Image Processing Reference
In-Depth Information
y
x
Forward scan
(-1,-1)
(-1,0)
(0,-1)
(0,0)
(0,0)
(0,0)
(1,-1)
(1,0)
(b)
(c)
(a)
Reverse scan
(-1.1)
(-1,0)
(0,0)
(0,1)
(0,0)
(0,0)
(1,1)
(1,0)
(d)
(e)
(f)
FIGURE 6.5: Masks for Euclidean distance transform used in the 8SED
algorithm [53].
