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Digital Picture Processing, 2nd Edition
book

Digital Picture Processing, 2nd Edition

by Azriel Rosenfeld, Avinash C. Kak
January 2014
Intermediate to advanced content levelIntermediate to advanced
435 pages
18h 42m
English
Morgan Kaufmann
Content preview from Digital Picture Processing, 2nd Edition
276 7 Restoration
approximately constant, then the denominator in (15) is essentially constant,
so that (15) determines
H(u,v)
up to a multiplicative constant. More realisti-
cally, if we write
In Fi(u,v) = \n\Fi(u,v)\ + φ&,ν)
where φ^ϋ,ν) is the phase of F
t
(w,
*;),
then it may be reasonable to assume
that the average of the φ/s is approximately constant, but we still need to
know something about the average of ln|F;(w, v)\ in order to obtain H(u
y
v)
from (15). The reader is referred to [14, 59, 68, 95] for ways to approximate
the average of In F^u, v\ and also for techniques that specifically estimate
either the phase of the original image
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Publisher Resources

ISBN: 9780323139915