WO2009030520A1 - Actualisation dynamique de cartes numériques - Google Patents

Actualisation dynamique de cartes numériques Download PDF

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Publication number
WO2009030520A1
WO2009030520A1 PCT/EP2008/054923 EP2008054923W WO2009030520A1 WO 2009030520 A1 WO2009030520 A1 WO 2009030520A1 EP 2008054923 W EP2008054923 W EP 2008054923W WO 2009030520 A1 WO2009030520 A1 WO 2009030520A1
Authority
WO
WIPO (PCT)
Prior art keywords
interest
location
digital map
change
map
Prior art date
Application number
PCT/EP2008/054923
Other languages
German (de)
English (en)
Inventor
Ulrich STÄHLIN
Thomas Grotendorst
Anselm Keil
Original Assignee
Continental Teves Ag & Co. Ohg
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 Continental Teves Ag & Co. Ohg filed Critical Continental Teves Ag & Co. Ohg
Publication of WO2009030520A1 publication Critical patent/WO2009030520A1/fr

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Classifications

    • 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
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B29/00—Maps; Plans; Charts; Diagrams, e.g. route diagram
    • G09B29/10—Map spot or coordinate position indicators; Map reading aids
    • G09B29/106—Map spot or coordinate position indicators; Map reading aids using electronic means

