69 results about "Route recognition" patented technology

The invention provides a vehicle enterprise APP intelligent assistant navigation method and system based on a large model. The method relates to collection of user navigation requirements and identification of key entities and user intentions by using a large language model. And when the navigation intention is identified, generating a navigation route through map data and a path planning algorithm in combination with the current position and the target position. And when the vehicle control intention is identified, remotely controlling the vehicle through a vehicle control interface. And when the intention is identified as the information query intention, relevant information is retrieved and displayed from the vehicle information base. And collecting user feedback, an optimization model and a navigation strategy. The navigation demand information comprises text and voice information. The navigation requirement understanding of the user is improved through the large language model, tedious operation is avoided, and the access efficiency and the user experience are improved. Personalized and real-time recommendation is realized, real-time information is provided according to requirements and environments, and travel route planning is optimized. Dialogue management supports multiple rounds of dialogues and deep interaction, complex requirements are effectively processed, and the ability to deal with complex scenes is improved.

The invention belongs to the technical field of heat supply pipeline accessory identification, and discloses a direct burial heat supply pipeline accessory accurate geophysical prospecting detection system based on multi-sensor fusion. Comprising a mobile detection equipment setting module, a heat supply pipeline route identification module, a heat supply pipeline data acquisition module, a heat supply pipeline data analysis module, an influence factor data analysis module, a data abnormal condition identification module, a heat supply pipeline accessory identification module and a data storage library. According to the method, the influence possibly caused by the soil factor data and the influence factor data between the sensors is comprehensively considered during data abnormal condition identification, so that whether the pipeline accessories exist or not is comprehensively judged, and the accuracy and reliability of system detection can be improved. According to the invention, comprehensive analysis is carried out based on the data abnormal conditions of the electromagnetic sensor, the ultrasonic sensor and the geomagnetic sensor when the abnormal conditions of the monitoring data of the target heat supply pipeline at the current monitoring section are analyzed, so that the detection accuracy and reliability can be improved.

The invention relates to the technical field of vehicles, and discloses an expressway free policy-based driving route optimization method and system, an electronic device, a storage medium and a vehicle, and the method comprises the steps: responding to a driving route set by a user, identifying whether the driving route comprises an expressway section, responding to the obtained current time, and determining whether the driving route comprises the expressway section; judging whether the current time is in a high-speed free policy period or not, namely comparing the current time with a policy database; on the basis of the driving route and in combination with the expressway section information, predicting a route end point and predicted time for arriving at each toll station; and based on the prediction result, optimizing the driving route and reminding the user, including judging whether the user may miss the expressway free policy or not, and dynamically planning the driving route according to the judgment result and generating corresponding reminding information. According to the invention, free policies of the expressway can be enjoyed to the greatest extent, the expressway congestion is effectively reduced, and the occurrence of traffic accidents is reduced.

The invention provides a driving route recognition system and method, electronic equipment and a readable medium, and belongs to the field of intelligent driving. According to the processed original image and preset navigation information, navigation and road condition information guidance are provided for a driver or intelligent driving is provided for the driver, and according to the intelligent driving technology provided by the patent, an intelligent driving auxiliary system with the core target of solving driver navigation confusion under complex road conditions is constructed. Through deep fusion of high-precision visual perception and map navigation information, strong road identification judgment logic is utilized, when a driver actively requests or a system pre-judges needs, an intelligent driving module provides accurate vehicle control assistance, and clear navigation prompts are combined to jointly ensure that a vehicle safely and correctly passes through a complex road scene, so that the driving safety of the vehicle is improved. And the driving convenience and safety are obviously improved. Voice input is a key link of man-machine cooperation.

Systems and techniques are described for implementing autonomous control of earth-moving vehicles, including to automatically determine and control movement around a site having potential obstacles. For example, the systems / techniques may determine and implement autonomous operations of excavator vehicle(s) (e.g., obtain / integrate data from sensors of multiple types, and use it to determine and control movement of the excavator vehicle around a site), including in some situations to implement coordinated actions of multiple excavator vehicles and / or of an excavator vehicle with one or more other types of earth-moving vehicles. The described techniques may further include determining current location and positioning of the excavator vehicle on the site, determining a target destination location and / or route of the excavator vehicle, identifying and classifying obstacles (if any) along a desired route or otherwise between current and destination locations, and implementing actions to address any such obstacles.

