EP3616181A1 - Procédé de création et d'actualisation automatiques d'un ensemble de données pour un véhicule autonome - Google Patents

Procédé de création et d'actualisation automatiques d'un ensemble de données pour un véhicule autonome

Info

Publication number
EP3616181A1
EP3616181A1 EP18713870.6A EP18713870A EP3616181A1 EP 3616181 A1 EP3616181 A1 EP 3616181A1 EP 18713870 A EP18713870 A EP 18713870A EP 3616181 A1 EP3616181 A1 EP 3616181A1
Authority
EP
European Patent Office
Prior art keywords
vehicle
traffic light
vehicles
traffic
lane
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP18713870.6A
Other languages
German (de)
English (en)
Inventor
Hanno Homann
Fabian GIGENGACK
Max Schneider
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP3616181A1 publication Critical patent/EP3616181A1/fr
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/01—Detecting movement of traffic to be counted or controlled
    • G08G1/0104—Measuring and analyzing of parameters relative to traffic conditions
    • G08G1/0125—Traffic data processing
    • G08G1/0129—Traffic data processing for creating historical data or processing based on historical data
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W30/00—Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of vehicle sub-units
    • B60W30/10—Path keeping
    • B60W30/12—Lane keeping
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
    • G01C21/38—Electronic maps specially adapted for navigation; Updating thereof
    • G01C21/3804—Creation or updating of map data
    • G01C21/3807—Creation or updating of map data characterised by the type of data
    • G01C21/3811—Point data, e.g. Point of Interest [POI]
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
    • G01C21/38—Electronic maps specially adapted for navigation; Updating thereof
    • G01C21/3804—Creation or updating of map data
    • G01C21/3833—Creation or updating of map data characterised by the source of data
    • G01C21/3841—Data obtained from two or more sources, e.g. probe vehicles
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D1/00—Control of position, course, altitude or attitude of land, water, air or space vehicles, e.g. using automatic pilots
    • G05D1/0088—Control of position, course, altitude or attitude of land, water, air or space vehicles, e.g. using automatic pilots characterized by the autonomous decision making process, e.g. artificial intelligence, predefined behaviours
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V20/00—Scenes; Scene-specific elements
    • G06V20/50—Context or environment of the image
    • G06V20/56—Context or environment of the image exterior to a vehicle by using sensors mounted on the vehicle
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V20/00—Scenes; Scene-specific elements
    • G06V20/50—Context or environment of the image
    • G06V20/56—Context or environment of the image exterior to a vehicle by using sensors mounted on the vehicle
    • G06V20/58—Recognition of moving objects or obstacles, e.g. vehicles or pedestrians; Recognition of traffic objects, e.g. traffic signs, traffic lights or roads
    • G06V20/584—Recognition of moving objects or obstacles, e.g. vehicles or pedestrians; Recognition of traffic objects, e.g. traffic signs, traffic lights or roads of vehicle lights or traffic lights
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V20/00—Scenes; Scene-specific elements
    • G06V20/50—Context or environment of the image
    • G06V20/56—Context or environment of the image exterior to a vehicle by using sensors mounted on the vehicle
    • G06V20/588—Recognition of the road, e.g. of lane markings; Recognition of the vehicle driving pattern in relation to the road
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/01—Detecting movement of traffic to be counted or controlled
    • G08G1/0104—Measuring and analyzing of parameters relative to traffic conditions
    • G08G1/0108—Measuring and analyzing of parameters relative to traffic conditions based on the source of data
    • G08G1/0112—Measuring and analyzing of parameters relative to traffic conditions based on the source of data from the vehicle, e.g. floating car data [FCD]
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/01—Detecting movement of traffic to be counted or controlled
    • G08G1/0104—Measuring and analyzing of parameters relative to traffic conditions
    • G08G1/0125—Traffic data processing
    • G08G1/0133—Traffic data processing for classifying traffic situation
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/01—Detecting movement of traffic to be counted or controlled
    • G08G1/04—Detecting movement of traffic to be counted or controlled using optical or ultrasonic detectors
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
    • G01S17/02—Systems using the reflection of electromagnetic waves other than radio waves
    • G01S17/06—Systems determining position data of a target
    • G01S17/42—Simultaneous measurement of distance and other co-ordinates
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
    • G01S17/88—Lidar systems specially adapted for specific applications
    • G01S17/93—Lidar systems specially adapted for specific applications for anti-collision purposes
    • G01S17/931—Lidar systems specially adapted for specific applications for anti-collision purposes of land vehicles

