Medical Image Visual Appearance Improvement Using Bihistogram Bezier Curve Contrast Enhancement: Data from the Osteoarthritis Initiative

Table 6

Categorization of contrast enhancement methods into homogenous subset using the Duncan test for AMBE.

Method	𝑁	Subset for alpha = 0.05
		1	2	3	4	5
RMSHE	20	14.02
BBCCE	20	14.82
RSIHE	20		17.40
BBHE	20			27.35
DSIHE	20				35.80
THE	20					77.39
Sig.		0.35	1.00	1.00	1.00	1.00

Means for groups in homogeneous subsets are displayed.
Harmonic Mean Sample Size = 20.000.