AU2017337124B2 - Real time calibration for time-of-flight depth measurement - Google Patents

Real time calibration for time-of-flight depth measurement Download PDF

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Publication number
AU2017337124B2
AU2017337124B2 AU2017337124A AU2017337124A AU2017337124B2 AU 2017337124 B2 AU2017337124 B2 AU 2017337124B2 AU 2017337124 A AU2017337124 A AU 2017337124A AU 2017337124 A AU2017337124 A AU 2017337124A AU 2017337124 B2 AU2017337124 B2 AU 2017337124B2
Authority
AU
Australia
Prior art keywords
light
measurement
calibration
target object
pixel array
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.)
Ceased
Application number
AU2017337124A
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English (en)
Other versions
AU2017337124A1 (en
Inventor
David Cohen
Shai MAZOR
Assaf PELLMAN
Erez Tadmor
Giora Yahav
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.)
Magic Leap Inc
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 AU2017337124A1 publication Critical patent/AU2017337124A1/en
Application granted granted Critical
Publication of AU2017337124B2 publication Critical patent/AU2017337124B2/en
Ceased legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
    • G01S17/02—Systems using the reflection of electromagnetic waves other than radio waves
    • G01S17/06—Systems determining position data of a target
    • G01S17/08—Systems determining position data of a target for measuring distance only
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
    • G01S17/88—Lidar systems specially adapted for specific applications
    • G01S17/89—Lidar systems specially adapted for specific applications for mapping or imaging
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
    • G01S17/88—Lidar systems specially adapted for specific applications
    • G01S17/89—Lidar systems specially adapted for specific applications for mapping or imaging
    • G01S17/894—3D imaging with simultaneous measurement of time-of-flight at a 2D array of receiver pixels, e.g. time-of-flight cameras or flash lidar
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
    • G01S7/481—Constructional features, e.g. arrangements of optical elements
    • G01S7/4811—Constructional features, e.g. arrangements of optical elements common to transmitter and receiver
    • G01S7/4813—Housing arrangements
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
    • G01S7/483—Details of pulse systems
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
    • G01S7/497—Means for monitoring or calibrating
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/50—Depth or shape recovery
    • G06T7/521—Depth or shape recovery from laser ranging, e.g. using interferometry; from the projection of structured light
    • 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
    • G06T2207/10004—Still image; Photographic image

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Electromagnetism (AREA)
  • Optics & Photonics (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Theoretical Computer Science (AREA)
  • Optical Radar Systems And Details Thereof (AREA)
  • Measurement Of Optical Distance (AREA)
  • Length Measuring Devices By Optical Means (AREA)
AU2017337124A 2016-09-30 2017-10-02 Real time calibration for time-of-flight depth measurement Ceased AU2017337124B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201662402770P 2016-09-30 2016-09-30
US62/402,770 2016-09-30
PCT/US2017/054719 WO2018064658A1 (en) 2016-09-30 2017-10-02 Real time calibration for time-of-flight depth measurement

Publications (2)

Publication Number Publication Date
AU2017337124A1 AU2017337124A1 (en) 2019-04-18
AU2017337124B2 true AU2017337124B2 (en) 2022-08-04

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
AU2017337124A Ceased AU2017337124B2 (en) 2016-09-30 2017-10-02 Real time calibration for time-of-flight depth measurement

Country Status (9)

Country Link
US (2) US10762651B2 (enExample)
EP (1) EP3519852B1 (enExample)
JP (2) JP6882461B2 (enExample)
KR (1) KR102505237B1 (enExample)
CN (1) CN110402397B (enExample)
AU (1) AU2017337124B2 (enExample)
CA (1) CA3037988A1 (enExample)
IL (1) IL265659B (enExample)
WO (1) WO2018064658A1 (enExample)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10762651B2 (en) 2016-09-30 2020-09-01 Magic Leap, Inc. Real time calibration for time-of-flight depth measurement
AU2018386190A1 (en) 2017-12-13 2020-06-04 Magic Leap, Inc. Global shutter pixel circuit and method for computer vision applications
US10854165B2 (en) 2017-12-21 2020-12-01 Magic Leap, Inc. Method for calibrating an augmented reality device
CN111837144B (zh) 2018-03-13 2024-07-26 奇跃公司 使用机器学习的增强图像深度感测
JP7082404B2 (ja) * 2018-06-26 2022-06-08 国立大学法人静岡大学 距離計測装置
JP6717887B2 (ja) * 2018-07-12 2020-07-08 ファナック株式会社 距離補正機能を有する測距装置
CN110868507B (zh) * 2018-08-27 2024-12-10 宁波舜宇光电信息有限公司 带有泛光灯的电子设备及其装配方法
CN112689776B (zh) * 2018-09-16 2024-08-23 苹果公司 使用彩色图像数据校准深度感测阵列
CN112740065B (zh) 2018-09-25 2024-06-25 苹果公司 成像装置、用于成像的方法和用于深度映射的方法
CN109067951A (zh) * 2018-10-31 2018-12-21 Oppo广东移动通信有限公司 电子装置
EP3657203A1 (de) * 2018-11-22 2020-05-27 Hexagon Technology Center GmbH Elektrooptischer entfernungsmesser und entfernungsmessverfahren
DE102019134142A1 (de) * 2018-12-12 2020-06-18 Analog Devices, Inc. Eingebaute kalibrierung von laufzeittiefenbildgebungssystemen
US11423572B2 (en) * 2018-12-12 2022-08-23 Analog Devices, Inc. Built-in calibration of time-of-flight depth imaging systems
CN109451228B (zh) 2018-12-24 2020-11-10 华为技术有限公司 摄像组件及电子设备
CN111580117A (zh) * 2019-02-19 2020-08-25 光宝电子(广州)有限公司 飞时测距感测系统的控制方法
EP3930321B1 (en) * 2019-03-25 2025-04-23 Huawei Technologies Co., Ltd. Large aperture blurring method based on dual camera + tof
CN112114322A (zh) * 2019-06-21 2020-12-22 广州印芯半导体技术有限公司 飞时测距装置及飞时测距方法
EP3816657B1 (en) * 2019-10-29 2024-04-24 Hexagon Technology Center GmbH Multi-beam measuring device for 3d scanning of an environment having seamlessly stacked reception modules
CN112924979B (zh) * 2019-11-20 2024-03-01 北京小米移动软件有限公司 Tof模组的多路径光线测试设备、深度误差测量方法及系统
CN111024368B (zh) * 2019-12-06 2022-02-11 炬佑智能科技(苏州)有限公司 Tof相机杂散光检测装置及检测方法
US12066545B2 (en) * 2020-03-24 2024-08-20 Magic Leap, Inc. Power-efficient hand tracking with time-of-flight sensor
US11582436B2 (en) * 2020-07-17 2023-02-14 Shenzhen GOODIX Technology Co., Ltd. Passive three-dimensional image sensing based on chromatic focal differentiation
US20240067094A1 (en) * 2020-12-28 2024-02-29 Koito Manufacturing Co., Ltd. Gating camera, vehicle sensing system, and vehicle lamp
JP2023122396A (ja) * 2022-02-22 2023-09-01 ソニーセミコンダクタソリューションズ株式会社 測距装置
US20230316554A1 (en) * 2022-03-30 2023-10-05 Analog Devices, Inc. Miniaturized phase calibration apparatus for time-of-flight depth camera
US20240210536A1 (en) * 2022-12-23 2024-06-27 Intel Corporation Time of flight distance determinations