Definitions

  • the invention relates to assistance and navigation technology for vehicles.
  • the invention relates to a system for a vehicle for updating a digital map, the use of such a system in a vehicle, a method for updating a digital map, a computer program product and a computer-readable medium.
  • the true position of the object in the map may differ from the imaged position of the object in the map.
  • the reason for this can be on the one hand in Measuring errors in locating method, on the other lie in inaccuracies of the map.
  • the map matching procedure matches the measured position with the map information about the location and geometry of objects in the map to determine the most likely position of the object on the map.
  • the position of the vehicle is usually measured with the assistance of the satellite positioning system GPS.
  • the correctness of the measured and the actual position is given in GPS with about 15 m.
  • the digital map can have tolerances in the meter range.
  • the position of the vehicle must be determined in the digital map, so z. B. a meaningful route calculation from the current location to the destination can be determined.
  • the vehicle could be outside the digitized roads or on the wrong road in the map.
  • the measured position is compared with the map information to determine the most likely location of the vehicle in the map for navigation.
  • the map matching the knowledge about the movements of the vehicle are used.
  • Digital cards are usually out of date at their delivery. Therefore, updating the card is essential if you want the digital card to match the current conditions. However, these updates involve a large amount of data because the entire map is always updated.
  • the described embodiments equally relate to the system, the use, the method, the computer program product and the computer readable medium.
  • a system for a vehicle is specified, wherein the system for updating a digital map is executed and a - A -
  • a computer unit for dynamically adapting a first point of interest, the first location of interest for mapping a change in the digital map, and wherein updating the digital map is based on the dynamic adaptation of the first site of interest.
  • points of interest may be used to map changes in the map data.
  • these locations of interest may be stored on a different medium or device, such as the digital map data.
  • the digital map data of the digital map are z. B. stored on a DVD or a first controller and are, according to an embodiment of the invention, not changed.
  • the update of the digital map takes place, for example, on a second control unit, which, for. B. is a driver assistance system or a navigation system.
  • Driver assistance system to be integrated in the update system.
  • the map data of the digital map are not updatable, so they can not be changed. In this way, it can be ensured that the map data can be optimally compressed, since the data format of the digital map in the An update does not have to be changed because the update does not take place in the map data.
  • the digital map can be used both for vehicle navigation and z. B. be used for a driver assistance system.
  • the dynamic locations of interest are GEO-referenced point objects used to represent location-dependent information.
  • the location of interest may be faded in or out by the system on a location-based map.
  • the representation of the places of interest is dynamic. This means that the dynamic places of interest are created, deleted or changed by the user or the system.
  • adaptive means a change, creation or deletion of data, such as a particular location of interest.
  • the vehicle is, for example, a motor vehicle, such as a car, bus or truck, or else a rail vehicle, a ship, an aircraft, such as a helicopter or airplane, or, for example, a bicycle.
  • the arithmetic unit is for the dynamic application of a second location of Interest and to delete a third place of interest.
  • the first location of interest is for marking a start and the second location of interest is for marking an end of a local change in the digital map.
  • a dynamic attribute which corresponds to the first location of interest, wherein in the attribute a description containing information about the local change is stored.
  • the change is a new routing, a changed signage, a changed traffic light circuit or a new source of danger.
  • the arithmetic unit is further designed to generate a profile of a typical change and to deposit the profile in a template.
  • the template describes what the change looks like and includes other variable parameters that are adaptable to a current situation.
  • the template may relate to a typical bypass route.
  • the customizable parameters are the actual speed limit and current hazard warnings, such as road surface oil pollution.
  • the dynamic attributes are attached to corresponding elements of the digital map.
  • the system further comprises a display for mapping metadata based on the locations of interest and the attributes corresponding thereto.
  • a display is not necessary, for example, if it is an ADAS (Advanced Driver Assistance System).
  • this metadata may contain time information.
  • the metadata may include information about how long the change has lasted, and / or since when that change has occurred.
  • the system is designed to receive data from a server, the data transmitted containing information about the locations of interest and the attributes corresponding thereto.
  • the server which may be a central server serving a variety of different systems, may be centrally managed and provide the information on a regular basis or at specific, adjustable times.
  • the system is designed as a navigation system, wherein the digital map is designed as a navigation map.
  • the system is designed as a driver assistance system.
  • the system can also be a combination of navigation system and driver assistance system.
  • the digital card can be both a Navigation unit and the driver assistance system are provided.
  • the system has a control unit, via which a user can control a retrieval of the data. So a user can decide at any time whether he wants to have an update of his digital map. In this way, the amount of data transmitted can be reduced because no updates are made if the user does not need such updates.
  • a method of updating a digital map of a vehicle wherein a dynamic adjustment of a first point of interest and a mapping of a change in the digital map through the first location of interest are performed where the update of the digital map is based on the dynamic adaptation of the first location of interest.
  • a dynamic adaptation or generation of a dynamic attribute corresponding to the first location of interest occurs. Furthermore, a description is stored in the attribute containing information about the local change. According to another embodiment of the invention, the method further comprises generating a profile of a typical change and depositing the profile in a template.
  • a computer program product which, when executed on a processor, instructs the processor to perform the method steps specified above.
  • a computer-readable medium having stored thereon a computer program product which, when executed on a processor, instructs the processor to perform the method steps outlined above.
