EP4433843A1 - Verfahren zur zuordnung von empfangssignalen einer sensorik eines fahrzeugs zu einem objekt - Google Patents
Verfahren zur zuordnung von empfangssignalen einer sensorik eines fahrzeugs zu einem objektInfo
- Publication number
- EP4433843A1 EP4433843A1 EP22812425.1A EP22812425A EP4433843A1 EP 4433843 A1 EP4433843 A1 EP 4433843A1 EP 22812425 A EP22812425 A EP 22812425A EP 4433843 A1 EP4433843 A1 EP 4433843A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cluster
- received signals
- signal
- received
- assigned
- 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
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
- G01S13/88—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
- G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
- G01S15/88—Sonar systems specially adapted for specific applications
- G01S15/93—Sonar systems specially adapted for specific applications for anti-collision purposes
- G01S15/931—Sonar 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
- 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
-
- 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
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/41—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00 using analysis of echo signal for target characterisation; Target signature; Target cross-section
-
- 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
- G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
- G01S7/4802—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00 using analysis of echo signal for target characterisation; Target signature; Target cross-section
-
- 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
- G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
- G01S7/539—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00 using analysis of echo signal for target characterisation; Target signature; Target cross-section
Definitions
- the invention relates to a method and a system for assigning received signals from a sensor system in a vehicle to an object in the area surrounding the vehicle.
- a known method for tracking received signals in order to be able to assign them to an object uses a forward search window, i.e. one directed towards future received signals.
- the size of the search window is variable and is increasingly being reduced in order to ensure the stability of the tracking process.
- a method for assigning received signals from a sensor system of a vehicle to an object is disclosed.
- the method is used to detect a received signal sequence, hereinafter referred to as a cluster, and to assign further, newly received received signals to this received signal sequence, the received signal sequence describing an object in the area surrounding the vehicle.
- the sensor system of the vehicle has at least one distance-measuring sensor, for example at least one ultrasonic sensor.
- the procedure includes the following steps:
- a measurement signal is transmitted by at least one sensor and a reflected portion of this measurement signal is received by a sensor as a reception signal. In this way, a number of received signals originating from one or more objects can be received in the send/receive cycles.
- At least one cluster of received signals is then formed using a regression method.
- the regression method is preferably a method that looks backwards in time, ie after receiving a plurality of received signals, an attempt is made to form a cluster from them.
- the received signals are based on their signal propagation time between the transmission of the measurement signal and the Receiving a reflected portion of this measurement signal assigned to a cluster in such a way that those received signals are added to a cluster whose signal propagation times change linearly or substantially linearly over time, taking into account a predetermined variance.
- the regression method searches for a group of received signals whose signal propagation time, plotted over time, has a profile that is sufficiently linear, taking into account a predetermined variance.
- a tolerance range for the at least one cluster is then determined.
- the tolerance range defines a signal propagation time range in which a future received signal must lie in order to be able to be assigned to the cluster.
- the tolerance range can also specify a time interval from the cluster or cluster center within which the future received signal must occur in order to be able to be assigned to the cluster.
- a check is made based on the tolerance range as to whether the new received signal can be assigned to the cluster.
- updated cluster information of the cluster to which the received signal can be assigned is calculated based on the regression method, taking into account information on the received signals that are assigned to the cluster.
- the cluster is further developed based on the at least one newly assigned received signal.
- the cluster information, by which the cluster is characterized, is adjusted taking into account the received signals previously assigned to the cluster and the at least one newly assigned received signal.
- the cluster i.e. the initial cluster, is formed by determining an approximation line and assigning received signals to the cluster whose signal propagation times are in a predetermined area around the approximation line.
- an attempt is first made to find a group of received signals whose points lie approximately on a straight line, i.e. allowing for a predetermined variance.
- An approximation straight line is then preferably calculated on the basis of these points, for example by means of a method of the least error squares (least mean square method).
- the group of received signals that were used for calculating the approximation line is then expanded, namely by those points that lie in the specified surrounding area around the approximation line.
- the cluster is then formed on the basis of this expanded group. This means that objects that have multiple reflection planes at different distances from the sensor (so that multiple received signals that are offset in time are generated from one transmitted signal) can be tracked better.
- the range in which received signals can lie is expanded by using further received signals to form the cluster, the signal propagation times of which lie in a predetermined surrounding range around the approximation line. This in turn makes the method more robust in relation to objects with a plurality of reflection planes.