Definitions

  • the invention relates to a method for automatic creation and
  • HAD highly automated driving
  • the maps contain information about lane connectivity, such as intersections at intersections.
  • traffic lights can be manually assigned to specific lanes.
  • some systems from different vehicles transmit landmarks detected at different times, as well as trajectory data and GPS information, to an off-board server where the data is used to create and update maps. This can be done, for example, by a graph Balancing procedure done.
  • the automated assignment of a traffic light to a specific lane is not possible here.
  • the object underlying the invention can be seen to propose a method for automatically creating and updating a data set with a crowd-supported traffic light lane assignment, as well as an autonomous or partially autonomous vehicle for performing the method and for using the data set.
  • a method for automatically creating and updating an autonomous vehicle record is provided. At least one traffic light and one switching state of the at least one traffic light are registered. Furthermore, at least one
  • At least one traffic lane is assigned to at least one traffic light based on the at least one detected trajectory, the at least one switching state of the at least one traffic light and the at least one determined lane marking.
  • a trajectory of at least one vehicle in front is registered by at least one sensor, such as a camera or an LI DAR (light detection and ranging) sensor, and derived based on the determined switching states of the respective traffic lights and the lanes defined by the registered lane markings, Whether the respective lane is, for example, a turning lane or intended for straight ahead driving.
  • a directional function can be assigned automatically to each traffic light and the corresponding lanes without having to recognize a directional marking arrow on the road. This is also possible with a missing or hidden direction marking on the roadway.
  • the driving trajectory of vehicles ahead is observed and used for the assignment. Changes, for example, a circuit state of a traffic light and it is on a lane a vehicle with a timely movement (eg start and
  • Turning process determined it can be determined by evaluating the data that the traffic light and the lane is a turning lane. In contrast to today's manual assignment, this makes possible HAD maps with large area coverage even for complex
  • Procedure be carried out by one or more vehicles.
  • each vehicle uses sensors to determine the described factors in the form of data.
  • the collected data is used to create and update a record.
  • This data record can be transferred from the respective compatible vehicles to an off-vehicle server unit.
  • the method makes it possible to rapidly advance one or more vehicles in traffic by possibly predicting a "green wave" in which several traffic lights are switched to green in succession Traffic lights and possibly the position of others
  • Vehicles to be known In this way, the fuel consumption can be reduced, the driving time can be optimized or shortened, and the ride comfort can be increased, for example, in an automatic driving function.
  • a prediction of the braking action of preceding vehicles on the own lane of a vehicle by means of the known switching cycle can be made.
  • the measurements are made by different vehicles at different times and are transmitted to an external server unit for evaluation.
  • Vehicle-external server unit can use the data from different
  • Observations that come from different vehicles and at different times, are collected and evaluated together. It can be assigned to the respective traffic lights from the information in which traffic light phase or switching state vehicles from which lane have passed the intersection, the respective traffic lights. According to a further embodiment of the method, a switching cycle of at least one traffic light as a data record is detected and / or supplemented by the measurements of different vehicles at different times.
  • Switching cycle at least one traffic light or, for example, an entire traffic signal or traffic lights of an intersection are detected. This is also possible if each individual vehicle has only observed the traffic light or traffic light system for a short time segment. The duration of the individual traffic light phases can also be recorded. Furthermore, observation errors,
  • Wrong or wrong benders can be recognized and sorted out by the repeated measurements.
  • a duration of at least one switching state of the at least one traffic light is determined from at least two vehicle-based measurements. Since a single vehicle can not always detect an entire switching cycle of a traffic light, it is advantageous if from the individually determined data of different vehicles an entire switching cycle of one or more traffic lights can be determined.
  • changes in the switching state of traffic lights for example, can be used as common time reference points in a merging of data.
  • Cycle durations of the switching cycles or lengths of the individual traffic signal phases, in particular the green phase, and thus also the length of an entire switching cycle of traffic lights can be detected by measurements of vehicles and transmitted to a vehicle-external server unit.
  • the relative switching times of multiple traffic lights along a route to each other can be detected and stored. In this way, for example, a detected "green wave" can be exploited for a time-optimized passage of several coupled traffic lights by an autonomous vehicle.
  • participating vehicles can be collected on the server unit and a
  • the traffic light model is returned from the server unit to the
  • Vehicles distributed This can also be used to optimize the scheduling of other autonomous or semi-autonomous vehicles.
  • a start-up or stop behavior of the vehicles before a traffic light or a speed profile between two traffic lights adapt, so that, for example, a total driving time and / or fuel consumption of the vehicle can be minimized.
  • Such a model can be used, for example, for a future prediction of a total driving time of a driving route.
  • the model and the at least one recorded data record are automated in one
  • Autonomous or semi-autonomous vehicles can access the HAD map and automatically navigate along a route.Through the traffic light model and the constantly updated data sets, such a vehicle can navigate undisturbed along defined routes and optimally and automatically consider traffic light phases during navigation.
  • the at least one lane is assigned to the at least one traffic light in the external server unit or in a vehicle.
  • Modern vehicles have various control devices and computer units.
