WO2014019574A1 - Verfahren zur darstellung einer fahrzeugumgebung mit positionspunkten - Google Patents
Verfahren zur darstellung einer fahrzeugumgebung mit positionspunkten Download PDFInfo
- Publication number
- WO2014019574A1 WO2014019574A1 PCT/DE2013/200025 DE2013200025W WO2014019574A1 WO 2014019574 A1 WO2014019574 A1 WO 2014019574A1 DE 2013200025 W DE2013200025 W DE 2013200025W WO 2014019574 A1 WO2014019574 A1 WO 2014019574A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- sensor
- position points
- representation
- particles
- environment
- 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.)
- Ceased
Links
Classifications
-
- 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
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
-
- 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
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
- G01S13/06—Systems determining position data of a target
-
- 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
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/88—Radar or analogous systems specially adapted for specific applications
- G01S13/93—Radar or analogous systems specially adapted for specific applications for anti-collision purposes
- G01S13/931—Radar or analogous systems specially adapted for specific applications for anti-collision purposes of land vehicles
-
- 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
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/003—Transmission of data between radar, sonar or lidar systems and remote stations
-
- 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
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/88—Radar or analogous systems specially adapted for specific applications
- G01S13/93—Radar or analogous systems specially adapted for specific applications for anti-collision purposes
- G01S13/931—Radar or analogous systems specially adapted for specific applications for anti-collision purposes of land vehicles
- G01S2013/9322—Radar or analogous systems specially adapted for specific applications for anti-collision purposes of land vehicles using additional data, e.g. driver condition, road state or weather data
Definitions
- the invention relates to the technical field of representation of structures in the surroundings of a vehicle as a database for driver assistance systems with machine perception.
- the invention relates to a method and a device for displaying a vehicle environment (2) for a vehicle (1) with a sensor system (5) for environment detection, the vehicle environment (2) having a predefined fixed set of position points (in this application, equivalent to particles ) is described.
- the environment representation as a fixed particle quantity has the advantage of an always constant amount of data, which is used for the storage and transmission of the
- the proposed invention is thus advantageous in a transmission of environmental data in a vehicle, for example, from a first evaluation that calculates an environment representation, to a second unit, which is designed for example as a control device for a driver assistance function. It is also advantageous that the administration and access of this data structure can be carried out very efficiently on the software side.
- the set amount of position points is also used very densely in those places where extensive structural descriptions are required. This results in a highly efficient use of the memory reserved for the representation and the bandwidth for its transmission.
- the position points are stochastically distributed in a predeterminable detection area.
- the method provides that the particles are arranged based on the data of the sensor system for detecting the surroundings in the detection area (2), wherein the distribution of the position points in the detection area as a function of detected structures in the vehicle environment.
- FIG. 2 shows schematically that one sensor model is created per sensor and then a plurality of sensor models (6) are combined.
- a simple method for merging (fusing) the particles of several sensors is to accumulate all the particles obtained from the various sensors (sensor models) in a common representation on a cycle-by-cycle basis.
- a cycle is a predetermined period of time.
- the position points are updated every cycle.
- this method can be used for merging the particles of a plurality of sensors whose viewing ranges do not overlap or only slightly overlap in order to maintain a high accuracy of the merged representation.
- the total number of particles in this case is constant and equal to the sum of the number of particles of the fused sensors.
- the reduction in the number of particles can be carried out, for example, by obtaining the particles for the reduction in addition to their parameters, a weighting factor.
- a particle of the fused overall representation is obtained, e.g. the more particles there are in the sensor presentation in its environment, the higher the weight.
- a new particle set is generated by randomly drawing new particles from the initial representation (sensor representation) until the predetermined quantity has been reached, the probability of occurrence of a particle in the reduced representation being proportional to the weight in the initial representation.
- weighting factor may depend on the state quantity or quantities derived therefrom, e.g. a higher weighting factor at high gradient of the course of the state variable.
- the state variables of a particle of the reduced representation can be determined from the neighboring particles by interpolation (eg constant, linear, guadratical).
