IL274443B2 - System and methods for external calibration of cameras and optical refractive components - Google Patents

System and methods for external calibration of cameras and optical refractive components

Info

Publication number
IL274443B2
IL274443B2 IL274443A IL27444320A IL274443B2 IL 274443 B2 IL274443 B2 IL 274443B2 IL 274443 A IL274443 A IL 274443A IL 27444320 A IL27444320 A IL 27444320A IL 274443 B2 IL274443 B2 IL 274443B2
Authority
IL
Israel
Prior art keywords
cameras
diffractive optical
optical elements
extrinsic parameters
camera
Prior art date
Application number
IL274443A
Other languages
English (en)
Hebrew (he)
Other versions
IL274443B1 (en
IL274443A (en
Original Assignee
Magic Leap Inc
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 Magic Leap Inc filed Critical Magic Leap Inc
Publication of IL274443A publication Critical patent/IL274443A/en
Publication of IL274443B1 publication Critical patent/IL274443B1/en
Publication of IL274443B2 publication Critical patent/IL274443B2/en

Links

Classifications

    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
    • H04N13/20—Image signal generators
    • H04N13/204—Image signal generators using stereoscopic image cameras
    • H04N13/239—Image signal generators using stereoscopic image cameras using two 2D image sensors having a relative position equal to or related to the interocular distance
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
    • H04N13/20—Image signal generators
    • H04N13/204—Image signal generators using stereoscopic image cameras
    • H04N13/246—Calibration of cameras
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N17/00—Diagnosis, testing or measuring for television systems or their details
    • H04N17/002—Diagnosis, testing or measuring for television systems or their details for television cameras
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/95—Computational photography systems, e.g. light-field imaging systems
    • H04N23/951—Computational photography systems, e.g. light-field imaging systems by using two or more images to influence resolution, frame rate or aspect ratio
    • 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
    • G06T2207/30244—Camera pose
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/70—Determining position or orientation of objects or cameras

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • General Health & Medical Sciences (AREA)
  • Computing Systems (AREA)
  • Studio Devices (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Image Processing (AREA)
  • Image Analysis (AREA)
IL274443A 2017-11-15 2018-11-13 System and methods for external calibration of cameras and optical refractive components IL274443B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201762586691P 2017-11-15 2017-11-15
US201762588239P 2017-11-17 2017-11-17
PCT/US2018/060833 WO2019099408A1 (en) 2017-11-15 2018-11-13 System and methods for extrinsic calibration of cameras and diffractive optical elements

Publications (3)

Publication Number Publication Date
IL274443A IL274443A (en) 2020-06-30
IL274443B1 IL274443B1 (en) 2024-03-01
IL274443B2 true IL274443B2 (en) 2024-07-01

Family

ID=66433446

Family Applications (1)

Application Number Title Priority Date Filing Date
IL274443A IL274443B2 (en) 2017-11-15 2018-11-13 System and methods for external calibration of cameras and optical refractive components

Country Status (9)

Country Link
US (2) US10867407B2 (enExample)
EP (2) EP3711290B1 (enExample)
JP (1) JP7011711B2 (enExample)
KR (1) KR102451601B1 (enExample)
CN (1) CN111373748B (enExample)
AU (1) AU2018369622A1 (enExample)
CA (1) CA3078897A1 (enExample)
IL (1) IL274443B2 (enExample)
WO (1) WO2019099408A1 (enExample)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10867407B2 (en) 2017-11-15 2020-12-15 Magic Leap, Inc. System and methods for extrinsic calibration of cameras and diffractive optical elements
US11727597B2 (en) * 2018-12-21 2023-08-15 Sony Group Corporation Calibrating volumetric rig with structured light
TWI720447B (zh) * 2019-03-28 2021-03-01 財團法人工業技術研究院 影像定位方法及其系統
CN111220126A (zh) * 2019-11-19 2020-06-02 中国科学院光电技术研究所 一种基于点特征和单目相机的空间物体位姿测量方法
TWI720869B (zh) * 2020-04-15 2021-03-01 致伸科技股份有限公司 相機模組之對位方法
IL299018A (en) 2020-06-16 2023-02-01 Magic Leap Inc Camera intrinsic calibration
JP2022011740A (ja) * 2020-06-30 2022-01-17 ソニーグループ株式会社 情報処理装置、情報処理方法及びプログラム
IL300043A (en) * 2020-07-29 2023-03-01 Magic Leap Inc External calibration of a camera using ray cuts
CN116635894A (zh) * 2020-12-29 2023-08-22 Abb瑞士股份有限公司 用于管理摄像头系统的方法和装置
CN114765667B (zh) * 2021-01-13 2025-09-09 安霸国际有限合伙企业 用于多视图拼接的固定图案校准
US11636623B2 (en) 2021-06-28 2023-04-25 Motional Ad Llc Systems and methods for camera alignment using pre-distorted targets
US20220414930A1 (en) * 2021-06-28 2022-12-29 Motional Ad Llc Geometric intrinsic camera calibration using diffractive optical element
US12288362B2 (en) * 2022-01-21 2025-04-29 Motional Ad Llc Active alignment of an optical assembly with intrinsic calibration
CN118470124A (zh) * 2023-02-08 2024-08-09 宏达国际电子股份有限公司 电子装置、参数校准方法以及非暂态电脑可读取储存媒体
CN120689425A (zh) * 2024-03-15 2025-09-23 鸿海精密工业股份有限公司 相机外参标定方法、车载装置及存储介质
US20250329052A1 (en) * 2024-04-18 2025-10-23 Htc Corporation Electronic device, parameter calibration method, and non-transitory computer readable storage medium

