WO2019003361A1 - Dispositif et système d'imagerie - Google Patents

Dispositif et système d'imagerie Download PDF

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Publication number
WO2019003361A1
WO2019003361A1 PCT/JP2017/023821 JP2017023821W WO2019003361A1 WO 2019003361 A1 WO2019003361 A1 WO 2019003361A1 JP 2017023821 W JP2017023821 W JP 2017023821W WO 2019003361 A1 WO2019003361 A1 WO 2019003361A1
Authority
WO
WIPO (PCT)
Prior art keywords
imaging
illumination
unit
light
luminous flux
Prior art date
Application number
PCT/JP2017/023821
Other languages
English (en)
Japanese (ja)
Inventor
嶋田　堅一
和良 山崎
Original Assignee
マクセル株式会社
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 マクセル株式会社 filed Critical マクセル株式会社
Priority to PCT/JP2017/023821 priority Critical patent/WO2019003361A1/fr
Publication of WO2019003361A1 publication Critical patent/WO2019003361A1/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
    • B60Q1/02—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments
    • B60Q1/24—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments for lighting other areas than only the way ahead
    • B60Q1/249—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments for lighting other areas than only the way ahead for illuminating the field of view of a sensor or camera
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B15/00—Special procedures for taking photographs; Apparatus therefor
    • G03B15/02—Illuminating scene
    • G03B15/03—Combinations of cameras with lighting apparatus; Flash units
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/70—Circuitry for compensating brightness variation in the scene

Definitions

  • the European new car assessment Euro NCAP is expected to further improve the detection performance of in-vehicle cameras in dark environments, such as adding a function to detect pedestrians at night as a target of collision avoidance by automatic braking in 2018 Be
  • an illumination technology for illuminating the front is required.
  • the vehicle lamp described in Patent Document 1 is described to realize high-intensity illumination as a configuration including a light emitting unit including a phosphor, a laser optical system including a laser light source, a projection lens, and the like. .
  • FIG. 1B is a block diagram showing the configuration of the imaging unit (imaging device) 2.
  • the imaging unit (imaging device) 2 outputs an imaged image data to the image processing unit 5, and a synchronization signal input terminal 2 b that inputs a synchronization signal of illumination light emission timing as a control signal from the control unit 4. And have. Thus, the imaging operation of the imaging unit 2 is performed in synchronization with the illumination light emission timing of the illumination unit 1.
  • the change width of the light flux amount when dimming the illumination light is temporally constant, but in the third embodiment, the case where the change width of the light flux amount can be temporally changeable will be described.
  • the change width of the luminous flux amount is also referred to as “light control width”.
  • FIG. 10 is a diagram showing an example in which the imaging system is applied to a monitoring camera system.
  • the monitoring camera system 12 includes, in addition to the imaging unit (monitoring camera) 2, an illumination unit 1, a light control unit 3 for controlling the illumination unit 1, and a control unit 4 for controlling these.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Studio Devices (AREA)

Abstract

La présente invention concerne un système d'imagerie comprenant : une unité d'éclairage (1) qui émet une lumière d'éclairage sur un sujet photographique ; une unité de réglage de lumière (3) pour régler la quantité de flux lumineux de la lumière d'éclairage émise par l'unité d'éclairage ; une unité d'imagerie (2) pour capturer une image du sujet photographique à l'aide d'un capteur d'image et délivrer un signal d'image ; et une unité de commande (4) pour commander l'unité de réglage de lumière et l'unité d'imagerie. L'unité de commande commande, par l'intermédiaire de l'unité de réglage de lumière, la quantité de flux lumineux et/ou la durée d'émission de la lumière d'éclairage émise par l'unité d'éclairage d'une manière synchronisée avec une trame d'imagerie de l'unité d'imagerie. À titre d'exemple, tout en utilisant deux trames d'imagerie consécutives de l'unité d'imagerie en tant qu'un cycle, l'unité de réglage de lumière règle l'unité d'éclairage de telle sorte que la quantité de flux lumineux L1 de la lumière d'éclairage dans une première trame de l'unité d'imagerie et la quantité de flux lumineux L2 de la lumière d'éclairage dans une seconde trame suivante sont paramétrées à différentes valeurs l'une de l'autre.
PCT/JP2017/023821 2017-06-28 2017-06-28 Dispositif et système d'imagerie WO2019003361A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/JP2017/023821 WO2019003361A1 (fr) 2017-06-28 2017-06-28 Dispositif et système d'imagerie

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2017/023821 WO2019003361A1 (fr) 2017-06-28 2017-06-28 Dispositif et système d'imagerie

Publications (1)

Publication Number Publication Date
WO2019003361A1 true WO2019003361A1 (fr) 2019-01-03

Family

ID=64740494

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2017/023821 WO2019003361A1 (fr) 2017-06-28 2017-06-28 Dispositif et système d'imagerie

Country Status (1)

Country Link
WO (1) WO2019003361A1 (fr)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014049963A (ja) * 2012-08-31 2014-03-17 Nikon Corp 動画撮影システム、カメラ、照明装置および照明制御装置
WO2016084500A1 (fr) * 2014-11-28 2016-06-02 オリンパス株式会社 Capsule endoscopique, système d'activation de capsule endoscopique et système d'examen

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014049963A (ja) * 2012-08-31 2014-03-17 Nikon Corp 動画撮影システム、カメラ、照明装置および照明制御装置
WO2016084500A1 (fr) * 2014-11-28 2016-06-02 オリンパス株式会社 Capsule endoscopique, système d'activation de capsule endoscopique et système d'examen

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