EP1339561B1 - Systeme pour controler le champ peripherique d'un vehicule - Google Patents
Systeme pour controler le champ peripherique d'un vehicule Download PDFInfo
- Publication number
- EP1339561B1 EP1339561B1 EP01998458A EP01998458A EP1339561B1 EP 1339561 B1 EP1339561 B1 EP 1339561B1 EP 01998458 A EP01998458 A EP 01998458A EP 01998458 A EP01998458 A EP 01998458A EP 1339561 B1 EP1339561 B1 EP 1339561B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- sensors
- vehicle
- arrangement according
- processing
- information
- 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.)
- Expired - Lifetime
Links
- 238000012544 monitoring process Methods 0.000 title claims description 6
- 238000012545 processing Methods 0.000 claims description 19
- 230000003287 optical effect Effects 0.000 claims description 13
- 230000003595 spectral effect Effects 0.000 claims description 9
- 238000001514 detection method Methods 0.000 description 11
- 238000005259 measurement Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000011156 evaluation Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000006855 networking Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/16—Anti-collision systems
- G08G1/167—Driving aids for lane monitoring, lane changing, e.g. blind spot detection
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/16—Anti-collision systems
- G08G1/166—Anti-collision systems for active traffic, e.g. moving vehicles, pedestrians, bikes
Definitions
- the invention relates to an arrangement for monitoring the environment of a vehicle with sensors for detecting properties of the environment and means for processing the detected information.
- a radar sensor is generally unable to distinguish between a living object, such as a pedestrian, and an object.
- radar sensors and ultrasonic sensors in the immediate vehicle environment have the disadvantage that they can detect only a small area of the environment due to their small opening angle. So if you want to capture the entire vehicle environment with such sensors, so a large number of sensors is required.
- the Japanese Patent Application JP 2000 128031 discloses a 360 ° surround sensor in a motor vehicle having a hyperbolic mirror and a camera. From the US 5,949,331 An arrangement is known for vehicles with image recording devices and a display for displaying a synthesized image of the image recording devices.
- the invention is based on the generic arrangement claimed in claim 1 in that the sensors are optical sensors, that at least two sensors are provided, that the sensors operate in the wide-angle range and that the means for processing the acquired information output spatial information.
- Optical sensors have the advantage over the other sensors mentioned that the possibility exists to classify objects in the vehicle environment. For example, it is possible to distinguish between an object and a living object. Due to the fact that at least two sensors are provided, a spatial detection of the vehicle environment is made possible. The two optical sensors act as a stereo camera pair. Due to the detection of a wide-angle range of the sensors, wherein the sensors can in principle have different properties, a large part of the vehicle environment can be detected.
- the means for processing the acquired information output spatial information Due to the fact that the means for processing the acquired information output spatial information, a person, for example the driver of the vehicle, can be informed in detail about the characteristics of the vehicle environment.
- the processing in the means for processing takes place by means of algorithms of digital image processing and with other algorithms for evaluating the sensors. Overall, a saving of costs is achieved on the basis of the invention, since it is possible to dispense with a large number of individual sensors for satisfactory detection of the surroundings. In addition to saving a large number of individual sensors, system complexity can also be reduced. This is because no networking of a large number of sensors is required.
- At least one of the sensors preferably has a fisheye optic.
- Fisheye optics are capable of detecting a large solid angle, which is approximately in the range of 220 °. Thus, a large part of the environment of the motor vehicle can be detected. When using several sensors, it is possible to output spatial information about the entire vehicle environment.
- At least one of the sensors has an optical system for detecting a viewing angle of 360 °, in particular a parabolic or paraboloid mirror optical system.
- sensors are provided for detecting further characteristics of the environment, wherein the information corresponding to the properties can be supplied to the means for processing the acquired information.
- the arrangement according to the invention can therefore process the information from additional information sources.
- sensors come into consideration, such as radar or ultrasonic sensors. It is also conceivable that information is provided which does not affect the vehicle environment. For example, steering angle sensors, yaw rate sensors, monitoring of the vehicle locks and vibration sensors can be considered as further sources of information for the arrangement according to the invention.
- optical sensors are provided.
- the detection of the vehicle environment can be improved. For example, blind spots can be avoided.
- the means for processing the acquired information have a controller.
- the controller is capable of all information of the sources of information involved, to process and to issue corresponding spatial information.
- the controller uses algorithms of digital image processing and other algorithms for evaluating the sensors.
- the means for processing the acquired information outputs it to a driver information system.
- the driver information system may appropriately present the information to the driver.
- the presentation of information can be visual, acoustic or haptic.
- the means for processing the acquired information output this to an actuator. It is thus possible to actively intervene in the vehicle state. For example, interventions in the engine control, the brakes, the clutch or the alarm system are conceivable.
