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For every pixel of the image, this filter holds the channel with the
maximal/minimal intensity. The result is an image with only three
colors, red, green and blue, and possibly pure gray.
8.37.2.
Activate the filter
This filter is found in the image window menu under
→ .
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Preview
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This preview displays, in real time, the resulting image after
treatment by filter.
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Parameter Settings
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Hold the maximal channels: For every pixel,
the filter keeps intensity of the RGB color channel which has
the maximal intensity and reduces other both to zero. For
example: 220, 158, 175 max--> 220, 0, 0. If two channels have
same intensity, both are held: 210, 54, 210 max--> 210, 0, 210.
Hold the minimal channels: For every pixel,
the filter keeps intensity of the RGB color channel which has
the minimal intensity and reduce both others to zero. For
example: 220, 158, 175 min--> 0, 158, 0. If two minimal
channels have same intensity, both are held: 210, 54, 54
min--> 0, 54, 54.
Grey levels are not changed since light intensity is the same in
all three channels.
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