Citations (3)

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US20130314668A1 (en) * 2011-02-21 2013-11-28 Essilor International (Compagnie Generale D'optique) Method for determining at least one geometric/physiognomic parameter associated with the mounting of an ophthalmic lens in a spectacle frame worn by a user
US20160073091A1 (en) * 2014-09-10 2016-03-10 Faro Technologies, Inc. Method for optically measuring three-dimensional coordinates and calibration of a three-dimensional measuring device
US20160189387A1 (en) * 2014-12-24 2016-06-30 Lensbricks Technology Private Limited Methods and Apparatus for Depth Sensing

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US20060082882A1 (en) * 2004-10-14 2006-04-20 Wang Michael R Achromatic imaging lens with extended depth of focus
JP5611588B2 (ja) * 2006-07-18 2014-10-22 セルオプティック、インコーポレイテッドＣｅｌｌｏｐｔｉｃ， Ｉｎｃ． 受信電磁放射線から物体の３次元情報を抽出するシステム、装置および方法
US8369579B2 (en) * 2006-12-21 2013-02-05 Massachusetts Institute Of Technology Methods and apparatus for 3D surface imaging using active wave-front sampling
DE102010005358B4 (de) * 2010-01-21 2016-01-14 Deutsches Zentrum für Luft- und Raumfahrt e.V. Verfahren und Vorrichtung zur Kalibrierung von zwei optischen Sensorsystemen
WO2015081313A2 (en) * 2013-11-27 2015-06-04 Magic Leap, Inc. Virtual and augmented reality systems and methods
US10198865B2 (en) * 2014-07-10 2019-02-05 Seiko Epson Corporation HMD calibration with direct geometric modeling
US10091418B2 (en) 2014-10-24 2018-10-02 Bounce Imaging, Inc. Imaging systems and methods
US9827209B2 (en) * 2015-02-09 2017-11-28 Microsoft Technology Licensing, Llc Display system
US10176554B2 (en) * 2015-10-05 2019-01-08 Google Llc Camera calibration using synthetic images
KR102657948B1 (ko) * 2015-11-04 2024-04-16 매직 립, 인코포레이티드 광 필드 디스플레이 계측
CN109891187A (zh) * 2016-08-18 2019-06-14 特拉维夫大学拉莫特有限公司 结构光投影仪
US10466360B1 (en) * 2017-08-31 2019-11-05 Facebook Technologies, Llc Depth measurement using scanning diffractive optical elements
US10867407B2 (en) 2017-11-15 2020-12-15 Magic Leap, Inc. System and methods for extrinsic calibration of cameras and diffractive optical elements

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130314668A1 (en) * 2011-02-21 2013-11-28 Essilor International (Compagnie Generale D'optique) Method for determining at least one geometric/physiognomic parameter associated with the mounting of an ophthalmic lens in a spectacle frame worn by a user
US20160073091A1 (en) * 2014-09-10 2016-03-10 Faro Technologies, Inc. Method for optically measuring three-dimensional coordinates and calibration of a three-dimensional measuring device
US20160189387A1 (en) * 2014-12-24 2016-06-30 Lensbricks Technology Private Limited Methods and Apparatus for Depth Sensing

Also Published As

Publication number Publication date
US20210142517A1 (en) 2021-05-13
JP7011711B2 (ja) 2022-01-27
EP3711290B1 (en) 2024-01-17
EP4329296A2 (en) 2024-02-28
JP2021503133A (ja) 2021-02-04
EP4329296B1 (en) 2025-07-09
IL274443B1 (en) 2024-03-01
US11455746B2 (en) 2022-09-27
IL274443A (en) 2020-06-30
CN111373748B (zh) 2024-09-10
EP3711290A1 (en) 2020-09-23
WO2019099408A1 (en) 2019-05-23
US10867407B2 (en) 2020-12-15
KR102451601B1 (ko) 2022-10-06
US20190147625A1 (en) 2019-05-16
CN111373748A (zh) 2020-07-03
EP3711290A4 (en) 2021-01-06
AU2018369622A1 (en) 2020-05-14
CA3078897A1 (en) 2019-05-23
EP4329296A3 (en) 2024-05-29
KR20200088357A (ko) 2020-07-22

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