A method and system for interactive real-time distributed navigation employs improved techniques for input and output. The method and system may receive inputs through a wireless device. The operating environment simplifies and reduces these inputs. In some embodiments, the system receives non-deterministic input to generate deterministic information using a number of methods. The system may also employ improved output techniques including methods for pacing navigational prompts provided by a navigation system, and methods of providing navigational information to a number of users. The method and system are applicable to text, graphics or audible navigation systems.

Disclosed is a computer implemented method of facilitating provisioning of social activity data to a mobile device based on user preferences is disclosed. The computer implemented method may include receiving, using a communication device, at least one selection corresponding to a plurality of filtering icons corresponding to a plurality of activities. Further, the computer implemented method may include receiving, using the communication device, a location indicator from the mobile device. Further, the computer implemented method may include filtering, using a processing device, social activity data based on the at least one selection of plurality of filtering icons to generate a filtered social activity data. Further, the computer implemented method may include transmitting, using the communication device, the filtered social activity data to the mobile device.

A vehicle has a plurality of traveling modes. A display device for the vehicle comprises: a display unit displaying map information; and a control unit causing the display unit to display recognizably, at a portion of roads in the map information, traveling modes that correspond to the roads. Preferably, the control unit sets a destination in response to an instruction received from an operator, searches for a traveling route extending from a starting point to the destination, divides the traveling route into segments, and associates one of the traveling modes with each of the segments. More preferably, the control unit causes the display unit to display the plurality of candidate traveling routes, each with the traveling mode overlaid thereon, and selects in response to an instruction of the operator one traveling route planned to be taken among the plurality of candidate traveling routes.

A travel route searching method of a mobile object whereby a travel route preferred by a user of a mobile object is searched using a road preferred by the user of the mobile object, a travel pattern at a crossroad and a road recommended by other user, and wherein the method comprises the steps of: collecting information of a road traveled by the mobile object, and discriminating a road preference by the collected information of the road to search the travel route; collecting a behavioral factor of the mobile object at a crossroad, and discriminating a behavioral factor preference of the user by the collected behavioral factor to search the travel route; storing as a recommended road the information of the road the mobile object has traveled if there is a instruction of storing the recommended road; and searching a recommended road situated between a starting point and a destination if the travel route is searched. Preference of the user relative to roads, a travel pattern preferred by the user and a recommended route are selectively used for the search of the travel route by the user.

The invention relates to an uncalibration machine vision-based intelligent navigation control system and an uncalibration machine vision-based intelligent navigation control method, and belongs to the technical field of automation and detection. In order to overcome the disadvantage that whether a technical effect is good or bad depends on uncalibration parameters in a conventional scheme, in vision system-based mobile robot real-time obstacle avoidance and a navigation control method in the technical scheme of the invention, an image is automatically acquired and analyzed for the purpose of realizing the control of a mobile robot platform; the image is processed rapidly from image feedback information obtained directly by utilizing the principal of machine vision; and feedback information is given in a time as short as possible for participating in the generation of a control decision so as to form the position closed-loop control of an end effector of the mobile robot. The scheme improves the adaptability and the work efficiency of a robot, effectively maintains the speed and the precision in an image processing process, enhances the robustness and the stability of a robot control system, and reduces cost input and energy consumption in an implementation process of the technical scheme.

The invention discloses a navigation path planning method and device. The method comprises planning a riding path from an initial position to a destination, if the shortest riding distance of the planned riding path from the initial position to the destination is greater than a preset first distance threshold value, planning a bus path from the initial position to the destination, planning a riding path from the initial position to an initial bus station of the bus path and a path from the tail bus station of the bus path to the destination, and determining a navigation path from the initial position to the destination according to the planned bus path, the riding path from the initial position to the initial bus station and the riding path from the tail bus station to the destination. The invention provides a technical scheme for realizing seamless exchange of various public vehicles.

A method and system for determining a location of a vehicle, the method comprises determining reception location data within a first cell of a work area for a vehicle. A reception quality estimator estimates reception quality data for the corresponding reception location data for the first cell. Optical location data is determined within a first cell of a work area for a vehicle. An optical quality estimator estimates optical quality data for the corresponding optical location data for the first cell. A data processor selects at least one of the reception location data and the optical location data as refined location data associated with the first cell based on the estimated reception quality data and estimated optical quality data.

