WO2018135250A1 - Dispositif caméra - Google Patents

Dispositif caméra Download PDF

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Publication number
WO2018135250A1
WO2018135250A1 PCT/JP2017/046528 JP2017046528W WO2018135250A1 WO 2018135250 A1 WO2018135250 A1 WO 2018135250A1 JP 2017046528 W JP2017046528 W JP 2017046528W WO 2018135250 A1 WO2018135250 A1 WO 2018135250A1
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WO
WIPO (PCT)
Prior art keywords
vehicle
notification
determination unit
unit
signal
Prior art date
Application number
PCT/JP2017/046528
Other languages
English (en)
Japanese (ja)
Inventor
衛 大場
Original Assignee
日立オートモティブシステムズ株式会社
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 日立オートモティブシステムズ株式会社 filed Critical 日立オートモティブシステムズ株式会社
Priority to JP2018563243A priority Critical patent/JP6785882B2/ja
Publication of WO2018135250A1 publication Critical patent/WO2018135250A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
    • B60Q1/26—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
    • B60Q1/50—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating other intentions or conditions, e.g. request for waiting or overtaking
    • B60Q1/52—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating other intentions or conditions, e.g. request for waiting or overtaking for indicating emergencies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R11/00—Arrangements for holding or mounting articles, not otherwise provided for
    • B60R11/02—Arrangements for holding or mounting articles, not otherwise provided for for radio sets, television sets, telephones, or the like; Arrangement of controls thereof
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/09—Arrangements for giving variable traffic instructions
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/16—Anti-collision systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60—Control of cameras or camera modules
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast

