JP2023525508A - 畳み込みベースのカメラおよびディスプレイ較正 - Google Patents

畳み込みベースのカメラおよびディスプレイ較正 Download PDF

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Publication number
JP2023525508A
JP2023525508A JP2022567088A JP2022567088A JP2023525508A JP 2023525508 A JP2023525508 A JP 2023525508A JP 2022567088 A JP2022567088 A JP 2022567088A JP 2022567088 A JP2022567088 A JP 2022567088A JP 2023525508 A JP2023525508 A JP 2023525508A
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Japan
Prior art keywords
image
matrices
target
unique patterns
tiles
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JP2022567088A
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Japanese (ja)
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JP2023525508A5 (enExample
Inventor
マイケル アレクサンダー サワーズ，
ジヘン ジア，
ハンス ブランドン ワック，
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Magic Leap Inc
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Magic Leap Inc
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Publication of JP2023525508A publication Critical patent/JP2023525508A/ja
Publication of JP2023525508A5 publication Critical patent/JP2023525508A5/ja
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    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
    • G06F3/147—Digital output to display device ; Cooperation and interconnection of the display device with other functional units using display panels
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/80—Analysis of captured images to determine intrinsic or extrinsic camera parameters, i.e. camera calibration
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
    • G09G5/003—Details of a display terminal, the details relating to the control arrangement of the display terminal and to the interfaces thereto
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/01—Head-up displays
    • G02B27/0101—Head-up displays characterised by optical features
    • G02B2027/0138—Head-up displays characterised by optical features comprising image capture systems, e.g. camera
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/01—Head-up displays
    • G02B27/017—Head mounted
    • 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
    • G06T2207/10016—Video; Image sequence
    • G06T2207/10021—Stereoscopic video; Stereoscopic image sequence
    • 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
    • G06T2207/20021—Dividing image into blocks, subimages or windows
    • 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
    • G06T2207/30204—Marker
    • G06T2207/30208—Marker matrix
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/06—Adjustment of display parameters
    • G09G2320/0693—Calibration of display systems
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2340/00—Aspects of display data processing
    • G09G2340/04—Changes in size, position or resolution of an image
    • G09G2340/045—Zooming at least part of an image, i.e. enlarging it or shrinking it
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2360/00—Aspects of the architecture of display systems
    • G09G2360/14—Detecting light within display terminals, e.g. using a single or a plurality of photosensors
    • G09G2360/144—Detecting light within display terminals, e.g. using a single or a plurality of photosensors the light being ambient light
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2360/00—Aspects of the architecture of display systems
    • G09G2360/14—Detecting light within display terminals, e.g. using a single or a plurality of photosensors
    • G09G2360/145—Detecting light within display terminals, e.g. using a single or a plurality of photosensors the light originating from the display screen
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
    • G09G5/22—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the display of characters or indicia using display control signals derived from coded signals representing the characters or indicia, e.g. with a character-code memory
    • G09G5/32—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the display of characters or indicia using display control signals derived from coded signals representing the characters or indicia, e.g. with a character-code memory with means for controlling the display position

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Computer Hardware Design (AREA)
  • Human Computer Interaction (AREA)
  • General Engineering & Computer Science (AREA)
  • Controls And Circuits For Display Device (AREA)
  • Image Processing (AREA)
  • Image Analysis (AREA)
  • Length Measuring Devices By Optical Means (AREA)
JP2022567088A 2020-05-06 2021-05-05 畳み込みベースのカメラおよびディスプレイ較正 Pending JP2023525508A (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US202063020787P 2020-05-06 2020-05-06
US63/020,787 2020-05-06
PCT/US2021/030962 WO2021226282A1 (en) 2020-05-06 2021-05-05 Convolution-based camera and display calibration

Publications (2)

Publication Number Publication Date
JP2023525508A true JP2023525508A (ja) 2023-06-16
JP2023525508A5 JP2023525508A5 (enExample) 2024-05-01

Family

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JP2022567088A Pending JP2023525508A (ja) 2020-05-06 2021-05-05 畳み込みベースのカメラおよびディスプレイ較正

Country Status (5)