A graphical user interface and a system are provided which include a route identification interface element which specifies a new route for a vehicle, a plurality of route type buttons, a vehicle type interface, a stop order interface, a map, a control button, and an assignment button. The stop order interface identifies one or more stops for a vehicle in a fleet of vehicles. The map identifies the new route and the one or more stops graphically on the graphical user interface. The control button provides a utilization view for the one or more vehicles in the fleet of vehicles from which a vehicle from the one or more vehicles in the fleet of vehicles that are available can be assigned to the new route.

The invention belongs to the technical field of intelligent driving assistance and automobile simulation, and discloses a lane keeping assistance real-time simulation and visualization method. The method comprises the following specific use steps of S1, software GUI interface display and Carsim connection; S2, image preprocessing and road line recognition; S3, road parameter calculation and display; S4, vehicle initial driving control; according to the invention, road surface driving simulation and image output functions of Carsim software are integrated, the application capability of the Carsim software is further expanded, an additional tool is innovatively developed, the tool not only integrates an advanced lane image recognition technology, but also is embedded with a lane keeping auxiliary strategy execution module, and the integrated design enables the vehicle to be capable of realizing the lane keeping auxiliary strategy execution under the simulated LKA working condition. And the lane keeping capability is displayed in real time.

Optimizing a charger network is provided. For each vehicle trip of a plurality of vehicle trips defined by trip information maintained to a storage, a set of possible routes from an origin location of the respective vehicle trip to a destination location of the respective vehicle trip is generated using a routing algorithm. Best routes are identified based on the set of possible routes. Individual charger recommendations are identified using the best routes. Collective charger recommendations across the plurality of vehicle trips based on the individual charger recommendations. The collective charger recommendations are utilized to optimize the charger network.

The present invention discloses a mobile measurement method and system for road line identification, and relates to the technical field of road line measurement. The method comprises: a measuring vehicle is equipped with measuring equipment, and road data is collected along a predetermined measurement route, and the collected data is transmitted to a cloud platform; the cloud platform merges the data collected by different measuring equipment to obtain a comprehensive road data set; the cloud platform reads the image data of the road line at each collection time point from the comprehensive road data set, and uses a continuity detection function to identify the road section where the road line is missing from the image data of the road line; the cloud platform completes the road line based on the road line prediction model and the comprehensive data of the road line missing section, as well as the known road line image data before and after the road line missing section; the cloud platform exports a complete road line file of the predetermined measurement route according to the selected output format. The present invention can adapt to the measurement and identification of road lines in complex and changeable road environments.

To provide a travel route recognition device capable of accurately recognizing even relatively distant travel routes.SOLUTION: A travel route recognition device 10 includes: a distant parking zone line recognition unit 11 that recognizes a parking zone line PL2 that exists at a distance in the direction of travel using a distant image in the direction of travel of a vehicle acquired by a distant image capturing device 21 mounted on the vehicle; a neighborhood information recognition unit 12 that recognizes a linear structure existing in the neighborhood of the vehicle using at least one of an image taken in the neighborhood of the vehicle acquired by the neighborhood imaging device 22 mounted on the vehicle and sensor information in the neighborhood of the vehicle acquired by the sensor 32 mounted on the vehicle; a correction unit 14 that corrects the recognition result of the parking zone line recognized by the distant parking zone line recognition unit using the recognition result of the linear structure recognized by the neighborhood information recognition unit; and a travel route setting unit 15 that sets a travel route using the information of the parking zone lines after the correction is made by the correction unit.SELECTED DRAWING: Figure 1

The technology involves identifying suitable pickup and drop-off locations based on detected pedestrian walking paths. Mapped areas have specific physical configurations, which may suggest places to pick up or drop off a rider (or a delivery). A walking path heatmap can be generated based on obtained historical and / or real-time pedestrian-related information, which can be obtained by autonomous vehicles driving in areas of interest. Incorporating heatmap information into the evaluation, the system identifies locations for optimized pickup or drop-off in accordance with where pedestrians would likely go. One aspect involves classifying different objects, for instance identifying one or more objects as people who may be walking versus riding a bicycle. Once classified, information about the paths is used to obtain a the heatmap associated with the walking paths.