- those received signals are assigned to the cluster that meet the following condition: where:
- E(X) average of the transmission times of the received signals of the cluster
- Xnew Transmission time of the received signal to be assigned
- yneu signal propagation time of the received signal to be assigned
- c distance limit.
- the cluster information includes a cluster center and a cluster slope.
- the cluster center indicates an average of the transmission times and the signal propagation times of the received signals that are assigned to the cluster.
- the mean value can be a linear mean value or a weighted mean value, with the more recent received signals in particular being weighted more highly than received signals from a longer time ago.
- the cluster gradient is defined, for example, by the ratio of the variance of the signal propagation times and the variance of the transmission times or the ratio of the covariance between the transmission times and the signal propagation times and the variance of the transmission times. When calculating the cluster gradient, the more recent received signals can also be weighted more highly than received signals that are longer in the past.
- the cluster slope is determined by the following formula: where: pi: weighting factor, which is preferably 1/A, where A is the number of received signals in the cluster;
- E(X) average of the transmission times of the received signals of the cluster
- E(Y) average of the signal propagation times of the received signals of the cluster
- Xi time of transmission of the i-th received signal; y signal propagation time of the i-th received signal;
- the tolerance range is determined based on the cluster center and the cluster slope.
- a range of signal propagation times is defined in which the signal propagation time of the received signal may lie so that the received signal can be assigned to the cluster.
- the tolerance range also defines the time interval from the cluster center at which the transmission signal that leads to the reception signal must have been sent and/or the reception signal must be received so that it can be assigned to the cluster.
- newly determined received signals are associated with an existing cluster if they meet the following condition: where:
- CM X average of the transmission times of the received signals of the cluster or first coordinate of the cluster center
- CM y mean value of the signal propagation times of the received signals of the cluster or second coordinate of the center of the cluster;
- Xnew Transmission time of the newly determined received signal
- yneu signal propagation time of the newly determined received signal
- c distance limit.
- the values of the cluster center and the cluster slope are updated. This ensures that after one or more received signals have been assigned to the cluster, the cluster is further developed, so that the cluster center point and the cluster slope are adapted to the course of the received signals in the cluster.
- the received signals are weighted when calculating the updated values of the cluster center point and the cluster slope, in such a way that received signals determined longer in the past are weighted less than received signals that are more recent in the past.
- the cluster information characterizing the cluster can follow changing reception signal profiles, which result, for example, from a relative movement between the host vehicle and a surrounding object, in an improved manner.
- the sensor determines Doppler information about the received signal.
- the Doppler information is used to check whether the received signal can be assigned to a cluster. This enables improved tracking of objects when there is a relative movement between the host vehicle and a surrounding object.
- the Doppler information is compared with the cluster slope. Since the cluster slope is an indication of the change in the signal propagation time over time and thus of the relative speed between the host vehicle and a surrounding object, comparing the Doppler information with the cluster slope can reduce the probability of an incorrect assignment of a received signal to a cluster.
- a system for assigning received signals from a sensor system of a vehicle to an object comprises at least one distance-measuring sensor and a computer unit for controlling the sensor system and providing received signals.
- the computing unit is configured to perform the following steps:
- FIG. 1 shows an example of a plan view of a vehicle with an environment detection system that has a number of sensors
- FIG. 2 shows an example diagram that illustrates the signal propagation time of a large number of received signals plotted against the time of transmission
- FIG. 3 shows an example and diagrammatically of a section of the diagram according to FIG. 2, with a number of paths being drawn in between adjacent received signals, which elucidate the backward-looking method for searching for an approximation line;
- FIG. 4 by way of example and schematically the section of the diagram according to FIG. 3 with an approximation line, an area surrounding the approximation line and an ellipse which illustrates cluster information of an initial cluster;
- FIG. 5 shows an example and a schematic of a section of the diagram according to FIG. which illustrate the range in which new received signals must lie in order to be able to be associated with the cluster;
- FIG. 6 shows the diagram according to FIG. 2 by way of example and schematically, with a large number of ellipses which illustrate the continuous tracking of the received signals for assigning the received signals to an object
- FIG. 7 is an example of a block diagram that clarifies the process sequences of the method for assigning received signals to an object.