Definitions

  • the present invention relates to a camera device.
  • a driving technique in which a camera that captures the surroundings is mounted on an automobile, and an image obtained by the camera is analyzed to instruct various operations related to driving.
  • it is required to realize appropriate driving assistance using an image suitable for providing assistance.
  • Patent Document 2 a technique for actively notifying the surrounding vehicles of the presence of the own vehicle when a poor visibility occurs is disclosed (for example, see Patent Document 2). This technology recognizes illumination from another vehicle and determines the visibility state from the recognized state.
  • the present invention has been made based on the circumstances as described above, and an object thereof is to provide a camera device capable of reliably informing the surroundings of the existence of the own vehicle when a poor visibility occurs. There is.
  • the present invention (1) A camera device for driving assistance mounted on a vehicle having a notification means for performing notification to the outside, An imaging unit that captures an image of the surroundings of the vehicle and transmits a function stop signal that notifies the function stop of the distribution of the image when it is determined that the captured image cannot be used for driving support; Based on the function stop signal, an imaging state determination unit that determines whether the cause of the function stop is poor visibility, A camera device comprising: a notification signal output unit configured to output a notification signal to the notification unit when the imaging state determination unit determines that the cause of the function stop is poor visibility; (2) A driving assistance camera device mounted on a vehicle having a notification means for performing notification to the outside, An imaging unit that captures an image of the surroundings of the vehicle and transmits a function stop signal that notifies the function stop of the distribution of the image when it is determined that the captured image cannot be used for driving support; Based on the function stop signal, an imaging state determination unit that determines whether the cause of the function stop is poor visibility, Based on the image of the imaging unit, the surrounding vehicle
  • An imaging unit that captures an image of the surroundings of the vehicle and transmits a function stop signal that notifies the function stop of the distribution of the image when it is determined that the captured image cannot be used for driving support; Based on the function stop signal, an imaging state determination unit that determines whether the cause of the function stop is poor visibility, A receiver for receiving radio signals from surrounding vehicles or traffic infrastructure; A reception determination unit that determines whether or not the wireless signal received by the reception unit is a signal indicating poor visibility; When the imaging state determination unit determines that the cause of the function stop is a poor visibility, or the reception determination unit determines that a radio signal indicating that the visibility is poor is detected, a notification is given to the notification unit A camera device comprising a notification signal output unit for outputting a signal; About.
  • “bad visibility” means a situation where visibility is poor due to bad weather such as heavy rain, heavy fog, and snow.
  • the “notification signal” means a signal that serves as a signal for operating notification means such as a headlamp, a fog lamp, and an emergency flashing indicator lamp.
  • Transport infrastructure means a infrastructure provided outside the vehicle and capable of communicating traffic-related information with the vehicle.
  • the traffic-related information includes, for example, notification information of each vehicle, information such as position and speed.
  • the present invention can provide a camera device that can reliably notify the surroundings of the presence of the vehicle when a poor visibility occurs.
  • FIG. 1 It is a schematic block diagram which shows the camera apparatus which concerns on the 1st Embodiment of this invention. It is the schematic which shows the motor vehicle with which the camera apparatus of FIG. 1 was attached. It is a schematic flowchart which shows the processing flow of the camera apparatus of FIG. It is the schematic which shows the list
  • FIG. 10 It is the schematic which shows an example of operation
  • FIG. 10 It is a schematic block diagram which shows the modification of FIG.
  • FIG. 10 It is a schematic block diagram which shows the camera apparatus which concerns on the 2nd Embodiment of this invention. It is the schematic which shows the motor vehicle with which the camera apparatus of FIG. 10 was attached.
  • the camera device of the present invention is used for driving support mounted on a vehicle having a notification means for performing notification to the outside.
  • notification means means means for notifying the surrounding vehicles, pedestrians, and the like of the presence of the vehicle.
  • the notification means include a headlamp / fog lamp A21, a rear fog lamp A22, an emergency point reduction indicator lamp A23, a tail lamp A24, and a transmitter A25 as shown in FIG.
  • the headlight / fog lamp informs the oncoming vehicle
  • the rear foglight and taillight inform the rear vehicle of the presence of the vehicle by light.
  • the taillight emits light having a luminance higher than the normal luminance and up to a specified limit, and makes the presence of the vehicle more conspicuous than the normal night driving.
  • the emergency point reduction indicator light informs the presence of the vehicle by light reduction when the vehicle stops or becomes extremely slow.
  • the transmission unit communicates wirelessly with other vehicles and / or traffic infrastructure by vehicle-to-vehicle communication and / or road-to-vehicle communication to notify the presence of the own vehicle.
  • FIG. 1 is a schematic block diagram showing a camera device according to a first embodiment of the present invention. As shown in FIG. 1, the camera device 11 is roughly configured by an imaging unit 110, an imaging state determination unit 210, and a notification signal output unit 310.
