Metaheuristic Optimized Edge Detection for Recognition of Concrete Wall Cracks: A Comparative Study on the Performances of Roberts, Prewitt, Canny, and Sobel Algorithms

Figure 8

Optimizing result of MO-EDCR that employs (a) the Roberts algorithm, (b) the Prewitt algorithm, (c) the Sobel algorithm, and (d) the Canny algorithm.

(a)

(b)

(c)

(d)