Automatic Recognition of Asphalt Pavement Cracks Based on Image Processing and Machine Learning Approaches: A Comparative Study on Classifier Performance

Figure 3

Projection integral of pavement images: (a) alligator crack, (b) diagonal crack, (c) longitudinal crack, (d) transverse crack, and (e) noncrack.

(a)

(b)

(c)

(d)

(e)