An object of the system according to the embodiment is to make it easy to record a route during mountain climbing or hiking, specify a place where animals and plants are captured, and grasp a real-time position of a group member.SOLUTION: A system includes a route recording part, an image authentication part, and a position grasping part. The route recording unit records a route along which the user has walked, a walking time, a captured photo (and a capturing location thereof), a comment, and a recording memo as a log. The image authentication unit authenticates the image of the animal or plant recorded by the route recording unit. The location grasping unit grasps the real-time locations of the group members recorded by the route recording unit.SELECTED DRAWING: Figure 1

The invention belongs to the technical field of computer data processing and intelligent traffic information processing, and provides a differentiated vehicle navigation method and system.The differentiated vehicle navigation method specifically comprises the steps that firstly, the traffic efficiency of a congested intersection is collected for a vehicle through a client, adjacent candidate routes are recognized from navigation, and parallel intersection nodes are recognized; and then calculating the following resistance of each parallel intersection node by combining the intersection passing efficiency of the traffic flow, and finally optimizing the main candidate route according to the following resistance of each parallel intersection node. A direct and computable mathematical basis is provided for traffic pressure bearing of parallel intersection node groups and pressure bearing balance optimization of adjacent candidate routes, and pre-allocation and differentiation induction are implemented on different vehicles at a navigation logic end, so that the vehicles avoid low-acceptance nodes and share high-pressure bearing nodes, a more stable and smoother traffic network is formed, and the traffic load of the vehicles is reduced. Especially, the same performance of a network at an expressway intersection can be effectively shared. And the queuing length and delay of the hotspot intersection in the peak period are obviously reduced.

The invention discloses an integrated digital design system and method for upper and lower structures of a bridge, and relates to the technical field of bridge design and computers, a system is created through a computer programming technology, and the functions of intelligent modeling of the upper and lower structures of the bridge, one-key generation of a finite element analysis model and one-key output of a calculation report can be achieved. The system mainly comprises a parameter database, an upper model database, a lower model database, a route identification module, a geological parameter identification module and an integrated intelligent analysis module. Design parameters of upper and lower structures of a bridge are classified and refined to form a universal modular parameter input system, corresponding design parameters of external routes and geological files are automatically identified, and finally all the modules are intelligently integrated to automatically form a complete upper and lower integrated finite element analysis model. The system can improve the calculation and design efficiency of the bridge structure and reduce the design cost.

The course DB stores a plurality of combinations of the layout of a course and the measurement reference position of that course. The course identification unit refers to the course DB and identifies the course traveled by the racing vehicle based on the route traveled by the racing vehicle. The travel time measurement unit measures the travel time of the racing vehicle based on the measurement reference position of the identified course, the vehicle position information of the racing vehicle, and the vehicle position acquisition time associated with each vehicle position information, and stores the information indicating the course and the measured travel time in the travel time DB. The information indicating the course and the measured travel time are associated and stored in the travel time DB. The provision processing unit provides multiple travel times associated with the same course to the user.

The present invention relates to a system for providing route guidance through a waterway to a user. The system comprises: an interface comprising a plurality of display elements, the display elements being configured to: display a map of the waterway and surrounding area; receive an origin and a destination on the waterway from the user; display a control enabling the user to request route guidance from the origin to the destination through the waterway; display on the map of the waterway a plurality of routes taken between the origin and destination by a plurality of corresponding navigators; identify at least one of the plurality of routes taken by at least one of the plurality of navigators having local knowledge of the waterway; and display at least one recommended route from the origin to the destination.

Aspects and implementations of the present disclosure address shortcomings of the existing technology by enabling routing of an autonomous vehicles (AV) by identifying routes from a first location to a second location, identifying a target efficiency value of autonomous driving along a respective route, determining, in view of historical data for the respective route and using one or more randomized conditions, a confidence level associated with the target efficiency value, selecting, based on the target efficiency values and the associated confidence level, a preferred route, and causing the AV to select the first route for travel from the first location to the second location.

The invention belongs to the technical field of multi-modal data fusion identification, designs a photoelectric-radar space-time cooperative pulse route identification method, realizes efficient fusion and utilization of multi-modal data, and achieves the effect of accurately identifying a target when a modal part is lost or interfered. Compared with an existing method, the method can be applied to the condition of mode missing, and the application scene is wider. Time sequence-space joint embedding is specially used for space-time alignment feature extraction processing of photoelectric and radar data, the feature extraction capability of the radar data is higher, and a multi-modal data fusion recognition task is facilitated. Meanwhile, a gating routing dynamic selection mechanism is introduced, robust features can be clearly learned from missing modal data, and missing modal masks are selectively added through gating in the reasoning stage to improve the interpretability of the result.