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040233416A1 (en) * 2001-08-06 2004-11-25 Gunter Doemens Method and device for recording a three-dimensional distance-measuring image
US9330464B1 (en) * 2014-12-12 2016-05-03 Microsoft Technology Licensing, Llc Depth camera feedback

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010061304A (ja) * 2008-09-02 2010-03-18 Calsonic Kansei Corp 車両用距離画像データ生成装置
EP2477043A1 (en) * 2011-01-12 2012-07-18 Sony Corporation 3D time-of-flight camera and method
US8872093B2 (en) 2012-04-18 2014-10-28 Apple Inc. Calibrated image-sensor-based ambient light sensor
JP2014070936A (ja) * 2012-09-28 2014-04-21 Dainippon Screen Mfg Co Ltd 誤差画素検出装置、誤差画素検出方法、および誤差画素検出プログラム
US10230934B2 (en) * 2013-06-14 2019-03-12 Microsoft Tehcnology Licensing, Llc Depth map correction using lookup tables
US10063844B2 (en) * 2013-10-17 2018-08-28 Microsoft Technology Licensing, Llc. Determining distances by probabilistic time of flight imaging
US9542749B2 (en) 2014-01-06 2017-01-10 Microsoft Technology Licensing, Llc Fast general multipath correction in time-of-flight imaging
JP6304567B2 (ja) * 2014-02-28 2018-04-04 パナソニックＩｐマネジメント株式会社 測距装置及び測距方法
US10062180B2 (en) 2014-04-22 2018-08-28 Microsoft Technology Licensing, Llc Depth sensor calibration and per-pixel correction
US9720076B2 (en) 2014-08-29 2017-08-01 Omnivision Technologies, Inc. Calibration circuitry and method for a time of flight imaging system
US9578311B2 (en) 2014-10-22 2017-02-21 Microsoft Technology Licensing, Llc Time of flight depth camera
US9823352B2 (en) * 2014-10-31 2017-11-21 Rockwell Automation Safety Ag Absolute distance measurement for time-of-flight sensors
US10762651B2 (en) 2016-09-30 2020-09-01 Magic Leap, Inc. Real time calibration for time-of-flight depth measurement
DE102017126378A1 (de) * 2017-11-10 2019-05-16 Infineon Technologies Ag Verfahren zum Verarbeiten eines Rohbildes einer Time-of-Flight-Kamera, Bildverarbeitungsvorrichtung und Computerprogramm

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040233416A1 (en) * 2001-08-06 2004-11-25 Gunter Doemens Method and device for recording a three-dimensional distance-measuring image
US9330464B1 (en) * 2014-12-12 2016-05-03 Microsoft Technology Licensing, Llc Depth camera feedback

Also Published As

Publication number Publication date
CA3037988A1 (en) 2018-04-05
KR20190054167A (ko) 2019-05-21
JP6882461B2 (ja) 2021-06-02
AU2017337124A1 (en) 2019-04-18
IL265659B (en) 2022-04-01
US20210004975A1 (en) 2021-01-07
KR102505237B1 (ko) 2023-02-28
IL265659A (en) 2019-05-30
CN110402397A (zh) 2019-11-01
EP3519852A1 (en) 2019-08-07
US10762651B2 (en) 2020-09-01
WO2018064658A1 (en) 2018-04-05
EP3519852B1 (en) 2022-03-23
US20180096489A1 (en) 2018-04-05
CN110402397B (zh) 2023-03-03
US11587245B2 (en) 2023-02-21
JP7130813B2 (ja) 2022-09-05
JP2021113828A (ja) 2021-08-05
JP2019529931A (ja) 2019-10-17
EP3519852A4 (en) 2019-10-16

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MK14 Patent ceased section 143(a) (annual fees not paid) or expired