- Means are provided for generating light in the infrared spectral range, and the light can be emitted via the sensor optics in the environment of the vehicle.
- the optical sensors must be designed so that they are able to realize a detection in the infrared spectral range. This also has the advantage, independent of the separate generation of light in the infrared spectral range, that infrared radiation in the environment can be evaluated.
- the sensor optics can be used both for detecting the light emitted by the environment and for emitting the infrared light generated in the vehicle, a particularly rational arrangement is given. LEDs can be used as inexpensive sources of light in the infrared spectral range.
- an imager chip which is sensitive in the near infrared spectral range. In this way, the possibility of detection in the infrared spectral range is given. If one uses such an imager chip, for example in conjunction with a parabolic optics, an approximately circular image is produced on the imager chip. Then, advantageously, only this illuminated area of the imager chip is designed from photosensitive material, wherein the remaining area of the imager chip can be used, for example, for the evaluation logic.
- the sensors are arranged on the roof of a vehicle.
- the monitoring of the entire vehicle environment with only one camera and / or a camera pair is possible.
- the attachment of a stereo camera pair at the rear of the vehicle is conceivable, and it is particularly useful here to attach another camera in the front area of the vehicle. This arrangement is particularly suitable for rear-facing applications, such as for use as a rear view camera.
- the sensors in the side area have a free field of view. If you bring the sensors, for example, on the vehicle roof next to each other, so covers one sensor, the field of view of the other sensor in the lateral direction. This creates dead angles in the side region of the vehicle, which are particularly problematic. This circumstance can be counteracted by arranging the sensors offset so that there are free fields of view in the side area of the vehicle. This is particularly useful in terms of detecting the blind spot of the driver's field of view.
- the invention is based on the surprising knowledge that the entire bandwidth of the available algorithms of digital image processing can be used in the field of stereo environment measurement.
- the possibility of the entire detectable vehicle environment Measuring three-dimensionally offers numerous advantages.
- objects can be detected, traffic signs can be classified, lane boundaries can be found, and people in the vehicle environment can be detected.
- a variety of assistants, services and applications for the driver can be provided.
- Conceivable are applications in the field of active vehicle safety. For example, a precrash sensor system, the calculation and execution of braking and evasive maneuvers, support for stop & go, lane detection, ACC support and an automatic emergency brake can be implemented here.
- Assistance systems such as traffic sign recognition and parking assistance can also be implemented.
- a security system which operates as an anti-theft alarm device.
- the controller recognizes moving objects in the vehicle environment and sounds an alarm if a non-identifiable object appears trying to open the vehicle.
- objects can be classified in the vehicle environment with the optical information.
- video images can be displayed to the driver not only in a direct form but also in a modified form.
- the images may be equalized, or recognized objects may be highlighted according to their meaning.
- FIG. 1 shows a plan view of a motor vehicle 10.
- an optical sensor 12 On the roof 48 of the motor vehicle 10, an optical sensor 12 is arranged.
- the sensor 12 has a field of view 50 of 360 °.
- the representation of the field of view 50 is not to scale. With a single optical sensor 12, a two-dimensional image can be generated, so that a spatial resolution of the vehicle environment with an arrangement according to FIG. 1 is not possible.
- FIG. 2 shows a motor vehicle 10 with two sensors 14, 16, which are arranged on the roof 48 of the vehicle 10.
- FIG. 3 likewise shows a vehicle 10 with two sensors 18, 20 on the vehicle roof 48, wherein here additionally by circles 52, 54 it is shown that both sensors 18, 20 have an opening angle of 360 °. Since the two sensors 18, 20 have a distance from each other, the fields of view of the two sensors 18, 20, which are symbolized by the circles 52, 54, offset from each other. In the intersection of the two circles 52, 54 a stereo survey of the environment is possible. Consequently, the arrangement according to FIG. 3 allows numerous applications in which spatial resolution is important. On the axis of the connecting line between the sensors 18, 20 occurs due to the mutual shading to blind spots 56, 58 in the lateral region of the vehicle. There is no stereo measurement in these dead angles possible because one of the cameras 18, 20 is shaded.
- Figure 4 shows, inter alia, a way to avoid this lateral shading.
- a plan view the arrangements of a plurality of sensors 22, 24, 26, 28, 30, 32, 34, are shown on a motor vehicle 10.
- a lateral shading can be avoided.
- the staggered arrangement of the sensors 22, 24 also take place in the side region of the motor vehicle 10, a stereo measurement. This is particularly useful with regard to the detection of the blind spot with respect to the field of vision of the driver.
