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

Figure 15

Edge line estimation accuracy on shear pocket and outer boundary using simulated scan points and experimental scan points: (a) Discrepancies of shear pocket in experimental scan points; (b) discrepancies of shear pocket in simulated scan points; (c) discrepancies of outer boundary in experimental scan points; (d) discrepancies of outer boundary discrepancies in simulated scan points.

(a)

(b)

(c)

(d)