- FIG. 1 shows a vehicle F, which has a large number of sensors S, by way of example and in a roughly schematic manner. These are indicated as circles in FIG.
- the vehicle F preferably has a plurality of sensors S which are distributed around the vehicle F.
- the sensors S are distance-measuring sensors, for example ultrasonic sensors.
- the sensors S can also be radar sensors.
- the sensors S preferably do not have the ability to determine the direction from which a received, reflected signal component of the transmission signal originates. Such sensors are often referred to as 1-D sensors.
- the distance of an object at which the reflection occurs can be determined based on the propagation time of the sensor signal between the time of transmission and the time of reception.
- the sensors are coupled to a computer unit R, which has at least one processor and at least one memory unit.
- This computer unit R is designed to carry out the method sequences disclosed in this document, in particular to group and time-track the received signals that are caused by reflections on an object in order to be able to assign them to an object.
- FIG. 2 shows a diagram in which received signals (indicated by the respective dots) of a sensor system of a vehicle F that is moving past a post-like object are entered.
- the horizontal x-axis indicates the transmission times at which measurement signals were emitted by the sensors.
- On the vertical y-axis is the signal propagation time between sending the Measurement signal and receiving a reflected portion of the measurement signal applied. The signal propagation time indicates the distance of the object from the sensor S.
- the object is contoured, for example, i.e. it has several object planes with different geometric dimensions, for example different widths. As can be seen in Fig. 2, this can result in several received signals with different signal propagation times from one transmission cycle, i.e. several received signals are assigned to a transmission time that represents a transmission cycle (received signals lying vertically one above the other in Fig. 2).
- the distance When approaching the object, the distance is first reduced, so that the signal propagation time decreases, then reaches a minimum value and increases again after driving past the object.
- FIG. 3 shows, by way of example and diagrammatically, the determination of an approximation line, taking into account a number of received signals that have already been received. In other words, it is based on recent (e.g. in the last 100ms up to 500ms) detected Received signals checked whether at least some of these received signals are based on a permissible variance or spread on an approximation line.
- the path that has the greatest linearity i.e. that comes closest to a straight line
- an approximation line is then determined using a regression method, in particular a linear regression method.
- Fig. 4 shows the received signals contained in Fig. 3 with the closest path representing a straight line as a broken line and an approximation straight line as a solid line, which was determined using a regression method, in particular a linear regression method, based on the received signals on the path lying, which has the greatest linearity.
- received signals from a surrounding area U around the approximation line are preferably also used to form a cluster C.
- the surrounding area U is indicated in FIG. 4 by the pair of dashed lines which run parallel to the approximation line. This means that received signals that originate from the same object but have different signal propagation times due to the shape of the object and therefore deviate from the approximation line are assigned to the cluster.
- the surrounding area U around the approximation line can be defined, for example, by the following relationship:
- E(X) Mean value of the transmission times of the received signals of the path that was used to calculate the approximation line
- Xnew Transmission time of a received signal that can potentially be assigned
- yneu signal propagation time of a received signal that can potentially be assigned
- c distance limit.
- those received signals are used whose transmission times or signal propagation times are in a surrounding area defined by the distance limit value c to the received signals that were used for the calculation of the approximation line.
- An initial cluster C is then formed based on the received signals located in the surrounding area U.
- the initial cluster C is indicated in FIG. 4 by the ellipse.
- the initial cluster C has cluster information, in particular a cluster center point CM and a cluster gradient CS. These can be calculated, for example, using a least squares method (least mean square method). In the calculation of the cluster information, all received signals that are to be assigned to the cluster, i.e. in particular that are located in the surrounding area U, are preferably weighted equally.
- the cluster information can be calculated as follows:
- the mean value of the transmission time E(X), ie the mean value over time of cluster C, is determined by the temporal distribution (horizontal distribution of the received signals in FIGS. 3 and 4) of the received signals in cluster C. For example, this is calculated as follows: whereby:
- A number of received signals in the cluster; and Xi: time of transmission of the i-th received signal.
- the mean value of the signal propagation time E(Y) is determined by the distribution of the signal propagation time (distribution of the received signals in the vertical direction in FIGS. 3 and 4) of the received signals in cluster C. For example, this is calculated as follows: whereby:
- A number of received signals in the cluster; and y is the signal propagation time of the i-th received signal.