  • the imaging unit 110 captures an image of the surroundings of the vehicle A11 and transmits a function stop signal for notifying the stop of image distribution when it is determined that the captured image cannot be used for driving support. That is, when the imaging unit 110 can no longer deliver a normal image such as poor visibility due to weather, poor installation such as optical axis misalignment, various adjustment values over, malfunction due to the apparatus body, A function stop signal (for example, a HALT signal, a FAIL signal, etc.) for notifying that imaging and / or distribution of the captured image cannot be performed is transmitted.
  • the imaging unit 110 includes, for example, a camera body (not shown) having an image sensor and a control unit (not shown) that controls the imaging of the camera body and transmits the function stop signal.
  • the imaging state determination unit 210 determines whether the cause of the function stop is poor visibility based on the function stop signal. When the imaging state determination unit 210 determines that the cause is poor visibility, the imaging state determination unit 210 instructs the notification signal output unit 310 (to be described later) to transmit a notification signal.
  • the imaging state determination unit 210 includes the presence / absence of an obstacle obtained when driving assistance, the distance and relative speed with the preceding moving body, the position of the white line, the meaning of various signs, the signal state, etc. This information is used to determine whether or not the recognition result of the image captured by the imaging unit 110 is irrational. If an irrational occurs, the cause is identified.
  • a method for detecting distortion of an image in which a three-dimensional object is captured may be used as a determination as to whether or not there is the above-mentioned irrationality.
  • the outline of a three-dimensional object image is generally formed by a straight line or a curve, but when the explicitlyity occurs, the straight line or the curve is distorted. It is possible to determine the occurrence of irrational.
  • the cause can be identified by analyzing the characteristics of the distortion.
  • Examples of the unreasonable cause include a shift in the mounting position of the camera body, the influence of temperature, poor visibility, and the like, but the cause of unreasonableness is identified by analyzing the distortion characteristics.
  • the imaging state determination unit 210 always determines the rationality of all three-dimensional objects such as vehicles, signboards, bushes, and the like shown in the image, without using the occurrence of a specific event as a condition for starting the determination.
  • the notification signal output unit 310 outputs a notification signal to the notification unit A2 when the imaging state determination unit 210 determines that the cause of the function stop is poor visibility.
  • the notification means A2 of the output destination is the emergency point reduction indicator lamp A23
  • the speed information of the own vehicle is acquired from the speedometer 410 and the speed of the own vehicle is equal to or less than a predetermined value (including the stop state) As long as the notification signal is output.
  • the vehicle A11 to which the camera device 11 configured as described above is attached will be described with reference to FIG.
  • the camera device 11 is attached in the vicinity of the windshield in the vehicle interior of the vehicle A ⁇ b> 11 so that the front of the vehicle A ⁇ b> 11 can be imaged through the windshield.
  • the notification means A2 has a headlight / fog lamp A21 at the front part of the vehicle A11, a rear fog lamp A22 and a tail lamp A24 at the rear part of the vehicle A11, and the lights from the front, rear and sides of the vehicle.
  • An emergency point reduction indicator lamp A23 is attached to each visible position.
  • the transmission unit A25 is mounted in the vehicle interior, but is not particularly limited as long as wireless communication with the outside can be performed.
  • the imaging state determination unit 210 waits for input of a signal from the imaging unit 110 (step S301), and determines whether or not the input signal is a function stop signal (step S302). At this time, if the imaging state determination unit 210 cannot confirm the function stop signal (determination of “No” in step S302), the notification signal output unit 310 is set to a state in which the notification signal is not output (steps S306 and S307), and the imaging is continued. Wait for a signal from the unit 110. On the other hand, when the imaging unit 110 stops its function for some reason and the imaging state determination unit 210 confirms the function stop signal transmitted from the imaging unit 110 (determination of “Yes” in step S302), the imaging state determination unit 210. Performs a function stop information analysis process (step S303).
  • step S303 the cause of the function stop is analyzed using the information obtained from the image as described above.
  • the windshield window is cloudy
  • the windshield is dirty or backlit
  • the snow rolls on the preceding vehicle heavy rain, heavy fog, snow, and the reflection of objects placed on the dashboard.
  • Various adjustment values such that the adjustment value for the ambient illuminance exceeds the adjustment range, the optical axis shift of the camera body, the temperature environment due to the camera body ambient temperature being too low or too high, and the like.
  • a code corresponding to each cause described above is output.
  • the imaging state determination unit 210 determines whether or not the cause of the function stop is poor visibility (step S304). At this time, when it is determined that the field of view is not poor (“No” determination in step S304), the notification signal output unit 310 is set to a state in which the notification signal is not output (steps S308 and S309), and the imaging state determination unit 210 Subsequently, it waits for a signal from the imaging unit 110. On the other hand, when it is determined that the visibility is poor (“Yes” determination in step S304), the notification signal output unit 310 outputs a notification signal (step S305), activates the notification unit A2, and further includes an imaging unit. Wait for a signal from 110. At this time, as shown in FIG. 5, for example, a display such as an icon A31 for notifying the function stop may be provided on the vehicle front panel A3, and the cause of the function stop may be displayed as necessary. Good.
  • the notification signal is stopped in the above-described step S309 because the function of the camera device 11 is restored by removing the cause even if the function is stopped due to poor visibility once. is there.
  • the function of the camera device 11 is restored when it is detected that the fog is clear for a certain time thereafter.