  • autonomous or semi-autonomous vehicles need powerful computing operations for
  • the already existing computer units can take over or pre-process the assignment of the lanes or the direction information to corresponding traffic lights and traffic light phases. This can be a
  • Inquiries from vehicles or to incoming records can react.
  • the external server unit can assume the assignment of the lanes, since a stationary computing unit can generally have a higher computing power and larger storage capacities.
  • both the vehicles and the external server unit may have communication devices which
  • the vehicle has at least one sensor for detecting lane markings, for detecting vehicles ahead and their trajectories and for detecting traffic lights and switching states of the traffic lights. Furthermore, the vehicle has at least one communication device for transmitting the acquired data and for receiving collected and processed data records of an external server unit.
  • At least one sensor installed in the vehicle such as a camera or a LIDAR sensor, for the detection of
  • Lane markings preceding vehicles and traffic lights.
  • the vehicle trajectories and the switching states of the traffic lights can be detected. From the interplay of the vehicle trajectories and the switching states of the traffic lights, the vehicles in front can be assigned to specific lanes. In particular, this can
  • Directional functions are assigned to different lanes. These data are sent by the communication device to at least one off-vehicle server unit.
  • the server unit collects and collects these data sets from multiple observations originating from different vehicles and at different times
  • the vehicle has only observed a short time frame. Furthermore, observation errors, wrong-way drivers or false benders can be detected and sorted out by the repeated measurements. According to one embodiment, the vehicle is a vehicle external
  • HAD map can be used for navigation. This allows the vehicle to access the vehicle-external HAD card stored on the server unit and use it to navigate. Alternatively or additionally, the vehicle may also buffer the card temporarily or from a buffer
  • traffic light positions and determined data records relating to traffic lights from the HAD map can be projected into an in-vehicle image coordinate system of at least one vehicle-internal camera.
  • respective positions of traffic lights from the HAD map can be transmitted to the in-vehicle sensors and database and visualized in the camera image, provided that a presentation unit is present.
  • a detection accuracy and range of a traffic light recognition algorithm can be increased by the projection.
  • the time planning horizon and the robustness of an automatic driving function can be improved so that driving comfort, safety and fuel consumption can be optimized.
  • FIG. 1 is a schematic representation of a method for automatically creating and updating a data set for an autonomous vehicle according to a first embodiment
  • Fig. 2 is a schematic representation of a vehicle according to a first embodiment
  • Fig. 3 is a traffic signal at the example of the method according to the first
  • Embodiment is performed.
  • FIG. 1 shows a schematic representation of a method 1 for
  • Vehicle 2 according to a first embodiment.
  • the method 1 has a vehicle-side part 4 and a vehicle-external part 6.
  • the vehicle-side part 4 of the method 1 is performed by a vehicle 2 with corresponding sensor and computer unit.
  • the vehicle-external part 6 of the method 1 is performed by an external server unit.
  • At least one traffic light and a switching state of the at least one traffic light are registered by a vehicle-side sensor system 10.
  • at least one traffic light and a switching state of the at least one traffic light are registered by a vehicle-side sensor system 10.
  • at least one traffic light and a switching state of the at least one traffic light are registered by a vehicle-side sensor system 10.
  • Lane marker 12 is determined. Next, a vehicle trajectory is registered and tracked by at least one preceding vehicle 14. The collected data is used to create and update an off-board data set. For this purpose, the collected data is transmitted to a vehicle-external server unit 16. The said steps can be carried out parallel to each other or one after the other.
  • the vehicle-external server unit 28 receives the collected data 18. Based on the at least one switching state of the at least one traffic light 34, on the at least one determined lane marking 36 and on the at least one detected trajectory of a preceding vehicle 40 at least one lane 38 is identified and at least one traffic light 34 assigned by the assignment, the lane 38 a
  • Direction function can be assigned, which can be used by subsequent autonomous or semi-autonomous vehicles 2 in order to be able to navigate optimally, especially in the range of traffic lights.
  • 2 shows a schematic representation of a vehicle 2 is shown according to a first embodiment.
  • the vehicle 2 is designed to carry out the vehicle-side part 4 of the method 1 for the automatic creation and updating of a vehicle-external data record.
  • the vehicle 2 has a camera 22 which on a front side of the vehicle. 2
  • the camera 22 picks up an environment of the vehicle 2 and forwards the generated images to a vehicle-side computer unit 24.
  • the computer unit 24 evaluates the generated images and determines
  • Lane markings registered vehicles ahead and tracks the trajectory or directions of driving ahead of the images
  • the computer unit detects 24 traffic lights and their switching states by analyzing the images.
  • the determined and analyzed information can be transmitted continuously or packetwise via a
  • Communication device 26 are sent to an off-board server unit 28.
  • the server unit 28 also has a
  • FIG. 3 shows a traffic light system 32 to which the method 1 according to the first exemplary embodiment is applied by way of example.
  • an image is shown, which was taken by the camera 22 of the vehicle 2.
  • the computer unit 24 has already detected the traffic lights 34 of the traffic light system 32.
  • lane markings were 36 of the
  • the preceding vehicles 40 detected. With each further image, the preceding vehicles 40 are registered and in particular their movement speed and direction are detected. Thus, based on the movement starting from the respective lanes 38 and the switching states of the traffic lights 34 direction information can be determined.
  • the arrows on the lanes 38 illustrate the
  • Directional information it can be determined on the basis of the image that on the right lane the preceding vehicle 40 turns to the right and this lane 38 is therefore likely to leave a traffic lane 38 to the vehicle

