A Comparison Study of Edge Line Estimation Algorithms for Dimensional Quality Assessment of Precast Concrete Slabs

<div>Selection of input parameters of the DBSCAN algorithm for extraction of scan points of the top surface of the PC element. (a) Definitions of the “MinPts” and “Eps” and (b) extraction results with different values of “MinPts” and “Eps”.</div>

Advances in Civil Engineering

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Figure 9

Figure 9: A Comparison Study of Edge Line Estimation Algorithms for Dimensional Quality Assessment of Precast Concrete Slabs 