BR112012026769A2 - aparelho de calibragem, sistema de medição de distância, método de calibragem e programa de calibragem - Google Patents

aparelho de calibragem, sistema de medição de distância, método de calibragem e programa de calibragem

Info

Publication number
BR112012026769A2
BR112012026769A2 BR112012026769A BR112012026769A BR112012026769A2 BR 112012026769 A2 BR112012026769 A2 BR 112012026769A2 BR 112012026769 A BR112012026769 A BR 112012026769A BR 112012026769 A BR112012026769 A BR 112012026769A BR 112012026769 A2 BR112012026769 A2 BR 112012026769A2
Authority
BR
Brazil
Prior art keywords
calibration
parallax
reference images
feature points
images
Prior art date
Application number
BR112012026769A
Other languages
English (en)
Other versions
BR112012026769A8 (pt
BR112012026769B1 (pt
Inventor
Shin Aoki
Original Assignee
Ricoh Comapny 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 Ricoh Comapny Ltd filed Critical Ricoh Comapny Ltd
Publication of BR112012026769A2 publication Critical patent/BR112012026769A2/pt
Publication of BR112012026769A8 publication Critical patent/BR112012026769A8/pt
Publication of BR112012026769B1 publication Critical patent/BR112012026769B1/pt

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01CMEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C3/00Measuring distances in line of sight; Optical rangefinders
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00Image analysis
    • G06T7/80Analysis of captured images to determine intrinsic or extrinsic camera parameters, i.e. camera calibration
    • G06T7/85Stereo camera calibration
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00Measuring arrangements characterised by the use of optical techniques
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00Measuring arrangements characterised by the use of optical techniques
    • G01B11/02Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
    • G01B11/026Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness by measuring distance between sensor and object
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01CMEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C25/00Manufacturing, calibrating, cleaning, or repairing instruments or devices referred to in the other groups of this subclass
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01CMEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C3/00Measuring distances in line of sight; Optical rangefinders
    • G01C3/02Details
    • G01C3/06Use of electric means to obtain final indication
    • G01C3/08Use of electric radiation detectors
    • G01C3/085Use of electric radiation detectors with electronic parallax measurement
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01CMEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C3/00Measuring distances in line of sight; Optical rangefinders
    • G01C3/10Measuring distances in line of sight; Optical rangefinders using a parallactic triangle with variable angles and a base of fixed length in the observation station, e.g. in the instrument
    • G01C3/14Measuring distances in line of sight; Optical rangefinders using a parallactic triangle with variable angles and a base of fixed length in the observation station, e.g. in the instrument with binocular observation at a single point, e.g. stereoscopic type
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T1/00General purpose image data processing
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00Image analysis
    • G06T7/50Depth or shape recovery
    • G06T7/55Depth or shape recovery from multiple images
    • G06T7/593Depth or shape recovery from multiple images from stereo images
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00Indexing scheme for image analysis or image enhancement
    • G06T2207/10Image acquisition modality
    • G06T2207/10016Video; Image sequence
    • G06T2207/10021Stereoscopic video; Stereoscopic image sequence
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00Indexing scheme for image analysis or image enhancement
    • G06T2207/30Subject of image; Context of image processing
    • G06T2207/30248Vehicle exterior or interior
    • G06T2207/30252Vehicle exterior; Vicinity of vehicle
    • GPHYSICS
    • G08SIGNALLING
    • G08GTRAFFIC CONTROL SYSTEMS
    • G08G1/00Traffic control systems for road vehicles
    • G08G1/16Anti-collision systems
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N17/00Diagnosis, testing or measuring for television systems or their details
    • H04N17/002Diagnosis, testing or measuring for television systems or their details for television cameras

Abstract

aparelho de calibragem, sistema de medição de distância, método de calibragem e programa de calibragem. um aparelho de calibragem revelado é configurado para receber entradas de duas imagens de referência e vários itens de dados de paralaxe, essas duas imagens de referência sendo capturadas por um dos dispositivos de imageamento em dois locais, e os dados de paralaxe sendo calculados utilizando essas duas imagens de referência e duas imagens correspondentes com base em posições de vários pontos de características comuns à imagem de referência e a imagem correspondente para cada par dos mesmos em uma base de local, duas imagens correspondentes sendo capturados por outro dos dispositivos de imageamento nesses dois locais; procurar vários pontos de característica comuns a essas duas imagens de referência; calcular paralaxes e quantidades de alteração de paralaxe, com base nos dados de paralaxe relacionados aos pontos de características respectivos nessas duas imagens de referências, para cada dos pontos de característica procurado; e calcular um valor de correção para o parâmetro com base nos paralaxes calculados e quantidades de alteração de paralaxe.
BR112012026769-8A 2010-09-13 2011-08-25 aparelho de calibragem, sistema de medição de distância, método de calibragem e programa de calibragem BR112012026769B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2010-204328 2010-09-13
JP2010204328A JP5440461B2 (ja) 2010-09-13 2010-09-13 校正装置、距離計測システム、校正方法および校正プログラム
PCT/JP2011/069854 WO2012035983A1 (en) 2010-09-13 2011-08-25 A calibration apparatus, a distance measurement system, a calibration method and a calibration program

Publications (3)

Publication Number Publication Date
BR112012026769A2 true BR112012026769A2 (pt) 2016-07-12
BR112012026769A8 BR112012026769A8 (pt) 2020-06-23
BR112012026769B1 BR112012026769B1 (pt) 2020-11-03

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
BR112012026769-8A BR112012026769B1 (pt) 2010-09-13 2011-08-25 aparelho de calibragem, sistema de medição de distância, método de calibragem e programa de calibragem

Country Status (8)

Country Link
US (1) US9299153B2 (pt)
EP (1) EP2616768B1 (pt)
JP (1) JP5440461B2 (pt)
KR (1) KR101411668B1 (pt)
CN (1) CN102612634B (pt)
BR (1) BR112012026769B1 (pt)
RU (1) RU2529594C1 (pt)
WO (1) WO2012035983A1 (pt)

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Also Published As

Publication number Publication date
EP2616768A1 (en) 2013-07-24
BR112012026769A8 (pt) 2020-06-23
WO2012035983A1 (en) 2012-03-22
RU2529594C1 (ru) 2014-09-27
CN102612634A (zh) 2012-07-25
EP2616768A4 (en) 2017-04-19
JP2012058188A (ja) 2012-03-22
BR112012026769B1 (pt) 2020-11-03
US20120224069A1 (en) 2012-09-06
KR20120079144A (ko) 2012-07-11
CN102612634B (zh) 2014-07-23
KR101411668B1 (ko) 2014-06-25
JP5440461B2 (ja) 2014-03-12
EP2616768B1 (en) 2020-03-25
US9299153B2 (en) 2016-03-29

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