- the variance of the transmission times (in Fig. 3 and 4 the variance in the horizontal direction, i.e. in the x-direction) or the variance of the signal propagation times (in Fig.
- E(X) average of the transmission times of the received signals of the cluster
- A number of received signals in the cluster; and Xi: transmission time of the i-th received signal
- E(Y) Mean value of the signal propagation time of the received signals of the cluster; A: number of received signals in the cluster; and y signal propagation time of the i-th received signal.
- the covariance between the time of transmission and the signal propagation time can be determined as follows:
- the cluster gradient CS can be determined from the variance Var(X) and the covariance Cov (X,Y).
- the cluster center CM is determined by the mean E(X) of the transmission times of the received signals of cluster C and the mean E(Y) of the signal propagation times of the received signals of cluster C, where E(X) and E(Y) are the coordinates of the cluster center CM indicate.
- the cluster gradient CS indicates the change in the signal propagation time over time and thus indicates the signal propagation time range in which a future received signal will lie if it originates from the same object.
- a tolerance range T is outlined in FIG. 5 by the sector opening to the right from the cluster center point CM. For example, it is checked whether the received signal has a signal propagation time that corresponds to the course of the signal propagation time that is indicated by the cluster gradient CS.
- CM X average of the transmission times of the received signals of the cluster or first coordinate of the cluster center;
- CM y mean value of the signal propagation times of the received signals of the cluster or second coordinate of the center of the cluster;
- Xnew Transmission time of the newly determined received signal
- yneu signal propagation time of the newly determined received signal
- c distance limit. If the new received signal is within the tolerance range, in particular if the above condition is met, the newly determined received signal is associated with the cluster and the cluster information, in particular the cluster center CM and the cluster slope CS, are updated using the newly determined received signal.
- the cluster information is preferably updated by time-dependent weighting of the received signals.
- the received signals that are longer in the past are preferably weighted less than the currently received received signal.
- the weighting factor can be reduced linearly or non-linearly with the time interval. The result of this is that received signals that are longer in the past are weighted increasingly less, so that a non-linear change in the cluster information becomes possible and the cluster C can thus adapt to non-linear received signal profiles.
- the cluster information is updated in that the previously applicable cluster information, in particular the previously applicable mean value of the transmission times of the received signals, the previously applicable mean value of the signal propagation time of the received signals, the previously applicable variance of the transmission times, the previously applicable variance of the signal propagation times and the previously applicable covariance be provided with a first weighting factor between the time of transmission and the signal propagation time in order to obtain weighted, previously valid cluster information.
- This weighted, previously valid cluster information is modified based on one or more received signals to be newly associated, in order thereby to obtain updated cluster information.
- the cluster information can be updated in a way that saves memory resources, since the information on all of the received signals is not stored individually only the previously applicable cluster information.
- the cluster information is preferably updated as follows:
- the mean values E(X) and E(Y) of the cluster C are updated based on the at least one received signal to be newly associated.
- the previously applicable mean values Eait(X) and Eait(Y), which are weighted with a weighting factor, are modified by adding mean values Eneu(X) and Eneu(Y) of the at least one new received signal to be associated.
- the mean values Eneu(X) and Eneu(Y) are also weighted.
- the weighting factors can either be fixed or adaptive. Through the adaptive selection of the weighting factors, it can be achieved that the influence of the at least one received signal to be newly associated can be changed as a function of the driving situation or as a function of the environment to be detected.
- the influence of the at least one received signal to be newly associated can be increased so that the object can be reliably tracked and thus detected.
- the influence of the at least one received signal to be newly associated can be reduced, so that the influence of noise is reduced.
- Xi time of transmission of the i-th received signal to be newly associated; y signal propagation time of the i-th received signal to be newly associated;
- Clusters can be updated as follows: whereby:
- Eait(Y) updated average of the signal propagation times
- Varait(X) previously applicable variance of the sending times of the cluster
- Varait(Y) previously applicable variance of the signal propagation times of the cluster; w: weighting factor
- the weighting factor w is preferably selected in the range 0 ⁇ w ⁇ 0.5, in particular in the range 0.1 ⁇ w ⁇ 0.3.
- FIG. 6 shows the diagram of FIG. 2 with ellipses entered therein.
- the individual ellipses illustrate the mean values in the x and y directions or the variances Var(X) and Var(Y) or the covariances Cov(X,Y) of the received signals to be newly associated with the cluster.
