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When a deviation value is specified, the brightness range within the specified deviation
value is expanded to the full brightness range of the display (0 to 255). The brightness
range outside of the specified deviation value is displayed in black (0) or white (255).
This function does not influence measurement data.
Nu
mb
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r
o
f
p
ixe
ls
255
White
(Brightness)
Specified
deviation
Average Average
Nu
mb
e
r
o
f
p
ixe
ls
Nu
mb
e
r
o
f
p
ixe
ls
Normalize
S.D
0
Black
255
White
(Brightness)
0
Black
255
White
(Brightness)
0
Black
6.6.6 Median
Electric spot noise (spike noise) on an image is eliminated.
In this function, the data of the center pixel and the surrounding 4 or 8 pixels are selected,
and the value of the center pixel is replaced with the middle value of the selected 5 or 9
pixels. This function is called Median filter.
Median5 Median9
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The Median filter can eliminate spike-shaped electric noise in an image.
Original image
Processed image
Click on Process in the main menu; then select Median 5 or Median 9 in the
pull-down menu.
The function is immediately executed.
TMPM5200-2
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