The invention relates to a method and device for determining a lane topological relation based on point coordinates. The method for determining the topological relation of the lanes based on the point coordinates comprises the steps of comparing the point coordinates corresponding to the lane center lines of any two lanes based on the point coordinates corresponding to the lane center lines of a plurality of lanes in an area where a vehicle is located, and obtaining the distance between the same X coordinate points corresponding to the lane center lines of any two lanes; based on the distance between the same X coordinate points corresponding to the lane center lines of any two lanes, determining two lanes with a road coincident section in the multiple roads and road coincident coordinate points; and based on the point coordinates corresponding to the lane center lines of the two lanes with the road coincident section and the road coincident coordinate points, determining the road topological relation between the two lanes with the road coincident section, thereby effectively improving the route identification accuracy in the automatic driving process of the vehicle, and improving the automatic driving safety of the vehicle.

The invention provides a frequently-running route identification method, device and equipment and a readable storage medium, and the method comprises the steps: projecting a plurality of historical position points of at least one target object into a coordinate grid, carrying out the statistics of the thermal value of each grid, enabling the thermal value of each grid to be equal to the sum of the quantized values of all historical position points in the grid, and enabling the sum of the quantized values to be equal to the sum of the quantized values of all historical position points in the grid; the quantized value of each historical position point is positively correlated with the speed of the target object at the acquisition time; marking the plurality of grids with the maximum thermal values as target grids; and recognizing the frequent running route according to the target grid. According to the method and the device, the thermal value statistics of the grid takes the historical position point as a unit and does not need to fit the trajectory, so that the calculation efficiency is ensured, the quantized value of the historical position point is positively correlated with the speed, the influence of the distance between the points is reduced, the accuracy is ensured, and compared with the existing scheme, the accuracy and the calculation efficiency are both considered.

A method can include generating, based on user attribute data, a plurality of period attributes vectors, each period attributes vector corresponding to a user of a plurality of users. A method can include determining, based on the plurality of period attributes vectors, a first set of nearest neighbors. A method can include generating, based on interaction data, a word embeddings matrix using a machine learning model. A method can include determining, using the word embeddings matrix, a second set of nearest neighbors that is a subset of the first set of nearest neighbors. A method can include determining, using historical user intents data, a historical user intents matrix. A method can include determining, based on the second set of nearest neighbors and the historical user intents matrix, one or more recommended intents for a user. In some implementations, a method can include determining a recommended user treatment.

The invention relates to a method and device for determining a lane topological relation based on a polynomial equation. The method for determining the topological relation of the lanes based on the polynomial equations comprises the steps that on the basis of a Newton iteration method, polynomial solution is conducted on the polynomial equations corresponding to lane center lines of any two lanes in multiple lanes with the distance between the two lanes smaller than a first threshold value as an objective function, and the two lanes with the intersection relation are determined; on the basis that the intersection position of the two lanes with the intersection relation serves as the starting position, step serves as the step length, dependent variables of the polynomial equation are increased or decreased progressively, and the point position corresponding to the dependent variables of the polynomial equation when the distance between the two lanes is larger than a second threshold value is determined; and based on the intersection position of the two lanes having the intersection relation and the point positions, determining the road topological relation between the two lanes having the intersection relation, thereby effectively improving the route identification accuracy in the automatic driving process of the vehicle.

The application provides a three-dimensional road line extraction method and related equipment, comprising: obtaining binocular image data and inertial navigation positioning data of a research area based on a vehicle-mounted platform; performing parallax estimation on the binocular image data according to the inertial navigation positioning data to obtain a visual three-dimensional point cloud; determining a region with the binocular camera as the center and a preset distance as the radius as a target region in the research area, extracting the visual three-dimensional point cloud in the target region, and converting the visual three-dimensional point cloud in the target region to obtain a road surface bird's-eye view and a point cloud elevation map of the target region; inputting the road surface bird's-eye view and the point cloud elevation map into a lane line detection network to extract a road line, and obtaining a three-dimensional road line and a three-dimensional coordinate of the road line; compared with the prior art, the problems of low precision, poor robustness and high detection cost of the current road line recognition method in vehicle-mounted images are overcome, and the efficiency and quality of road line detection in vehicle-mounted images are improved.

A graphical user interface and a system are provided which include a route identification interface element which specifies a new route for a vehicle, a plurality of route type buttons, a vehicle type interface, a stop order interface, a map, a control button, and an assignment button. The stop order interface identifies one or more stops for a vehicle in a fleet of vehicles. The map identifies the new route and the one or more stops graphically on the graphical user interface. The control button provides a utilization view for the one or more vehicles in the fleet of vehicles from which a vehicle from the one or more vehicles in the fleet of vehicles that are available can be assigned to the new route.

