141 results about "Road mapping" patented technology

An image processing system is provided, which includes: a front monitoring device that obtains an image of a view ahead of a vehicle; a vehicle position detecting device that detects the position and orientation of the vehicle; a map database that stores road maps; a traffic indicator position estimating portion that estimates the position of a traffic indicator (23) based on the shape of a road ahead of the vehicle that has been extracted from the map database, according to the position of the vehicle that has been detected by the vehicle position detecting device; an image processing region setting portion that sets an image processing region within the image obtained by the front monitoring device based on the position of the traffic indicator that has been estimated by the traffic indicator position estimating portion; and a traffic indicator detecting portion that detects the traffic indicator from the image processing region.

A method of determining a three-dimensional (3D) position of a catheter tip includes: compensating a 2D position of the tip of the catheter for respiratory motion to generate a compensated 2D catheter position, generating weighted sample points around the compensated 2D catheter position, determining correspondent points of the weighted sample points in a 3D image, computing a weighted mean and a weighted covariance of each correspondent point, and determining the 3D position of the catheter tip in the 3D image from a fusion of the weighted means and weighted covariances.

A system and method for making computer-generated maps includes a different scale factor for each road in a route. The scale factors are used to optimize the route map against a target function that considers factors such as the number of false intersections in the route and the number of roads falling below a minimum length threshold. A refinement technique such as simulated annealing is used to find a solution to the target function. Each road in the scaled map is rendered to provide a finished product having the appearance of a hand-drawn map. The finished product includes context roads that intersect the main route but are not part of the main route. Furthermore, the hand-drawn map is optimized to the characteristics of the viewport used to visualize the map.

The present invention provides system and method for creation of a road map, the system comprising a plurality of navigation devices; and an application server to receive from the plurality of navigation devices time series of location points, and to create a road map based on the time series of location points. The method comprising receiving location points from plurality of navigation devices, along with respective time stamps indicating the time of recordation of each of the location points; identifying at least one route according to the location points and respective time stamps; and creating a road map based on the at least one route.

A method and system for providing a closed route for travel features a database having geographic information and input information including a starting point and a desired route length. The geographic information from the database and the input information are processed to define an outbound path from the starting point to a turning point, the turning point determined based on the desired route length, and to define an inbound path from the turning point to the starting point, the outbound path and the inbound path together defining the closed route. A representation of the closed route may be output as a static map, interactive map or a turn-by-turn listing.

In one form of the present invention, there is provided an apparatus for producing a virtual road map of a patient's vascular anatomy for use by a surgeon while conducting a procedure on the patient's vascular anatomy, the apparatus comprising: a virtual 3D model of the patient's anatomy, wherein the virtual 3D model comprises a virtual 3D structure representing bony structure of the patient and a virtual 3D structure representing vascular structure of the patient, with the virtual 3D structure representing bony structure of the patient being in proper registration with the virtual 3D structure representing vascular structure of the patient; a fluoroscope for providing real-time images of the bony structure of the patient and a surgical device being used in the procedure; registration apparatus for placing the virtual 3D model in proper registration with the patient space of the fluoroscope; bone mask subtraction apparatus for (i) generating a bone mask of the bony structure of the patient, and (ii) subtracting the same from the real-time images provided by the fluoroscope, whereby to create modified fluoroscope images omitting bony structure; and image generating apparatus for generating the virtual road map, wherein the virtual road map comprises a composite image combining (i) images of the virtual 3D structure representing vascular structure of the patient, and (ii) modified fluoroscope images omitting bony structure, wherein the images of the virtual 3D structure representing vascular structure of the patient are in proper registration with the modified fluoroscope images omitting bony structure.

A system and method for making computer-generated maps includes a different scale factor for each road in a route. The scale factors are used to optimize the route map against a target function that considers factors such as the number of false intersections in the route and the number of roads falling below a minimum length threshold. A refinement technique such as simulated annealing is used to find a solution to the target function. Each road in the scaled map is rendered to provide a finished product having the appearance of a hand-drawn map. The finished product includes context roads that intersect the main route but are not part of the main route. Furthermore, the hand-drawn map is optimized to the characteristics of the viewport used to visualize the map.