  • a basic consideration of the invention is that places of interest are used to map changes in map data. Thus, it is not necessary to change the map data itself. Rather, the changes can be overlaid with the original map data. This overlay can be done on a different device than reading out the original map data.
  • Fig. 1 shows a schematic representation of a system according to an embodiment of the invention.
  • FIG. 2 shows a section of a digital map according to an exemplary embodiment of the invention.
  • Fig. 3 shows a template according to an embodiment of the invention.
  • FIG. 4 shows a schematic representation of an overall system according to an exemplary embodiment of the invention.
  • FIG. 5 shows a flowchart of a method according to an embodiment of the invention.
  • Fig. 1 shows a schematic representation of components of a system 100, which is installed for example in a vehicle.
  • the system 100 may also be about act a mobile system that can be taken by the user, so not permanently installed in the vehicle.
  • the system 100 is for updating a digital map and includes a computing unit 101 having a CPU that can dynamically adjust locations of interest.
  • an input unit 102 is provided, which is connected to the arithmetic unit 101.
  • the input unit 102 is, for example, a control unit via which a user, u. a., Can control a retrieval of the update data.
  • various settings of the system 100 can be made via the input unit 102 and, for example, a destination and possibly also a location for a navigation unit can be selected.
  • the input of the destination is, for example, by entering the full name of the destination or by selecting from a list that is displayed on an optical output unit, such as a monitor 103, possible.
  • the route guidance information is also output.
  • the route guidance information can also be output via an acoustic output unit 104.
  • the output via an acoustic output unit 104 has the advantage that the driver is less distracted from the current traffic situation.
  • the map data (navigation map data) or the digital map data are stored in the form of data records. For example, additional information about traffic restrictions and the like are also stored in the memory element 105 and assigned to the data records.
  • the system 100 includes a navigation unit 106 having a GPS receiver configured to receive navigation signals from GPS satellites.
  • the navigation unit 106 with the GPS receiver can also be designed for other satellite navigation systems.
  • the system 100 since the GPS signals are not always receivable, for example, in the inner city area, the system 100 also has a direction sensor 107 and an odor sensor 108 for performing dead reckoning. Signals of the GPS receiver, the odometer sensor and the direction sensor are processed, for example, in the central control unit (arithmetic unit) 101. The vehicle position determined from these signals is compared to the road maps via map matching. The route guidance information thus obtained is finally output via the monitor 103.
  • the digital map software has the ability to dynamically adjust, create or add points of interest (POI) dynamically throughout the life of the system Clear.
  • POIs usually show attractions, restaurants, etc.
  • POIs are used to map changes in the underlying map. For this purpose, for example, the beginning and end of a change are marked by POIs and a description of how the change looks is stored in the attributes for these POIs. So could a change z.
  • B. be a new route through a construction site or a modified signage or a modified street layout.
  • the POI attributes are extended to store these changes. For example, the length of a construction site is stored or, in the case of a changed routing, the new points and lines of the new route.
  • a possibility may be provided to store typical changes as templates. Construction sites often follow a similar structure.
  • TMC Traffic Message Channel
  • RDS Radio Digital System
  • off-board navigation an entire card is reloaded from a server via radio at any given time.
  • the offboard navigation is implemented, for example, in the navigation system as part of the map software.
  • hybrid navigation a map update mechanism is implemented.
  • FIG. 2 shows a schematic illustration of a detail 201 of a digital map 200, as can be displayed, for example, in a display 103 (see FIG. 1).
  • the section 201 of the digital map 200 shows a road 202 which connects two locations 203, 204 together. Furthermore, a modified route 208 can be seen, which must be used, since there is a construction site on the section 209.
  • the first location of interest 205 is a hazard statement indicating the driver of the altered route at the leg 209. This hazard statement 205 may be permanently displayed in the map section 201 and / or displayed at the time the driver passes over the point 210.
  • the location of interest 206 defines the beginning of the altered route 208, and the location of interest 207 defines the end of the altered route 208.
  • FIG. 3 shows the schematic visualization of a template 300, which is used, for example, for updating the map detail 201 of FIG. 2.
  • the template 300 includes a typical modified route 208 and three possible locations of interest 301, 302, 303.
  • the templates can, depending on the current situation, be provided with appropriate information. This information relates, for example, to current speed restrictions, type of danger source or else to the start time or end time of the changed route 208.
  • dynamic POIs to update digital maps eliminates the need to make major changes to the software. In addition, if sample templates are used, the effort is additionally reduced.
  • These dynamic POIs also allow functions such as: B. the display of the traffic light condition, warnings of black ice, etc.
  • the dynamic POIs mark z. B. Start and end of changes in the digital map.
  • the changes are saved in the attributes for the POIs.
  • the attributes also provide information such as. Length a construction site or the course of a new route. For typical changes, sample templates are stored.
  • the dynamic attributes can also be stored on points, routes, areas, etc. of the map. Maps are vector images, with streets being saved as routes. The attributes can thus be stored on all geometric elements of the map.
  • the overall system 400 includes an update system 100 for updating a digital map and a center 405, which is embodied, for example, as a central server.
  • an additional unit 401 is provided, which is, for example, an additional memory or an additional control device, such as a driver assistance system or a navigation system.
  • a radio module 402 is provided with an antenna 407 for communication with the server 405.
  • the server 405 has an antenna 406.
  • the communication between the components 100, 401, 402 integrated in the vehicle 403 and the server 405 takes place via a radio link 404.
  • the transmission is based, for example, on GSM, UMTS, WLAN or WiMax.
  • step 501 the driver notifies the server that he wishes to update a portion of his digital map, or the server recognizes that an update must be sent.
  • the server then sends corresponding update data to the update system in the vehicle (step 502).
  • step 503 a dynamic adaptation of the locations of interest associated with the selected portion of the digital map occurs.
  • step 504 a dynamic adaptation of the dynamic attributes corresponding to the locations of interest occurs.
  • step 505 the changes in the digital map are mapped by the locations of interest and the result is visualized in step 506 on a driver's display.

