SG10202002615WA - Laser speed measuring method, control device and laser velocimeter - Google Patents

Laser speed measuring method, control device and laser velocimeter

Info

Publication number
SG10202002615WA
SG10202002615WA SG10202002615WA SG10202002615WA SG10202002615WA SG 10202002615W A SG10202002615W A SG 10202002615WA SG 10202002615W A SG10202002615W A SG 10202002615WA SG 10202002615W A SG10202002615W A SG 10202002615WA SG 10202002615W A SG10202002615W A SG 10202002615WA
Authority
SG
Singapore
Prior art keywords
laser
control device
measuring method
speed measuring
velocimeter
Prior art date
Application number
SG10202002615WA
Inventor
Jian Li
Shangmin Sun
Yongming Wang
Yanwei Xu
Weifeng Yu
Yu Hu
Chunguang Zong
Original Assignee
Nuctech Co Ltd
Nuctech Beijing Company Ltd
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 Nuctech Co Ltd, Nuctech Beijing Company Ltd filed Critical Nuctech Co Ltd
Publication of SG10202002615WA publication Critical patent/SG10202002615WA/en

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
    • G01S17/02—Systems using the reflection of electromagnetic waves other than radio waves
    • G01S17/50—Systems of measurement based on relative movement of target
    • G01S17/58—Velocity or trajectory determination systems; Sense-of-movement determination systems
    • 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
    • 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
    • G01S7/4808—Evaluating distance, position or velocity data
    • 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
    • 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
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F18/00—Pattern recognition
    • G06F18/20—Analysing
    • G06F18/23—Clustering techniques
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/20—Analysis of motion
    • G06T7/215—Motion-based segmentation
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/10—Image acquisition
    • G06V10/12—Details of acquisition arrangements; Constructional details thereof
    • G06V10/14—Optical characteristics of the device performing the acquisition or on the illumination arrangements
    • G06V10/147—Details of sensors, e.g. sensor lenses
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/70—Arrangements for image or video recognition or understanding using pattern recognition or machine learning
    • G06V10/762—Arrangements for image or video recognition or understanding using pattern recognition or machine learning using clustering, e.g. of similar faces in social networks
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V20/00—Scenes; Scene-specific elements
    • G06V20/60—Type of objects
    • G06V20/64—Three-dimensional objects
    • 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
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/10—Image acquisition modality
    • G06T2207/10028—Range image; Depth image; 3D point clouds
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/20—Special algorithmic details
    • G06T2207/20036—Morphological image processing
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/30—Subject of image; Context of image processing
    • G06T2207/30248—Vehicle exterior or interior

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Remote Sensing (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Electromagnetism (AREA)
  • Multimedia (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Data Mining & Analysis (AREA)
  • Artificial Intelligence (AREA)
  • Evolutionary Computation (AREA)
  • Computing Systems (AREA)
  • Databases & Information Systems (AREA)
  • Software Systems (AREA)
  • Vascular Medicine (AREA)
  • Medical Informatics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Bioinformatics & Computational Biology (AREA)
  • Evolutionary Biology (AREA)
  • General Engineering & Computer Science (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Optical Radar Systems And Details Thereof (AREA)
  • Traffic Control Systems (AREA)
SG10202002615WA 2019-03-21 2020-03-20 Laser speed measuring method, control device and laser velocimeter SG10202002615WA (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910215894.9A CN109782015A (en) 2019-03-21 2019-03-21 Laser velocimeter method, control device and laser velocimeter

Publications (1)

Publication Number Publication Date
SG10202002615WA true SG10202002615WA (en) 2020-10-29

Family

ID=66488718

Family Applications (1)

Application Number Title Priority Date Filing Date
SG10202002615WA SG10202002615WA (en) 2019-03-21 2020-03-20 Laser speed measuring method, control device and laser velocimeter

Country Status (5)

Country Link
US (1) US11573322B2 (en)
EP (1) EP3712658B1 (en)
CN (1) CN109782015A (en)
PL (1) PL3712658T3 (en)
SG (1) SG10202002615WA (en)

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CN111986472B (en) * 2019-05-22 2023-04-28 阿里巴巴集团控股有限公司 Vehicle speed determining method and vehicle
CN112327308A (en) * 2019-07-19 2021-02-05 阿里巴巴集团控股有限公司 Object detection method, device, system and equipment
CN111272215A (en) * 2020-01-10 2020-06-12 辽宁工程技术大学 Soil-water balance shield machine soil output and ground surface settlement early warning system
CN113533774B (en) * 2020-04-21 2023-08-15 中国航天科工飞航技术研究院（中国航天海鹰机电技术研究院） Wide-speed-range laser speed measurement and calibration test device and method
CN113739712B (en) * 2020-05-29 2022-06-07 同方威视技术股份有限公司 Vehicle wheel base measuring method and device and vehicle wheel base measuring instrument
CN114002687A (en) * 2020-07-14 2022-02-01 北醒（北京）光子科技有限公司 Detection method based on laser radar
CN113970752A (en) * 2020-07-22 2022-01-25 商汤集团有限公司 Target detection method and device, electronic equipment and storage medium
CN114078331B (en) * 2020-08-19 2023-02-17 北京万集科技股份有限公司 Overspeed detection method, overspeed detection device, visual sensor and storage medium
CN116880509A (en) * 2020-08-25 2023-10-13 同方威视技术股份有限公司 Guidance control method, guidance control device, security inspection vehicle, medium, and program product
CN112099002B (en) * 2020-09-18 2021-07-27 欧必翼太赫兹科技(北京)有限公司 Three-dimensional special-shaped plane aperture holographic imaging security radar optical reconstruction method
WO2022061758A1 (en) * 2020-09-25 2022-03-31 深圳市大疆创新科技有限公司 Method for estimating speed of object using point cloud radar, point cloud radar, and system
CN112731440B (en) * 2020-12-25 2023-10-13 中国铁道科学研究院集团有限公司 High-speed railway slope deformation detection method and device
CN113537141B (en) * 2021-08-03 2023-10-03 山东大学 Method and system for rapidly detecting piping and landslide diseases of dykes and dams
CN113911174B (en) * 2021-11-04 2024-04-12 北京埃福瑞科技有限公司 Speed measuring method and device for train
CN116106864A (en) * 2021-11-09 2023-05-12 深圳市速腾聚创科技有限公司 Point cloud motion compensation method and device, storage medium and laser radar
CN117635839A (en) * 2023-12-05 2024-03-01 四川省农业科学院科技保障中心 Crop information acquisition and three-dimensional image presentation method, device and system

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Also Published As

Publication number Publication date
US11573322B2 (en) 2023-02-07
EP3712658A1 (en) 2020-09-23
CN109782015A (en) 2019-05-21
EP3712658B1 (en) 2023-07-19
PL3712658T3 (en) 2024-01-29
US20200217963A1 (en) 2020-07-09

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