PT2742484T - Método para alinhamento e rastreamento de regiões de pontos em imagens com distorção radial, que produz parâmetros de modelo de movimento, calibração de distorção e variação de zoom - Google Patents

Método para alinhamento e rastreamento de regiões de pontos em imagens com distorção radial, que produz parâmetros de modelo de movimento, calibração de distorção e variação de zoom

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Publication number
PT2742484T
PT2742484T PT127725380T PT12772538T PT2742484T PT 2742484 T PT2742484 T PT 2742484T PT 127725380 T PT127725380 T PT 127725380T PT 12772538 T PT12772538 T PT 12772538T PT 2742484 T PT2742484 T PT 2742484T
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PT
Portugal
Prior art keywords
images
camera calibration
checkerboard pattern
automatic camera
automatic
Prior art date
Application number
PT127725380T
Other languages
English (en)
Inventor
Pedro De Almeida Barreto João
Falcão Paiva Fernandes Gabriel
Jorge Melo Teixeira Rui
Original Assignee
Univ De Coimbra
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Application filed by Univ De Coimbra filed Critical Univ De Coimbra
Publication of PT2742484T publication Critical patent/PT2742484T/pt

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N17/00—Diagnosis, testing or measuring for television systems or their details
    • H04N17/002—Diagnosis, testing or measuring for television systems or their details for television cameras
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/80—Analysis of captured images to determine intrinsic or extrinsic camera parameters, i.e. camera calibration
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/00002—Operational features of endoscopes
    • A61B1/00057—Operational features of endoscopes provided with means for testing or calibration
    • 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
    • G06T2207/30204—Marker
    • G06T2207/30208—Marker matrix
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/50—Constructional details
    • H04N23/555—Constructional details for picking-up images in sites, inaccessible due to their dimensions or hazardous conditions, e.g. endoscopes or borescopes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60—Control of cameras or camera modules
    • H04N23/63—Control of cameras or camera modules by using electronic viewfinders

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Image Processing (AREA)
  • Studio Devices (AREA)
  • Instruments For Viewing The Inside Of Hollow Bodies (AREA)
  • Endoscopes (AREA)
PT127725380T 2011-07-25 2012-07-25 Método para alinhamento e rastreamento de regiões de pontos em imagens com distorção radial, que produz parâmetros de modelo de movimento, calibração de distorção e variação de zoom PT2742484T (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PT10583211 2011-07-25

Publications (1)

Publication Number Publication Date
PT2742484T true PT2742484T (pt) 2017-01-02

Family

ID=47018440

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PT127725380T PT2742484T (pt) 2011-07-25 2012-07-25 Método para alinhamento e rastreamento de regiões de pontos em imagens com distorção radial, que produz parâmetros de modelo de movimento, calibração de distorção e variação de zoom

Country Status (6)

Country Link
US (1) US9438897B2 (pt)
EP (1) EP2742484B1 (pt)
JP (1) JP5989113B2 (pt)
CN (1) CN103827917B (pt)
PT (1) PT2742484T (pt)
WO (1) WO2013015699A1 (pt)

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JP2014529389A (ja) 2014-11-06
CN103827917B (zh) 2017-06-09
CN103827917A (zh) 2014-05-28
US20140285676A1 (en) 2014-09-25
EP2742484A1 (en) 2014-06-18
EP2742484B1 (en) 2016-08-31
WO2013015699A1 (en) 2013-01-31
JP5989113B2 (ja) 2016-09-07
US9438897B2 (en) 2016-09-06

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