EP3908853A4 - Extended dynamic range and reduced power imaging for lidar detector arrays - Google Patents

Extended dynamic range and reduced power imaging for lidar detector arrays Download PDF

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Publication number
EP3908853A4
EP3908853A4 EP20766812.0A EP20766812A EP3908853A4 EP 3908853 A4 EP3908853 A4 EP 3908853A4 EP 20766812 A EP20766812 A EP 20766812A EP 3908853 A4 EP3908853 A4 EP 3908853A4
Authority
EP
European Patent Office
Prior art keywords
dynamic range
reduced power
detector arrays
extended dynamic
power imaging
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.)
Withdrawn
Application number
EP20766812.0A
Other languages
German (de)
French (fr)
Other versions
EP3908853A1 (en
Inventor
Robert Henderson
Tarek AL ABBAS
Neil Calder
Hod Finkelstein
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.)
University of Edinburgh
Sense Photonics Inc
Original Assignee
University of Edinburgh
Sense Photonics Inc
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 University of Edinburgh, Sense Photonics Inc filed Critical University of Edinburgh
Publication of EP3908853A1 publication Critical patent/EP3908853A1/en
Publication of EP3908853A4 publication Critical patent/EP3908853A4/en
Withdrawn legal-status Critical Current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
    • 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
    • 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
    • G01S7/481—Constructional features, e.g. arrangements of optical elements
    • G01S7/4816—Constructional features, e.g. arrangements of optical elements of receivers alone
    • 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
    • G01S7/4861—Circuits for detection, sampling, integration or read-out
    • G01S7/4863—Detector arrays, e.g. charge-transfer gates
    • 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
    • G01S7/499—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00 using polarisation effects
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
    • H04N25/70—SSIS architectures; Circuits associated therewith
    • H04N25/76—Addressed sensors, e.g. MOS or CMOS sensors
    • H04N25/77—Pixel circuitry, e.g. memories, A/D converters, pixel amplifiers, shared circuits or shared components
    • H04N25/772—Pixel circuitry, e.g. memories, A/D converters, pixel amplifiers, shared circuits or shared components comprising A/D, V/T, V/F, I/T or I/F converters
    • H04N25/773—Pixel circuitry, e.g. memories, A/D converters, pixel amplifiers, shared circuits or shared components comprising A/D, V/T, V/F, I/T or I/F converters comprising photon counting circuits, e.g. single photon detection [SPD] or single photon avalanche diodes [SPAD]

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Electromagnetism (AREA)
  • Optical Radar Systems And Details Thereof (AREA)
  • Measurement Of Optical Distance (AREA)
EP20766812.0A 2019-03-06 2020-03-05 Extended dynamic range and reduced power imaging for lidar detector arrays Withdrawn EP3908853A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201962814452P 2019-03-06 2019-03-06
PCT/US2020/021109 WO2020181048A1 (en) 2019-03-06 2020-03-05 Extended dynamic range and reduced power imaging for lidar detector arrays

Publications (2)

Publication Number Publication Date
EP3908853A1 EP3908853A1 (en) 2021-11-17
EP3908853A4 true EP3908853A4 (en) 2022-10-12

Family

ID=72337986

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20766812.0A Withdrawn EP3908853A4 (en) 2019-03-06 2020-03-05 Extended dynamic range and reduced power imaging for lidar detector arrays

Country Status (3)

Country Link
EP (1) EP3908853A4 (en)
CN (1) CN113767305A (en)
WO (1) WO2020181048A1 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112505713B (en) * 2020-11-27 2024-08-23 Oppo（重庆）智能科技有限公司 Distance measuring device and method, computer readable medium and electronic device
EP4361671A4 (en) * 2021-06-22 2024-10-23 Hesai Technology Co., Ltd. LIGHT DETECTION CIRCUIT AND METHOD, LASER RADAR AND STORAGE MEDIUM AND DETECTION SYSTEM
CN115508811B (en) * 2021-06-22 2025-09-19 上海禾赛科技有限公司 Optical detection circuit, optical detection method, laser radar, and storage medium
CN113759344B (en) * 2021-09-06 2025-10-28 世瞳微电子科技有限公司 Direct time of flight (DTOF) sensor sensing control device and method
JP7741973B2 (en) * 2021-09-14 2025-09-18 深▲ジェン▼引望智能技術有限公司 Signal processing method and related device
CN114217326A (en) * 2021-12-14 2022-03-22 蔚来汽车科技(安徽)有限公司 Laser radar device, laser radar equipment and vehicle
CN114176484A (en) * 2021-12-16 2022-03-15 重庆西山科技股份有限公司 Polarized light endoscope device, camera and camera optical system
US20240094390A1 (en) * 2022-02-24 2024-03-21 Meta Platforms Technologies, Llc Indirect time of flight sensor with parallel pixel architecture
CN115528048B (en) * 2022-09-15 2023-05-23 武汉北极芯微电子有限公司 Photosensitive pixel unit, photosensitive pixel module and photoelectric detector

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20170248796A1 (en) * 2016-02-29 2017-08-31 Tetravue, Inc. 3d imaging system and method
US20190018117A1 (en) * 2017-07-11 2019-01-17 Fondanzione Bruno Kessler Optoelectronic sensor and method for measuring a distance

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017106875A1 (en) * 2015-12-18 2017-06-22 Gerard Dirk Smits Real time position sensing of objects
WO2017143217A1 (en) * 2016-02-18 2017-08-24 Aeye, Inc. Adaptive ladar receiver
KR102673812B1 (en) * 2016-07-26 2024-06-10 삼성전자주식회사 Lidar device and method for measuring distance by using thereof
KR101922046B1 (en) * 2017-01-13 2018-11-27 한국과학기술원 high range precision and spatial resolution flash LIDAR system using a polarization modulating Pockels cell and a micro-polarizer camera
US11280615B2 (en) * 2017-06-26 2022-03-22 The Charles Stark Draper Laboratory, Inc. Through-cloud celestial sighting system

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20170248796A1 (en) * 2016-02-29 2017-08-31 Tetravue, Inc. 3d imaging system and method
US20190018117A1 (en) * 2017-07-11 2019-01-17 Fondanzione Bruno Kessler Optoelectronic sensor and method for measuring a distance

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2020181048A1 *

Also Published As

Publication number Publication date
CN113767305A (en) 2021-12-07
EP3908853A1 (en) 2021-11-17
WO2020181048A1 (en) 2020-09-10

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