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Minimum Filter
The Minimum Filter is a type of
Rank Filter that replaces pixel values with the 0-th
percentile ranked, or minimum, value identified in the local
neighborhood. Use this filter to remove values above the local
statistical "floor". In comparison, the
Maximum Filter selects the 100th percentile, or
maximum, value in the neighborhood.
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The Minimum Filter command opens from the
Image Window > Process >
Filters menu and  button
on the Main Toolbar. The "immediate"
form, shown first, opens when an image or image set is displayed in
the top-most window. The general form can be used to select source
images from folders, windows, or by matching templates.
Minimum Filter
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Profile [|>]
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Selects the parameter profile for this command and
allows you to save or work with existing presets.
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[Select]
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Opens the
Select Source Images dialog to choose images
from an image window, folder, files, name template, or a Mira File
List.
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Width
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Specifies the width of the minimum filter
neighborhood in terms of pixels along the horizontal (row)
direction.
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Height
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Specifies the height of the minimum filter
neighborhood in terms of pixels along the vertical (column)
direction.
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Source Region
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Specifies the rectangular region to be processed.
The options are as follows:
Entire image: The
entire image is processed.
Image Cursor: The
region to be processed is selected using the Image Cursor.
Rectangle: The
region specified by Min
andMax limits for Column and Row
coordinates is processed.
Column and Row, Min and
Max: When Rectangle is
selected, these values specify the column and row limits to be
processed.
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Related Topics
Filtering Images
Median Filter
Rank Filter
Maximum Filter
Mira Pro x64 8.83 User's Guide, Copyright Ⓒ 2026 Mirametrics, Inc.
All Rights Reserved.
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