DE112020004763T5 - Techniken zum Detektieren von Überlagerungsstörungen in bildgebenden LiDAR-Sensoren - Google Patents

Techniken zum Detektieren von Überlagerungsstörungen in bildgebenden LiDAR-Sensoren Download PDF

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Publication number
DE112020004763T5
DE112020004763T5 DE112020004763.6T DE112020004763T DE112020004763T5 DE 112020004763 T5 DE112020004763 T5 DE 112020004763T5 DE 112020004763 T DE112020004763 T DE 112020004763T DE 112020004763 T5 DE112020004763 T5 DE 112020004763T5
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Germany
Prior art keywords
point
light pulses
points
spatial
light
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
DE112020004763.6T
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German (de)
English (en)
Inventor
John Day Allen
Dongyi Liao
Mark A. McCord
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Cepton Technologies Inc
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Cepton Technologies Inc
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Filing date
Publication date
Application filed by Cepton Technologies Inc filed Critical Cepton Technologies Inc
Publication of DE112020004763T5 publication Critical patent/DE112020004763T5/de
Pending legal-status Critical Current

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    • 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
    • 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—Three-dimensional [3D] imaging with simultaneous measurement of time-of-flight at a two-dimensional [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
    • G01S7/4814—Constructional features, e.g. arrangements of optical elements of transmitters alone
    • G01S7/4815—Constructional features, e.g. arrangements of optical elements of transmitters alone using multiple transmitters
    • 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
    • G01S7/487—Extracting wanted echo signals, e.g. pulse detection

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  • 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)
DE112020004763.6T 2019-10-02 2020-09-28 Techniken zum Detektieren von Überlagerungsstörungen in bildgebenden LiDAR-Sensoren Pending DE112020004763T5 (de)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201962909633P 2019-10-02 2019-10-02
US62/909,633 2019-10-02
US17/032,526 2020-09-25
US17/032,526 US11150348B2 (en) 2019-10-02 2020-09-25 Techniques for detecting cross-talk interferences in lidar imaging sensors
PCT/US2020/053021 WO2021067165A1 (en) 2019-10-02 2020-09-28 Techniques for detecting cross-talk interferences in lidar imaging sensors

Publications (1)

Publication Number Publication Date
DE112020004763T5 true DE112020004763T5 (de) 2022-06-30

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DE112020004763.6T Pending DE112020004763T5 (de) 2019-10-02 2020-09-28 Techniken zum Detektieren von Überlagerungsstörungen in bildgebenden LiDAR-Sensoren

Country Status (5)

Country Link
US (3) US11150348B2 (https=)
JP (1) JP7474457B2 (https=)
CN (1) CN114585943B (https=)
DE (1) DE112020004763T5 (https=)
WO (1) WO2021067165A1 (https=)

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WO2021067165A1 (en) 2021-04-08
US11899110B2 (en) 2024-02-13
JP7474457B2 (ja) 2024-04-25
US20210103055A1 (en) 2021-04-08
JP2022550200A (ja) 2022-11-30
US11150348B2 (en) 2021-10-19
CN114585943B (zh) 2023-07-14
US12007480B2 (en) 2024-06-11
CN114585943A (zh) 2022-06-03
US20210405190A1 (en) 2021-12-30
US20210405191A1 (en) 2021-12-30

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