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  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Mathematical Physics (AREA)
  • Business, Economics & Management (AREA)
  • Educational Administration (AREA)
  • Educational Technology (AREA)
  • Navigation (AREA)

Abstract

Dans un mode de réalisation, l'invention concerne un système de navigation pour un véhicule dans lequel l'actualisation d'une carte numérique est réalisée sur la base d'une adaptation dynamique de lieux d'intérêt. Les lieux d'intérêt reproduisent les variations des données de carte. Une modification des données de carte n'est pas nécessaire.
PCT/EP2008/054923 2007-08-29 2008-04-23 Actualisation dynamique de cartes numériques WO2009030520A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102007040980 2007-08-29
DE102007040980.1 2007-08-29

Publications (1)

Publication Number Publication Date
WO2009030520A1 true WO2009030520A1 (fr) 2009-03-12

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PCT/EP2008/054923 WO2009030520A1 (fr) 2007-08-29 2008-04-23 Actualisation dynamique de cartes numériques

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010094596A1 (fr) * 2009-02-23 2010-08-26 Robert Bosch Gmbh Procédé d'exploitation d'un système d'information, système d'information et support de mémoire
US10757485B2 (en) 2017-08-25 2020-08-25 Honda Motor Co., Ltd. System and method for synchronized vehicle sensor data acquisition processing using vehicular communication
US11163317B2 (en) 2018-07-31 2021-11-02 Honda Motor Co., Ltd. System and method for shared autonomy through cooperative sensing
US11181929B2 (en) 2018-07-31 2021-11-23 Honda Motor Co., Ltd. System and method for shared autonomy through cooperative sensing
US11370422B2 (en) * 2015-02-12 2022-06-28 Honda Research Institute Europe Gmbh Method and system in a vehicle for improving prediction results of an advantageous driver assistant system

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012110219A1 (de) * 2012-10-25 2014-04-30 Continental Teves Ag & Co. Ohg Verfahren und Vorrichtung zur Erkennung von gekennzeichneten Gefahr- und/oder Baustellen im Bereich von Fahrbahnen
EP2848892B1 (fr) 2013-09-13 2017-12-27 Elektrobit Automotive GmbH Technique de correction de données de carte numérisée
DE102014221777A1 (de) 2014-10-27 2016-04-28 Robert Bosch Gmbh Verfahren und Vorrichtung zum Betreiben eines Fahrzeugs
DE102017202255A1 (de) 2017-02-13 2018-08-16 Audi Ag Verfahren zum Aktualisieren einer digitalen Karte einer kraftfahrzeugexternen Servervorrichtung

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1045224A2 (fr) * 1999-04-15 2000-10-18 DaimlerChrysler AG Méthode pour la mise à jour d'une carte routière et méthode pour créer de l'information de guidage de véhicule basée sur la carte

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1045224A2 (fr) * 1999-04-15 2000-10-18 DaimlerChrysler AG Méthode pour la mise à jour d'une carte routière et méthode pour créer de l'information de guidage de véhicule basée sur la carte

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010094596A1 (fr) * 2009-02-23 2010-08-26 Robert Bosch Gmbh Procédé d'exploitation d'un système d'information, système d'information et support de mémoire
CN102326052A (zh) * 2009-02-23 2012-01-18 罗伯特·博世有限公司 用于驱动信息系统的方法、信息系统和存储器介质
US11370422B2 (en) * 2015-02-12 2022-06-28 Honda Research Institute Europe Gmbh Method and system in a vehicle for improving prediction results of an advantageous driver assistant system
US10757485B2 (en) 2017-08-25 2020-08-25 Honda Motor Co., Ltd. System and method for synchronized vehicle sensor data acquisition processing using vehicular communication
US11163317B2 (en) 2018-07-31 2021-11-02 Honda Motor Co., Ltd. System and method for shared autonomy through cooperative sensing
US11181929B2 (en) 2018-07-31 2021-11-23 Honda Motor Co., Ltd. System and method for shared autonomy through cooperative sensing

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