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Traffic Control Systems (AREA)
Abstract
Description
Claims
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US14/381,734 US9829575B2 (en) | 2012-07-30 | 2013-06-27 | Method for representing a vehicle environment with position points |
| DE112013000229.9T DE112013000229A5 (de) | 2012-07-30 | 2013-06-27 | Verfahren zur darstellung einer fahrzeugumgebung mit positionspunkten |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102012106932.8 | 2012-07-30 | ||
| DE102012106932.8A DE102012106932A1 (de) | 2012-07-30 | 2012-07-30 | Verfahren zur Darstellung einer Fahrzeugumgebung mit Positionspunkten |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2014019574A1 true WO2014019574A1 (de) | 2014-02-06 |
Family
ID=48906073
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/DE2013/200025 Ceased WO2014019574A1 (de) | 2012-07-30 | 2013-06-27 | Verfahren zur darstellung einer fahrzeugumgebung mit positionspunkten |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US9829575B2 (de) |
| DE (2) | DE102012106932A1 (de) |
| WO (1) | WO2014019574A1 (de) |
Families Citing this family (14)
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| DE102012103669A1 (de) * | 2012-04-26 | 2013-10-31 | Continental Teves Ag & Co. Ohg | Verfahren zur Darstellung einer Fahrzeugumgebung |
| DE102015201747A1 (de) * | 2015-02-02 | 2016-08-04 | Continental Teves Ag & Co. Ohg | Sensorsystem für ein fahrzeug und verfahren |
| EP3133455B1 (de) * | 2015-08-17 | 2021-04-14 | Honda Research Institute Europe GmbH | Vorrichtung zum autonomen oder teilweise autonomen fahren eines fahrzeugs mit einem kommunikationsmodul zum erhalt zusätzlicher daten von einem fahrzeugfahrer und entsprechendes verfahren |
| US20190005667A1 (en) * | 2017-07-24 | 2019-01-03 | Muhammad Zain Khawaja | Ground Surface Estimation |
| EP3517996B1 (de) * | 2018-01-25 | 2022-09-07 | Aptiv Technologies Limited | Verfahren zur bestimmung der position eines fahrzeugs |
| EP3518001B1 (de) | 2018-01-25 | 2020-09-16 | Aptiv Technologies Limited | Verfahren zur erhöhung der zuverlässigkeit der bestimmung der position eines fahrzeugs auf basis einer vielzahl von detektionspunkten |
| EP3819663B1 (de) | 2019-11-07 | 2025-08-27 | Aptiv Technologies AG | Verfahren zur bestimmung der position eines fahrzeugs |
| EP3828587B1 (de) | 2019-11-29 | 2025-06-18 | Aptiv Technologies AG | Verfahren zur bestimmung der position eines fahrzeugs |
| EP3851870B1 (de) | 2020-01-14 | 2025-08-27 | Aptiv Technologies AG | Verfahren zur bestimmung von positionsdaten und/oder bewegungsdaten eines fahrzeugs |
| US12142054B2 (en) | 2020-08-31 | 2024-11-12 | Aptiv Technologies AG | Vehicles, systems and methods for determining an occupancy map of a vicinity of a vehicle |
| US12174641B2 (en) | 2020-12-17 | 2024-12-24 | Aptiv Technologies AG | Vehicle localization based on radar detections |
| US12105192B2 (en) | 2020-12-17 | 2024-10-01 | Aptiv Technologies AG | Radar reference map generation |
| US11988741B2 (en) | 2020-12-17 | 2024-05-21 | Aptiv Technologies AG | Vehicle routing based on availability of radar-localization objects |
| US11810459B1 (en) | 2022-05-09 | 2023-11-07 | Aptiv Technologies Limited | Vehicle localization based on radar detections in garages |
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2013
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Also Published As
| Publication number | Publication date |
|---|---|
| DE102012106932A1 (de) | 2014-05-15 |
| US9829575B2 (en) | 2017-11-28 |
| US20150022392A1 (en) | 2015-01-22 |
| DE112013000229A5 (de) | 2014-07-10 |
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