- two further cameras 26, 28 are shown in the front region of the motor vehicle, which are advantageously combined with a sensor 34 at the rear of the motor vehicle.
- a controller for ACC Stop & Go can be realized particularly well.
- the use of three cameras ie an additional camera in comparison to the embodiments according to FIG. 2 and FIG. 3, makes it possible to further improve the three-dimensional modeling of the vehicle surroundings.
- additional cameras 30, 32 at the rear of the motor vehicle 10, this being particularly suitable for applications intended to detect the rear field.
- These cameras 30, 32 can also be combined with other cameras, for example in the front region of the motor vehicle 10.
- FIG. 5 is a block diagram for explaining the present invention.
- three cameras 26, 28, 34 are provided, which are arranged, for example, in the front region and in the rear region of a motor vehicle. Each of these cameras is equipped with an optic 38.
- the information captured by the cameras 26, 28, 34 is transmitted to a controller 36.
- the controller 36 can also be transmitted information from further information sources 60, for example from a steering angle sensor.
- the controller 36 processes this information using algorithms of digital image processing and other algorithms for evaluating the information of the sensor 60.
- the results of these evaluations are output to a vehicle information system 40. This can present the information to a driver in an appropriate manner.
- the presentation of information can be visual, acoustic or haptic.
- the controller 36 may also actively engage the vehicle state by driving one or more actuators 42. Interventions in the engine control, the brake, the clutch or an alarm system are conceivable, to name just a few examples.
- FIG. 6 diagrammatically shows the optics of a sensor for an arrangement according to the invention.
- a paraboloidal mirror pad 38 is provided which produces a substantially annular image. This image is projected onto an imager chip 46.
- the imager chip 46 is shown with the annular portion 62.
- the regions which lie within the annular region 62 and which are outside the annular region 62 are used for other tasks, such as an evaluation logic.
- FIG. 7 likewise shows an optical system which can be used in the context of the present invention. Again, it is a paraboloid mirror optics 38.
- the paraboloid mirror optics 38 are used to radiate light generated by an LED 64 into the environment. Thus, a lighting environment takes place.
- the same exemplary paraboloid mirror optics 38 is then used to capture the images of the environment. It is particularly advantageous if the LED 64 is able to emit light which is in the infrared spectral range. Thus, an illumination of an ambient scene at night is possible, wherein the detection of incident infrared light can also be independent of the light source 64.
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Traffic Control Systems (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Closed-Circuit Television Systems (AREA)
Claims (11)
- Dispositif de surveillance de l'environnement d'un véhicule (10) comportant :- des capteurs (14, 16, 18, 20, 22, 24, 26, 28, 30, 32, 34) pour saisir des propriétés de l'environnement et- des moyens (36) pour traiter les informations saisies,- les capteurs (14, 16, 18, 20, 22, 24, 26, 28, 30, 32, 34) étant des capteurs optiques,- les moyens (36) destinés à traiter les informations saisies sortant des informations spatiales,caractérisé en ce que- au moins deux capteurs (14, 16, 18, 20, 22, 24, 26, 28, 30, 32, 34) comprennent une optique de détection (38), de sorte que les capteurs (14, 16, 18, 20, 22, 24, 26, 28, 30, 32, 34) travaillent dans la zone de grand angle,- des moyens (64) peuvent produire de la lumière dans la région du spectre infrarouge, et- la lumière est émise par l'optique de détection (38) dans le environnement du véhicule (10), l'optique de détection (38) étant utilisée aussi bien pour la détection de la lumière issue de l'environnement que pour l'émission de la lumière infrarouge produite dans le véhicule (10).
- Dispositif selon la revendication 1,
caractérisé en ce qu'
au moins l'un des capteurs présente une optique en oeil de poisson. - Dispositif selon la revendication 1 ou 2,
caractérisé en ce qu'
au moins l'un des capteurs (18, 20) présente une optique pouvant saisir un angle de vue de 360°, en particulier une optique à miroirs parabolique ou paraboloïde (38). - Dispositif selon l'une quelconque des revendications précédentes,
caractérisé en ce que
d'autres capteurs (26, 28, 30, 32, 34) peuvent saisir d'autres propriétés de l'environnement, les informations correspondant aux propriétés pouvant être fournies aux moyens (36) destinés à traiter les informations saisies (36). - Dispositif selon l'une quelconque des revendications précédentes,
caractérisé par
d'autres capteurs optiques (26, 28, 30, 32, 34). - Dispositif selon l'une quelconque des revendications précédentes,
caractérisé en ce que
les moyens (36) destinés à traiter les informations saisies présentent un contrôleur. - Dispositif selon l'une quelconque des revendications précédentes,
caractérisé en ce que
les moyens (36) destinés à traiter les informations détectées sortent celles-ci sur un système d'information du conducteur (40). - Dispositif selon l'une quelconque des revendications précédentes,
caractérisé en ce que
les moyens (36) destinés à traiter les informations détectées sortent celles-ci sur un système d'actionneurs (42). - Dispositif selon l'une quelconque des revendications précédentes,
caractérisé en ce qu'
on prévoit une puce de dispositif d'imagerie (46) sensible dans la région proche du spectre infrarouge. - Dispositif selon l'une quelconque des revendications précédentes,
caractérisé en ce que
les capteurs (14, 16, 18, 20, 22, 24) sont montés sur le toit (48) d'un véhicule (10). - Dispositif selon l'une quelconque des revendications précédentes,
caractérisé en ce que
les capteurs (22, 24) ont un champ de vision libre dans la zone latérale du véhicule (10).
