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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
7.3
Least Squares Filtering
281
for some w
0
. Of course, w
0
should be chosen so as to exclude the zeros of
H(u, v) from the neighborhood. An example of restoration done in this way
is shown in Figs. 4a-4e. The neighborhood used in Fig. 4e is small enough to
avoid the zeros of H(u, v), so that the restoration is fairly good. When a larger
neighborhood is used, the results become very poor, as shown in Fig. 4f.
7.3
LEAST SQUARES
FILTERING
One way to avoid arbitrariness in inverse filtering is to find a restoration
f(x,y) of the picture f(x, y) that minimizes some measure of the difference
between f(x, y) and f(x, y). If the restored pictures ar ...
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Publisher Resources

ISBN: 9780323139915