This is a positioning and road mapping method. The road number labels are attached evenly to certain fixed objects along the streets like street lamp columns to accurately position all places along the streets. Working with database and searching system, it is easy to find the place known its number or name. The database is upgradeable in real time and be used to avoid traffic jam.

A medical viewing system with an X-ray image acquisition device for acquiring angiograms and interventional live images of vessels is adapted for generating a region of interest border into which an object referenced by an object-based registration process must extend in order to achieve an accurate registration of vessel trees extracted from the angiogram and the live images. The region of interest border is then overlaid onto the vessel tree images and the live images. The medical viewing system reminds the person accomplishing the intervention of the importance of pushing the object far enough into the image, while being discrete enough to be ignored if preferred, thus yielding in a reliable and precise road mapping processing.

A travel coordination system provides suggestions to providers for where they should go to reduce the wait time between trips. A geographic region is broken down into zones and a score is generated for each zone. A zone score can be generated by determining the estimated wait time for the zone and generating a model for the wait time. A zone score can also be generated using a model for the wait time using factors that likely contribute to the wait time. The zone score for each zone is displayed to the provider on a road map of the geographic region along with the boundaries of each of the zones and the provider's position within the region. The travel coordination system also suggests driving routes. The travel coordination system selects a target zone and generates candidate routes to the zone. A route is selected based on route scores.

The invention provides a pair of navigation glasses, a navigation method and a navigation system.The navigation glasses comprise a glasses body, a radar detection module, a communication module and a projection module, wherein the radar detection module is arranged on the frame area of the glasses body and used for collecting road block information in the navigation road condition; the communication module is arranged on the glasses body and used for being connected to a navigation server so that path image information of the navigation road condition can be obtained; the projection module is connected to the radar detection module and the communication module, comprises two or more projectors, is used for conducting superposition processing on the road block information and the path image information so that image information of the navigation road condition can be generated, and the two or more projectors can be controlled to project the image information of the navigation road condition to the vision area of the glasses body.By means of the technical scheme of the navigation glasses, the navigation method and the navigation system, driving experience of a user is promoted, and safety and comfort are enhanced when the user goes out.

The present invention relates to a method for automatic road mapping for heart valve replacement and an examination apparatus for automatic road mapping for heart valve replacement. In order to provide the cardiologist or surgeon with better information during PHV implantation, an examination apparatus for automatic roadmapping for heart valve replacement is provided, that comprises at least one X-ray image acquisition device (10), a calculation unit (18) and a display device (20). The image acquisition device is adapted to acquire (32) at least one X-ray image of a vessel root region of a heart with injected contrast agent and to acquire (46) at least one current fluoroscopy image of the vessel root region with a replacement valve inserted into the vessel. The calculation unit is adapted to identify (34) vessel information data within the at least one acquired image, to model (36) vessel root representation using the vessel information data and to generate (44) a composite image by a combination of the model of the vessel root representation with the at least one fluoroscopy image. The display unit is adapted to display (48) the composite image.

The invention relates to a GPS non-graphical navigation warning indicator, which is characterized in that a microprocessor unit is connected with a USB transmission unit. When in use, a user utilizes the USB transmission unit to connect with a computer to download a planed route, a route chart on the network or a route planed by other users, in the traveling process, a satellite signal processing unit connected with the microprocessor unit can be utilized to process satellite signals received by a satellite signal receiving unit, the position of the user and the traveling track of the user, therefore, broadcasting and guiding can be carried out in advance according to the downloaded and stored route chart, and the user can travel to a destination according to the route planned in advance. In addition, when the user separates from or go beyond the planning route, the microprocessor unit can store the traveling track route of the user through a data storage unit so that the user can be guided to the original planning route when the user wants to return. Therefore, the practical and convenient values of the GPS non-graphical navigation warning indictor are increased in the integral execution and use.