- the sensor system can capture and output Doppler information, i.e. information on the Doppler shift that results from a relative movement of the vehicle and the detected object.
- Doppler information can be used to decide whether to associate one or more new received signals with the cluster.
- the cluster gradient can be compared with the Doppler information in order to decide whether the newly acquired received signal should be assigned to the cluster. This can reduce false associations.
- the formation of random clusters can be reduced in that received signals that can be assigned to a cluster are used to remove other received signals that have arisen due to the same transmission of a transmitted signal in the same and/or other sensors.
- the determination that the received signals originate from the same transmission of the transmitted signal can be made, for example, on the basis of a time coding of the transmitted signals or a frequency coding of the transmitted signals.
- multiple reflections between the vehicle and the object to be detected can be used to confirm the existence of an object or a cluster. That's approaching If the vehicle hits an object, multiple reflections of level n can occur. These have a speed n times higher than in the case of single reflection.
- the traceability of a speed component is limited.
- the information from a detected cluster can be used explicitly to specifically identify a pseudo-cluster with a speed component that is approximately n times as large and at a distance of approximately n times. This reduces noise in other sensors and confirms the existence of the actual cluster.
- FIG. 7 shows a diagram that explains the method steps for assigning received signals to an object.
- each transmission/reception cycle comprising the transmission of a measurement signal by at least one sensor and the receipt of a reflected portion of this measurement signal as a reception signal by a sensor.
- At least one cluster of received signals is then formed using a regression method, the received signals being assigned to a cluster based on their signal propagation time between the transmission of the measurement signal and the receipt of a reflected portion of this measurement signal, in such a way that those received signals are added to a cluster whose Signal propagation times change linearly or essentially linearly over time, taking into account a predetermined variance (S11).
- a tolerance range is then determined for the at least one cluster, with the tolerance range specifying a signal propagation time range in which a future received signal must lie in order to be able to be assigned to the cluster (S12). After receiving a new received signal, it is checked based on the tolerance range whether the new received signal can be assigned to the cluster (S13). Lastly, updated cluster information of the cluster to which the reception signal can be assigned is calculated based on the regression method considering information of the reception signals assigned to the cluster (S14).
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)
- Acoustics & Sound (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102021212980.3A DE102021212980B3 (de) | 2021-11-18 | 2021-11-18 | Verfahren zur Zuordnung von Empfangssignalen einer Sensorik eines Fahrzeugs zu einem Objekt |
| PCT/DE2022/200258 WO2023088522A1 (de) | 2021-11-18 | 2022-11-03 | Verfahren zur zuordnung von empfangssignalen einer sensorik eines fahrzeugs zu einem objekt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP4433843A1 true EP4433843A1 (de) | 2024-09-25 |
Family
ID=84362375
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP22812425.1A Pending EP4433843A1 (de) | 2021-11-18 | 2022-11-03 | Verfahren zur zuordnung von empfangssignalen einer sensorik eines fahrzeugs zu einem objekt |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP4433843A1 (de) |
| DE (1) | DE102021212980B3 (de) |
| WO (1) | WO2023088522A1 (de) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010030404A (ja) | 2008-07-28 | 2010-02-12 | Visteon Global Technologies Inc | 先行車両の位置検出方法及び位置検出装置並びにデータフィルタリング方法 |
