The problem of automatic break line detection out of airborne laser scanner data has not been generally and universally solved so far. Today most approaches are semi automatic and still need some manual interaction of the user. Furthermore, all published algorithms work either on the point cloud or after rasterizing on the pixel level, although laser scanner data is very often visualised by some sort of CAD- or 3D-modelling- and rendering-programs. Therefore a break line detection algorithm was developed which can be applied on triangulated laser scanner data and which can be implemented in commercial GIS software. First the algorithm is introduced and its performance is evaluated by using computer generated laser scanning data describing different topographies. The results are discussed with regard to the detection reliability and the 3D-accuracy.


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    Title :

    Automatic break line detection out of high resolution airborne laser scanner data


    Additional title:

    Automatische Bruchlinienerkennung bei hochaufgelösten Flugzeug-Laser-Scanner-Daten


    Contributors:


    Publication date :

    2009


    Size :

    7 Seiten, 8 Bilder, 6 Quellen



    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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