The invention comprises a method of locating a vehicle, comprising: a) connecting a removable locator device to the vehicle, said locator device automatically noting when it has been connected to the vehicle and then using locating technology to retrieve, at regular intervals, location coordinates for the current location of said locator device, said location coordinates approximating the location of the vehicle; b) sensing a loss of connection between the locator device and the vehicle; c) automatically storing, as a waypoint on the locator device, the last location coordinates retrieved prior to sensing said loss of connection; and, d) removing the locator device from the vehicle to enable use of the locator device to return to the stored waypoint, wherein the stored waypoint represents the approximate location of the vehicle.

The invention discloses a picture navigation method and corresponding picture navigation equipment and picture navigation system. The picture navigation method comprises the following steps of: acquiring pictures with position information; selecting one picture, and using the corresponding position information of the picture as a navigation destination; determining starting position information; and determining a navigation route according to the corresponding position information of the picture and the starting position information. The picture navigation method disclosed by the invention has the advantages that the position information of a picture shooting site can be automatically obtained after acquiring the picture with the position information and selecting one picture, then the navigation route between the picture shooting site and the starting position is obtained by utilizing the corresponding position information, so that convenient and fast effects are achieved, and the entertainment is strong.

A digital mapping display and related system for fishing, and other applications.

A speech navigation method of the vehicle's satellite navigation system for the complex cross of road includes inputting the start position and destination to the system by user, choosing the optimal path on a digital navigatino map, receiving GPS signals to determine the current position on said digital map, and speech prompting of the running direction at complex cross when the distance threshold of speech prompting reaches.

The invention provides a vehicle-mounted navigation system. The vehicle-mounted navigation system comprises a vehicle-mounted GPS (Global Positioning System) antenna, a camera, an AR (Augmented Reality) head-up display and a vehicle-mounted navigation host, wherein the vehicle-mounted GPS antenna is used for locating and obtaining a world coordinate system; the camera is used for carrying out real-time image collection on a road condition ahead; the vehicle-mounted navigation host comprises a coordinate system conversion unit which is used for carrying out image recognition and analysis on a road condition image collected by the camera and converting the world coordinate system to a camera image coordinate system, a model generating unit which is used for generating a 3D (Three-dimension) model of a marching road according to the camera image coordinate system, a virtual navigation information generating unit which is used for generating virtual navigation indicating information according to the 3D model of the marching road and an output unit which is used for outputting the virtual navigation indicating information to the AR head-up display; the AR head-up display is used for projecting the virtual navigation indicating information to a windshield and realizing the effect of overlaying the virtual navigation indicating information to an actual road.

A method and apparatus for managing movement. A navigation system comprises a first inertial measurement unit enabled global positioning system device having a first inertial measurement unit with a first level of accuracy in a first vehicle and is configured to provide first information that identifies a position of the first vehicle relative to a second vehicle. The navigation system further comprises a second inertial measurement unit enabled global positioning system device in the first vehicle having a second inertial measurement unit with a second level of accuracy that is greater than the first level of accuracy and is configured to provide second information that identifies the position of the first vehicle relative to the second vehicle. The navigation system further comprises a controller that is configured to perform an action based on a desired level of accuracy of the first information.

In a vehicle navigation system, a data storage device stores data on categories of points of interest indicated on sign boards provided at freeway exits and facilities and services available at the points of interest. The navigation system performs a search for a point of interest that provides facilities or services specified by an input from a user in a category specified by an input from the user based on the stored data. The navigation system displays an exit at which a sign board including the searched point is provided in a manner that the searched exit is distinguishable from other exit on the display device. Furthermore, the navigation system displays a route to the searched point of interest on the display device.

Each time mobile communication terminal 10 moves a distance of 150 kilometers, it computes its approximate position by performing a stand-alone position measurement, and stores the approximate position. When mobile communication terminal 10 needs to precisely measure its location it notifies position measurement assist server 30 of the stored approximate position, to thereby perform a GPS position measurement operation by using satellite capturing data transmitted, accordingly, from position measurement assist server 30.

