32results about How to "Efficient navigation" patented technology

The invention discloses a local ablation method for liver cancer. The local ablation method comprises the following steps: carrying out modular partition including the liver, the tumor focus, the blood vessel and the tissue around the liver in sequence on the preoperative image after registration, and carrying out puncture path planning and puncture thermal field planning; carrying out multi-modal image registration on the preoperative image and an intra-operative image, outputting the tumor focus of the preoperative image, and displaying the tumor focus on the intra-operative image in a fusion manner; and carrying out multi-modal image registration on the preoperative image and a postoperative image, outputting the tumor focus in the preoperative image, and displaying the tumor focus in the preoperative image on the postoperative image in a fusion manner, wherein the preoperative image and the postoperative image respectively comprise the CT image and / or MR image of the time sequence, and the intra-operative image comprises the CT image. According to the method, the image registration step is added in preoperative planning, the intra-operative locating and postoperative assessment, thus the scientific planning for the tumor thermal ablation before the operation, the visual and effective information display in treatment during the operation, and the scientific assessment for the curative effects and the treatment experience feedback after the operation are realized, so that the preoperative planning is guided.

The invention discloses a method, a device and a system for the navigation of an electric automobile. The method comprises the following steps: acquiring map data from a map database; acquiring real-time traffic information provided by a traffic information channel; generating a reference driving route through the current geographic position of the electric automobile, acquired by a GPS (Global Positioning Unit), the real-time traffic information and the map data according to a target geographic position input by a user; collecting the storage battery SOC (System on Chip) value of the electric automobile and generating the endurance mileage of the electric automobile, corresponding to the storage battery SOC value; generating travelling suggestion information according to the reference driving route and the endurance mileage. The problem in the prior art that the driver of the electric automobile cannot know whether the reference route provided by the navigation device can be finished within the endurance mileage of the electric automobile or not is solved, and efficient navigation effect is realized.

A model and system employing the model provides an organized structure for storing, displaying, and navigating content data regarding instruments for market driven industries (i.e., securities). A Market Research Model (MRM) paradigm is used to represent elemental concepts, a plurality of specific classes of entities form the MRM, and an interface is used to assemble, maintain, and interact with the model. Information may be added to the model by a research provider and provided to an end user on a subscription basis. The user is provided with an interconnected, navigable model of an item of interest for research and decision-making support.

The invention provides a touring route generation method. The method includes the steps that a scenic spot distribution map is generated on terminal equipment at least provided with a display screen according to geographic positions; visitor flow rate data in the target time period of each scenic spot in the scenic spot distribution map are acquired, and the visitor flow rate data corresponding to the scenic spots are displayed on the terminal equipment so that a user can determine the scenic spot which the user wants to tour; the entrance visitor flow rate of multiple entrances of the determined scenic spot to be toured is acquired and displayed on the terminal equipment so that the user can determine the touring entrance; the scenic spot visitor flow rate of multiple scenic spots in the determined scenic spot to be toured is acquired, and with the touring entrance as a route starting point and / or ending point, a touring route is generated. According to the touring route generation method and system, the visitor flow rate of each entrance and exit of the scenic spots is monitored and predicted to achieve optimal entrance and exit guidance; besides, the visitor flow rate of each scenic spot is monitored to provide the optimal garden touring route for the user.

The present invention discloses a robot navigation method and devices and belongs to the field of robot technologies. The method includes the following steps that: a global path from a starting pointto a target point is obtained through global cost map planning; a robot moves to the target point according to the global path, and performs path tracking during the moving process; whether a movementabnormality occurs during the path tracking is judged; if the movement abnormality occurs, a global cost map is used to re-plan a global path from the current location to the target point. Therefore,with the robot navigation method and devices of the invention adopted, the calculation quantity of the processor of a navigation device can be decreased, and navigation efficiency can be improved.

The invention discloses a transference navigation method and a transference navigation system of public transport vehicles. The system comprises a receiving unit, a transference scheme obtaining unit and a displaying unit. The method comprises the following steps: S1, receiving the information at a starting point and the information of an ending point; S2, obtaining public transport vehicle transference schemes, the numbers of transferences from the starting point to the ending point of which are less than or equal to threshold values of the numbers of transferences; and S3, displaying the public transport vehicle transference schemes. More transference schemes can be displayed on a limited screen according to the manner that the routes of the public transport vehicles are displayed by transference nodes, thereby being convenient for users to comprehensively sense all feasible routes. In addition, according to the transference schemes, the users are permitted to dynamically program subsequent vehicle-taking plans via the combination of the running conditions of the real-time public transport vehicles, so that the time of the users waiting for the public transport vehicles is shortened. Thus, the navigation is more efficient.

