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    Calibration of Line-Scan Cameras

    TítuloCalibration of Line-Scan Cameras
    Tipo de publicaciónJournal Article
    Año de publicación2010
    AutoresLuna, CA, Mazo, M, Lazaro, JL, Vazquez, JF
    Idioma de publicaciónEnglish
    Revista académicaIEEE Transactions on Instrumentation and Measurement
    Volumen59
    Número8
    Páginas2185 - 2190
    Fecha de publicación07/2010
    EditorialIEEE Instrumentation and Measurement Society
    Rank in category17/56
    JCR CategoryInstruments & Instrumentation
    JCR Impact Factor5.468
    ISSN0018-9456
    URLhttp://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=5286844&tag=1
    DOI10.1109/TIM.2009.2031344
    Resumen

    This paper presents a novel method for calibrating line-scan cameras using a calibration pattern comprising two parallel planes with lines that can be described using known equations. Using pattern geometry and a line that is captured by a line-scan camera, we calculate the 3-D coordinates of the points corresponding to the straight lines of a pattern that is captured by the line-scan camera. These coordinates are used to obtain the intrinsic and extrinsic parameters of the line scan using a standard calibration procedure that is based on a recursive least squares method. In this paper, the procedure of calibration and the results obtained for a specific line scan will be shown; specifically, the obtained median residual error is 0.28 pixel. Also, the repetitiveness of the calibration process was verified for a sequence of 500 times.

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