JP7789012B2 - 信号処理装置、測距装置、測距方法、イメージセンサ - Google Patents

信号処理装置、測距装置、測距方法、イメージセンサ

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Publication number
JP7789012B2
JP7789012B2 JP2022565154A JP2022565154A JP7789012B2 JP 7789012 B2 JP7789012 B2 JP 7789012B2 JP 2022565154 A JP2022565154 A JP 2022565154A JP 2022565154 A JP2022565154 A JP 2022565154A JP 7789012 B2 JP7789012 B2 JP 7789012B2
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JP
Japan
Prior art keywords
light
distance
depth information
modulated light
modulated
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Active
Application number
JP2022565154A
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English (en)
Japanese (ja)
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JPWO2022113637A1 (https=
Inventor
憲明 杉本
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.)
Sony Semiconductor Solutions Corp
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Sony Semiconductor Solutions Corp
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Publication of JPWO2022113637A1 publication Critical patent/JPWO2022113637A1/ja
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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C3/00—Measuring distances in line of sight; Optical rangefinders
    • G01C3/02—Details
    • G01C3/06—Use of electric means to obtain final indication
    • 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
    • G01S17/32—Systems determining position data of a target for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated
    • G01S17/36—Systems determining position data of a target for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated with phase comparison between the received signal and the contemporaneously transmitted signal

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Optical Radar Systems And Details Thereof (AREA)
  • Measurement Of Optical Distance (AREA)
JP2022565154A 2020-11-26 2021-10-28 信号処理装置、測距装置、測距方法、イメージセンサ Active JP7789012B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2020196095 2020-11-26
JP2020196095 2020-11-26
PCT/JP2021/039866 WO2022113637A1 (ja) 2020-11-26 2021-10-28 信号処理装置、測距装置、測距方法、イメージセンサ

Publications (2)

Publication Number Publication Date
JPWO2022113637A1 JPWO2022113637A1 (https=) 2022-06-02
JP7789012B2 true JP7789012B2 (ja) 2025-12-19

Family

ID=81755753

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2022565154A Active JP7789012B2 (ja) 2020-11-26 2021-10-28 信号処理装置、測距装置、測距方法、イメージセンサ

Country Status (2)

Country Link
JP (1) JP7789012B2 (https=)
WO (1) WO2022113637A1 (https=)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013538342A (ja) 2010-07-21 2013-10-10 マイクロソフト コーポレーション 階層的な飛行時間（ｔｏｆ）システムのディエリアシング方法およびシステム
DE102013207653A1 (de) 2012-05-21 2013-11-21 Ifm Electronic Gmbh Lichtlaufzeitkamerasystem
US20160116594A1 (en) 2014-10-27 2016-04-28 Microsoft Corporation Time of flight camera
US20160216376A1 (en) 2015-01-28 2016-07-28 Texas Instruments Incorporated Efficient Implementation of Distance De-Aliasing for Ranging Systems using Phase Domain Computation
JP2017201760A (ja) 2016-05-06 2017-11-09 株式会社ニコン 撮像装置および測距装置
US20180011196A1 (en) 2015-03-25 2018-01-11 Waymo Llc Vehicle with multiple light detection and ranging devices (lidars)
JP2018036145A (ja) 2016-08-31 2018-03-08 キヤノン株式会社 距離計測装置、および距離計測方法
WO2020037167A1 (en) 2018-08-17 2020-02-20 Sense Photonics, Inc. Methods and systems for increasing the range of time-of-flight systems by unambiguous range toggling

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4928238B1 (https=) * 1969-02-26 1974-07-24
US10598783B2 (en) * 2016-07-07 2020-03-24 Microsoft Technology Licensing, Llc Multi-frequency unwrapping

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013538342A (ja) 2010-07-21 2013-10-10 マイクロソフト コーポレーション 階層的な飛行時間（ｔｏｆ）システムのディエリアシング方法およびシステム
DE102013207653A1 (de) 2012-05-21 2013-11-21 Ifm Electronic Gmbh Lichtlaufzeitkamerasystem
US20160116594A1 (en) 2014-10-27 2016-04-28 Microsoft Corporation Time of flight camera
US20160216376A1 (en) 2015-01-28 2016-07-28 Texas Instruments Incorporated Efficient Implementation of Distance De-Aliasing for Ranging Systems using Phase Domain Computation
US20180011196A1 (en) 2015-03-25 2018-01-11 Waymo Llc Vehicle with multiple light detection and ranging devices (lidars)
JP2017201760A (ja) 2016-05-06 2017-11-09 株式会社ニコン 撮像装置および測距装置
JP2018036145A (ja) 2016-08-31 2018-03-08 キヤノン株式会社 距離計測装置、および距離計測方法
WO2020037167A1 (en) 2018-08-17 2020-02-20 Sense Photonics, Inc. Methods and systems for increasing the range of time-of-flight systems by unambiguous range toggling

Also Published As

Publication number Publication date
WO2022113637A1 (ja) 2022-06-02
JPWO2022113637A1 (https=) 2022-06-02

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