The present invention relates to a method and system for providing voice-based supplementary information service using road map data. The voice-based supplementary information service system includes a content registration server for receiving content for the voice-based supplementary information service, and converting the content into supplementary information data having voice data format. At least one GPS satellite detects a location of the mobile communication terminal and transmits GPS radio waves, including the location information. A mobile communication terminal receives the location information and requests the road guidance service and the supplementary information service. A relay server relays requests for the road guidance service and the supplementary information service. A road search server generates road map data and transmits the road map data to the relay server. A user management server determines whether the request for the supplementary information service exists in the road map data. An information provision server verifies the type of supplementary information service, receives supplementary information data corresponding to the type from the content registration server, and generates supplementary information-added data in which the supplementary information data is included in a data area of the road map data.

A method, an apparatus and a computer program for real-time generation of functional road maps. The method comprises obtaining a real-time input from a sensor mounted on a vehicle, that captures a front view of a road ahead of the vehicle and processing thereof by a neural network to generate a functional map of the road ahead of the vehicle. Each pixel in the functional map is associated with a predetermined relative position to the vehicle. A content of each pixel is assigned a set of values, each of which represents a functional feature relating to a location at a corresponding predetermined relative position to the pixel. The processing is performed without relying on a pre-determined precise mapping. The method further comprises providing the functional map to an autonomous navigation system of the vehicle, to autonomously drive the vehicle in accordance with functional features represented by the functional map.

A system for a vehicle operating on a road includes a vehicle placement module that references, based on a geographic position of the vehicle, a road mapping database to identify a selected lane of the road where the vehicle is located. A lane assignment module (i) receives information indicating identification of an object in the road and (ii) determines a relative lane of the object with respect to the selected lane. A curvature plotting module determines a curvature line of the selected lane. An object placement module (i) determines a first distance value representing a shortest distance between the object and the curvature line and (ii) determines whether the relative lane of the object is the selected lane based on the first distance value and a lane width value. An alert generation module selectively generates an alert signal in response to the object being in the selected lane.

A driver assistance system and a method for storing additional information for a road map for a driver assistance system are provided, the supplementary information concerning location- and / or time-specific compliance with traffic rules being stored. The supplementary information is taken into account by the driver assistance system.

The invention provides a floating car data processing method based on improved amplitude limiting average filtering. The floating car data processing method comprises the following steps, carrying outdata input, characteristic analysis, state analysis based on FCD (Floating Car Data) distribution, road intersection structure analysis, FCD and road mapping analysis so as to obtain a spatial distribution pattern of a floating car track; carrying out FCD data preprocessing, carrying out three-stage partitioning on floating car data on the basis of a city road vector diagram and road intersectionturnout planning specifications according to road nodes, road types and road gaps respectively, and taking partitioned sections as basis study units; carrying out track center line fitting and data conversion and integration, and with the combination of floating car track geometrical characteristics, motion characteristic change rules and spatial distribution rules of floating car data, carryingout floating car data filtering based on improved amplitude limiting average filtering. The technical scheme of the invention has the advantages of being convenient in operation and efficient in algorithm, practical data sources can be provided for later techniques that lanes are widened according to floating car data exploration, and exploration precision is correspondingly improved.

The invention discloses a vehicle-mounted trajectory and mileage monitoring and recording system including a mobile device and a cloud server; the mobile device adopts an ARM main control chip to respectively be communicated with a network module and a GPS module; a cloud server terminal controls service ID distribution and data parallel processing and distribution; when a task termination signal is received, a monitoring result is stored into a database; a self-adaptive Kalman wave filter is used for filtering original GPS data and simultaneously can calculate user real-time terminal information, obtained effective data are positioned and annotated in map service by using an improved vertical projection matching algorithm, and a vehicle driving route is eventually generated. The system can realize multi-platform simultaneous checking of the real-time monitoring data, greatly improves fluctuations and disturbances by using a single device for collecting the GPS data in cities, and also can generate an intuitive route map according with reality and user habits.

