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...Image
Processing Fundamentals
↑
before
after ↑
↑
before
after ↑
↑
before
after
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Figure
64: Local
contrast stretching.
Using
standard test images (as we
have seen in so many
examples) illustrates
the
power
of this local morphological
filtering approach.
11.
Acknowledgments
This
work was partially supported
by the Netherlands Organization
for Scientific
Research
(NWO) Grant 900-538-040, the
Foundation for Technical
Sciences
(STW)
Project 2987, the ASCI
PostDoc program, and the Rolling
Grants program
of
the Foundation for
Fundamental Research in Matter (FOM).
Images presented
above
were processed using
TCLImage and
SCILImage (both
from the TNO-
TPD,
Stieltjesweg 1, Delft, The
Netherlands) and Adobe
PhotoshopTM.
12.
References
Dudgeon,
D.E. and R.M. Mersereau,
Multidimensional
Digital Signal
1.
Processing
. 1984, Englewood
Cliffs, New Jersey:
Prentice-Hall.
Castleman,
K.R., Digital
Image Processing . Second
ed. 1996, Englewood
2.
Cliffs,
New Jersey:
Prentice-Hall.
Oppenheim,
A.V., A.S. Willsky, and I.T.
Young, Systems
and Signals.
1983,
3.
Englewood
Cliffs, New Jersey:
Prentice-Hall.
Papoulis,
A., Systems
and Transforms with Applications in
Optics. 1968,
New
4.
York:
McGraw-Hill.
Russ,
J.C., The
Image Processing Handbook.
Second ed. 1995, Boca
Raton,
5.
Florida:
CRC Press.
Giardina,
C.R. and E.R. Dougherty,
Morphological
Methods in Image and
6.
Signal
Processing.
1988, Englewood Cliffs, New Jersey:
PrenticeHall. 321.
108
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