Table 2.

Horizontal transition matrix with neighboring pixels $i$ and $j$ where $a_d,\dots ,f_d$ are the learned probabilities of transition see Sec. 2.3. The symmetric, nonzero values ensure that transitions in both ways are equally possible.

	${\text{Label}}_i$	${\text{Label}}_j$
		Epidermis	Uncertain	Dermis
$H_d=$	Epidermis	$a_d$	$b_d$	$c_d$
	Uncertain	$b_d$	$d_d$	$e_d$
	Dermis	$c_d$	$e_d$	$f_d$