To provide a ground surface estimation method and a measurement area display system for estimating a ground surface with respect to an area split by an other area, and a crane.SOLUTION: The ground surface estimation method includes a second ground surface estimation step for calculating, for each non-adjacent continuous area Ja that is a continuous area not adjacent to a continuous area estimated as a ground surface F, by a data processing unit 70 that arithmetically processes point cloud data P, the average altitude value of representative point pr of grid g in the non-adjacent continuous area Ja, calculating the average altitude value of representative point pr of grid g in a prescribed range Na in the continuous area estimated as the ground surface F, and estimating the non-adjacent continuous area Ja where a difference between the average altitude value of representative point pr of grid g in the non-adjacent continuous area Ja and the average altitude value of representative point pr of grid g in the prescribed range Na of the continuous area estimated as the ground surface F is smaller than or equal to a threshold between the areas, as the ground surface F.SELECTED DRAWING: Figure 10

    【課題】他の領域によって分断されている領域について地表面の推定を行う地表面推定方法、計測領域表示システムおよびクレーンを提供する。【解決手段】点群データPを演算処理するデータ処理部70によって、地表面Fと推定された連続領域に隣接していない連続領域である非隣接連続領域Ja毎に、非隣接連続領域Jaにおけるグリッドgの代表点prの平均標高値を算出し、地表面Fと推定された連続領域の所定の範囲Naにおけるグリッドgの代表点prの平均標高値を算出し、非隣接連続領域Jaにおけるグリッドgの代表点prの平均標高値と地表面Fと推定された連続領域の所定の範囲Naにおけるグリッドgの代表点prの平均標高値との差が領域間の閾値以下である非隣接連続領域Jaを地表面Fと推定する第二地表面推定工程を備える。【選択図】図10


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    Title :

    GROUND SURFACE ESTIMATION METHOD, MEASUREMENT AREA DISPLAY SYSTEM, AND CRANE


    Additional title:

    地表面推定方法、計測領域表示システムおよびクレーン


    Contributors:

    Publication date :

    2020-06-18


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    G01C Messen von Entfernungen, Höhen, Neigungen oder Richtungen , MEASURING DISTANCES, LEVELS OR BEARINGS / B66C Krane , CRANES



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