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Microscope Image Processing
book

Microscope Image Processing

by Qiang Wu, Fatima Merchant, Kenneth Castleman
July 2010
Intermediate to advanced
576 pages
17h 29m
English
Academic Press
Content preview from Microscope Image Processing
12.5.2 Correction Using the Recorded Image
In the first approach, the recorded digital image cm, n½is used to estimate the
background shading pattern. Three different methods can be used to estimate
the shading pattern. In the first, low-pass filtering is applied to smooth cm, n
½
,
where the smoothing effect is larger than the size of objects in the image.
The choice of the low-pass filter requires that the spatial frequencies where
the shading persists be known. The corrected image,
^
am, n½, is then estimated
as follows [19]
^
am, n½¼cm, n½LowPass cm, n½
fg
þ constant (12:11)
Second, instead of low-pass filtering cm, n½, smoothing can be performed by
using morphological filtering (Chapter 8). Morphological filtering is used when
the background variation ...
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Publisher Resources

ISBN: 9780080558547