Adding noise to an image
You can use the Add Noise filter to add a grainy texture to an
image. Adding small amounts of noise can reduce the appearance of
minor imperfections in the original image. You can save your
options as a preset for future
use.
To add noise to an image:
-
In Edit Mode, on the Edit Panel, click
Noise, and then select the
Add Noise tab.
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Set the options as described below.
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Do one of the following:
-
Click Done to apply your changes and close
the Add Noise tool.
-
Click Cancel to discard all changes and close
the tool.
Add Noise options
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Intensity
|
Specifies the amount of noise to add to the
image. A higher intensity increases the chance that a noise pixel
will replace a pixel in the original image.
|
|
Color proximity
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Specifies the color of noise pixels to add to
the image.
A lower value gives each noise pixel a
color similar to the pixel it replaces. Higher values result in a
random selection of the noise pixel color.
|
|
Noise color
|
Select one of the following options to
specify noise pixel color:
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Random: randomly selects the color.
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Monochrome: produces black and white
noise pixels.
-
Adjustable: randomly selects the color
of each noise pixel, but more pixels match a defined color. To
define a color, click the color picker and select a color.
|
|
Noise placement
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Adds noise to image areas that closely match
a defined color. Select the Set
color check box to enable noise placement, and click the
color picker to specify a color.
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|
Random Seed
|
Indicates the random placement of noise in an
image.
When you apply the Add Noise filter to an
image, ACDSee places the noise pixels based on a random seed. This
makes the image noise different each time you apply the filter. You
can define a specific random seed to generate identical image
noise.
To generate a new random seed, click
Random Seed.
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