Table 13.

Co-occurrence Statistics of Surveyed Publications: Segmentation Method versus Axes of Digital Data

	X-Y-T	X-Y-Z	X-Y-Z-T
Thresholding	19	13	2
Watershed	9	5	1
Region growing	2	0	0
Active contours + Level Set	11	9	4
Other	7	2	0
Graph-based	1	0	1
Partial Derivative Equations (PDE)	0	1	1
Morphological	1	1	0