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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
8.2.5 Area Opening and Closing
Another common criterion for selection of connected components is area. This
is achieved by an area opening, which removes all connected components C
i
with
area less than a specified value a:
A (a)
E
¼
[
{C
i
, area(C
i
) $ a}(8:12)
E denotes the connectivity used. Figure 8.23e shows how the area opening can
behave as a filter to remove small artifacts from the image in Fig. 8.23d and
select only the large objects (epithelial cells) having area greater than 1000 pixels.
The next demonstration targets cytogenetic images of human metaphase cells.
This is a classical application of area opening. The task is to preprocess the imag
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Publisher Resources

ISBN: 9780080558547