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Elliptical Filter
The Elliptical Filter applies an equal
weight elliptical filter to an image. The filter may have circular
symmetry or be elongated and rotated. The
Gaussian Filter is similar in these regards but uses
Gaussian weights rather than equal weights. The
Rectangle Filter is similar but has uniform weights
over a rectangle rather than an ellipse.
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The Elliptical 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.
Elliptical 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 in pixels of the elliptical
filter if circular or the width along
the major axis if the filter is elongated.
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 Circular
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Specifies whether the elliptical 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 Elliptical 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
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
Gaussian Filter
Rectangle Filter
Mira Pro x64 8.83 User's Guide, Copyright Ⓒ 2026 Mirametrics, Inc.
All Rights Reserved.
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