This control device for controlling a mobile body comprises: a travel route recognition means for recognizing a travel route; a tracking processing means for tracking the travel route; an instruction recognition means for recognizing a direction instruction of a user; and a control means for controlling movement of the mobile body on the basis of the recognition result of the travel route recognition means, the processing result of the tracking processing means, and the recognition result of the instruction recognition means.

The embodiments of the present invention provide a route identification method, device, electronic device and storage medium. The route identification method includes: obtaining a route to be identified and pre-generated associated information, wherein the route to be identified includes multiple road sections to be identified, and the associated information is used to indicate a closed area, entrances and exits associated with the closed area, and key road sections associated with the entrances and exits; based on the associated information, determining whether the multiple road sections to be identified include key road sections; based on the associated information and the number of key road sections included in the multiple road sections to be identified, identifying whether the route to be identified crosses a closed area. In the process of path planning, the embodiments of the present invention can identify whether the route to be identified crosses a closed area, avoid planning routes that cross closed areas, improve the accuracy of route planning, and enhance user experience.

This invention discloses an integrated digital design system and method for bridge superstructure and substructure, relating to the fields of bridge design and computer technology. This invention creates a system using computer programming technology that enables intelligent modeling of bridge superstructure and substructure, one-click generation of finite element analysis models, and one-click output of calculation reports. The system mainly includes a parameter database, a superstructure model database, a substructure model database, a route identification module, a geological parameter identification module, and an integrated intelligent analysis module. The design parameters of the bridge superstructure and substructure are categorized and refined to form a universal modular parameter input system. Simultaneously, it automatically identifies corresponding design parameters from external route and geological files. Finally, it intelligently integrates the above modules to automatically form a complete integrated finite element analysis model of the superstructure and substructure. This invention system can improve the calculation and design efficiency of bridge structures and reduce design costs.

The invention discloses an ETC payment data-based urban traffic flow real-time modeling method and system, and relates to the field of urban traffic flow monitoring. The method comprises the following steps: acquiring ETC payment data including a vehicle identifier, a portal frame identifier and a timestamp, and performing time sequence sorting on the data based on the vehicle identifier to construct a vehicle trajectory chain; according to the road network topology, defining a plurality of short-distance interlaced routes of which the distances between entrances and exits are smaller than a threshold value; by comparing the vehicle track chain with the interleaving route, identifying interleaving vehicles of which the paths are only composed of starting points and ending points of the interleaving route, and counting in a preset time window to obtain a basic interleaving traffic flow; summing the through traffic flow, the non-interlaced afflux traffic flow and the basic interlaced traffic flow, and calculating the corrected traffic flow of the target main road section adjacent to the interlaced area; and finally generating traffic state parameters including the average speed of the road section, the corrected traffic flow and the basic interlaced traffic flow. By implementing the technical scheme provided by the invention, the traffic flow real-time modeling accuracy is improved.

Systems and methods are provided to receive a request for service indicating a start location and a destination location for the service, determine that a time of day for the request for service triggers a safety analysis, and analyze the start location and destination location to identify a pickup location to start the service and a drop-off location to end the service based on lighting metrics associated with the pickup location and the drop-off location. The systems and methods further generate a plurality of candidate routes for the service from the pickup location to the drop-off location, generate a safety score for each candidate route of the plurality of candidate routes by identifying a lighting metrics based on pixel values in imagery for each segment of each candidate route and select a route for the service based on a least the safety score of each candidate route.

The invention provides a route identification method and device, equipment, a storage medium and a program product, and relates to the technical field of vehicle route identification. The method is applied to a server, and comprises the following steps: receiving driven routes of a plurality of first vehicles sent by a plurality of first terminals; aggregating the driven routes of the plurality of first vehicles according to the initial positions and the final positions to obtain a driven route set from each initial position to each final position; for a driven route set from each initial position to each final position, screening out N common routes from the driven route set from the initial position to the final position; and storing the common route. According to the method, the pre-stored common route is continuously updated, and the common route contains the slope of the road, so that the specific driving route of the vehicle can be more accurately judged by comprehensively considering the slope of the route where the vehicle is located and the position coordinates of the vehicle, and the probability of misjudgment of the route is reduced.