OPERATION IN EXPERT MODE
LSM 510
DuoScan
Carl Zeiss
Process Menu
LSM 510 META
DuoScan
4-138
B 45-0021 e
03/06
(3) Sharpness
filter
With the sharpness filter, the original image is
filtered with a lowpass filter first. The result of this
filtering is then subtracted from the original image.
This will improve image sharpness.
The matrix size can be modified in the 3 preset
steps.
Furthermore, divisor values ranging from
1
to
78
can be entered. The higher the divisor value, the
lower the image sharpness.
(4) Median
filter
With the median filter, the gray value of each
center pixel is replaced with the median value of
the surrounding neighbor pixels. The viewed
neighbor pixels are defined by a square. The
modified pixel now is the center pixel of the filter
matrix.
The median value is defined as the middle value
(not average) of all the gray values sorted in
ascending order within a matrix.
Image noise will be reduced by the application of
the median filter. The cutoff of regions will slightly
blur. Local maxima will be flattened. The dynamic
range will be reduced considerably.
The settings of this filter can not be modified.
Fig. 4-120
Filter List and Edit panel (Sharpness)
Fig. 4-121
Filter List and Edit panel (Median)
Содержание LSM 510
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Страница 442: ...Programming for LSM LSM 510 DuoScan Carl Zeiss Events LSM 510 META DuoScan 5 18 B 45 0021 e 03 06...
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