The method provides a road mapping method and device. The method comprises the steps that a drawing tool receives the positioning result, which is sent by an on-board receiver, of each to-be-measured point; the positioning result of each to-be-measured point is acquired by the on-board receiver according to the satellite signal, which is sent by a mapping antenna, of each to-be-measured point; mapping antennas are placed according to a preset placement rule, wherein the preset placement rule is that the mapping antennas are successively on the to-be-measured points of lane border lines same as the vehicle traveling direction of the on-board receiver along a first direction, and the first direction is not parallel to the vehicle traveling direction of the on-board receiver; a drawing tool determines the coordinate point of the positioning result of each to-be-measured point in an area to be drawn; and the drawing tool determines the lane of each coordinate point and draws a lane map according to the time order of the positioning result of each to-be-measured point and the preset placement rule. The problems of hidden dangers and low mapping efficiency of the existing surveying method are solved.

The invention relates to a detection system (84) and to a method for detecting vehicles (72) equipped with a position determination system (74), as they use certain routes (10). According to the invention, a vehicle transmits its received coordinate signal (78) to the detection system (84). Selected routes (10) of a digital route map (86) are divided into appropriate sectors (26, 28, 30, 32, 34). Each sector (26, 28, 30, 32, 34) is in turn divided into digital rectangular sectors (36, 38, 40, 42, 44) in such a way that the rectangular sectors (36, 38, 40, 42, 44) can be allocated to the coordinates of the respective vehicle (72) that has been detected.

The invention belongs to enterprise application, and relates to a multi-route planning method and system, in particular to an intelligent regular bus multi-route planning scheduling and management system. The system comprises a remote service center server, a regular bus operation management system, a multi-route analysis planning system and a vehicle real-time management system. The planning, scheduling and management system inputs address information through employees, a more reasonable and economic route planning scheme is given by the system through data analysis, passengers can check allregular bus route maps through the mobile terminal, and real-time positions of the regular bus, to reasonably arrange time. Problems that existing enterprise regular buses are difficult to manage, route planning and scheduling are serious and unreasonable, passengers spend a lot of time and the like are solved. The daily commuting time of employees is shortened, the riding experience of the employees is improved, the working efficiency and the living quality of the employees are improved, and meanwhile various expenses generated by operation management of the enterprise regular buses are effectively reduced.

Systems and methods for contextual alerts during ground operations are provided. The system generates unique alerts for each type of hot-spot and commands a display system to render an image of the route, the relevant signage features, and the hot-spots. The system receives an assigned runway and references an airport features database to construct a route and travel direction for the aircraft. The system analyzes the signage features associated with the route and identifies the relevant signage features. The system processes the route with external inputs, such as notices to airmen (NOTAM), traffic data, and novel rules and data tables, from which the system identifies various kinds of hot-spots. The hot-spots include those that are aerodrome design based, those that are traffic related, and those that are temporal, based on short term closures or operational scenarios.

Automatic generation of a road map of a site can be performed. Data records collected by vehicles with a GNSS-positioning system while driving are provided, each data record having a position information representing a two-dimensional or three-dimensional position of the vehicle, an identification reference specific to a corresponding vehicle, a time tag, and a heading information. The data records are assigned to corresponding trips based on the time tag and the identification reference. The trips are mapped within an area and the area is divided into a plurality of uniform tiles. For each tile, a heading information variance of the data records covered by the respective tile is determined. A tile is defined as junction tile, if the tile has a heading information variance higher than a computed threshold variance. An area of interest (AoI) having a perimeter is determined by which a plurality of junction tiles is surrounded.

The invention discloses a remote control method for automatic driving based on an artificial intelligence Internet of Things platform, and the method comprises the steps: obtaining vehicle real-time information detected by an intelligent rod management system, carrying out the preprocessing of the vehicle real-time information through the artificial intelligence Internet of Things platform, and obtaining the information of a target vehicle, the target vehicle information is modeled through an artificial intelligence digital twin cloud platform to obtain a corresponding digital model; sending the digital model to a wearable virtual / reality interaction device for display, and obtaining a real-time control instruction through the wearable virtual / reality interaction device; and controlling the unmanned vehicle through the real-time control instruction according to the digital model. According to the method, remote control over the unmanned vehicle can be achieved, remote emergency vehicle moving, current road condition pre-judgment and warning are facilitated, and a proper driving route map and a proper parking space are found in real time.

