Multivariate Self-Dual Morphological Operators Based on Extremum Constraint

Table 1

The popular vector orderings corresponding to filters.

Vector orderings	Filters	Reference
VSH (value-saturation-hue)	,	[7]
DLSH (distance-luminance-saturation-hue)	,	[8]
a-TLO (lexicographical ordering based on -trimmed, luminance-saturation-hue)	,	[9]
LOQD (lexicographical ordering based on quaternion decomposition)	,	[11]