  • the fog lamp A22 is turned off, and dazzling to surrounding vehicles can be prevented.
  • the notification means A2 is differentially performed through steps S301 to S305.
  • the tail lamp A24 of the host vehicle B1 is turned on or the brightness is increased, and the rear fog lamp A22 is automatically turned on to make the rear area B12 of the host vehicle B1 stand out. Therefore, the driver of the succeeding vehicle B2 can recognize the host vehicle B1 and avoid a collision (for example, braking). Further, when the following vehicle B2 supports inter-vehicle communication, the same response can be made by receiving information such as GPS position and speed transmitted by the own vehicle B1 using the radio signal W11.
  • the radio signal used in the transmission unit A25 is not particularly limited as long as the contents of the signal can be read, and electromagnetic waves such as radio waves and infrared rays, and sound waves such as ultrasonic waves can be used.
  • the headlamp / fog lamp A21 of the own vehicle B1 is automatically turned on so that the front area B11 of the own vehicle B1 is conspicuous. These can be recognized to avoid collisions (for example, braking). Further, when the oncoming vehicle B3 supports inter-vehicle communication, the same response can be made by receiving information such as the GPS position and speed transmitted by the host vehicle B1 using the radio signal W12.
  • information on the GPS position, speed, etc. of the host vehicle B1 is transmitted to the road equipment C1 installed on the road using the wireless signal W13, and the traffic infrastructure (not shown) acquired through the road equipment C1
  • the situation may be comprehensively analyzed, and the analysis result may be reflected in the traffic around the host vehicle B1.
  • FIG. 6 an example in which the driver of the own vehicle B1 who feels uneasy due to poor visibility makes the presence of the own vehicle known when the host vehicle B1 is decelerated or stopped is shown in FIG. Will be described with reference to FIG.
  • the notification signal output unit 310 operates the emergency point reduction indicator lamp A23 as the notification means A2.
  • step S307 may be executed only when the determination of the visibility recovery continues for a certain time or longer (for example, stop of the radio signals W14 to W16).
  • step S302 shown in FIG. 3 is “No” and step S306 is “Yes”, and the notification signal is stopped in step S307 only when this state continues for a certain time or longer, and the operation of the notification unit A2 is performed. Is released. Thereby, frequent switching of the notification signal output in a case where the visual field is recovered for a moment can be prevented, and confusion given to the driver of the succeeding vehicle B2 and the oncoming vehicle B3 can be suppressed.
  • the camera device 11 includes an automatic notification switch (not shown) that can select whether or not to execute the above-described processing of steps S301 to S309 (hereinafter also referred to as “automatic notification processing at the time of poor visibility”). May be.
  • an automatic notification switch (not shown) that can select whether or not to execute the above-described processing of steps S301 to S309 (hereinafter also referred to as “automatic notification processing at the time of poor visibility”). May be.
  • the automatic notification switch may be interlocked with the automatic lighting mode switch of the headlamp, or may be independent.
  • step S310 the state of the automatic notification switch is determined. Do not execute the process. Even if the automatic notification process at the time of poor visibility is already being executed, if the automatic notification switch is turned off, the notification signal is stopped (step S311).
  • the camera device 11 since the camera device 11 includes the imaging unit 110, the imaging state determination unit 210, and the notification signal output unit 310 described above, the presence of the host vehicle B1 with respect to the surroundings when a poor visibility occurs. Can be surely informed. In particular, a driver who has discontinued driving support due to a function stop is likely to be temporarily in a confused state, such as turning on a fog lamp at the driver's will for a function stop caused by fog, etc. It is often difficult to apply self-defense measures. In such a situation, the camera device 11 can automatically turn on the fog lights A21 and A22, and can reduce the possibility of a collision with the succeeding vehicle B2, the oncoming vehicle B3, and the like.
  • the camera device 11 since the camera device 11 has the above-described configuration, it is not necessary to provide a dedicated sensor (such as a camera other than for driving support) for detecting a visual field defect, and the camera device can be simplified. Even if there is no other vehicle around the own vehicle B1, it is possible to detect poor visibility by the own vehicle B1 alone.
  • a dedicated sensor such as a camera other than for driving support
  • FIG. 10 is a schematic block diagram showing a camera device according to a second embodiment of the present invention.
  • the camera device 12 schematically includes an imaging unit 110, an imaging state determination unit 210, a surrounding vehicle lighting determination unit 221, a reception unit 222, a reception determination unit 223, and a notification signal. And an output unit 320.
  • the second embodiment is different from the first embodiment in that a surrounding vehicle lighting determination unit 221, a reception unit 222, a reception determination unit 223, and a notification signal output unit 320 are provided. Since the imaging unit 110 and the imaging state determination unit 210 are the same as those in the first embodiment described above, the same parts are denoted by the same reference numerals and detailed description thereof is omitted.
  • the surrounding vehicle lighting determination unit 221 determines whether or not surrounding vehicles are lit based on the image of the imaging unit 110. Specifically, the surrounding vehicle lighting determination unit 221 includes a headlamp / fog lamp A21, a rear foglight A22, an emergency point reduction indicator lamp A23, a tail lamp A24, and the like of the surrounding vehicle in the image acquired from the imaging unit 110.
  • the notification means A2 has a function of determining whether or not the notification means A2 is lit. When at least one of the notification means A2 is lit, a notification signal is output to the notification signal output section 320 described later. Send instructions to do. For example, a known image processing technique can be used to determine whether the notification unit A2 is turned on.
