CN115176174A - 测距摄像装置 - Google Patents

测距摄像装置 Download PDF

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Publication number
CN115176174A
CN115176174A CN202080081588.1A CN202080081588A CN115176174A CN 115176174 A CN115176174 A CN 115176174A CN 202080081588 A CN202080081588 A CN 202080081588A CN 115176174 A CN115176174 A CN 115176174A
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CN
China
Prior art keywords
exposure
signal
control pulse
distance
light emission
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
CN202080081588.1A
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English (en)
Chinese (zh)
Inventor
高野遥
山田彻
西本雅彦
中村清治
西川真由
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.)
Nuvoton Technology Corp Japan
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Nuvoton Technology Corp Japan
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 Nuvoton Technology Corp Japan filed Critical Nuvoton Technology Corp Japan
Publication of CN115176174A publication Critical patent/CN115176174A/zh
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
    • G01S17/88—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)
CN202080081588.1A 2019-11-27 2020-11-26 测距摄像装置 Pending CN115176174A (zh)

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 (1)

Publication Number Publication Date
CN115176174A true CN115176174A (zh) 2022-10-11

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202080081588.1A Pending CN115176174A (zh) 2019-11-27 2020-11-26 测距摄像装置

Country Status (4)

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

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* 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 (3)

* 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
DE102016201599A1 (de) * 2016-02-03 2017-08-03 pmdtechnologies ag Lichtlaufzeitkamerasystem
CN110456369A (zh) * 2019-07-30 2019-11-15 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

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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
CN108780151B (zh) * 2016-02-08 2022-11-01 埃斯普罗光电股份公司 飞行时间距离测量装置及用于检测多路径误差的方法
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
CN109073754B (zh) * 2016-04-19 2022-07-01 日立乐金光科技株式会社 距离图像生成装置和距离图像生成方法
US20180278910A1 (en) * 2017-03-22 2018-09-27 Microsoft Technology Licensing, Llc Correction of multipath interference in time of flight camera depth imaging measurements
JP6918210B2 (ja) * 2018-03-29 2021-08-11 ヌヴォトンテクノロジージャパン株式会社 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
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

Patent Citations (3)

* 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
DE102016201599A1 (de) * 2016-02-03 2017-08-03 pmdtechnologies ag Lichtlaufzeitkamerasystem
CN110456369A (zh) * 2019-07-30 2019-11-15 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

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
耿春萍;程度;张治;: "激光脉冲测距的测距精度及误差分析", 光电技术应用, no. 02, 15 April 2007 (2007-04-15) *

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US12429567B2 (en) 2025-09-30
JP7638221B2 (ja) 2025-03-03
WO2021107036A1 (ja) 2021-06-03
JPWO2021107036A1 (https=) 2021-06-03
US20220276358A1 (en) 2022-09-01

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