Automatic Road Pavement Assessment with Image Processing: Review and Comparison

Table 3

The classification of existing methods for crack detection (or detection of thin objects in textured images) into five different families. For each family, the hypotheses used by the methods of the family are specified.

Histogram (H𝑝1, H𝑝2)	Learning (H𝑝1, H𝑝2)	Morphology (H𝑝1, H𝑔1)	Filtering (H𝑝1, H𝑔1−𝑔3)	Model-based (H𝑝1, H𝑔1−𝑔3, H𝑝𝑔1)
[7, 9, 11, 12, 14, 20, 22, 30–32, 35, 57–62]	[8, 10, 13, 21, 39–42, 63–65]	[15, 23, 33, 34, 36, 37, 66–69]	[17, 25–28, 38, 43, 44, 46–54, 70, 71]	[16, 24, 45, 55, 56, 72, 73]