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10059313A DE10059313A1 (de) | 2000-11-29 | 2000-11-29 | Anordnung und Verfahren zur Überwachung des Umfelds eines Fahrzeugs |
DE10059313 | 2000-11-29 | ||
PCT/DE2001/003931 WO2002043982A1 (fr) | 2000-11-29 | 2001-10-13 | Systeme et procede pour controler le champ peripherique d'un vehicule |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1339561A1 EP1339561A1 (fr) | 2003-09-03 |
EP1339561B1 true EP1339561B1 (fr) | 2007-07-25 |
Family
ID=7665142
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01998458A Expired - Lifetime EP1339561B1 (fr) | 2000-11-29 | 2001-10-13 | Systeme pour controler le champ peripherique d'un vehicule |
Country Status (5)
Country | Link |
---|---|
US (1) | US7362215B2 (fr) |
EP (1) | EP1339561B1 (fr) |
JP (1) | JP3844737B2 (fr) |
DE (2) | DE10059313A1 (fr) |
WO (1) | WO2002043982A1 (fr) |
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JPH11205817A (ja) * | 1998-01-13 | 1999-07-30 | Nippon Hoso Kyokai <Nhk> | 広視野画像作成・表示システム |
DE19801884A1 (de) | 1998-01-20 | 1999-07-22 | Mannesmann Vdo Ag | Überwachungssystem für Fahrzeuge |
JP3600422B2 (ja) * | 1998-01-30 | 2004-12-15 | 株式会社リコー | ステレオ画像表示方法及び装置 |
JP4184485B2 (ja) | 1998-07-01 | 2008-11-19 | 株式会社東海理化電機製作所 | カメラ付ドアミラー及び車両周辺認識システム |
JP3327255B2 (ja) | 1998-08-21 | 2002-09-24 | 住友電気工業株式会社 | 安全運転支援システム |
JP2000225970A (ja) * | 1998-11-30 | 2000-08-15 | Tuner Kk | 車載用画像記録システム |
DE19932779A1 (de) | 1999-07-14 | 2001-01-25 | Daimler Chrysler Ag | Rückfahrhilfe |
AU2001259640A1 (en) * | 2000-05-08 | 2001-11-20 | Automotive Technologies International, Inc. | Vehicular blind spot identification and monitoring system |
JP3627914B2 (ja) * | 2000-05-23 | 2005-03-09 | シャープ株式会社 | 車両の周囲監視システム |
-
2000
- 2000-11-29 DE DE10059313A patent/DE10059313A1/de not_active Ceased
-
2001
- 2001-10-13 JP JP2002545938A patent/JP3844737B2/ja not_active Expired - Fee Related
- 2001-10-13 US US10/432,883 patent/US7362215B2/en not_active Expired - Lifetime
- 2001-10-13 EP EP01998458A patent/EP1339561B1/fr not_active Expired - Lifetime
- 2001-10-13 DE DE50112771T patent/DE50112771D1/de not_active Expired - Lifetime
- 2001-10-13 WO PCT/DE2001/003931 patent/WO2002043982A1/fr active IP Right Grant
Non-Patent Citations (1)
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None * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102014211543A1 (de) | 2013-06-21 | 2014-12-24 | Ifm Electronic Gmbh | Verfahren und Anordnung zur Erkennung von Gesten in einer Fahrzeugumgebung |
Also Published As
Publication number | Publication date |
---|---|
WO2002043982A1 (fr) | 2002-06-06 |
JP2004514384A (ja) | 2004-05-13 |
DE50112771D1 (de) | 2007-09-06 |
EP1339561A1 (fr) | 2003-09-03 |
US7362215B2 (en) | 2008-04-22 |
DE10059313A1 (de) | 2002-06-13 |
US20040075544A1 (en) | 2004-04-22 |
JP3844737B2 (ja) | 2006-11-15 |
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