  • the receiving unit 222 receives radio signals from surrounding vehicles or traffic infrastructure.
  • the surrounding vehicle is, for example, a vehicle including a transmission unit having the same function as the transmission unit A25 described in the first embodiment, and is a vehicle located around the own vehicle. is there.
  • the radio signal used in the receiving unit 222 is not particularly limited as long as the contents of the signal can be read, and electromagnetic waves such as radio waves and infrared rays, and sound waves such as ultrasonic waves can be used.
  • the reception determination unit 223 determines whether or not the wireless signal W2 received by the reception unit 222 is a signal indicating that the visibility is poor. When the reception determination unit 223 determines that the received wireless signal W2 is a signal indicating poor visibility, the reception determination unit 223 transmits an instruction to output a notification signal to the notification signal output unit 320 described later.
  • the notification signal output unit 320 acquires signals from the imaging state determination unit 210, the surrounding vehicle lighting determination unit 221, and the reception determination unit 223, and the imaging state determination unit 210 determines that the cause of the function stop is poor visibility. If the surrounding vehicle lighting determination unit 221 determines that the surrounding vehicle is lit, or if the reception determination unit 223 determines that the wireless signal W2 indicating that the visibility is poor is detected, the notification means A2 To output a notification signal.
  • the camera device 12 is attached in the vicinity of the windshield in the vehicle interior of the vehicle A12 so that the front of the vehicle A12 can be imaged through the windshield.
  • the notification means A2 has a headlight / fog lamp A21 at the front part of the vehicle A12, a rear fog light A22 and a taillight A24 at the rear part of the vehicle A12, and the lights from the front, rear and sides of the vehicle.
  • An emergency point reduction indicator lamp A23 is attached to each visible position.
  • reception unit 222 and the reception determination unit 223 are each installed in the vehicle interior.
  • the reception unit 222 and the reception determination unit 223 may be integrally formed.
  • the description in the first embodiment is incorporated and omitted.
  • the imaging unit 110 of the camera device 12 starts operating, and the imaging state determination unit 210, the surrounding vehicle lighting determination unit 221, the reception unit 222, and the reception determination unit. 223 is activated.
  • the imaging state determination unit 210 waits for input of a signal from the imaging unit 110 (step S301), and determines whether or not the input signal is a function stop signal. (Step S302) A function stop information analysis process is performed (Step S303), it is determined whether or not the cause of the function stop is a poor visibility (Step S304), and a notification signal is output in response to the determination that the visibility is poor. A signal for instructing the output of the notification signal to unit 320 is transmitted.
  • the surrounding vehicle lighting determination unit 221 acquires an image from the imaging unit 110, determines whether or not the notification unit of the surrounding vehicle is lit, and notifies the notification signal output unit 320 upon receiving the above determination of lighting. A signal that instructs the output of the signal is transmitted.
  • the reception determination unit 223 acquires a signal from the reception unit 222, determines whether or not the wireless signal W2 is a signal indicating poor visibility, and the received wireless signal W2 is defective in visibility. In response to the determination, a signal instructing the notification signal output unit 320 to output the notification signal is transmitted.
  • the notification signal output unit 320 receives a signal instructing the output of the notification signal from at least one of the imaging state determination unit 210, the surrounding vehicle lighting determination unit 221 and the reception determination unit 223, the notification lamp / fog A notification signal is output to the notification means A2 such as the lamp A21.
  • the notification signal output unit 320 is a signal that instructs the output of the notification signal from any of the imaging state determination unit 210, the surrounding vehicle lighting determination unit 221, and the reception determination unit 223 when the notification unit A2 is already operating.
  • the output of the notification signal may be stopped.
  • the camera device 12 includes the imaging unit 110, the imaging state determination unit 210, the surrounding vehicle lighting determination unit 221, the reception unit 222, the reception determination unit 223, and the notification signal output unit 320 described above.
  • the imaging state determination unit 210 can be adapted to the situation of the vehicle surrounding the host vehicle even under conditions such as a thin mist that does not lead to a poor visibility.
  • the notification means A2 can be activated, or the notification means A2 of the own vehicle can be activated using the notification information from the other vehicle or the traffic infrastructure using the wireless signal W2, and traffic safety can be further improved.
  • the camera device 11 includes the imaging state determination unit 210, and in the second embodiment, the imaging state determination unit 210, the surrounding vehicle lighting determination unit 221, and the reception unit 222 and the reception determination unit.
  • the camera device 12 including any of the H.223 has been described, but the camera device 12 including the imaging state determination unit 210 and the surrounding vehicle lighting determination unit 221 that does not include the reception unit and the reception determination unit, and the surrounding vehicle.
  • a camera device that does not include the lighting determination unit and includes the imaging state determination unit 210, the reception unit 222, and the reception determination unit 223 may be used.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Traffic Control Systems (AREA)
  • Closed-Circuit Television Systems (AREA)
  • Studio Devices (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)