| DE102010018038B4 (de) * | 2010-04-23 | 2023-08-10 | Valeo Schalter Und Sensoren Gmbh | Verfahren zum Warnen eines Fahrers eines Fahrzeugs vor der Anwesenheit von Objekten in einem Totwinkelbereich und entsprechende Fahrerassistenzeinrichtung |
| CN112881993B (zh) * | 2021-01-18 | 2024-02-20 | 零八一电子集团有限公司 | 自动识别雷达分布杂波引起虚假航迹的方法 |
-
2021
- 2021-11-18 DE DE102021212980.3A patent/DE102021212980B3/de active Active
-
2022
- 2022-11-03 EP EP22812425.1A patent/EP4433843A1/de active Pending
- 2022-11-03 WO PCT/DE2022/200258 patent/WO2023088522A1/de not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| DE102021212980B3 (de) | 2023-03-02 |
| WO2023088522A1 (de) | 2023-05-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2999975B1 (de) | Bestimmung eines elevations-dejustagewinkels eines radarsensors eines kraftfahrzeugs | |
| DE102015006931B4 (de) | Parkzonen-Erkennungsvorrichtung und Steuerungsverfahren davon | |
| DE102017101476B3 (de) | Lokalisieren eines Objekts in einer Umgebung eines Kraftfahrzeugs durch ein Ultraschallsensorsystem | |
| WO2018091386A1 (de) | Verfahren zum erfassen und zur klassifizierung eines objekts mittels zumindest einer sensorvorrichtung auf basis einer belegungskarte, fahrerassistenzsystem sowie kraftfahrzeug | |
| WO2008068088A1 (de) | Verfahren zum betrieb eines radarsystems bei möglicher zielobjektverdeckung sowie radarsystem zur durchführung des verfahrens | |
| DE102017112784A1 (de) | Verfahren zum Erfassen von Objekten in einem Umgebungsbereich eines Kraftfahrzeugs, Lidar-Sensorvorrichtung, Fahrerassistenzsystem sowie Kraftfahrzeug | |
| WO2013178407A1 (de) | Verfahren und vorrichtung zur verarbeitung stereoskopischer daten | |
| DE102018200688A1 (de) | Verfahren und Vorrichtung zum Betreiben eines akustischen Sensors | |
| EP2065727A1 (de) | Verfahren zur Schätzung der Breite von Radarobjekten | |
| EP4256371A2 (de) | Verfahren zur höhenklassifikation von objekten mittels ultraschallsensorik | |
| EP4256377A1 (de) | Verfahren zur erkennung von parklücken mittels ultraschallsensoren | |
| DE102022202524B4 (de) | Verfahren zur Objektklassifizierung | |
| DE102021212980B3 (de) | Verfahren zur Zuordnung von Empfangssignalen einer Sensorik eines Fahrzeugs zu einem Objekt | |
| DE102018133094B4 (de) | Hinderniserfassungsverfahren und Vorrichtung hierfür | |
| DE102020211745A1 (de) | Verfahren zur Auswertung von Radarsignalen in einem Radarsystem mit mehreren Sensoreinheiten | |
| EP1433002A2 (de) | Verfahren zum bestimmen der position eines zielobjektes und nach diesem verfahren betriebenes radarsystem | |
| DE10238896B4 (de) | Verfahren zur Auswertung von Radardaten | |
| DE102017126183A1 (de) | Verfahren zum Erfassen und zur Klassifizierung eines Objekts mittels zumindest einer Sensorvorrichtung auf Basis einer Belegungskarte, Fahrerassistenzsystem und Kraftfahrzeug | |
| EP4256378A1 (de) | Verfahren zur erkennung von parklücken mittels ultraschallsensoren | |
| DE102023205593A1 (de) | VERFAHREN UND EINRICHTUNG ZUM ERKENNEN VON STATISCHEN OBJEKTEN MITTELS EINES RADARSENSORS EINER EINHEIT AM STRAßENRAND | |
| DE102017006780A1 (de) | Verfahren zur radarbasierten Bestimmung einer Höhe eines Objekts | |
| EP4732046A1 (de) | Verfahren zum erzeugen einer eine umgebung eines fahrzeugs beschreibenden umgebungsinformation, umfelderfassungseinrichtung, fahrzeug und computerprogrammprodukt | |
| DE102017201837A1 (de) | Verfahren zum Erkennen und Filtern von Niederschlag auf einem Radarsensor in einem Fahrzeug. | |
| WO2025180933A1 (de) | Verfahren zur überwachung eines innenraums für ein kraftfahrzeug mit zumindest einem ultraschallsystem, innenraumüberwachungsvorrichtung für ein kraftfahrzeug sowie kraftfahrzeug | |
| DE102024201854A1 (de) | Verfahren und System zum Erkennen von Falschdetektionen |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: UNKNOWN |
|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE |
|
| PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE |
|
| 17P | Request for examination filed |
Effective date: 20240618 |
|
| AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC ME MK MT NL NO PL PT RO RS SE SI SK SM TR |
|
| DAV | Request for validation of the european patent (deleted) | ||
| DAX | Request for extension of the european patent (deleted) | ||
| RAP3 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: AUMOVIO AUTONOMOUS MOBILITY GERMANY GMBH |