DE112020003844A5 - Messung und Kompensation von Phasenfehlern bei Time-of-Flight-Kameras - Google Patents

Messung und Kompensation von Phasenfehlern bei Time-of-Flight-Kameras Download PDF

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Publication number
DE112020003844A5
DE112020003844A5 DE112020003844.0T DE112020003844T DE112020003844A5 DE 112020003844 A5 DE112020003844 A5 DE 112020003844A5 DE 112020003844 T DE112020003844 T DE 112020003844T DE 112020003844 A5 DE112020003844 A5 DE 112020003844A5
Authority
DE
Germany
Prior art keywords
compensation
measurement
time
phase errors
flight cameras
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.)
Pending
Application number
DE112020003844.0T
Other languages
English (en)
Inventor
Timon Ehrlich
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.)
Basler AG
Original Assignee
Basler AG
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 Basler AG filed Critical Basler AG
Publication of DE112020003844A5 publication Critical patent/DE112020003844A5/de
Pending legal-status Critical Current

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
    • 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
    • G01S7/486—Receivers
    • G01S7/4865—Time delay measurement, e.g. time-of-flight measurement, time of arrival measurement or determining the exact position of a peak
    • 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
    • G01S17/10—Systems determining position data of a target for measuring distance only using transmission of interrupted, pulse-modulated waves
    • G01S17/26—Systems determining position data of a target for measuring distance only using transmission of interrupted, pulse-modulated waves wherein the transmitted pulses use a frequency-modulated or phase-modulated carrier wave, e.g. for pulse compression of received signals
    • 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
    • G01S7/497—Means for monitoring or calibrating

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Electromagnetism (AREA)
  • Optical Radar Systems And Details Thereof (AREA)
DE112020003844.0T 2019-08-12 2020-08-11 Messung und Kompensation von Phasenfehlern bei Time-of-Flight-Kameras Pending DE112020003844A5 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102019121686.9 2019-08-12
DE102019121686.9A DE102019121686A1 (de) 2019-08-12 2019-08-12 Messung und Kompensation von Phasenfehlern bei Time-of-Flight Kameras
PCT/EP2020/072469 WO2021028423A1 (de) 2019-08-12 2020-08-11 Messung und kompensation von phasenfehlern bei time-of-flight-kameras

Publications (1)

Publication Number Publication Date
DE112020003844A5 true DE112020003844A5 (de) 2022-05-19

Family

ID=72050871

Family Applications (2)

Application Number Title Priority Date Filing Date
DE102019121686.9A Pending DE102019121686A1 (de) 2019-08-12 2019-08-12 Messung und Kompensation von Phasenfehlern bei Time-of-Flight Kameras
DE112020003844.0T Pending DE112020003844A5 (de) 2019-08-12 2020-08-11 Messung und Kompensation von Phasenfehlern bei Time-of-Flight-Kameras

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE102019121686.9A Pending DE102019121686A1 (de) 2019-08-12 2019-08-12 Messung und Kompensation von Phasenfehlern bei Time-of-Flight Kameras

Country Status (3)

Country Link
US (1) US20220326359A1 (de)
DE (2) DE102019121686A1 (de)
WO (1) WO2021028423A1 (de)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007046562A1 (de) * 2007-09-28 2009-04-02 Siemens Ag Verfahren und Vorrichtung zum Bestimmen eines Abstands mittels eines optoelektronischen Bildsensors
US10054675B2 (en) * 2014-10-24 2018-08-21 Analog Devices, Inc. Active compensation for phase alignment errors in time-of-flight cameras
US9866208B2 (en) * 2015-06-15 2018-01-09 Microsoft Technology Lincensing, LLC Precision measurements and calibrations for timing generators
EP3370078B1 (de) * 2017-03-01 2020-08-05 STMicroelectronics (Grenoble 2) SAS Bereichs- und parameterextraktion mit verarbeiteten, aus einem flugzeitsensor erzeugten histogrammen übersprechungskorrektur
DE102017106078B3 (de) * 2017-03-21 2018-07-26 Elmos Semiconductor Aktiengesellschaft Vorrichtung zur Signalverzögerung unter Benutzung eines MEMS Oszillators und deren Anwendung in einer TOF-Kamera
DE102017106076B3 (de) * 2017-03-21 2018-07-26 Elmos Semiconductor Aktiengesellschaft Vorrichtung zur Signalverzögerung unter Benutzung eines Referenzoszillators und deren Anwendung in einer TOF-Kamera

Also Published As

Publication number Publication date
US20220326359A1 (en) 2022-10-13
DE102019121686A1 (de) 2021-02-18
WO2021028423A1 (de) 2021-02-18

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