Country Link
US (1) US11704834B2 (enExample)
EP (1) EP4147206A4 (enExample)
JP (1) JP2023525508A (enExample)
CN (1) CN115516513A (enExample)
WO (1) WO2021226282A1 (enExample)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
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USD951961S1 (en) * 2020-01-30 2022-05-17 Magic Leap, Inc. Head strap
EP4195665A1 (en) * 2021-12-08 2023-06-14 Harman Becker Automotive Systems GmbH Calibration arrangement and calibration method
CN115272459A (zh) * 2022-07-06 2022-11-01 同济大学 一种四角二维码定向平面靶标装置及其标定方法
CN115423804B (zh) * 2022-11-02 2023-03-21 依未科技(北京)有限公司 影像标定方法及装置、影像处理方法
CN116125669A (zh) * 2023-01-31 2023-05-16 富泰华工业（深圳）有限公司 显示装置及拍摄视野的调制方法

Citations (5)

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JP2005110252A (ja) * 2003-09-26 2005-04-21 Mitsubishi Electric Research Laboratories Inc リアプロジェクションテレビにおいて収束誤差を補正する装置および方法
US8401294B1 (en) * 2008-12-30 2013-03-19 Lucasfilm Entertainment Company Ltd. Pattern matching using convolution of mask image and search image
US20170374360A1 (en) * 2016-06-28 2017-12-28 Magic Leap, Inc. Camera calibration system, target, and process
US20190104295A1 (en) * 2017-09-29 2019-04-04 Waymo Llc Target, Method, and System for Camera Calibration
JP2019161278A (ja) * 2018-03-07 2019-09-19 株式会社リコー 校正基準点取得システム、及び校正基準点取得方法

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US8106949B2 (en) * 2009-03-26 2012-01-31 Seiko Epson Corporation Small memory footprint light transport matrix capture
US9172913B1 (en) * 2010-09-24 2015-10-27 Jetprotect Corporation Automatic counter-surveillance detection camera and software
CN103827917B (zh) * 2011-07-25 2017-06-09 科英布拉大学 用于使用棋盘图案的一幅或多幅图像的自动相机校准的方法和装置
CN106611148B (zh) * 2015-10-21 2020-04-24 北京百度网讯科技有限公司 基于图像的离线公式识别方法和装置
US10958843B2 (en) * 2018-05-04 2021-03-23 Raytheon Technologies Corporation Multi-camera system for simultaneous registration and zoomed imagery
EP3803776A4 (en) * 2018-05-25 2022-03-23 Packsize, LLC SYSTEMS AND METHODS FOR MULTI-CAMERA PLACEMENT
CN112567736B (zh) * 2018-08-03 2023-06-02 奇跃公司 用于显示设备的次网格校准的方法和系统
CN109086753B (zh) * 2018-10-08 2022-05-10 新疆大学 基于双通道卷积神经网络的交通标志识别方法、装置
JP7440534B2 (ja) * 2019-04-04 2024-02-28 センターライン バイオメディカル，インコーポレイテッド ２次元画像投影を用いた、トラッキングシステムと画像との空間レジストレーション
WO2021077078A1 (en) * 2019-10-18 2021-04-22 Looking Glass Factory, Inc. System and method for lightfield capture
US20210256729A1 (en) * 2020-02-13 2021-08-19 Proprio, Inc. Methods and systems for determining calibration quality metrics for a multicamera imaging system
US11206294B2 (en) * 2020-03-31 2021-12-21 Konica Minolta Business Solutions U.S.A., Inc. Method for separating local and remote content in a camera-projector based collaborative system

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Publication number Priority date Publication date Assignee Title
JP2005110252A (ja) * 2003-09-26 2005-04-21 Mitsubishi Electric Research Laboratories Inc リアプロジェクションテレビにおいて収束誤差を補正する装置および方法
US8401294B1 (en) * 2008-12-30 2013-03-19 Lucasfilm Entertainment Company Ltd. Pattern matching using convolution of mask image and search image
US20170374360A1 (en) * 2016-06-28 2017-12-28 Magic Leap, Inc. Camera calibration system, target, and process
US20190104295A1 (en) * 2017-09-29 2019-04-04 Waymo Llc Target, Method, and System for Camera Calibration
JP2019161278A (ja) * 2018-03-07 2019-09-19 株式会社リコー 校正基準点取得システム、及び校正基準点取得方法

Also Published As

Publication number Publication date
EP4147206A4 (en) 2023-11-08
US11704834B2 (en) 2023-07-18
US20210350574A1 (en) 2021-11-11
EP4147206A1 (en) 2023-03-15
CN115516513A (zh) 2022-12-23
WO2021226282A1 (en) 2021-11-11

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