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Gaussian Filter
The Gaussian Filter applies a
Gaussian-weighted filter to an image. The filter may have circular
symmetry or be elongated and rotated. The
Elliptical Filter is similar in these regards but
uses uniform weights rather than Gaussian weights.
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The Gaussian 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.
Gaussian 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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Sigma
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Specifies the width of the Gaussian filter in
terms of the Gaussian sigma. For example, Sigma=3 creates a filter width sigma value equal
to 3.0.
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 Symmetric
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Specifies whether the Gaussian filter is
circularly symmetric. If checked, then a circular filter kernel is
created with Elongation equal to
0.
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Elong %
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Specifies the percent elongation of the filter.
This property applies only if Symmetric is unchecked.
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Angle
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Specifies the angle in degrees of the major axis
of the Gaussian kernel. This property applies only if Symmetric is unchecked.
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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 and
Max 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
Binomial Filter
Elliptical Filter
Mira Pro x64 8.83 User's Guide, Copyright Ⓒ 2026 Mirametrics, Inc.
All Rights Reserved.
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