Intelligent Crack Detection and Quantification in the Concrete Bridge: A Deep Learning-Assisted Image Processing Approach

Figure 8

The process of filtering the connected domain to eliminate the noncrack noise: (a) the original crack binary image, (b) the ideal crack binary image, (c) the actual crack binary image, and (d–f) the width-length ratio of the connected domains corresponding to (a), (b), and (c).

(a)

(b)

(c)

(d)

(e)

(f)