|
Set Region Value
The Set Region Value command changes the
pixel values inside or outside a rectangular region of interest
(ROI). Pixels in the target region are assigned a value plus or
minus Gaussian random noise. The region may be explicitly specified
or may be defined by the
image cursor. The noise value may be set to 0
to assign a constant value..
The related
Set Pixel Value command sets single pixels to a
target value. The
Edit Pixel Values command allows you to view or edit
a region of pixels using a tabular listing format.
-
The Set Region Value command opens from
the Image Window > Process >
Region 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.
|
Set Region Value Properties
|
|
Profile [|>]
|
Selects the parameter profile for this command and
allows you to save or work with existing presets.
|
|
[Select]
|
Opens the
Select Source Images dialog to choose images from an
image window, folder, files, name template, or a Mira File
List.
|
|
Region Value
|
Specifies the value assigned to the region.
|
|
Region Noise
|
Specifies the sigma value for Gaussian random
noise assigned to the region.
|
|
Source Region
|
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.
|
|
Include Region
|
Click this button to include the rectangular
region when setting the specified value and noise.
|
|
Exclude Region
|
Click this button to exclude the rectangular
region when setting the specified value and noise. Only pixels
outside the rectangle are changed.
|
Example
The first two pictures below show the effect of
applies the properties in the dialog above. Before setting the
replacement values, the image cursor and image statistics were used
to sample the median and standard deviation in a nearby blank
region.
The example below shows the difference between
selecting include region and
exclude region on the same image. In
both examples, the assigned value is 200 and the noise is 8
(1-sigma).
Related Topics
Image Region Commands
Set Pixel Value
Edit Pixel Values
Mira Pro x64 User's Guide, Copyright Ⓒ 2023 Mirametrics, Inc. All
Rights Reserved.
|