A front panel operating apparatus and method of a vehicle display device such as a car audio can include a main chassis for accommodating an audio device, a front panel provided in the front side of the main chassis that opens or closes to allow access to a record medium for the audio device. The front panel can have a display part in the front side thereof. A supporting panel can be hinge-coupled to a lower side of the front panel to move a lower end of the front panel forward and backward by sliding from a prescribed location of the main chassis in forward and backward directions of the main chassis. A vertical guide can be formed at the front side of the main chassis, and a protrusion formed on the front panel can be inserted into the vertical guide for controllably moving an upper portion of the front panel up and down.

The invention discloses a vehicle-mounted projection system, and belongs to the technical field of vehicles. The system comprises a transmission module, a processing module and a laser display device, wherein the transmission module is used for receiving navigation data; the processing module is used for processing the navigation data to obtain a navigation picture; the laser display device is used for projecting the navigation picture to an appointed position at a front roadway of the vehicle. The navigation picture of the vehicle is projected to the front roadway of the vehicle in a laser display mode, the visibility is improved, and the projection effect is guaranteed.

The invention discloses a method for searching a gas leakage source by dynamically integrating a plurality of search strategies. The method comprises a stage of estimating adaptability of various search methods under different search conditions by means of an artificial neural network to determine a main factor which affects performance of various searching methods, and train the artificial neural network for estimating the adaptability of the search methods; an integration mode of a plume finding phase, namely, an integration strategy which combines the search method based on a visual attention mechanism with a random search method; an integration mode of a plume tracing phase, namely, respectively determining a search direction of the next step by a chemotaxis method, an anemotaxis method and a visual method when a robot detects the gas concentration information, and inputting the current search condition which is the main factor affecting the performance of the search methods to the trained artificial neural network to obtain the adaptability of various methods, and planning a local search route of the robot by a driving force vector composition method. The method can obviously improve the efficiency and the success rate of searching the gas leakage source.

The invention relates to a method and a device for analyzing obstacle of a vehicle, and relates to the technical field of control technology, wherein the method comprises: rasterizing environmental information data so as to acquire a first grid map, expanding the first grid map according to the size of the vehicle, acquiring a second grid map, determining whether there is a path grid overlapping with the obstacle grid in the second grid map, the path grid is at least one grid in the second grid map corresponding to all the path points in the preset path, the size of the path grid is the same as that of the vehicle, when there is a path grid overlapping with a barrier grid in the second grid map, whether there is a collision point in the path is determined according to the first grid map and the path grid. The accuracy and the efficiency of the path obstacle analysis can be improved; meanwhile, the calculation amount and the requirements of the hardware are reduced.

The invention relates to an unmanned boat global path planning method. The method comprises the following steps: 1) an electronic chart is converted to a grid map, if an obstacle exists on a point onthe electronic chart corresponding to a grid on the grid map, the grid is marked as 1, or otherwise, the grid is marked as 0; 2) grids marked as 1 are eliminated through a GoalBounding algorithm and asearch range is narrowed; 3) a starting point S and an ending point G are randomly set on the electronic chart, the latitude and longitude of the point S and the point G are acquired and are converted to coordinates on the grid map; 4) whether a path can be generated from the starting point S to the ending point G is judged, if yes, a fifth step is carried out, or otherwise, the third step is carried out; 5) path planning is performed within the narrowed boundary range through a JPS+ algorithm; and 6) all nodes found in the fifth step are connected to complete path planning. The operation speed of the invention is up to 60 times that of an A-star algorithm.

The invention discloses a map, a positioning device, a positioning system and a positioning method thereof. The positioning method is suitable for a positioning system that includes a map and a positioning device. The positioning method comprises the following steps that: an image capture unit captures a map image according to the map; a satellite positioning unit provides position information according to the position of the positioning device; a control unit is utilized to receive and decode a two-dimensional bar code so as to obtain map information; when the control unit determines the position information is in the map image, a projection signal is generated and then is transmitted to an projection unit; and thus, the projection unit generates a projection spot based on the projection signal and is marked on the map.