April 2016
Intermediate to advanced
318 pages
9h 47m
English
book
Digital Geometry in Image Processing
by Jayanta Mukhopadhyay, Partha Pratim Das, Samiran Chattopadhyay, Partha Bhowmick, Biswa Nath Chatterji
Content preview from Digital Geometry in Image Processing
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194 Digital Geometry in Image Processing
(a) (b) (c)
FIGURE 6.4: (a) An object (set-square) (b) distance transform using {112},
(c) Euclidean distance transform us ing 8SED algorithm [53].
[53], which is base d on local propagation of distance values and uses a scheme
similar to chamfering. Danielsson reported this algorithm in the early eight-
ies. Subsequently, other researchers [133, 170] reported many variations and
improvements of this scheme.
In the c omputation of EDT, initially all the object points are assigned to
a large distance value and all the background points are set to zeroes. How-
ever, in the representation of Euclidean distance at ...
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