The invention discloses a system and a method for planning paths in a hospital. The system for planning the paths in the hospital comprises a plurality of path detection devices. The path detection devices are mounted in the hospital, each path detection device comprises a distance measuring module, a recognition module, a movement detection module, a processor, a lamplight control module and an audio frequency control module, corresponding lamps can be turned on and off under the control of the lamplight control modules, corresponding audio frequencies can be played under the control of the audio frequency control modules, and real-time conversation can be carried out by the aid of the audio frequency control modules; communication modules are connected and communicated with central computers. Nodes in the paths can be sequentially listed according to sequences from starting points to end points after the paths are computed by the central computers, the path detection devices corresponding to the nodes are further found out, lamp lighting and audio frequency playing commands are sequentially transmitted to the path detection devices at corresponding addresses step by step, and accordingly lamplight and audio frequency navigation can be completely carried out.

The invention discloses a system and method for establishing a map by taking photos to recognize the floor through a mobile phone, and relates to the field sweeping map systems. The system comprises amobile phone processing unit, a connecting end of the mobile phone processing unit is provided with a mobile phone camera, a gyroscope and a gradienter, an output end of the mobile phone processing unit is provided with an image processing module and a verification calculation module, an output end of the image processing module is provided with an image assembling module, an output end of the image assembling module is provided with a dimension calculation planning module, and the dimension calculation planning module is connected with the mobile phone processing unit. According to the system, indoor scenes are photographed through a mobile phone camera through a mobile phone APP, 3D conversion is conducted on a planar image by the image processing module using the gradienter and the gyroscope to establish a planar map, map data is transmitted to a floor sweeping robot and saved by the robot after the map is received, and efficient navigation is conducted by the floor sweeping robotthrough the map to clean the floor.

The invention provides a mixed positioning system and particularly relates to a vehicular intelligent navigation system. The system comprises a processing unit, a memory, a positioning module, a touch screen and an audio input / output module. The processing unit is connected with all of the memory, the positioning module, the touch screen and the audio input / output module. The vehicular intelligent navigation system further comprises a vehicle condition data acquisition module and a road condition data acquisition module. Both the vehicle condition data acquisition module and the road condition data acquisition module are connected with the processing unit. The system using GPS / Beidou dual-mode navigation is more efficient. The system accesses an urban traffic cloud database by auxiliary active RFID technology, thereby providing real-time navigation information more accurately and comprehensively.

The present invention discloses a method and system for Open-type automation navigation based on a robot. According to the user requirements, navigation scenes are determined as general navigation areas, accurate navigation areas and main path areas, the main path areas employ the Dijkstra algorithm based on a path network to obtain a path between the endpoint of the nearest path from the current position of the robot and the endpoint of the nearest path from the endpoint of a destination; and the human intervention of path planning is realized through the endpoints of the paths so as to allow the navigation to be accurate and controllable and allow the efficiency to be higher. The automatic navigation and accurate line patrol location of the robot are combined, and a buffer zone is employed to realize the transition from the general navigation areas or the main path areas to the accurate navigation areas. The width of a buffer strip is gradually reduced to 0.5-1 com from 5-10cm, the length of the buffer strip is between 20cm-100cm, and the location modes with different precisions are effectively connected to realize applicability transition of the location precision and realize smooth navigation effect.

The invention discloses a planning method for a route planning system in a hotspot large-scale exhibition hall. The route planning system in the hotspot large-scale exhibition hall comprises a plurality of route planning devices mounted in a hospital, wherein each route planning device comprises a recognition module, a ranging module, a communication module, a processor, a detection module and a lighting control module. The method comprises the following steps: processing information by the processor to be uploaded to a central computer by virtue of the communication module, receiving a control command distributed by the central computer, processing the received command of the central computer to be transmitted to the lighting control module by the communication module, and controlling onand off of corresponding lamps by the lighting control module; and calculating the route by the central computer, finding out the route planning devices corresponding to the nodes, and gradually transmitting light-on instructions to the route planning devices of corresponding addresses in sequence so as to realize light navigation.