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Automation & Control Theory (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Business, Economics & Management (AREA)
  • Health & Medical Sciences (AREA)
  • Artificial Intelligence (AREA)
  • Evolutionary Computation (AREA)
  • Game Theory and Decision Science (AREA)
  • Medical Informatics (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Traffic Control Systems (AREA)

Abstract

L'invention concerne un procédé de création et d'actualisation automatiques d'un ensemble de données pour un véhicule autonome. Selon ledit procédé, au moins un feu de circulation et un état de commutation du ou des feux de circulation sont enregistrés, au moins un marquage de chaussée est déterminé, une trajectoire d'au moins un véhicule précédent est enregistrée et les données collectées sont utilisées pour créer et actualiser l'ensemble de données. Sur la base de la ou des trajectoires détectées, de l'état ou des états de commutation du ou des feux de circulation et du ou des marquages de chaussée déterminés, au moins une voie de circulation est associée à au moins un feu de circulation. L'invention concerne en outre un véhicule autonome ou en partie autonome permettant la mise en œuvre du procédé.
EP18713870.6A 2017-04-24 2018-03-23 Procédé de création et d'actualisation automatiques d'un ensemble de données pour un véhicule autonome Pending EP3616181A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102017206847.7A DE102017206847B4 (de) 2017-04-24 2017-04-24 Verfahren zum automatischen Erstellen und Aktualisieren eines Datensatzes für ein autonomes Fahrzeug
PCT/EP2018/057463 WO2018197122A1 (fr) 2017-04-24 2018-03-23 Procédé de création et d'actualisation automatiques d'un ensemble de données pour un véhicule autonome

Publications (1)

Publication Number Publication Date
EP3616181A1 true EP3616181A1 (fr) 2020-03-04

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP18713870.6A Pending EP3616181A1 (fr) 2017-04-24 2018-03-23 Procédé de création et d'actualisation automatiques d'un ensemble de données pour un véhicule autonome

Country Status (5)

Country Link
US (1) US11335188B2 (fr)
EP (1) EP3616181A1 (fr)
CN (1) CN110546696B (fr)
DE (1) DE102017206847B4 (fr)
WO (1) WO2018197122A1 (fr)

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CN106327897B (zh) 2016-09-07 2019-02-19 招商局重庆交通科研设计院有限公司 一种基于车路协同技术的信号灯状态终端显示方法及系统

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CN110546696A (zh) 2019-12-06
US11335188B2 (en) 2022-05-17
DE102017206847A1 (de) 2018-10-25
US20200126408A1 (en) 2020-04-23
WO2018197122A1 (fr) 2018-11-01
CN110546696B (zh) 2022-08-30

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