Abstract

La présente invention a pour objet de fournir un dispositif caméra permettant d'assurer une notification locale de la présence du véhicule hôte dans des conditions de mauvaise visibilité. Ledit dispositif caméra (11) constitue un dispositif caméra d'aide à la conduite installé dans un véhicule (A11) comprenant un moyen de notification (A2) permettant d'émettre une notification vers l'extérieur, et comprenant : une unité d'imagerie (110) permettant de capturer des images autour du véhicule (A11) et d'émettre un signal d'interruption de fonction notifiant qu'une fonction de distribution d'image s'est interrompue lors de la détermination que les images capturées ne peuvent pas être utilisées pour l'exécution d'une aide à la conduite ; une unité de détermination d'état d'imagerie (210) permettant de déterminer si l'interruption de la fonction est provoquée ou non par une mauvaise visibilité en fonction du signal d'interruption de fonction ; et une unité de sortie de signal de notification (310) permettant d'émettre en sortie un signal de notification au moyen de notification (A2) lorsque l'unité de détermination d'état d'imagerie (210) détermine qu'une mauvaise visibilité est la cause de l'interruption de la fonction.
PCT/JP2017/046528 2017-01-20 2017-12-26 Dispositif caméra WO2018135250A1 (fr)

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Application Number Priority Date Filing Date Title
JP2018563243A JP6785882B2 (ja) 2017-01-20 2017-12-26 カメラ装置

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JP2017-008715 2017-01-20
JP2017008715 2017-01-20

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000293799A (ja) * 1999-04-09 2000-10-20 Honda Motor Co Ltd 自動追従走行システムにおけるライティング制御装置
JP2007245970A (ja) * 2006-03-16 2007-09-27 Denso Corp 車両用照明装置
WO2014007175A1 (fr) * 2012-07-03 2014-01-09 クラリオン株式会社 Dispositif de reconnaissance de l'environnement monté dans un véhicule
JP2016057655A (ja) * 2014-09-05 2016-04-21 三菱電機株式会社 自動走行管理システム、サーバおよび自動走行管理方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000293799A (ja) * 1999-04-09 2000-10-20 Honda Motor Co Ltd 自動追従走行システムにおけるライティング制御装置
JP2007245970A (ja) * 2006-03-16 2007-09-27 Denso Corp 車両用照明装置
WO2014007175A1 (fr) * 2012-07-03 2014-01-09 クラリオン株式会社 Dispositif de reconnaissance de l'environnement monté dans un véhicule
JP2016057655A (ja) * 2014-09-05 2016-04-21 三菱電機株式会社 自動走行管理システム、サーバおよび自動走行管理方法

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JP6785882B2 (ja) 2020-11-18

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