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.

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.

A navigation device is constructed such that a vehicle-mounted device collects position information and movement information on a vehicle, provides a portable terminal device with the collected information, and displays image data received from the portable terminal device, and that the portable terminal device acquires map information from a map center device based on the position information and movement information received from the vehicle-mounted device, calculates the current position of the vehicle based on the position information and movement information received from the vehicle-mounted device, and creates image data formed by overlaying the calculated current position on the acquired map information.

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 relates to clear path detection through road modeling. The method involves monitoring an image from a camera, and analyzing the image through clear path detection analysis to determine a clear path of travel within the image. An area in front of a vehicle is analyzed by utilizing a topographical variation analysis to determine a flat surface upon which the vehicle is made to travel.The clear path of travel and determined flat surface are combined to describe an enhanced clear path of travel. The enhanced clear path of travel is utilized to navigate the vehicle.

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 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.

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 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 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.