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GB2586804B - Method and system for mitigating image flicker from strobed lighting systems - Google Patents

Method and system for mitigating image flicker from strobed lighting systems Download PDF

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Publication number
GB2586804B
GB2586804B GB1912631.7A GB201912631A GB2586804B GB 2586804 B GB2586804 B GB 2586804B GB 201912631 A GB201912631 A GB 201912631A GB 2586804 B GB2586804 B GB 2586804B
Authority
GB
United Kingdom
Prior art keywords
lighting systems
image flicker
mitigating image
strobed lighting
strobed
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.)
Active
Application number
GB1912631.7A
Other versions
GB201912631D0 (en
GB2586804A (en
Inventor
Close Joshua
Pryke Alexander
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jaguar Land Rover Ltd
Original Assignee
Jaguar Land Rover Ltd
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 Jaguar Land Rover Ltd filed Critical Jaguar Land Rover Ltd
Priority to GB1912631.7A priority Critical patent/GB2586804B/en
Publication of GB201912631D0 publication Critical patent/GB201912631D0/en
Priority to US17/640,007 priority patent/US12200369B2/en
Priority to DE112020004163.8T priority patent/DE112020004163T5/en
Priority to PCT/EP2020/074577 priority patent/WO2021043892A1/en
Publication of GB2586804A publication Critical patent/GB2586804A/en
Application granted granted Critical
Publication of GB2586804B publication Critical patent/GB2586804B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • H04N23/73—Circuitry for compensating brightness variation in the scene by influencing the exposure time
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R1/00—Optical viewing arrangements; Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles
    • B60R1/005—Optical viewing arrangements; Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles specially adapted for viewing traffic-lights
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/50—Image enhancement or restoration using two or more images, e.g. averaging or subtraction
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/0002—Inspection of images, e.g. flaw detection
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/10—Image acquisition
    • G06V10/12—Details of acquisition arrangements; Constructional details thereof
    • G06V10/14—Optical characteristics of the device performing the acquisition or on the illumination arrangements
    • G06V10/147—Details of sensors, e.g. sensor lenses
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/20—Image preprocessing
    • G06V10/25—Determination of region of interest [ROI] or a volume of interest [VOI]
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V20/00—Scenes; Scene-specific elements
    • G06V20/50—Context or environment of the image
    • G06V20/56—Context or environment of the image exterior to a vehicle by using sensors mounted on the vehicle
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V20/00—Scenes; Scene-specific elements
    • G06V20/50—Context or environment of the image
    • G06V20/56—Context or environment of the image exterior to a vehicle by using sensors mounted on the vehicle
    • G06V20/58—Recognition of moving objects or obstacles, e.g. vehicles or pedestrians; Recognition of traffic objects, e.g. traffic signs, traffic lights or roads
    • G06V20/584—Recognition of moving objects or obstacles, e.g. vehicles or pedestrians; Recognition of traffic objects, e.g. traffic signs, traffic lights or roads of vehicle lights or traffic lights
    • 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
    • H04N23/63—Control of cameras or camera modules by using electronic viewfinders
    • 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
    • H04N23/745—Detection of flicker frequency or suppression of flicker wherein the flicker is caused by illumination, e.g. due to fluorescent tube illumination or pulsed LED illumination
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/90—Arrangement of cameras or camera modules, e.g. multiple cameras in TV studios or sports stadiums
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R2300/00—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle
    • B60R2300/30—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle characterised by the type of image processing
    • B60R2300/307—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle characterised by the type of image processing virtually distinguishing relevant parts of a scene from the background of the scene
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R2300/00—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle
    • B60R2300/70—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle characterised by an event-triggered choice to display a specific image among a selection of captured images
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/10—Image acquisition modality
    • G06T2207/10141—Special mode during image acquisition
    • G06T2207/10144—Varying exposure
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/20—Special algorithmic details
    • G06T2207/20004—Adaptive image processing
    • G06T2207/20012—Locally adaptive
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/30—Subject of image; Context of image processing
    • G06T2207/30168—Image quality inspection

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Signal Processing (AREA)
  • General Health & Medical Sciences (AREA)
  • Vascular Medicine (AREA)
  • Health & Medical Sciences (AREA)
  • Quality & Reliability (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Mechanical Engineering (AREA)
  • Studio Devices (AREA)
GB1912631.7A 2019-09-03 2019-09-03 Method and system for mitigating image flicker from strobed lighting systems Active GB2586804B (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
GB1912631.7A GB2586804B (en) 2019-09-03 2019-09-03 Method and system for mitigating image flicker from strobed lighting systems
US17/640,007 US12200369B2 (en) 2019-09-03 2020-09-03 Method and system for mitigating image flicker from strobed lighting systems
DE112020004163.8T DE112020004163T5 (en) 2019-09-03 2020-09-03 METHOD AND SYSTEM FOR REDUCING IMAGE FLICKER IN FLASHING LIGHTING SYSTEMS
PCT/EP2020/074577 WO2021043892A1 (en) 2019-09-03 2020-09-03 Method and system for mitigating image flicker from strobed lighting systems

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1912631.7A GB2586804B (en) 2019-09-03 2019-09-03 Method and system for mitigating image flicker from strobed lighting systems

Publications (3)

Publication Number Publication Date
GB201912631D0 GB201912631D0 (en) 2019-10-16
GB2586804A GB2586804A (en) 2021-03-10
GB2586804B true GB2586804B (en) 2022-02-16

Family

ID=68207225

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1912631.7A Active GB2586804B (en) 2019-09-03 2019-09-03 Method and system for mitigating image flicker from strobed lighting systems

Country Status (1)

Country Link
GB (1) GB2586804B (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150312464A1 (en) * 2014-04-25 2015-10-29 Himax Imaging Limited Multi-exposure imaging system and method for eliminating rolling shutter flicker
US20180106613A1 (en) * 2016-10-15 2018-04-19 Canon Kabushiki Kaisha Image pickup system
US20180336692A1 (en) * 2017-05-19 2018-11-22 Waymo Llc Camera systems using filters and exposure times to detect flickering illuminated objects

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150312464A1 (en) * 2014-04-25 2015-10-29 Himax Imaging Limited Multi-exposure imaging system and method for eliminating rolling shutter flicker
US20180106613A1 (en) * 2016-10-15 2018-04-19 Canon Kabushiki Kaisha Image pickup system
US20180336692A1 (en) * 2017-05-19 2018-11-22 Waymo Llc Camera systems using filters and exposure times to detect flickering illuminated objects

Also Published As

Publication number Publication date
GB201912631D0 (en) 2019-10-16
GB2586804A (en) 2021-03-10

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