A HIGH-PRECISION 3D LASER MEASUREMENT METHOD BASED ON ESTIMATION OF TRUE VALUES BY HIGH-DENSITY MEASUREMENTS AND CALCULATION OF DIFFERENCES BETWEEN MEASUREMENT DATA OF TWO TIMES

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  • KAKIZAKI Ken’ichi
    Graduate School of Computer Science and Systems Engineering, Kyushu Institute of Technology
  • MUKAI Tomohisa
    Dept. of Structural Engineering, Building Research Institute
  • ARAKI Shunsuke
    Graduate School of Computer Science and Systems Engineering, Kyushu Institute of Technology

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Other Title
  • 高密度計測による計測値の真値推定とニ時期の計測データの差分算出による高精度三次元レーザー計測法

Abstract

<p>3D laser measurement has a problem that the measurement precision is not sufficient for damage analysis of buildings. In addition, when there is an unevenness in the measurement target, it is difficult to distinguish whether it is an initial shape or damage. In this paper, we propose a method to reduce the measurement error by processing the high-density laser measurement data with statistical methods. In addition, we propose a method to detect the damaged area by comparing the initial shape data of the measured object with the newly measured data.</p>

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