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Despeckling Filter
The Despeckling Filter removes isolated
impulse noise, or "speckles", from an image by applying a 3x3
median filter to the pixels. This filter imparts a
small amount of smoothing to the image as a by-product of speckle
removal. Although despeckling can be applied to an image of any
pixel type, it is most often applied to RGB images to remove color
channel noise as in the
Merge LRGB Images command.
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The Despeckling 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.
Despeckling Filter Properties
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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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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
Working with RGB Images
Filtering Images
Median Filter
Mira Pro x64 8.83 User's Guide, Copyright Ⓒ 2026 Mirametrics, Inc.
All Rights Reserved.
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