A method of collecting road sign information using a mobile mapping system, which can collect information on the markings on the road in real-time and map the information to a high definition map using the mobile mapping system including a remote sensing device and a navigation device is disclosed. Particularly, the system may collect correct road marking information in real-time by extracting objects and attributes from successive images on the basis of deep learning and map the road marking information to a high definition map, and remarkably improve accuracy of recognizing the road marking information. Accordingly, reliability and competitiveness may be enhanced in the autonomous driving field, the road recognition field, the high definition road map field for autonomous driving, and the fields similar or related thereto.

An autonomous golf ball picking system configured to pick up golf balls from an outdoor environment. The system includes a route map defining a path to pick up golf balls from the ground. The route map is in a computer readable format. An unmanned ground vehicle having a base unit having an internal ball retention compartment, a ball picking roller configured to pick up golf balls from the ground and to deposit the picked-up golf balls into the internal ball retention compartment, at least two linked wheels, each of the at least two linked wheels driven by an independent motor and configured to move the unmanned ground vehicle around the ground, a battery to provide power to the unmanned ground vehicle, and an unmanned ground vehicle computer system. The computer system is capable of reading the route map and sending directional instructions to the independent motors in order to drive the unmanned ground vehicle along the path set out according to the route map. The system further includes a docking station configured to receive the unmanned ground vehicle upon completion of picking up golf balls according to the route map. The docking station having a golf ball receiving bin configured to receive the picked golf balls from the internal ball retention compartment and to recharge the vehicle's battery.

The invention discloses a regional traffic guidance method and system based on traffic intersection traffic flow identification and statistics. The method comprises the steps of: obtaining a traffic lane route map of a target region, and determining a key intersection set of the target region according to the traffic influence of each intersection in the target region on the target region; obtaining the monitoring video data flow of each key intersection in the key intersection set, and identifying and counting the traffic flow data of each phase of each key intersection; and for any key intersection O, comparing the traffic flow data of each lane of the key intersection O with a corresponding traffic flow threshold, and when judging that the traffic flow data of any lane of the key intersection O is greater than the corresponding traffic flow threshold, adjusting the traffic light signal of the key intersection O to relieve the traffic flow congestion of the key intersection O. By preferentially adjusting the congestion of the key intersection which has great influence on the traffic of the target region in the target region, the congestion in the region can be quickly and effectively adjusted.

The invention provides an intelligent environmental sanitation data management platform and method. The method comprises the following steps: acquiring position information of an environmental sanitation vehicle in real time; acquiring state information of the sanitation vehicle in real time; storing position information and state information of the sanitation vehicle; generating a working route map and a position distribution map of the environmental sanitation vehicle according to the position information and the state information stored in the storage module, wherein a display module is used for displaying the current position, the working state and the working route of the environmental sanitation vehicle; performing query and statistics according to the position information and the state information; and acquiring an environmental sanitation problem and / or a route problem, and determining an optimal path of the environmental sanitation vehicle according to the working route map, the position distribution map, the state information, the environmental sanitation problem, the route problem, a preset nearest neighbor algorithm and the optimal distance to match a corresponding environmental sanitation vehicle for a to-be-cleaned area. When a garbage can is about to be full, a manager can receive a processing signal at a platform end and dispatch an environmental sanitation vehicle in time to clean the garbage can.

The invention discloses a community intelligent parking system, which comprises a monitoring module, a vehicle identification module, an information processing module, a barrier gate control module and a plurality of mobile terminals, and is characterized in that the plurality of mobile terminals are mutually connected, and each mobile terminal comprises a display module, an address book module and a communication module; the monitoring module, the vehicle identification module, the display module, the address book module and the communication module are in signal connection in sequence; the display module is used for displaying parking space conditions and road conditions in a community, the vehicle identification module is used for acquiring license plate numbers and vehicle position information and generating an optimal parking route map required by a user according to the combination of the vehicle position information, the monitoring module and the display module, and the mobile terminal communicates with a vehicle owner if traffic jam occurs and traffic jam vehicles are identified to notify the vehicle owner causing the traffic jam to move away the vehicle. Once the road is unsmooth and the traffic flow is large, an optimal parking route map can be generated, so that the time spent in finding the parking space is reduced, and if traffic jam occurs, the owner of the traffic jam can be quickly contacted.