JP7638221B2 - 測距撮像装置 - Google Patents

測距撮像装置 Download PDF

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Publication number
JP7638221B2
JP7638221B2 JP2021561508A JP2021561508A JP7638221B2 JP 7638221 B2 JP7638221 B2 JP 7638221B2 JP 2021561508 A JP2021561508 A JP 2021561508A JP 2021561508 A JP2021561508 A JP 2021561508A JP 7638221 B2 JP7638221 B2 JP 7638221B2
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Japan
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exposure
control pulse
signal
light emission
exposure control
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Japanese (ja)
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JPWO2021107036A1 (https=
JPWO2021107036A5 (https=
Inventor
遥 高野
徹 山田
雅彦 西本
清治 中村
真由 西川
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Nuvoton Technology Corp Japan
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Nuvoton Technology Corp Japan
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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
    • G01S17/88—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
    • G01S7/483—Details of pulse systems
    • G01S7/486—Receivers
    • G01S7/4868—Controlling received signal intensity or exposure of sensor
    • 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
    • G01S7/4876—Extracting wanted echo signals, e.g. pulse detection by removing unwanted 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
    • 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
    • G01S7/489—Gain of receiver varied automatically during pulse-recurrence period

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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)
JP2021561508A 2019-11-27 2020-11-26 測距撮像装置 Active JP7638221B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201962941436P 2019-11-27 2019-11-27
US62/941,436 2019-11-27
PCT/JP2020/044071 WO2021107036A1 (ja) 2019-11-27 2020-11-26 測距撮像装置

Publications (3)

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JPWO2021107036A1 JPWO2021107036A1 (https=) 2021-06-03
JPWO2021107036A5 JPWO2021107036A5 (https=) 2022-07-22
JP7638221B2 true JP7638221B2 (ja) 2025-03-03

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JP2021561508A Active JP7638221B2 (ja) 2019-11-27 2020-11-26 測距撮像装置

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US (1) US12429567B2 (https=)
JP (1) JP7638221B2 (https=)
CN (1) CN115176174A (https=)
WO (1) WO2021107036A1 (https=)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7737860B2 (ja) * 2021-10-13 2025-09-11 ミラクシアエッジテクノロジー株式会社 測距装置および測距方法
JP7853137B2 (ja) * 2022-03-29 2026-04-28 ミラクシアエッジテクノロジー株式会社 測距装置及び測距方法
WO2024009739A1 (ja) * 2022-07-08 2024-01-11 ソニーグループ株式会社 光学式測距センサ、及び光学式測距システム
US20240310524A1 (en) * 2023-03-13 2024-09-19 Meta Platforms Technologies, Llc Depth mapping with dual-frequency direct time-of-flight

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017022219A1 (ja) 2015-08-04 2017-02-09 パナソニックＩｐマネジメント株式会社 固体撮像装置の駆動方法
WO2017183114A1 (ja) 2016-04-19 2017-10-26 株式会社日立エルジーデータストレージ 距離画像生成装置および距離画像生成方法
US20180278910A1 (en) 2017-03-22 2018-09-27 Microsoft Technology Licensing, Llc Correction of multipath interference in time of flight camera depth imaging measurements
JP2019504326A (ja) 2016-02-08 2019-02-14 株式会社デンソー マルチパス誤差を検出するための飛行時間型距離測定装置及び方法
WO2019188348A1 (ja) 2018-03-29 2019-10-03 パナソニックＩｐマネジメント株式会社 距離情報取得装置、マルチパス検出装置およびマルチパス検出方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008209298A (ja) * 2007-02-27 2008-09-11 Fujifilm Corp 測距装置及び測距方法
JP2008241695A (ja) * 2007-02-27 2008-10-09 Fujifilm Corp 測距装置及び測距方法
JP5180501B2 (ja) * 2007-03-23 2013-04-10 富士フイルム株式会社 測距装置及び測距方法
JP4895304B2 (ja) * 2007-09-26 2012-03-14 富士フイルム株式会社 測距方法および装置
DE102016201599A1 (de) * 2016-02-03 2017-08-03 pmdtechnologies ag Lichtlaufzeitkamerasystem
WO2017150246A1 (ja) 2016-02-29 2017-09-08 パナソニックＩｐマネジメント株式会社 撮像装置、及びそれに用いられる固体撮像素子
JP7154924B2 (ja) * 2018-10-03 2022-10-18 株式会社日立エルジーデータストレージ 測距撮像装置
CN110456369B (zh) * 2019-07-30 2022-03-08 炬佑智能科技(苏州)有限公司 飞行时间传感系统及其测距方法

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017022219A1 (ja) 2015-08-04 2017-02-09 パナソニックＩｐマネジメント株式会社 固体撮像装置の駆動方法
JP2019504326A (ja) 2016-02-08 2019-02-14 株式会社デンソー マルチパス誤差を検出するための飛行時間型距離測定装置及び方法
WO2017183114A1 (ja) 2016-04-19 2017-10-26 株式会社日立エルジーデータストレージ 距離画像生成装置および距離画像生成方法
US20180278910A1 (en) 2017-03-22 2018-09-27 Microsoft Technology Licensing, Llc Correction of multipath interference in time of flight camera depth imaging measurements
WO2019188348A1 (ja) 2018-03-29 2019-10-03 パナソニックＩｐマネジメント株式会社 距離情報取得装置、マルチパス検出装置およびマルチパス検出方法

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Publication number Publication date
US12429567B2 (en) 2025-09-30
CN115176174A (zh) 2022-10-11
WO2021107036A1 (ja) 2021-06-03
JPWO2021107036A1 (https=) 2021-06-03
US20220276358A1 (en) 2022-09-01

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