A Survey of Dental Caries Segmentation and Detection Techniques

Table 1

Related works grouped by various categories and methods.

Category	Method	Related works
Region-based	Region growing approach	[37, 38]
Threshold-based	Histogram-based threshold	[2, 6, 39–47, 65]
Cluster-based	Fuzzy C-means	[49, 50]
Boundary-based	Active contours, level set method	[51–55]
Watershed-based	Watershed	[56, 57]