The invention relates to a method for navigating port container unmanned vehicles by use of port ground lamps, comprising the following steps: acquiring travel route information of port container unmanned vehicles and identification information of the port container unmanned vehicles; determining position information of ground lamps needing to flash according to the travel route information of the port container unmanned vehicles; determining flashing color information and flashing frequency information of the ground lamps according to the identification information of the port container unmanned vehicles; and controlling the work of the ground lamps according to the position information, the flashing color information and the flashing frequency information of the ground lamps. Vehicles can be navigated efficiently, and the problem of route conflict is solved. The travel efficiency is ensured. The computing time of overall real-time monitoring and planning is reduced. The reliability of the system is ensured.

The invention provides a method for correcting the inertial navigation of an AGV based on the simulated annealing. The method acquires the required data of the error correction of the inertial navigation of the AGV through RFID (Radio Frequency Identification) electronic tags and magnetic nails; establishes equation sets for the positioning correction; and uses the simulated annealing algorithm tosolve the equation sets. The method realizes that the AGV can efficiently navigate indoors through encoders on wheels; so that the inertial navigation can also have a high precision of the positioning navigation under the condition that the cost is low.

The invention provides a WIFI vehicle-mounted navigation device based on cloud platform. The WIFI vehicle-mounted navigation device comprises a cloud corner, a vehicle-mounted information controlling device, and a navigation equipment; a WIFI transceiver is arranged in the vehicle-mounted information controlling device; the cloud corner is connected with the navigation equipment via wireless connection; and the vehicle-mounted information controlling device is connected with the navigation equipment via wired connection. According to the WIFI vehicle-mounted navigation device, road information is uploaded to the cloud corner via WIFI; the cloud corner is used for computational analysis of the road information, planning an optimal path, sending the optimal path to the navigation equipment, and realizing real-time high-efficiency displaying of vehicle operating sites and road safety status; reliability is high; and intelligent degree is high. Users are capable of knowing traffic information timely; safety pre-warning is realized; transportation efficiency is increased; and occurrence of traffic accident is reduced.

The invention relates to the technical field of indoor navigation, in particular to an urban rail three-dimensional navigation map optimization method based on a multi-source geographic information model. The method comprises the following steps of A, constructing a basic map of an urban rail transit three-dimensional electronic map, B, removing the top and the range body of the indoor space of the urban rail, C, performing path matching to obtain path information, and realizing construction of a shortest path for avoiding obstacles, and D, optimizing the view angle of the map to display the urban rail three-dimensional navigation map. According to the method, the visual matching technology and the automatic path matching technology are utilized, self-adaptive map viewing, automatic range body removing and map expression mode optimizing are achieved, the urban rail three-dimensional navigation map optimizing function is achieved, and passenger navigation experience and map understanding are improved.

Graphical user interface (GUI) based systems and methods are disclosed for regionizing full-size process plant displays for rendering on mobile user interface devices. A regionizer application receives a full-size process plant display that graphically represents at least a portion of a process plant that includes graphic representations of a plurality of process plant entities. The regionizer appdetermines display region(s) of the full-size process plant display that define corresponding view portions of the full-size process plant display. The display regions are transmitted to a mobile user interface device for rendering by a mobile display navigation app. The GUI based systems and methods can also automatically detect graphical process control loop display portions within full-size process plant displays for rendering on mobile user interface devices. The GUI based systems and methods can further refactor full-size process plant displays at various zoom and detail levels for visualization on mobile user interface devices.

The present application discloses an indoor navigation method and computer equipment based on a temporary communication channel. The method includes: counting all mobile terminals in the same designated corridor in a building; generating a virtual route; selecting all first mobile terminals; If the quantity of all the first mobile terminals is greater than the preset quantity threshold, an ascending sequence is obtained; a designated mobile terminal is selected from the ascending sequence, and a second mobile terminal is obtained; a temporary communication channel is constructed; a projection request is sent to the designated mobile terminal, Make the specified mobile terminal project a group of indicating patterns on the projection screen; identify whether there is a second mobile terminal passing through the preset area; if there is a second mobile terminal passing through the preset area, remove the group of indicating patterns from the projected Corresponding sub-patterns; until the last second mobile terminal passes through the preset area; suspending the temporary communication channel, so as to complete the navigation in the designated corridor.

The invention discloses an autonomous obstacle avoidance and navigation method for a quadcopter based on a binocular camera. The matching point pairs in two adjacent frames of images are processed through an ICP algorithm, so that the quadcopter can achieve precise positioning, and at the same time generate an image that can accurately characterize the surroundings. A dense map of the environment. Then convert the dense map into an octree map suitable for collision detection algorithms, and obtain the obstacle constraints required by the improved RRT* algorithm through the feedback results of the collision detection between the quadcopter and the octree map, and then real-time Plan possible paths. When the quadcopter flies along the planned path, it can successfully avoid obstacles and reach the preset end point.

The invention discloses a vehicle navigation method after parking space occupation, which is applied to a vehicle-mounted terminal and comprises the following steps: receiving an alarm signal sent by a parking space alarm device, and determining whether a vehicle is illegally parked at present according to the alarm signal; when it is determined that the vehicle is illegally parked currently, obtaining audio data of people in the vehicle, conducting feature recognition on the audio data, and user features are obtained; obtaining a correct parking space corresponding to the vehicle according to the user characteristics, and obtaining the position information of the correct parking space; receiving the position information of the correct parking space, taking the position information as an end point, taking the current position of the vehicle as a starting point, and generating a navigation route, so that the vehicle arrives at the correct parking space. According to the invention, after the fact that the vehicle owner parks the wrong parking space is determined, the audio data of the personnel in the vehicle are acquired and feature recognition is carried out, and the position information of the correct parking space corresponding to the vehicle is obtained according to the user features obtained through recognition, so that accurate navigation is provided to find the correct parking space, and efficient and accurate vehicle navigation can be realized after the vehicle owner parks the wrong parking space.

The invention discloses a navigation route determination method and device, a storage medium and electronic equipment. The method comprises the following steps: under the condition that a starting point and a target point are determined, acquiring a plurality of tracks passing through the starting point and the target point; determining a plurality of target trajectory points from each of the plurality of trajectories; determining a plurality of target straight lines according to all the determined target track points; determining a plurality of target straight lines with minimum included angles from the plurality of target straight lines; and determining the plurality of determined target straight lines as navigation routes between the starting point and the target point. The technical problem that the route cannot be determined by human eyes in desert, gobi or long and narrow alleys is solved.

The invention relates to a method for navigating port container unmanned vehicles by using port lights, comprising the following steps: acquiring port container unmanned vehicle driving path information and port container unmanned vehicle identification information; according to the port container unmanned vehicle driving path information Determine the position information of the ground lamp that needs to flash; determine the flashing color information and flashing frequency information of the ground lamp according to the identification information of the port container unmanned vehicle; Information to control the work of ground lamps. Efficiently navigate vehicles and resolve path conflicts. The driving efficiency is guaranteed, the calculation time of the overall real-time monitoring plan is reduced, and the reliability of the system is guaranteed.

A car rental management system based on the Internet of Things, including a vehicle sensor module, the vehicle sensor module includes an air flow sensor for detecting the intake air volume of the engine, the air flow sensor is arranged in the intake pipe of the automobile engine, and the air flow sensor passes through the signal line Connected to the ECU, the ECU can obtain engine air intake parameters; the present invention utilizes a 32-bit high-performance MCU to communicate with the automobile ECU through the OBDII interface protocol and obtain sensor data such as engine speed, air-fuel ratio, idle speed and other parameters, and the MCU module obtains After receiving the sensor data, data processing and data forwarding are performed. The data will be sent to the cloud service platform through the NB-IOT wireless network module. The cloud service platform can perform big data analysis on the data sent by the NB-IOT module, and the driver can view and analyze the data on the server through the mobile terminal device. Managers can manage vehicles, acquire real-time locations, and predict faults.

The invention discloses a vehicle navigation method, device, electronic equipment and storage medium; the method includes: acquiring vehicle surrounding environment image information, vehicle navigation data and vehicle positioning data in real time; Environmental image information and vehicle positioning data construct a three-dimensional real-scene scene map of the surrounding environment of the vehicle; control the corresponding independent display unit to display each real-scene target object in a three-dimensional form based on the three-dimensional position coordinates of the independent display unit corresponding to each real-scene target object; Positioning data and vehicle navigation data determine the position coordinates of the vehicle model and navigation route model in the 3D real scene map; based on the projection rules, according to the position coordinates of the vehicle model in the 3D real scene map and the position of the navigation route model in the 3D real scene map Coordinates, project the vehicle model and navigation route model to the corresponding position of the display component.

The invention provides a method for correcting the inertial navigation of an AGV based on the simulated annealing. The method acquires the required data of the error correction of the inertial navigation of the AGV through RFID (Radio Frequency Identification) electronic tags and magnetic nails; establishes equation sets for the positioning correction; and uses the simulated annealing algorithm tosolve the equation sets. The method realizes that the AGV can efficiently navigate indoors through encoders on wheels; so that the inertial navigation can also have a high precision of the positioning navigation under the condition that the cost is low.